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San Francisco International Airport to Seattle-Tacoma International Airport flight

Explore the cheapest one-way and round-trip flights from San Francisco International Airport to Seattle-Tacoma International Airport over the next 90 days, with one-way fares from €52 and round-trip from €79. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      SFO 9:56 PM
      11h 49m
      1 stop
      SEA 9:45 AM
      San Francisco - Seattle | Tue, Dec 8 | Frontier Airlines
      €52 €87
      40% off
      40% off
      €87 €52
    • SFO 10:38 AM
      2h 19m
      Nonstop
      SEA 12:57 PM
      San Francisco - Seattle | Thu, Nov 19 | Delta Air Lines
      €55 €87
      37% off
      37% off
      €87 €55
    • SFO 8:58 PM
      2h 15m
      Nonstop
      SEA 11:13 PM
      San Francisco - Seattle | Mon, Nov 16 | Alaska Airlines
      €55 €87
      37% off
      37% off
      €87 €55
    • SFO 8:59 PM
      2h 27m
      Nonstop
      SEA 11:26 PM
      San Francisco - Seattle | Mon, Nov 16 | Delta Air Lines
      €56
      36% off
      €87 €56
    • SFO 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Thu, Dec 17 | Delta Air Lines
      €58
      33% off
      €87 €58
    • SFO 6:05 AM
      2h 15m
      Nonstop
      SEA 8:20 AM
      San Francisco - Seattle | Mon, Jan 4 | Delta Air Lines
      €58
      84% off
      €360 €58
    • SFO 7:00 AM
      2h 16m
      Nonstop
      SEA 9:16 AM
      San Francisco - Seattle | Thu, Dec 10 | Alaska Airlines
      €60
      31% off
      €87 €60
    • SFO 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Thu, Dec 10 | Delta Air Lines
      €61
      30% off
      €87 €61
    • SFO 6:10 AM
      2h 23m
      Nonstop
      SEA 8:33 AM
      San Francisco - Seattle | Fri, Dec 25 | Delta Air Lines
      €61
      30% off
      €87 €61
    • SFO 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      San Francisco - Seattle | Thu, Oct 29 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      SFO 8:15 AM
      2h 13m
      Nonstop
      SEA 10:28 AM
      San Francisco - Seattle | Sun, Dec 6 | Alaska Airlines
      SEA 9:40 PM
      2h 19m
      Nonstop
      SFO 11:59 PM
      Seattle - San Francisco | Tue, Dec 8 | Alaska Airlines
      €79 €143
      45% off
      45% off
      €143 €79
    • SFO 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Sun, Dec 6 | Delta Air Lines
      SEA 3:45 PM
      2h 12m
      Nonstop
      SFO 5:57 PM
      Seattle - San Francisco | Tue, Dec 8 | Alaska Airlines
      €82 €143
      43% off
      43% off
      €143 €82
    • SFO 10:39 AM
      2h 17m
      Nonstop
      SEA 12:56 PM
      San Francisco - Seattle | Wed, Nov 18 | Alaska Airlines
      SEA 8:35 PM
      2h 11m
      Nonstop
      SFO 10:46 PM
      Seattle - San Francisco | Mon, Nov 23 | Alaska Airlines
      €114 €143
      20% off
      20% off
      €143 €114
    • SFO 8:33 AM
      2h 19m
      Nonstop
      SEA 10:52 AM
      San Francisco - Seattle | Mon, Nov 16 | Alaska Airlines
      SEA 8:35 PM
      2h 11m
      Nonstop
      SFO 10:46 PM
      Seattle - San Francisco | Mon, Nov 23 | Alaska Airlines
      €114
      20% off
      €143 €114
    • SFO 6:00 AM
      2h 16m
      Nonstop
      SEA 8:16 AM
      San Francisco - Seattle | Thu, Dec 10 | Alaska Airlines
      SEA 6:40 PM
      2h 12m
      Nonstop
      SFO 8:52 PM
      Seattle - San Francisco | Mon, Dec 14 | Alaska Airlines
      €114
      20% off
      €143 €114
    • SFO 6:00 AM
      2h 16m
      Nonstop
      SEA 8:16 AM
      San Francisco - Seattle | Mon, Dec 14 | Alaska Airlines
      SEA 6:13 PM
      2h 20m
      Nonstop
      SFO 8:33 PM
      Seattle - San Francisco | Mon, Dec 21 | Alaska Airlines
      €114
      20% off
      €143 €114
    • SFO 6:48 PM
      2h 15m
      Nonstop
      SEA 9:03 PM
