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San Diego International Airport to Seattle-Tacoma International Airport flight

Explore the cheapest one-way and round-trip flights from San Diego International Airport to Seattle-Tacoma International Airport over the next 90 days, with one-way fares from BRL 357 and round-trip from BRL 440. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SAN 1:53 PM
        3h 7m
        Nonstop
        SEA 5:00 PM
        San Diego - Seattle | Sat, Oct 10 | Delta Air Lines
        SEA 7:15 AM
        2h 52m
        Nonstop
        SAN 10:07 AM
        Seattle - San Diego | Mon, Oct 12 | Delta Air Lines
        BRL 440 BRL 3,150
        86% off
        86% off
        BRL 3,150 BRL 440
      • SAN 7:27 PM
        3h 6m
        Nonstop
        SEA 10:33 PM
        San Diego - Seattle | Wed, Oct 21 | Alaska Airlines
        SEA 7:04 AM
        3h 2m
        Nonstop
        SAN 10:06 AM
        Seattle - San Diego | Wed, Oct 28 | Alaska Airlines
        BRL 454 BRL 3,150
        86% off
        86% off
        BRL 3,150 BRL 454
      • SAN 11:30 AM
        3h 9m
        Nonstop
        SEA 2:39 PM
        San Diego - Seattle | Fri, Oct 2 | Alaska Airlines
        SEA 8:49 AM
        3h 1m
        Nonstop
        SAN 11:50 AM
        Seattle - San Diego | Mon, Oct 5 | Alaska Airlines
        BRL 457 BRL 3,150
        85% off
        85% off
        BRL 3,150 BRL 457
      • SAN 7:27 PM
        3h 6m
        Nonstop
        SEA 10:33 PM
        San Diego - Seattle | Sun, Oct 4 | Alaska Airlines
        SEA 8:49 AM
        3h 1m
        Nonstop
        SAN 11:50 AM
        Seattle - San Diego | Mon, Oct 5 | Alaska Airlines
        BRL 458
        85% off
        BRL 3,150 BRL 458
      • SAN 9:20 AM
        3h 8m
        Nonstop
        SEA 12:28 PM
        San Diego - Seattle | Sat, Oct 17 | Alaska Airlines
        SEA 9:08 PM
        2h 51m
        Nonstop
        SAN 11:59 PM
        Seattle - San Diego | Mon, Oct 19 | Alaska Airlines
        BRL 458
        85% off
        BRL 3,150 BRL 458
      • SAN 5:20 PM
        3h 6m
        Nonstop
        SEA 8:26 PM
        San Diego - Seattle | Thu, Oct 22 | Alaska Airlines
        SEA 7:04 AM
        3h 2m
        Nonstop
        SAN 10:06 AM
        Seattle - San Diego | Thu, Oct 29 | Alaska Airlines
        BRL 463
        85% off
        BRL 3,150 BRL 463
      • SAN 6:27 PM
        3h 6m
        Nonstop
        SEA 9:33 PM
        San Diego - Seattle | Sun, Oct 18 | Alaska Airlines
        SEA 8:49 AM
        3h 1m
        Nonstop
        SAN 11:50 AM
        Seattle - San Diego | Sun, Oct 25 | Alaska Airlines
        BRL 464
        85% off
        BRL 3,150 BRL 464
      • SAN 7:45 PM
        3h 12m
        Nonstop
        SEA 10:57 PM
        San Diego - Seattle | Sat, Nov 7 | Alaska Airlines
        SEA 11:43 AM
        3h 4m
        Nonstop
        SAN 2:47 PM
        Seattle - San Diego | Wed, Nov 11 | Alaska Airlines
        BRL 467
        85% off
        BRL 3,150 BRL 467
      • SAN 11:02 AM
        3h 16m
        Nonstop
        SEA 2:18 PM
        San Diego - Seattle | Sun, Nov 1 | Delta Air Lines
        SEA 7:15 AM
        2h 52m
        Nonstop
        SAN 10:07 AM
        Seattle - San Diego | Wed, Nov 4 | Delta Air Lines
        BRL 468
        85% off
        BRL 3,150 BRL 468
      • SAN 7:45 AM
        3h 13m
        Nonstop
        SEA 10:58 AM
        San Diego - Seattle | Wed, Oct 28 | Delta Air Lines
