Trip.com
>
Cheap Flights
>
United States
>
Washington
>
Seattle
>
San Francisco to Seattle flight
>
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 €42 and round-trip from €107. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      SFO 06:17
      2h 18m
      Direct
      SEA 08:35
      San Francisco - Seattle | Sun, Nov 29 | Delta Air Lines
      €42 €78
      46% off
      46% off
      €78 €42
    • SFO 21:31
      22h 31m
      1 stop
      SEA 20:02
      San Francisco - Seattle | Fri, Dec 4 | Frontier Airlines
      €49 €78
      37% off
      37% off
      €78 €49
    • SFO 17:53
      2h 20m
      Direct
      SEA 20:13
      San Francisco - Seattle | Wed, Nov 25 | Delta Air Lines
      €52 €78
      33% off
      33% off
      €78 €52
    • SFO 21:56
      11h 49m
      1 stop
      SEA 09:45
      San Francisco - Seattle | Thu, Dec 10 | Frontier Airlines
      €52
      33% off
      €78 €52
    • SFO 09:09
      9h 24m
      1 stop
      SEA 18:33
      San Francisco - Seattle | Sat, Nov 21 | Frontier Airlines
      €52
      33% off
      €78 €52
    • SFO 06:00
      2h 18m
      Direct
      SEA 08:18
      San Francisco - Seattle | Tue, Dec 8 | Delta Air Lines
      €54
      85% off
      €349 €54
    • SFO 06:00
      2h 18m
      Direct
      SEA 08:18
      San Francisco - Seattle | Thu, Dec 17 | Delta Air Lines
      €56
      84% off
      €349 €56
    • SFO 07:00
      2h 16m
      Direct
      SEA 09:16
      San Francisco - Seattle | Wed, Dec 9 | Alaska Airlines
      €57
      84% off
      €349 €57
    • SFO 14:12
      2h 18m
      Direct
      SEA 16:30
      San Francisco - Seattle | Wed, Nov 18 | Delta Air Lines
      €57
      84% off
      €349 €57
    • SFO 13:00
      17h 25m
      1 stop
      SEA 14:00
      San Francisco - Seattle | Wed, Nov 4 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      SFO 06:17
      2h 18m
      Direct
      SEA 08:35
      San Francisco - Seattle | Sat, Nov 28 | Delta Air Lines
      SEA 08:46
      2h 16m
      Direct
      SFO 11:02
      Seattle - San Francisco | Sat, Dec 5 | Alaska Airlines
      €107 €138
      22% off
      22% off
      €138 €107
    • SFO 06:08
      2h 14m
      Direct
      SEA 08:22
      San Francisco - Seattle | Wed, Nov 18 | Alaska Airlines
      SEA 20:35
      2h 11m
      Direct
      SFO 22:46
      Seattle - San Francisco | Mon, Nov 23 | Alaska Airlines
      €109 €138
      21% off
      21% off
      €138 €109
    • SFO 08:33
      2h 19m
      Direct
      SEA 10:52
      San Francisco - Seattle | Thu, Nov 19 | Alaska Airlines
      SEA 18:32
      2h 11m
      Direct
      SFO 20:43
      Seattle - San Francisco | Mon, Nov 23 | Alaska Airlines
      €109 €138
      21% off
      21% off
      €138 €109
    • SFO 12:39
      2h 16m
      Direct
      SEA 14:55
      San Francisco - Seattle | Thu, Dec 10 | Alaska Airlines
      SEA 13:36
      2h 11m
      Direct
      SFO 15:47
      Seattle - San Francisco | Thu, Dec 17 | Alaska Airlines
      €109
      21% off
      €138 €109
    • SFO 07:00
      2h 16m
      Direct
      SEA 09:16
      San Francisco - Seattle | Fri, Dec 11 | Alaska Airlines
      SEA 18:40
      2h 12m
      Direct
      SFO 20:52
      Seattle - San Francisco | Mon, Dec 14 | Alaska Airlines
      €109
      21% off
      €138 €109
    • SFO 15:58
      2h 15m
      Direct
      SEA 18:13
      San Francisco - Seattle | Wed, Dec 9 | Alaska Airlines
      SEA 08:46
      2h 16m
      Direct
      SFO 11:02
      Seattle - San Francisco | Sat, Dec 12 | Alaska Airlines
      €109
      21% off
      €138 €109
    • SFO 15:58
      2h 15m
      Direct
      SEA 18:13
      San Francisco - Seattle | Mon, Dec 7 | Alaska Airlines
      SEA 19:36
      2h 12m
      Direct