      San Francisco - Seattle | Tue, Nov 17 | Alaska Airlines
      SEA 8:35 PM
      2h 11m
      Nonstop
      SFO 10:46 PM
      Seattle - San Francisco | Sat, Nov 21 | Alaska Airlines
      €114
      20% off
      €143 €114
    • SFO 6:00 AM
      2h 16m
      Nonstop
      SEA 8:16 AM
      San Francisco - Seattle | Tue, Dec 8 | Alaska Airlines
      SEA 6:40 PM
      2h 12m
      Nonstop
      SFO 8:52 PM
      Seattle - San Francisco | Tue, Dec 15 | Alaska Airlines
      €114
      20% off
      €143 €114
    • SFO 3:58 PM
      2h 15m
      Nonstop
      SEA 6:13 PM
      San Francisco - Seattle | Wed, Dec 9 | Alaska Airlines
      SEA 1:36 PM
      2h 11m
      Nonstop
      SFO 3:47 PM
      Seattle - San Francisco | Sat, Dec 12 | Alaska Airlines
      €114
      20% off
      €143 €114
    • SFO 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      San Francisco - Seattle | Thu, Oct 29 | Normal Airline
      SEA 3:00 PM
      6h
      Nonstop
      SFO 4:00 PM
      Seattle - San Francisco | Sat, Oct 31 | Normal Airline
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    • Cheapest nonstop
      SFO 6:05 AM
      2h 15m
      Nonstop
      SEA 8:20 AM
      San Francisco - Seattle | Mon, Jan 4 | Delta Air Lines
      €58 €360
      84% off
      84% off
      €360 €58
    • SFO 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Thu, Dec 10 | Delta Air Lines
      €61 €360
      83% off
      83% off
      €360 €61
    • SFO 7:00 AM
      2h 16m
      Nonstop
      SEA 9:16 AM
      San Francisco - Seattle | Wed, Dec 9 | Alaska Airlines
      €69 €360
      81% off
      81% off
      €360 €69
    • SFO 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Tue, Dec 8 | Delta Air Lines
      €77
      79% off
      €360 €77
    • SFO 5:56 PM
      2h 28m
      Nonstop
      SEA 8:24 PM
      San Francisco - Seattle | Mon, Dec 7 | Delta Air Lines
      €85
      76% off
      €360 €85
    • SFO 8:59 PM
      2h 27m
      Nonstop
      SEA 11:26 PM
      San Francisco - Seattle | Tue, Nov 10 | Delta Air Lines
      €88
      76% off
      €360 €88
    • SFO 8:33 AM
      2h 19m
      Nonstop
      SEA 10:52 AM
      San Francisco - Seattle | Mon, Nov 16 | Alaska Airlines
      €98
      73% off
      €360 €98
    • SFO 6:05 AM
      2h 15m
      Nonstop
      SEA 8:20 AM
      San Francisco - Seattle | Fri, Jan 15 | Delta Air Lines
      €101
      72% off
      €360 €101
    • SFO 2:12 PM
      2h 18m
      Nonstop
      SEA 4:30 PM
      San Francisco - Seattle | Wed, Nov 18 | Delta Air Lines
      €117
      68% off
      €360 €117
    • SFO 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      San Francisco - Seattle | Thu, Oct 29 | Normal Airline
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    • Cheapest nonstop
      SFO 10:38 AM
      2h 19m
      Nonstop
      SEA 12:57 PM
      San Francisco - Seattle | Thu, Nov 19 | Delta Air Lines
      €55 €87
      37% off
      37% off
      €87 €55
    • SFO 8:58 PM
      2h 15m
      Nonstop
      SEA 11:13 PM
      San Francisco - Seattle | Mon, Nov 16 | Alaska Airlines
      €55 €87
      37% off
      37% off
      €87 €55
    • SFO 8:59 PM
      2h 27m
      Nonstop
      SEA 11:26 PM
      San Francisco - Seattle | Mon, Nov 16 | Delta Air Lines
      €56 €87
      36% off
      36% off
      €87 €56
    • SFO 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Thu, Dec 17 | Delta Air Lines
      €58
      33% off
      €87 €58
    • SFO 6:05 AM
      2h 15m
      Nonstop
      SEA 8:20 AM
      San Francisco - Seattle | Mon, Jan 4 | Delta Air Lines
      €58
      84% off
      €360 €58
    • SFO 7:00 AM
      2h 16m
      Nonstop
      SEA 9:16 AM
      San Francisco - Seattle | Thu, Dec 10 | Alaska Airlines
      €60
      31% off
      €87 €60
    • SFO 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Thu, Dec 10 | Delta Air Lines