        SEA 7:15 AM
        2h 52m
        Nonstop
        SAN 10:07 AM
        Seattle - San Diego | Mon, Nov 2 | Delta Air Lines
        BRL 468
        85% off
        BRL 3,150 BRL 468
      • SAN 6:47 PM
        3h 13m
        Nonstop
        SEA 10:00 PM
        San Diego - Seattle | Tue, Nov 10 | Delta Air Lines
        SEA 7:15 AM
        2h 52m
        Nonstop
        SAN 10:07 AM
        Seattle - San Diego | Sun, Nov 15 | Delta Air Lines
        BRL 468
        85% off
        BRL 3,150 BRL 468
      • SAN 7:45 AM
        3h 13m
        Nonstop
        SEA 10:58 AM
        San Diego - Seattle | Fri, Oct 9 | Delta Air Lines
        SEA 7:15 AM
        2h 52m
        Nonstop
        SAN 10:07 AM
        Seattle - San Diego | Mon, Oct 12 | Delta Air Lines
        BRL 2,236
        28% off
        BRL 3,150 BRL 2,236
      • SAN 1:00 PM
        17h 25m
        1 stop
        SEA 2:00 PM
        San Diego - Seattle | Sat, Sep 26 | Normal Airline
        SEA 3:00 PM
        6h
        Nonstop
        SAN 4:00 PM
        Seattle - San Diego | Mon, Sep 28 | Normal Airline
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      • Cheapest nonstop
        SAN 6:22 PM
        3h 7m
        Nonstop
        SEA 9:29 PM
        San Diego - Seattle | Thu, Nov 5 | Alaska Airlines
        BRL 382 BRL 562
        32% off
        32% off
        BRL 562 BRL 382
      • SAN 6:27 PM
        3h 6m
        Nonstop
        SEA 9:33 PM
        San Diego - Seattle | Sun, Nov 1 | Alaska Airlines
        BRL 383 BRL 562
        32% off
        32% off
        BRL 562 BRL 383
      • SAN 7:27 PM
        3h 6m
        Nonstop
        SEA 10:33 PM
        San Diego - Seattle | Sat, Oct 31 | Alaska Airlines
        BRL 383 BRL 562
        32% off
        32% off
        BRL 562 BRL 383
      • SAN 7:27 PM
        3h 6m
        Nonstop
        SEA 10:33 PM
        San Diego - Seattle | Thu, Oct 15 | Alaska Airlines
        BRL 387
        31% off
        BRL 562 BRL 387
      • SAN 8:28 PM
        3h 9m
        Nonstop
        SEA 11:37 PM
        San Diego - Seattle | Fri, Oct 23 | Alaska Airlines
        BRL 394
        30% off
        BRL 562 BRL 394
      • SAN 6:57 PM
        3h 8m
        Nonstop
        SEA 10:05 PM
        San Diego - Seattle | Fri, Oct 23 | Delta Air Lines
        BRL 398
        28% off
        BRL 562 BRL 398
      • SAN 3:59 PM
        3h 6m
        Nonstop
        SEA 7:05 PM
        San Diego - Seattle | Thu, Nov 5 | Delta Air Lines
        BRL 399
        28% off
        BRL 562 BRL 399
      • SAN 8:11 PM
        12h 24m
        1 stop
        SEA 8:35 AM
        San Diego - Seattle | Sun, Nov 22 | Frontier Airlines
        BRL 357
        36% off
        BRL 562 BRL 357
      • SAN 6:25 AM
        8h 47m
        1 stop
        SEA 3:12 PM
        San Diego - Seattle | Thu, Nov 5 | Frontier Airlines
        BRL 365
        35% off
        BRL 562 BRL 365
      • SAN 6:25 AM
        8h 47m
        1 stop
        SEA 3:12 PM
        San Diego - Seattle | Sun, Nov 1 | Frontier Airlines
        BRL 368
        35% off
        BRL 562 BRL 368
      • SAN 1:00 PM
        17h 25m
        1 stop
        SEA 2:00 PM
        San Diego - Seattle | Sat, Sep 26 | Normal Airline
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Flight fares from San Diego International Airport to Seattle-Tacoma International Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest data.

