SEA - SFO

₪239 Find Cheap Flights from Seattle to San Francisco - Compare and Save

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Everything you should know

Cheapest round-trip
₪472
Typical prices: ₪569–₪1,110
Delta
Sat 27.10Wed 31.10
SEA - SFO • Non-stop
Cheapest one-way
₪239
Typical prices: ₪389-₪857
Delta
Sun 28.10
SEA - SFO • Non-stop
Nonstop flights
You can fly nonstop with Alaska Airlines, United Airlines and Delta. Average duration is 2h 19m
Nonstop flights
+1
Nonstop flights
+1
Avoid delays
Most punctual • 100% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 8 weeks in advance save around 61% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 31% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg ₪806 (round-trip)
Shortest trip • 5h 26m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to San Francisco (SEA-SFO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to San Francisco

Tue, 27 Oct - Sat, 31 Oct
Delta Logo
14:45 - 17:05SEA  Seattle/Tacoma Intl-SFO San Francisco
2h 20mnonstop
Delta Logo
10:35 - 12:57SFO  San Francisco-SEA Seattle/Tacoma Intl
2h 22mnonstop
₪472Delta
Sat, 10 Oct - Mon, 12 Oct
Delta Logo
21:35 - 23:56SEA  Seattle/Tacoma Intl-SFO San Francisco
2h 21mnonstop
Delta Logo
06:20 - 08:41SFO  San Francisco-SEA Seattle/Tacoma Intl
2h 21mnonstop
₪475Delta
Sat, 10 Oct - Mon, 12 Oct
Delta Logo
21:35 - 23:56SEA  Seattle/Tacoma Intl-SFO San Francisco
2h 21mnonstop
Delta Logo
06:20 - 08:41SFO  San Francisco-SEA Seattle/Tacoma Intl
2h 21mnonstop
₪479Delta
Tue, 20 Oct - Tue, 20 Oct
Alaska Airlines Logo
09:59 - 12:26SEA  Seattle/Tacoma Intl-SFO San Francisco
2h 27mnonstop
Alaska Airlines Logo
16:21 - 18:33SFO  San Francisco-SEA Seattle/Tacoma Intl
2h 12mnonstop
₪518Alaska Airlines
Tue, 6 Oct - Tue, 6 Oct
Alaska Airlines Logo
06:39 - 08:49SEA  Seattle/Tacoma Intl-SFO San Francisco
2h 10mnonstop
Alaska Airlines Logo
11:00 - 13:16SFO  San Francisco-SEA Seattle/Tacoma Intl
2h 16mnonstop
₪521Alaska Airlines
Sat, 24 Oct - Sat, 31 Oct
Alaska Airlines Logo
15:44 - 18:01SEA  Seattle/Tacoma Intl-SFO San Francisco
2h 17mnonstop
Alaska Airlines Logo
09:43 - 11:55SFO  San Francisco-SEA Seattle/Tacoma Intl
2h 12mnonstop
₪527Alaska Airlines
Tue, 27 Oct - Sat, 31 Oct
Alaska Airlines Logo
13:55 - 16:08SEA  Seattle/Tacoma Intl-SFO San Francisco
2h 13mnonstop
Alaska Airlines Logo
06:07 - 08:20SFO  San Francisco-SEA Seattle/Tacoma Intl
2h 13mnonstop
₪533Alaska Airlines
Thu, 15 Oct - Thu, 15 Oct
United Airlines Logo
09:05 - 11:24SEA  Seattle/Tacoma Intl-SFO San Francisco
2h 19mnonstop
United Airlines Logo
22:45 - 01:15SFO  San Francisco-SEA Seattle/Tacoma Intl
2h 30mnonstop
₪536United Airlines
Thu, 8 Oct - Mon, 12 Oct
Alaska Airlines Logo
21:36 - 23:52SEA  Seattle/Tacoma Intl-SFO San Francisco
2h 16mnonstop
Alaska Airlines Logo
06:07 - 08:20SFO  San Francisco-SEA Seattle/Tacoma Intl
2h 13mnonstop
₪539Alaska Airlines
Thu, 8 Oct - Wed, 14 Oct
United Airlines Logo
07:11 - 09:30SEA  Seattle/Tacoma Intl-SFO San Francisco
2h 19mnonstop
United Airlines Logo
12:03 - 14:17SFO  San Francisco-SEA Seattle/Tacoma Intl
2h 14mnonstop
₪542United Airlines
Booking Insights

Price, demand, and travel trends for Seattle to San Francisco flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Seattle to San Francisco with more confidence.

How much is a round-trip flight from Seattle to San Francisco?

Round-trip flights from Seattle to San Francisco start at ₪472. Prices are below average for this route right now, with typical round-trip fares ranging from ₪569 to ₪1,110. The lowest price found in the past 5 days was ₪472 on Delta.

What's the cheapest day of the week to fly from Seattle to San Francisco?