      €61
      30% off
      €87 €61
    • SFO 6:10 AM
      2h 23m
      Nonstop
      SEA 8:33 AM
      San Francisco - Seattle | Fri, Dec 25 | Delta Air Lines
      €61
      30% off
      €87 €61
    • SFO 4:21 PM
      2h 12m
      Nonstop
      SEA 6:33 PM
      San Francisco - Seattle | Wed, Oct 28 | Alaska Airlines
      €64
      26% off
      €87 €64
    • SFO 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      San Francisco - Seattle | Thu, Oct 29 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      SFO 4:21 PM
      2h 12m
      Nonstop
      SEA 6:33 PM
      San Francisco - Seattle | Wed, Oct 28 | Alaska Airlines
      €64 €435
      85% off
      85% off
      €435 €64
    • SFO 8:33 AM
      2h 19m
      Nonstop
      SEA 10:52 AM
      San Francisco - Seattle | Mon, Nov 2 | Alaska Airlines
      €69 €435
      84% off
      84% off
      €435 €69
    • SFO 5:45 PM
      2h 19m
      Nonstop
      SEA 8:04 PM
      San Francisco - Seattle | Mon, Nov 2 | Delta Air Lines
      €209 €435
      52% off
      52% off
      €435 €209
    • SFO 10:39 AM
      2h 17m
      Nonstop
      SEA 12:56 PM
      San Francisco - Seattle | Sun, Nov 1 | Alaska Airlines
      €276
      37% off
      €435 €276
    • SFO 8:33 AM
      2h 19m
      Nonstop
      SEA 10:52 AM
      San Francisco - Seattle | Tue, Nov 3 | Alaska Airlines
      €277
      36% off
      €435 €277
    • SFO 6:20 AM
      2h 21m
      Nonstop
      SEA 8:41 AM
      San Francisco - Seattle | Fri, Oct 30 | Delta Air Lines
      €281
      35% off
      €435 €281
    • SFO 2:15 PM
      2h 22m
      Nonstop
      SEA 4:37 PM
      San Francisco - Seattle | Tue, Nov 3 | Delta Air Lines
      €282
      35% off
      €435 €282
    • SFO 4:21 PM
      2h 12m
      Nonstop
      SEA 6:33 PM
      San Francisco - Seattle | Thu, Oct 29 | Alaska Airlines
      €333
      23% off
      €435 €333
    • SFO 9:43 AM
      2h 12m
      Nonstop
      SEA 11:55 AM
      San Francisco - Seattle | Thu, Oct 29 | American Airlines
      €333
      23% off
      €435 €333
    • SFO 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      San Francisco - Seattle | Thu, Oct 29 | Normal Airline
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    • SFO 12:19 PM
      1h 59m
      Nonstop
      SEA 2:18 PM
      San Francisco - Seattle | Sun, Dec 6 | United Airlines
      €214 €324
      34% off
      34% off
      €324 €214
    • SFO 6:40 PM
      2h 8m
      Nonstop
      SEA 8:48 PM
      San Francisco - Seattle | Fri, Jan 22 | United Airlines
      €111 €324
      66% off
      66% off
      €324 €111
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Fri, Jan 1 | United Airlines
      €113 €324
      65% off
      65% off
      €324 €113
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Tue, Dec 29 | United Airlines
      €156
      52% off
      €324 €156
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Fri, Dec 25 | United Airlines
      €163
      50% off
      €324 €163
    • SFO 6:40 PM
      2h 8m
      Nonstop
      SEA 8:48 PM
      San Francisco - Seattle | Fri, Jan 15 | United Airlines
      €189
      42% off
      €324 €189
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Sat, Dec 26 | United Airlines
      €190
      41% off
      €324 €190
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Sun, Dec 20 | United Airlines
      €215
      34% off
      €324 €215
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Sun, Jan 3 | United Airlines
      €221
      32% off
      €324 €221
    • SFO 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      San Francisco - Seattle | Thu, Oct 29 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from San Francisco 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 San Francisco International Airport to Seattle-Tacoma International Airport

