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Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport flight

Explore the cheapest one-way and round-trip flights from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport over the next 90 days, with one-way fares from PHP 9,243 and round-trip from PHP 15,255. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      DCA 7:00 AM
      11h 43m
      1 stop
      SEA 3:43 PM
      Washington D.C. - Seattle | Wed, Dec 9 | Frontier Airlines
      PHP 9,243 PHP 12,465
      26% off
      26% off
      PHP 12,465 PHP 9,243
    • Cheapest
      DCA 1:45 PM
      8h 57m
      1 stop
      SEA 7:42 PM
      Washington D.C. - Seattle | Sat, Dec 12 | American Airlines
      PHP 9,243 PHP 12,465
      26% off
      26% off
      PHP 12,465 PHP 9,243
    • DCA 7:00 AM
      11h 12m
      1 stop
      SEA 3:12 PM
      Washington D.C. - Seattle | Tue, Nov 10 | Frontier Airlines
      PHP 9,310 PHP 12,465
      25% off
      25% off
      PHP 12,465 PHP 9,310
    • DCA 6:00 PM
      24h 12m
      1 stop
      SEA 3:12 PM
      Washington D.C. - Seattle | Sat, Nov 21 | Frontier Airlines
      PHP 9,339
      25% off
      PHP 12,465 PHP 9,339
    • DCA 7:00 AM
      11h 43m
      1 stop
      SEA 3:43 PM
      Washington D.C. - Seattle | Wed, Dec 16 | Frontier Airlines
      PHP 9,387
      25% off
      PHP 12,465 PHP 9,387
    • DCA 1:40 PM
      29h 3m
      1 stop
      SEA 3:43 PM
      Washington D.C. - Seattle | Mon, Dec 14 | Frontier Airlines
      PHP 9,387
      25% off
      PHP 12,465 PHP 9,387
    • DCA 6:00 PM
      24h 43m
      1 stop
      SEA 3:43 PM
      Washington D.C. - Seattle | Thu, Dec 10 | Frontier Airlines
      PHP 9,435
      24% off
      PHP 12,465 PHP 9,435
    • DCA 4:25 PM
      6h 21m
      Nonstop
      SEA 7:46 PM
      Washington D.C. - Seattle | Sat, Dec 19 | Delta Air Lines
      PHP 9,684
      22% off
      PHP 12,465 PHP 9,684
    • DCA 7:00 AM
      11h 12m
      1 stop
      SEA 3:12 PM
      Washington D.C. - Seattle | Fri, Nov 13 | Frontier Airlines
      PHP 9,885
      21% off
      PHP 12,465 PHP 9,885
    • WAS 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      Washington D.C. - Seattle | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      DCA 4:25 PM
      6h 21m
      Nonstop
      SEA 7:46 PM
      Washington D.C. - Seattle | Sat, Dec 5 | Delta Air Lines
      SEA 7:20 AM
      4h 47m
      Nonstop
      DCA 3:07 PM
      Seattle - Washington D.C. | Mon, Dec 7 | Delta Air Lines
      PHP 15,255 PHP 25,021
      39% off
      39% off
      PHP 25,021 PHP 15,255
    • DCA 4:45 PM
      5h 50m
      Nonstop
      SEA 7:35 PM
      Washington D.C. - Seattle | Wed, Oct 28 | Delta Air Lines
      SEA 7:20 AM
      5h 3m
      Nonstop
      DCA 3:23 PM
      Seattle - Washington D.C. | Sat, Oct 31 | Delta Air Lines
      PHP 17,795 PHP 25,021
      28% off
      28% off
      PHP 25,021 PHP 17,795
    • DCA 4:45 PM
      5h 50m
      Nonstop
      SEA 7:35 PM
      Washington D.C. - Seattle | Sun, Nov 1 | Delta Air Lines
      SEA 11:58 AM
      5h 8m
      Nonstop
      IAD 8:06 PM
      Seattle - Washington D.C. | Fri, Nov 6 | Delta Air Lines
      PHP 19,099 PHP 25,021
      24% off
      24% off
      PHP 25,021 PHP 19,099
    • DCA 4:50 PM