      SFO 21:48
      Seattle - San Francisco | Fri, Dec 11 | Alaska Airlines
      €109
      21% off
      €138 €109
    • SFO 06:00
      2h 16m
      Direct
      SEA 08:16
      San Francisco - Seattle | Fri, Dec 4 | Alaska Airlines
      SEA 13:36
      2h 11m
      Direct
      SFO 15:47
      Seattle - San Francisco | Mon, Dec 7 | Alaska Airlines
      €109
      21% off
      €138 €109
    • SFO 12:39
      2h 16m
      Direct
      SEA 14:55
      San Francisco - Seattle | Sat, Dec 5 | Alaska Airlines
      SEA 13:36
      2h 11m
      Direct
      SFO 15:47
      Seattle - San Francisco | Sat, Dec 12 | Alaska Airlines
      €109
      21% off
      €138 €109
    • SFO 13:00
      17h 25m
      1 stop
      SEA 14:00
      San Francisco - Seattle | Wed, Nov 4 | Normal Airline
      SEA 15:00
      6h
      Direct
      SFO 16:00
      Seattle - San Francisco | Fri, Nov 6 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      SFO 06:17
      2h 18m
      Direct
      SEA 08:35
      San Francisco - Seattle | Sun, Nov 29 | Delta Air Lines
      €42 €78
      46% off
      46% off
      €78 €42
    • SFO 17:53
      2h 20m
      Direct
      SEA 20:13
      San Francisco - Seattle | Wed, Nov 25 | Delta Air Lines
      €52 €78
      33% off
      33% off
      €78 €52
    • SFO 06:00
      2h 18m
      Direct
      SEA 08:18
      San Francisco - Seattle | Tue, Dec 8 | Delta Air Lines
      €54 €349
      85% off
      85% off
      €349 €54
    • SFO 06:00
      2h 18m
      Direct
      SEA 08:18
      San Francisco - Seattle | Thu, Dec 17 | Delta Air Lines
      €56
      84% off
      €349 €56
    • SFO 07:00
      2h 16m
      Direct
      SEA 09:16
      San Francisco - Seattle | Wed, Dec 9 | Alaska Airlines
      €57
      84% off
      €349 €57
    • SFO 14:12
      2h 18m
      Direct
      SEA 16:30
      San Francisco - Seattle | Wed, Nov 18 | Delta Air Lines
      €57
      84% off
      €349 €57
    • SFO 06:00
      2h 16m
      Direct
      SEA 08:16
      San Francisco - Seattle | Fri, Dec 18 | Alaska Airlines
      €58
      26% off
      €78 €58
    • SFO 10:41
      2h 19m
      Direct
      SEA 13:00
      San Francisco - Seattle | Fri, Dec 25 | Delta Air Lines
      €58
      26% off
      €78 €58
    • SFO 06:00
      2h 18m
      Direct
      SEA 08:18
      San Francisco - Seattle | Wed, Dec 16 | Delta Air Lines
      €58
      83% off
      €349 €58
    • SFO 13:00
      17h 25m
      1 stop
      SEA 14:00
      San Francisco - Seattle | Wed, Nov 4 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      SFO 06:00
      2h 18m
      Direct
      SEA 08:18
      San Francisco - Seattle | Tue, Dec 8 | Delta Air Lines
      €54 €349
      85% off
      85% off
      €349 €54
    • SFO 06:00
      2h 18m
      Direct
      SEA 08:18
      San Francisco - Seattle | Thu, Dec 17 | Delta Air Lines
      €56 €349
      84% off
      84% off
      €349 €56
    • SFO 07:00
      2h 16m
      Direct
      SEA 09:16
      San Francisco - Seattle | Wed, Dec 9 | Alaska Airlines
      €57 €349
      84% off
      84% off
      €349 €57
    • SFO 14:12
      2h 18m
      Direct
      SEA 16:30
      San Francisco - Seattle | Wed, Nov 18 | Delta Air Lines
      €57
      84% off
      €349 €57
    • SFO 06:00
      2h 18m
      Direct
      SEA 08:18
      San Francisco - Seattle | Wed, Dec 16 | Delta Air Lines
      €58
      83% off
      €349 €58
    • SFO 06:05
      2h 15m
      Direct
      SEA 08:20
      San Francisco - Seattle | Mon, Jan 4 | Delta Air Lines
      €58
      83% off
      €349 €58
    • SFO 06:05
      2h 15m
      Direct
      SEA 08:20
      San Francisco - Seattle | Wed, Jan 13 | Delta Air Lines
      €59
      83% off
      €349 €59
    • SFO 13:00