Which month has the lowest one-way flight price from San Francisco 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 Francisco 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 Francisco International Airport to Seattle-Tacoma International Airport, the best time to book is in January, with an average price of €139. Try to avoid June, when prices are highest, averaging around €209.

€209
€174
€139
€104
    Cheapest
  • €147
    Oct
  • €156
    Nov
  • €163
    Dec
  • €139
    Jan
  • €157
    Feb
  • €190
    Mar
  • €163
    Apr
  • €202
    May
  • €209
    Jun
  • €186
    Jul
  • €176
    Aug
  • €169
    Sep

Which month is the cheapest for round-trip flights from San Francisco 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 Francisco 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, January is usually the cheapest month to find flights from San Francisco International Airport to Seattle-Tacoma International Airport, with an average price of €185. In contrast, June is typically the most expensive month, with average prices reaching €388.

€388
€287
€185
€84
    Cheapest
  • €238
    Oct
  • €338
    Nov
  • €245
    Dec
  • €185
    Jan
  • €218
    Feb
  • €280
    Mar
  • €263
    Apr
  • €347
    May
  • €388
    Jun
  • €351
    Jul
  • €285
    Aug
  • €289
    Sep

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

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

€205
€176
€146
€117
  • €164
    Mon
  • €146
    Tue
  • €151
    Wed
  • €183
    Thu
  • €205
    Fri
  • €179
    Sat
  • €187
    Sun

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

The cheapest airline flying from San Francisco International Airport to Seattle-Tacoma International Airport is Alaska Airlines (from €34) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From €34
Delta Air Lines
From €35
Frontier Airlines
From €52
American Airlines
From €67
United Airlines
From €85
Hahn Air
From €107

Find more flights and airlines

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS068

    San Francisco International Airport

    4:21 PM

    SFO

    2h 12m

    6:33 PM

    SEA

    S M T W T - S
    Search

  2. AS620

    San Francisco International Airport

    8:35 PM

    SFO

    2h 19m

    10:54 PM

    SEA

    S M T W T F S
    Search

  3. AS591

    San Francisco International Airport

    7:11 PM

    SFO

    2h 14m

    9:25 PM

    SEA

    S M T W T - S
    Search

  4. AS580

    San Francisco International Airport

    10:39 AM

    SFO

    2h 17m

    12:56 PM

    SEA

    S M T W T F S
    Search

  5. AS1327

    San Francisco International Airport

    7:45 PM

    SFO

    2h 14m

    9:59 PM

    SEA

    S M T W T F S
    Search

  6. AS1340

    San Francisco International Airport

    5:45 PM

    SFO

    2h 11m

    7:56 PM

    SEA

    S M T W T - S
    Search

  7. DL1412

    San Francisco International Airport

    2:15 PM

    SFO

    2h 22m

    4:37 PM

    SEA

    S M T W T F S
    Search

  8. DL3707

    San Francisco International Airport

    5:45 PM

    SFO

    2h 19m

    8:04 PM

    SEA

    S M T W T F S
    Search

  9. DL1134

    San Francisco International Airport

    10:35 AM

    SFO

    2h 22m

    12:57 PM

    SEA

    S M T W T F S
    Search

  10. DL2721

    San Francisco International Airport

    6:05 AM

    SFO

    2h 15m

    8:20 AM

    SEA

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

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

Flight distance 1,094.14 km
Cheapest one-way ticket price €52
Cheapest return ticket price €79

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

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

    San Francisco International Airport to Seattle-Tacoma International Airport takes about 1 hour 39 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 20 daily flights from San Francisco International Airport (SFO) to Seattle-Tacoma International Airport (SEA).
  • The earliest flight from San Francisco International Airport to Seattle-Tacoma International Airport departs at 06:07, and the last departs at 22:45, with about 24 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from San Francisco International Airport (SFO) to Seattle-Tacoma International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around €332 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 5735 flights per month.
  • One-way flights from San Francisco International Airport to Seattle-Tacoma International Airport currently start from €52, and round-trip fares start from €79. The current lowest fare is a Frontier Airlines flight departing on Tue, Dec 8; prices may vary depending on availability.
  • Yes. Alaska Airlines, United Airlines, Delta Air Lines and Cathay Pacific operate direct flights from San Francisco International Airport to Seattle-Tacoma International Airport, with an average flight time of 1 hour 32 minutes, and around 153 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 Francisco International Airport to Seattle-Tacoma International Airport is €154. Prices may vary depending on the departure date, airline, and availability.
  • Condor and WestJet are the most popular budget airlines flying from San Francisco International Airport to Seattle-Tacoma International Airport, with one-way fares starting from €52. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • San Francisco International Airport to Seattle-Tacoma International Airport operates around 149 weekly flights, mainly by Alaska Airlines, United Airlines and Delta Air Lines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter San Francisco 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.