Saturday is the cheapest day of the week to fly from Seattle to San Francisco and is 9% cheaper than the average day. Monday is the most expensive day, with flight prices 20% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Seattle to San Francisco?

•January is the cheapest month to fly from Seattle to San Francisco at ₪554 round-trip.
•June (₪896) and July (₪866) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 61% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Seattle to San Francisco the cheapest?

Flights from Seattle to San Francisco are cheapest 8 weeks before departure. Booking in this window typically costs about 61% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Seattle to San Francisco flights

Low season

September

Cheapest flight

₪239
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from Seattle to San Francisco

When to book flights from Seattle to San Francisco

Are your dates flexible? Find out the best times to travel from Seattle to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to San Francisco flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • What facilities are available for business travelers at San Francisco International Airport?

    While there is no designated business center at San Francisco International Airport, there are plenty of workstations located throughout its terminals. There are also Power Bars in the Terminal 2 Food Court where travelers can plug in their laptops and continue their work while on the go.

  • Can I fly from Seattle to San Francisco non-stop?

    Due to their close proximity, many airlines offer nonstop flights from Seattle to San Francisco. Some of the airlines offering such flights include Delta Air Lines, United Airlines, and Alaska Airlines. There are also one-stop flights available through airlines like jetBlue Airways, Alaska Airlines, and American Airlines, with layovers in cities such as Long Beach, Los Angeles, and Portland.

  • What is the quickest way from San Francisco International Airport to downtown San Francisco?

    Aside from renting or driving a personal vehicle, BART (Bay Area Rapid Transport) is the quickest way to get from San Francisco International Airport to the city. Terminal 3 hosts the airport’s BART station and is easily accessed via AirTrain from the airport’s other terminals.

  • Should I fly to San Francisco International Airport, Oakland International Airport, or San José International Airport?

    Both San Francisco International Airport and Oakland International Airport are connected to BART, making them ideal for travelers who plan to take public transportation after their flights from Seattle to San Francisco. The main difference between the two is that San Francisco is on the west side of the bay while Oakland is on the east. San José International Airport, on the other hand, is not connected via BART, but there are other public transport options available. However, the main reason to fly into San José is if your final destination is outside of the Bay Area, as the airport is located a bit further outside the Bay Area’s urban sprawl.

  • Which airlines offer extra legroom and free seat selection on Seattle to San Francisco flights?

    Among airlines operating Seattle to San Francisco flights:

    • Alaska Airlines: offers extra legroom; offers free seat selection
    • United Airlines: offers extra legroom; offers free seat selection
    • Delta: offers extra legroom; offers free seat selection
    • American Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Seattle to San Francisco?

    3 airlines operate flights between Seattle and San Francisco. The airlines offering direct flights on this route include:

    • Alaska Airlines
    • United Airlines
    • Delta

  • Which airports can I use when flying from Seattle to San Francisco?

    Flights from Seattle to San Francisco usually depart from Seattle/Tacoma Intl (SEA) and arrive at San Francisco (SFO).

  • Which airlines include bags at no extra cost on Seattle to San Francisco flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Alaska Airlines: a cabin bag and a checked bag in Economy Class
    • United Airlines: a cabin bag and a checked bag in Economy Class
    • Delta: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Seattle to San Francisco?

    Only Economy Class is available on flights from Seattle to San Francisco.

  • How much can I save by taking a layover when flying from Seattle to San Francisco?

    On this route, nonstop and layover fares are close on average, with nonstop at ₪799 round-trip and layover options via Denver Intl (DEN) at ₪806.

  • What is the standard checked bag allowance on flights from Seattle to San Francisco?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge ₪106–₪303 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Seattle to San Francisco?

    The Airbus A320-100/200 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

  • Which airports do connecting flights from Seattle to San Francisco pass through?

    One-stop flights from Seattle to San Francisco most commonly connect through:

    • Denver Intl (DEN) - 38% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 38% of one-stop connections
    • Salt Lake City (SLC) - 14% of one-stop connections
    • Ontario (ONT) - 10% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Seattle to San Francisco?

    On the Seattle to San Francisco route, being flexible with your departure day can save you up to 24%. Saturday is the cheapest day at ₪733 round-trip on average, while Monday is the most expensive at ₪963 – a ₪230 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • At what point is a flight from Seattle to San Francisco considered delayed?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Seattle to San Francisco route, 31% of flights were delayed in the past 3 months, with delays averaging 1 hour 35 minutes.

  • How are flight departures from Seattle to San Francisco spread across the day?

    Morning is the busiest departure period on Seattle to San Francisco flights, with 40% of flights leaving in that window. Evening departures account for 30%, afternoon flights for 25%, and night flights for 5%.

  • What popular places can I visit in San Francisco?

    Some of the most popular sights in San Francisco are Fisherman's Wharf and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

  • What are the earliest and latest flights from Seattle to San Francisco?