      2h 20m
      Direct
      SEA 15:20
      San Francisco - Seattle | Fri, Jan 8 | Delta Air Lines
      €59
      83% off
      €349 €59
    • SFO 06:00
      2h 16m
      Direct
      SEA 08:16
      San Francisco - Seattle | Fri, Dec 4 | Alaska Airlines
      €70
      80% off
      €349 €70
    • SFO 13:00
      17h 25m
      1 stop
      SEA 14:00
      San Francisco - Seattle | Wed, Nov 4 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      SFO 08:33
      2h 19m
      Direct
      SEA 10:52
      San Francisco - Seattle | Mon, Nov 9 | Alaska Airlines
      €112 €447
      75% off
      75% off
      €447 €112
    • SFO 20:59
      2h 27m
      Direct
      SEA 23:26
      San Francisco - Seattle | Mon, Nov 9 | Delta Air Lines
      €116 €447
      74% off
      74% off
      €447 €116
    • SFO 06:20
      2h 21m
      Direct
      SEA 08:41
      San Francisco - Seattle | Fri, Nov 6 | Delta Air Lines
      €118 €447
      74% off
      74% off
      €447 €118
    • SFO 08:33
      2h 19m
      Direct
      SEA 10:52
      San Francisco - Seattle | Fri, Nov 6 | Alaska Airlines
      €118
      74% off
      €447 €118
    • SFO 08:33
      2h 19m
      Direct
      SEA 10:52
      San Francisco - Seattle | Sat, Nov 7 | Alaska Airlines
      €274
      39% off
      €447 €274
    • SFO 10:39
      2h 17m
      Direct
      SEA 12:56
      San Francisco - Seattle | Sun, Nov 8 | Alaska Airlines
      €274
      39% off
      €447 €274
    • SFO 10:35
      2h 22m
      Direct
      SEA 12:57
      San Francisco - Seattle | Sat, Nov 7 | Delta Air Lines
      €279
      38% off
      €447 €279
    • SFO 08:33
      2h 19m
      Direct
      SEA 10:52
      San Francisco - Seattle | Thu, Nov 5 | Alaska Airlines
      €346
      23% off
      €447 €346
    • SFO 06:20
      2h 21m
      Direct
      SEA 08:41
      San Francisco - Seattle | Thu, Nov 5 | Delta Air Lines
      €347
      22% off
      €447 €347
    • SFO 13:00
      17h 25m
      1 stop
      SEA 14:00
      San Francisco - Seattle | Wed, Nov 4 | Normal Airline
      Find more flights
      Find more flights
    • SFO 12:19
      1h 59m
      Direct
      SEA 14:18
      San Francisco - Seattle | Sun, Dec 6 | United Airlines
      €167 €325
      49% off
      49% off
      €325 €167
    • SFO 18:40
      2h 8m
      Direct
      SEA 20:48
      San Francisco - Seattle | Fri, Jan 22 | United Airlines
      €110 €325
      66% off
      66% off
      €325 €110
    • SFO 18:32
      2h 8m
      Direct
      SEA 20:40
      San Francisco - Seattle | Thu, Dec 17 | United Airlines
      €111 €325
      66% off
      66% off
      €325 €111
    • SFO 18:32
      2h 8m
      Direct
      SEA 20:40
      San Francisco - Seattle | Fri, Jan 1 | United Airlines
      €115
      65% off
      €325 €115
    • SFO 18:32
      2h 8m
      Direct
      SEA 20:40
      San Francisco - Seattle | Sun, Dec 20 | United Airlines
      €177
      46% off
      €325 €177
    • SFO 18:32
      2h 8m
      Direct
      SEA 20:40
      San Francisco - Seattle | Sat, Dec 26 | United Airlines
      €184
      43% off
      €325 €184
    • SFO 18:32
      2h 8m
      Direct
      SEA 20:40
      San Francisco - Seattle | Fri, Dec 25 | United Airlines
      €188
      42% off
      €325 €188
    • SFO 18:40
      2h 8m
      Direct
      SEA 20:48
      San Francisco - Seattle | Fri, Jan 15 | United Airlines
      €190
      42% off
      €325 €190
    • SFO 18:32
      2h 8m
      Direct
      SEA 20:40
      San Francisco - Seattle | Tue, Dec 22 | United Airlines
      €237
      27% off
      €325 €237
    • SFO 13:00
      17h 25m
      1 stop
      SEA 14:00
      San Francisco - Seattle | Wed, Nov 4 | 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