      6h 22m
      Nonstop
      SEA 8:12 PM
      Washington D.C. - Seattle | Fri, Dec 25 | Delta Air Lines
      SEA 7:55 AM
      4h 45m
      Nonstop
      DCA 3:40 PM
      Seattle - Washington D.C. | Thu, Dec 31 | Delta Air Lines
      PHP 19,224
      23% off
      PHP 25,021 PHP 19,224
    • DCA 8:00 AM
      5h 55m
      Nonstop
      SEA 10:55 AM
      Washington D.C. - Seattle | Tue, Nov 10 | Alaska Airlines
      SEA 9:49 PM
      4h 55m
      Nonstop
      IAD 5:44 AM
      Seattle - Washington D.C. | Fri, Nov 13 | Alaska Airlines
      PHP 19,866
      21% off
      PHP 25,021 PHP 19,866
    • DCA 4:25 PM
      6h 2m
      Nonstop
      SEA 7:27 PM
      Washington D.C. - Seattle | Tue, Nov 10 | Delta Air Lines
      SEA 9:49 PM
      4h 55m
      Nonstop
      IAD 5:44 AM
      Seattle - Washington D.C. | Fri, Nov 13 | Alaska Airlines
      PHP 20,317
      19% off
      PHP 25,021 PHP 20,317
    • DCA 8:00 AM
      5h 55m
      Nonstop
      SEA 10:55 AM
      Washington D.C. - Seattle | Sat, Dec 5 | Alaska Airlines
      SEA 3:59 PM
      5h
      Nonstop
      IAD 11:59 PM
      Seattle - Washington D.C. | Mon, Dec 7 | Alaska Airlines
      PHP 20,499
      18% off
      PHP 25,021 PHP 20,499
    • DCA 2:54 PM
      8h 25m
      1 stop
      SEA 8:19 PM
      Washington D.C. - Seattle | Sat, Dec 5 | American Airlines
      SEA 10:29 AM
      7h 29m
      1 stop
      DCA 8:58 PM
      Seattle - Washington D.C. | Mon, Dec 7 | American Airlines
      PHP 16,501
      34% off
      PHP 25,021 PHP 16,501
    • DCA 6:30 PM
      9h 10m
      1 stop
      SEA 12:40 AM
      Washington D.C. - Seattle | Sun, Nov 1 | Hahn Air
      SEA 12:15 AM
      12h
      1 stop
      DCA 3:15 PM
      Seattle - Washington D.C. | Fri, Nov 6 |
      PHP 17,747
      28% off
      PHP 25,021 PHP 17,747
    • WAS 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      Washington D.C. - Seattle | Wed, Oct 28 | Normal Airline
      SEA 3:00 PM
      6h
      Nonstop
      WAS 4:00 PM
      Seattle - Washington D.C. | Fri, Oct 30 | Normal Airline
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    • Cheapest nonstop
      DCA 4:25 PM
      6h 21m
      Nonstop
      SEA 7:46 PM
      Washington D.C. - Seattle | Sat, Dec 19 | Delta Air Lines
      PHP 9,684 PHP 12,465
      22% off
      22% off
      PHP 12,465 PHP 9,684
    • DCA 4:25 PM
      6h 2m
      Nonstop
      SEA 7:27 PM
      Washington D.C. - Seattle | Wed, Nov 25 | Delta Air Lines
      PHP 10,451 PHP 12,465
      16% off
      16% off
      PHP 12,465 PHP 10,451
    • DCA 4:50 PM
      6h 22m
      Nonstop
      SEA 8:12 PM
      Washington D.C. - Seattle | Wed, Dec 30 | Delta Air Lines
      PHP 11,199 PHP 36,354
      69% off
      69% off
      PHP 36,354 PHP 11,199
    • DCA 8:00 AM
      6h 3m
      Nonstop
      SEA 11:03 AM
      Washington D.C. - Seattle | Wed, Jan 6 | Alaska Airlines
      PHP 13,001
      64% off
      PHP 36,354 PHP 13,001
    • DCA 8:00 AM
      6h 17m
      Nonstop
      SEA 11:17 AM
      Washington D.C. - Seattle | Sat, Dec 5 | Alaska Airlines
      PHP 13,097
      64% off
      PHP 36,354 PHP 13,097
    • DCA 5:05 PM
      6h 17m
      Nonstop
      SEA 8:22 PM
      Washington D.C. - Seattle | Wed, Dec 9 | Alaska Airlines
      PHP 13,222