Trip.com Price Insights: Flights from San Diego International Airport to Seattle-Tacoma International Airport

Which month has the lowest one-way flight price from San Diego International Airport to Seattle-Tacoma International Airport?

The data is based on the average one-way flight prices on Trip.com for flights from San Diego International 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 San Diego International Airport to Seattle-Tacoma International Airport, the best time to book is in September, with an average price of BRL 678. Try to avoid March, when prices are highest, averaging around BRL 1,416.

BRL 1,416
BRL 1,047
BRL 678
BRL 309
  • BRL 678
    Sep
  • BRL 1,104
    Oct
  • BRL 1,124
    Nov
  • BRL 1,187
    Dec
  • BRL 1,000
    Jan
  • BRL 1,054
    Feb
  • BRL 1,416
    Mar
  • BRL 912
    Apr
  • BRL 1,149
    May
  • BRL 1,248
    Jun
  • BRL 1,389
    Jul
  • BRL 1,162
    Aug

Which month is the cheapest for round-trip flights from San Diego International Airport to Seattle-Tacoma International Airport?

The data is based on the average round-trip flight prices on Trip.com for flights from San Diego International Airport to Seattle-Tacoma International Airport across different months over the past 12 months.

Based on Trip.com data from the past 12 months, April is usually the cheapest month to find flights from San Diego International Airport to Seattle-Tacoma International Airport, with an average price of BRL 911. In contrast, November is typically the most expensive month, with average prices reaching BRL 2,388.

BRL 2,388
BRL 1,650
BRL 911
BRL 173
    Cheapest
  • BRL 1,156
    Sep
  • BRL 1,476
    Oct
  • BRL 2,388
    Nov
  • BRL 1,812
    Dec
  • BRL 1,221
    Jan
  • BRL 1,421
    Feb
  • BRL 2,262
    Mar
  • BRL 911
    Apr
  • BRL 1,272
    May
  • BRL 1,498
    Jun
  • BRL 1,400
    Jul
  • BRL 1,828
    Aug

What is the cheapest day of the week to fly from San Diego International Airport to Seattle-Tacoma International Airport?

The data is based on the average flight prices on Trip.com from San Diego International 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 San Diego International Airport to Seattle-Tacoma International Airport is usually Wednesday, with average fares typically lower than other days. Try to avoid departing on Sunday, as prices are usually the highest on that day.

BRL 1,557
BRL 1,261
BRL 965
BRL 669
    Cheapest
  • BRL 1,016
    Mon
  • BRL 966
    Tue
  • BRL 965
    Wed
  • BRL 1,130
    Thu
  • BRL 1,304
    Fri
  • BRL 1,109
    Sat
  • BRL 1,557
    Sun

Which airline offers the cheapest flights from San Diego International Airport to Seattle-Tacoma International Airport?

The cheapest airline flying from San Diego International Airport to Seattle-Tacoma International Airport is Frontier Airlines (from BRL 357) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From BRL 357
Alaska Airlines
From BRL 382
Delta Air Lines
From BRL 398
American Airlines
From BRL 410
United Airlines
From BRL 652
Hahn Air
From BRL 676

Find more flights and airlines

What is the flight schedule from San Diego International Airport to Seattle-Tacoma International Airport?