    These are the earliest and latest flight times available from Seattle to San Francisco:

    • Earliest: departs at 06:39 and lands at 08:58
    • Latest: departs at 21:40 and lands at 23:59.

    The flight takes about 2h 19m.

  • How expensive are last-minute Seattle to San Francisco flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 75% above the route average of ₪799. Book 8 weeks before departure for the lowest fares.

  • How long is a flight from Seattle to San Francisco?

    A nonstop flight from Seattle to San Francisco takes 2h 19m, covering 1,757 km.

  • Do I need a passport to fly from Seattle to San Francisco?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Seattle to San Francisco changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about ₪472 to ₪2,458. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Seattle to San Francisco looking right now?

    One-way fares from Seattle to San Francisco are currently lower than usual. Average one-way flight prices are about ₪296, which is 49% below the typical average for this route.

  • How does Southwest's on-time performance compare to other airlines on Seattle to San Francisco flights?

    Southwest is slightly above the route average for timely arrivals, while Delta has a lower on-time arrival rate. On-time arrival rates on Seattle to San Francisco flights are:

    • Southwest: 100% on time
    • Delta: 73% on time
    • United Airlines: 71% on time

    On average, flights on this route are punctual 69% of the time.

  • How do delay rates compare for morning and evening flights from Seattle to San Francisco?

    Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different layover airport from Seattle to San Francisco?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 5h 26m, compared with 11h 57m via Ontario (ONT) and 13h 35m via Las Vegas Harry Reid Intl (LAS).

  • Which car rental options are available at San Francisco Airport (SFO)?

    San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around ₪46 for economy cars. Top options include:
    • Thrifty
    • Europcar
    • Dollar
    • Hertz
    • Fox

  • How much should I expect to pay for a Seattle to San Francisco flight?

    Round-trip flights from Seattle to San Francisco range from ₪569 to ₪1,110, with an average of ₪799 over the past 12 months. Anything below ₪569 counts as a good deal.

  • Which airlines offer Wi-Fi on Seattle to San Francisco flights?

    Three airlines offer in-flight Wi-Fi on Seattle to San Francisco flights:

    • Alaska Airlines
    • Delta
    • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Seattle to San Francisco flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Saturday departure instead of Monday. On this route, Saturday flights average ₪733 - about ₪230 less than Monday (24% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 8 weeks before you fly. On this route, that window historically saves about 61% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Seattle to San Francisco trip for January. Fares historically average ₪554 round-trip in that month - typically ₪342 less than the most expensive month, which is June (based on the last 12 months).
  • If arriving on time is high on your priority list, Southwest is the strongest pick on this route. 100% of Southwest flights from Seattle to San Francisco arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 69%. When flights on this route do arrive late, the average delay is 1 hour35 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • Looking to take public transport to Seattle-Tacoma International Airport so you can avoid the hassle of renting a car? Link Light Rail services connect Seattle-Tacoma International Airport directly to downtown Seattle and even to the University of Washington. The airport’s Link station is located outside the airport on the fourth floor of the adjacent parking garage.
  • Want to give the kids the chance to burn off a bit of excess energy before the flight? Stop by Seattle-Tacoma International Airport’s Playroom, located by the Seattle Tap Room in the Central Terminal by the A gates. At San Francisco International Airport there are three children’s play areas to choose from: two in Terminal 3 and one in Terminal 2.
  • Fortunately for travelers wanting to grab a bite to eat before they board their flight out of Seattle-Tacoma International Airport, there are plenty of restaurant options available - even for those with dietary restrictions. For vegetarians and vegans there is Floret, while for those who prefer meat on the menu, there is Rel’Lish Burger Lounge.
  • The Aviation Museum in San Francisco International Airport is a great family-friendly activity for those who are looking for a diversion during their time at the airport. The museum includes a library and is open from 10:30 a.m. to 4:30 p.m.
  • To reach San Francisco International Airport’s Rental Car Center, simply hop on the AirTrain Blue Line at any one of the airport’s terminals. The AirTrain runs 24 hours a day and also connects the terminals to all of the airport’s parking garages and the BART station.

Prefer to fly non-stop from Seattle/Tacoma Intl to San Francisco?

 
Find which airlines fly direct from Seattle/Tacoma Intl Airport to San Francisco Airport, which days they fly and book direct flights.

Nonstop departures

Seattle/Tacoma Intl to San Francisco

Monday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Tuesday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Wednesday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Thursday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Friday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Saturday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Sunday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

See more direct flights

Nonstop returns

San Francisco to Seattle/Tacoma Intl

Monday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Tuesday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Wednesday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Thursday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Friday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Saturday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

Sunday

Alaska Airlines,Delta,United Airlines

Alaska Airlines,Delta, +1 more

See more direct flights

More options for your flight from Seattle to San Francisco

Complete your trip to San Francisco with a hotel stay or car rental