      64% off
      PHP 36,354 PHP 13,222
    • DCA 5:11 PM
      6h 2m
      Nonstop
      SEA 8:13 PM
      Washington D.C. - Seattle | Sat, Nov 14 | Alaska Airlines
      PHP 13,366
      63% off
      PHP 36,354 PHP 13,366
    • DCA 8:00 AM
      5h 59m
      Nonstop
      SEA 10:59 AM
      Washington D.C. - Seattle | Wed, Oct 28 | Alaska Airlines
      PHP 13,395
      63% off
      PHP 36,354 PHP 13,395
    • DCA 4:50 PM
      6h 22m
      Nonstop
      SEA 8:12 PM
      Washington D.C. - Seattle | Fri, Dec 25 | Delta Air Lines
      PHP 14,641
      60% off
      PHP 36,354 PHP 14,641
    • WAS 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      Washington D.C. - Seattle | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      DCA 4:50 PM
      6h 22m
      Nonstop
      SEA 8:12 PM
      Washington D.C. - Seattle | Wed, Dec 30 | Delta Air Lines
      PHP 11,199 PHP 36,354
      69% off
      69% off
      PHP 36,354 PHP 11,199
    • DCA 8:00 AM
      6h 3m
      Nonstop
      SEA 11:03 AM
      Washington D.C. - Seattle | Wed, Jan 6 | Alaska Airlines
      PHP 13,001 PHP 36,354
      64% off
      64% off
      PHP 36,354 PHP 13,001
    • DCA 8:00 AM
      6h 17m
      Nonstop
      SEA 11:17 AM
      Washington D.C. - Seattle | Sat, Dec 5 | Alaska Airlines
      PHP 13,097 PHP 36,354
      64% off
      64% off
      PHP 36,354 PHP 13,097
    • DCA 5:05 PM
      6h 17m
      Nonstop
      SEA 8:22 PM
      Washington D.C. - Seattle | Wed, Dec 9 | Alaska Airlines
      PHP 13,222
      64% off
      PHP 36,354 PHP 13,222
    • DCA 5:11 PM
      6h 2m
      Nonstop
      SEA 8:13 PM
      Washington D.C. - Seattle | Sat, Nov 14 | Alaska Airlines
      PHP 13,366
      63% off
      PHP 36,354 PHP 13,366
    • DCA 8:00 AM
      5h 59m
      Nonstop
      SEA 10:59 AM
      Washington D.C. - Seattle | Wed, Oct 28 | Alaska Airlines
      PHP 13,395
      63% off
      PHP 36,354 PHP 13,395
    • DCA 4:50 PM
      6h 22m
      Nonstop
      SEA 8:12 PM
      Washington D.C. - Seattle | Fri, Dec 25 | Delta Air Lines
      PHP 14,641
      60% off
      PHP 36,354 PHP 14,641
    • DCA 4:25 PM
      6h 20m
      Nonstop
      SEA 7:45 PM
      Washington D.C. - Seattle | Sat, Dec 12 | Delta Air Lines
      PHP 15,350
      57% off
      PHP 36,354 PHP 15,350
    • DCA 4:25 PM
      6h 2m
      Nonstop
      SEA 7:27 PM
      Washington D.C. - Seattle | Wed, Nov 25 | Delta Air Lines
      PHP 17,258
      53% off
      PHP 36,354 PHP 17,258
    • WAS 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      Washington D.C. - Seattle | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      DCA 8:00 AM
      5h 59m
      Nonstop
      SEA 10:59 AM
      Washington D.C. - Seattle | Wed, Oct 28 | Alaska Airlines
      PHP 13,395 PHP 36,789
      64% off
      64% off
      PHP 36,789 PHP 13,395
    • DCA 5:00 PM
      5h 55m
      Nonstop
      SEA 7:55 PM
      Washington D.C. - Seattle | Tue, Oct 27 | Alaska Airlines
      PHP 13,807 PHP 36,789
      62% off
      62% off
      PHP 36,789 PHP 13,807
    • DCA 4:45 PM
      5h 50m
      Nonstop
      SEA 7:35 PM
      Washington D.C. - Seattle | Tue, Oct 27 | Delta Air Lines
      PHP 15,945 PHP 36,789
      56% off
      56% off
      PHP 36,789 PHP 15,945
    • DCA 5:00 PM
      5h 55m