What is the cheapest month to fly from San Francisco International Airport to Seattle-Tacoma International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from San Francisco International Airport to Seattle-Tacoma International Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from San Francisco International Airport to Seattle-Tacoma International Airport are usually in January, with an average price of €139. It is best to avoid June, when the average price can reach €210.

€210
€175
€139
€104
    Cheapest
  • €147
    Oct
  • €156
    Nov
  • €164
    Dec
  • €139
    Jan
  • €157
    Feb
  • €191
    Mar
  • €164
    Apr
  • €203
    May
  • €210
    Jun
  • €186
    Jul
  • €176
    Aug
  • €170
    Sep

What is the cheapest month to fly return from San Francisco International Airport to Seattle-Tacoma International Airport?

The data is based on the past 12 months and shows the average monthly return fares from San Francisco International Airport to Seattle-Tacoma International Airport in the Trip.com database.

Based on Trip.com's data from the past 12 months, January is often the month to find the lowest fares from San Francisco International Airport to Seattle-Tacoma International Airport, with an average price of €186. June is usually the most expensive month, with an average price reaching €389.

€389
€288
€186
€85
    Cheapest
  • €239
    Oct
  • €339
    Nov
  • €246
    Dec
  • €186
    Jan
  • €219
    Feb
  • €281
    Mar
  • €264
    Apr
  • €348
    May
  • €389
    Jun
  • €352
    Jul
  • €286
    Aug
  • €290
    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 past 12 months and shows the average ticket prices from San Francisco International Airport to Seattle-Tacoma International Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from San Francisco International Airport to Seattle-Tacoma International Airport is Tuesday, with average prices usually lower than other days. Avoid departing on Friday as prices are typically highest on that day.

€206
€177
€147
€118
  • €165
    Mon
  • €147
    Tue
  • €152
    Wed
  • €183
    Thu
  • €206
    Fri
  • €180
    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 Delta Air Lines (from €54) among 7 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Delta Air Lines
From €54
Alaska Airlines
From €56
Frontier Airlines
From €60
American Airlines
From €72
Hahn Air
From €76
United Airlines
From €97
Sun Country Airlines
From €280

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. AS620

    San Francisco International Airport

    20:58

    SFO

    2h 15m

    23:13

    SEA

    S M - W T F S
    Search

  2. AS591

    San Francisco International Airport

    17:39

    SFO

    2h 14m

    19:53

    SEA

    S M T W T F S
    Search

  3. AS068

    San Francisco International Airport

    07:00

    SFO

    2h 15m

    09:15

    SEA

    S M - W T - S
    Search

  4. AS580

    San Francisco International Airport

    10:39

    SFO

    2h 17m

    12:56

    SEA

    S M T W - F S
    Search

  5. DL2721

    San Francisco International Airport

    06:05

    SFO

    2h 21m

    08:26

    SEA

    S M T W T F S
    Search

  6. AS1327

    San Francisco International Airport

    09:40

    SFO

    2h 16m

    11:56

    SEA

    S M T W T F S
    Search

  7. DL3707

    San Francisco International Airport

    17:45

    SFO

    2h 19m

    20:04

    SEA

    S M T W T F S
    Search

  8. DL1412

    San Francisco International Airport

    14:15

    SFO

    2h 22m

    16:37

    SEA

    S M T W T F S
    Search

  9. DL3991

    San Francisco International Airport

    20:05

    SFO

    2h 21m

    22:26

    SEA

    - - - - - - S
    Search
Find more flights and airlines

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 1,094.14km
Cheapest one-way ticket price €42
Cheapest return ticket price €107

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 19 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 32 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 €231 in November, the most expensive month to book this route.
    • The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.
  • 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 €42, and round-trip fares start from €107. The current lowest fare is a Delta Air Lines flight departing on Sun, Nov 29; prices may vary depending on availability.
  • Yes. Alaska Airlines, United Airlines, Delta Air Lines, Cathay Pacific and Qantas Airways operate direct flights from San Francisco International Airport to Seattle-Tacoma International Airport, with an average flight time of 1 hour 39 minutes, and around 152 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 €158. 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 €42. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • San Francisco International Airport to Seattle-Tacoma International Airport operates around 155 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.

Find Cheap Flights with Trip.com

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

Book with no extra fees

Prices displayed on this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within the last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.