Check the schedule for flights from San Diego to Seattle and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS1373

    San Diego International Airport

    7:27 PM

    SAN

    3h 6m

    10:33 PM

    SEA

    S M T W T F S
    Search

  2. DL2572

    San Diego International Airport

    4:23 PM

    SAN

    2h 57m

    7:20 PM

    SEA

    S M T W T F S
    Search

  3. AS574

    San Diego International Airport

    6:22 PM

    SAN

    3h 7m

    9:29 PM

    SEA

    S M T W T F S
    Search

  4. DL2613

    San Diego International Airport

    6:54 PM

    SAN

    3h 11m

    10:05 PM

    SEA

    S M T W T - S
    Search

  5. F92818

    San Diego International Airport

    6:30 AM

    SAN

    2h 36m

    Nonstop

    10:06 AM

    DEN

    S M T W T F S
    Search

  6. F91175

    Denver International Airport

    1:07 PM

    DEN

    3h 5m

    Nonstop

    3:12 PM

    SEA

    S M T W T F S

  7. F91326

    San Diego International Airport

    6:22 PM

    SAN

    1h 43m

    Nonstop

    8:05 PM

    LAS

    S - - W T - S
    Search

  8. F92407

    Harry Reid International Airport

    10:03 AM

    LAS

    2h 59m

    Nonstop

    1:02 PM

    SEA

    S M T W T F S

  9. F91326

    San Diego International Airport

    6:22 PM

    SAN

    1h 43m

    Nonstop

    8:05 PM

    LAS

    S - - W T - S
    Search

  10. F94203

    Harry Reid International Airport

    4:39 PM

    LAS

    3h 1m

    Nonstop

    7:40 PM

    SEA

    S - - - T - -

  11. F94990

    San Diego International Airport

    4:53 PM

    SAN

    2h 31m

    Nonstop

    8:24 PM

    DEN

    S M T W T F S
    Search

  12. F91175

    Denver International Airport

    1:07 PM

    DEN

    3h 5m

    Nonstop

    3:12 PM

    SEA

    S M T W T F S
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About San Diego International Airport and Seattle-Tacoma International Airport

Learn about San Diego International Airport (SAN) and Seattle-Tacoma International Airport (SEA) — including location, terminals, transportation, and travel tips.

Flight distance 1,693.46 km
Cheapest one-way ticket price BRL 357
Cheapest return ticket price BRL 440

FAQs for San Diego International Airport to Seattle-Tacoma International Airport Flights

  • How long is the flight from San Diego International Airport to Seattle-Tacoma International Airport?

    San Diego International Airport to Seattle-Tacoma International Airport takes about 2 hours 34 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 8 daily flights from San Diego International Airport (SAN) to Seattle-Tacoma International Airport (SEA).
  • The earliest flight from San Diego International Airport to Seattle-Tacoma International Airport departs at 06:15, and the last departs at 20:20, with about 21 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from San Diego International Airport (SAN) to Seattle-Tacoma International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around BRL 1,724 in September, 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 2518 flights per month.
  • One-way flights from San Diego International Airport to Seattle-Tacoma International Airport currently start from BRL 357, and round-trip fares start from BRL 440. The current lowest fare is a Frontier Airlines flight departing on Sun, Nov 22; prices may vary depending on availability.
  • Yes. Alaska Airlines, Delta Air Lines and United Airlines operate direct flights from San Diego International Airport to Seattle-Tacoma International Airport, with an average flight time of 2 hours 35 minutes, and around 112 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 San Diego International Airport to Seattle-Tacoma International Airport is BRL 931. Prices may vary depending on the departure date, airline, and availability.
  • Condor and WestJet are the most popular budget airlines flying from San Diego International Airport to Seattle-Tacoma International Airport, with one-way fares starting from BRL 357. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • San Diego International Airport to Seattle-Tacoma International Airport operates around 111 weekly flights, mainly by Alaska Airlines and Delta Air Lines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter San Diego International 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.

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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.