      Nonstop
      SEA 7:55 PM
      Washington D.C. - Seattle | Sat, Oct 31 | Alaska Airlines
      PHP 30,279
      18% off
      PHP 36,789 PHP 30,279
    • DCA 8:00 AM
      5h 59m
      Nonstop
      SEA 10:59 AM
      Washington D.C. - Seattle | Fri, Oct 30 | Alaska Airlines
      PHP 30,537
      17% off
      PHP 36,789 PHP 30,537
    • DCA 8:39 AM
      8h 41m
      1 stop
      SEA 2:20 PM
      Washington D.C. - Seattle | Sun, Nov 1 | American Airlines
      PHP 14,027
      62% off
      PHP 36,789 PHP 14,027
    • DCA 2:52 PM
      8h 23m
      1 stop
      SEA 8:15 PM
      Washington D.C. - Seattle | Wed, Oct 28 | American Airlines
      PHP 14,430
      61% off
      PHP 36,789 PHP 14,430
    • DCA 2:52 PM
      8h 23m
      1 stop
      SEA 8:15 PM
      Washington D.C. - Seattle | Tue, Oct 27 | American Airlines
      PHP 14,660
      60% off
      PHP 36,789 PHP 14,660
    • DCA 2:52 PM
      8h 23m
      1 stop
      SEA 8:15 PM
      Washington D.C. - Seattle | Fri, Oct 30 | American Airlines
      PHP 30,902
      16% off
      PHP 36,789 PHP 30,902
    • WAS 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      Washington D.C. - Seattle | Wed, Oct 28 | Normal Airline
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    • DCA 4:45 PM
      5h 50m
      Nonstop
      SEA 7:35 PM
      Washington D.C. - Seattle | Sat, Nov 7 | Delta Air Lines
      PHP 15,312 PHP 39,356
      61% off
      61% off
      PHP 39,356 PHP 15,312
    • DCA 4:45 PM
      5h 50m
      Nonstop
      SEA 7:35 PM
      Washington D.C. - Seattle | Mon, Nov 2 | Delta Air Lines
      PHP 15,945 PHP 39,356
      59% off
      59% off
      PHP 39,356 PHP 15,945
    • DCA 4:45 PM
      5h 50m
      Nonstop
      SEA 7:35 PM
      Washington D.C. - Seattle | Thu, Nov 5 | Delta Air Lines
      PHP 17,575 PHP 39,356
      55% off
      55% off
      PHP 39,356 PHP 17,575
    • DCA 4:45 PM
      5h 50m
      Nonstop
      SEA 7:35 PM
      Washington D.C. - Seattle | Fri, Nov 6 | Delta Air Lines
      PHP 18,169
      54% off
      PHP 39,356 PHP 18,169
    • DCA 4:45 PM
      5h 50m
      Nonstop
      SEA 7:35 PM
      Washington D.C. - Seattle | Sun, Nov 1 | Delta Air Lines
      PHP 26,549
      33% off
      PHP 39,356 PHP 26,549
    • DCA 4:45 PM
      5h 50m
      Nonstop
      SEA 7:35 PM
      Washington D.C. - Seattle | Tue, Nov 3 | Delta Air Lines
      PHP 31,036
      21% off
      PHP 39,356 PHP 31,036
    • DCA 4:45 PM
      5h 50m
      Nonstop
      SEA 7:35 PM
      Washington D.C. - Seattle | Fri, Oct 30 | Delta Air Lines
      PHP 32,062
      19% off
      PHP 39,356 PHP 32,062
    • DCA 4:45 PM
      5h 50m
      Nonstop
      SEA 7:35 PM
      Washington D.C. - Seattle | Sun, Nov 8 | Delta Air Lines
      PHP 33,059
      16% off
      PHP 39,356 PHP 33,059
    • DCA 5:00 PM
      5h 55m
      Nonstop
      SEA 7:55 PM
      Washington D.C. - Seattle | Sat, Oct 31 | Alaska Airlines
      PHP 30,279
      17% off
      PHP 36,354 PHP 30,279
    • WAS 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      Washington D.C. - Seattle | Wed, Oct 28 | Normal Airline
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Displayed flight fares from Washington D.C. to Seattle are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport

Which month has the lowest one-way flight price from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport?

The data is based on the average one-way flight prices on Trip.com for flights from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport across different months over the past 12 months.

Based on Trip.com data from the past 12 months, if you’re looking for low one-way flight fares from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport, the best time to book is in February, with an average price of PHP 4,334. Try to avoid November, when prices are highest, averaging around PHP 27,300.

PHP 27,300
PHP 15,817
PHP 4,334
0
  • PHP 4,334
    Feb
  • PHP 18,447
    Mar
  • PHP 17,230
    Apr
  • PHP 21,397
    May
  • PHP 17,699
    Jun
  • PHP 20,866
    Jul
  • PHP 24,916
    Aug
  • PHP 20,661
    Sep
  • PHP 19,531
    Oct
  • PHP 27,300
    Nov
  • PHP 16,357
    Dec
  • PHP 9,104
    Jan

What is the cheapest day of the week to fly from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport?

The data is based on the average flight prices on Trip.com from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport across different days of the week over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to depart from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport is usually Saturday, with average fares typically lower than other days. Try to avoid departing on Thursday, as prices are usually the highest on that day.

PHP 24,465
PHP 17,226
PHP 9,986
PHP 2,747
    Cheapest
  • PHP 19,739
    Mon
  • PHP 21,915
    Tue
  • PHP 20,195
    Wed
  • PHP 24,465
    Thu
  • PHP 19,411
    Fri
  • PHP 9,986
    Sat
  • PHP 15,326
    Sun

Which airline offers the cheapest flights from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport?

The cheapest airline flying from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport is American Airlines (from PHP 9,243) among 7 carriers operating this route. Based on Trip.com's latest 7-day flight data.

American Airlines
From PHP 9,243
Frontier Airlines
From PHP 9,243
Delta Air Lines
From PHP 9,684
Alaska Airlines
From PHP 12,100
Hahn Air
From PHP 13,433
United Airlines
From PHP 13,682
Jetblue Airways
From PHP 41,956

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What is the flight schedule from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport?

Check the schedule for flights from Washington D.C. to Seattle and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL2869

    Ronald Reagan Washington National Airport

    6:00 AM

    DCA

    1h 48m

    Nonstop

    7:48 AM

    DTW

    S M T W T F S
    Search

  2. DL734

    Detroit Metropolitan Wayne County Airport

    8:25 AM

    DTW

    5h 17m

    Nonstop

    10:42 AM

    SEA

    S M T W T F S

  3. AS009

    Ronald Reagan Washington National Airport

    5:08 PM

    DCA

    5h 50m

    Nonstop

    7:58 PM

    PDX

    S M T W T F S
    Search

  4. AS2254

    Portland International Airport

    5:38 PM

    PDX

    1h 2m

    Nonstop

    6:40 PM

    SEA

    S - - - - - S

  5. AA795

    Ronald Reagan Washington National Airport

    2:59 PM

    DCA

    1h 46m

    Nonstop

    4:45 PM

    CLT

    S - - - - - S
    Search

  6. AA3252

    Charlotte Douglas International Airport

    2:08 PM

    CLT

    5h 55m

    Nonstop

    5:03 PM

    SEA

    S - - - - - S

  7. AS015

    Ronald Reagan Washington National Airport

    10:59 AM

    DCA

    5h 24m

    Nonstop

    1:23 PM

    SAN

    S M T W T F S
    Search

  8. AS622

    San Diego International Airport

    2:48 PM

    SAN

    3h 7m

    Nonstop

    5:55 PM

    SEA

    S - - W T - S

  9. F9685

    Ronald Reagan Washington National Airport

    7:00 AM

    DCA

    4h 16m

    Nonstop

    9:16 AM

    DEN

    S M T W T F S
    Search

  10. F91175

    Denver International Airport

    1:07 PM

    DEN

    3h 5m

    Nonstop

    3:12 PM

    SEA

    S - T - T F -

  11. AS015

    Ronald Reagan Washington National Airport

    10:59 AM

    DCA

    5h 24m

    Nonstop

    1:23 PM

    SAN

    S M T W T F S
    Search

  12. AS735

    San Diego International Airport

    5:00 PM

    SAN

    3h 2m

    Nonstop

    8:02 PM

    SEA

    S - - - - - S

  13. F9689

    Ronald Reagan Washington National Airport

    6:00 PM

    DCA

    4h 10m

    Nonstop

    8:10 PM

    DEN

    S M - W T F S
    Search

  14. F91175

    Denver International Airport

    1:07 PM

    DEN

    3h 5m

    Nonstop

    3:12 PM

    SEA

    S - T - T F -

  15. F9687

    Ronald Reagan Washington National Airport

    1:00 PM

    DCA

    4h 9m

    Nonstop

    3:09 PM

    DEN

    S - T W T F S
    Search

  16. F91175

    Denver International Airport

    1:07 PM

    DEN

    3h 5m

    Nonstop

    3:12 PM

    SEA

    S - T - T F -
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About Ronald Reagan Washington National Airport and Seattle-Tacoma International Airport

Learn about Ronald Reagan Washington National Airport (DCA) and Seattle-Tacoma International Airport (SEA) — including location, terminals, transportation, and travel tips.

Flight distance 3,741.3 km
Cheapest one-way ticket price PHP 9,243
Cheapest return ticket price PHP 15,255

FAQs for Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport Flights

  • How long is the flight from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport?

    Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport takes about 5 hours 17 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 2 daily flights from Ronald Reagan Washington National Airport (DCA) to Seattle-Tacoma International Airport (SEA).
  • The earliest flight from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport departs at 08:00, and the last departs at 17:00, with about 3 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Ronald Reagan Washington National Airport (DCA) to Seattle-Tacoma International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around PHP 39,023 in October, the most expensive month to book this route.
    • The distance from Seattle-Tacoma International Airport to downtown is about 17 km. It takes about 30 minutes by taxi.
  • Delta Air Lines is a very popular airline operating an average of 755 flights per month.
  • One-way flights from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport currently start from PHP 9,243, and round-trip fares start from PHP 15,255. The current lowest fare is a Frontier Airlines flight departing on Wed, Dec 9; prices may vary depending on availability.
  • Yes. Alaska Airlines and Delta Air Lines operate direct flights from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport, with an average flight time of 5 hours 14 minutes, and around 21 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport is PHP 18,887. Prices may vary depending on the departure date, airline, and availability.
  • Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport operates around 21 weekly flights, mainly by Alaska Airlines and Delta Air Lines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Ronald Reagan Washington National Airport and Seattle-Tacoma International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

Note: Prices shown on this page are the lowest estimated prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before payment. Charges for checked baggage, onboard meals, Wi-Fi, and other optional services may also appear in the flight cards where applicable.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and for many routes the data may refresh in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.