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Cheap flights from San Francisco to Seattle from S$ 101

SFO — SEA
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to Seattle

Thu 10-1207:00 -
Nonstop2h 16m
Thu 17-1207:16 -
Nonstop2h 21m
Deal found 26-10S$ 168
Mon 7-1215:58 -
Nonstop2h 15m
Mon 7-1220:51 -
Nonstop2h 11m
Deal found 26-10S$ 169
Fri 11-1220:59 -
Nonstop2h 25m
Fri 18-1211:00 -
Nonstop2h 24m
Deal found 27-10S$ 175
Wed 25-1122:35 -
Nonstop2h 24m
Wed 13-105:00 -
Nonstop2h 37m
Deal found 27-10S$ 186
Thu 19-1108:33 -
Nonstop2h 19m
Thu 19-1113:50 -
Nonstop2h 11m
Deal found 28-10S$ 187
Thu 17-1218:32 -
Nonstop2h 08m
Mon 21-1205:00 -
Nonstop2h 20m
Deal found 28-10S$ 188
Tue 8-1217:00 -
1 stop22h 43m
Sat 12-1216:58 -
1 stop26h 33m
Deal found 28-10S$ 190
Sat 5-1215:20 -
1 stop5h 10m
Tue 8-1207:00 -
1 stop5h 50m
Deal found 30-10S$ 191
Tue 1-1213:05 -
1 stop7h 50m
Mon 7-1207:00 -
1 stop5h 50m
Deal found 28-10S$ 193
Thu 19-1113:05 -
2 stops8h 35m
Mon 23-1106:45 -
1 stop4h 45m
Deal found 28-10S$ 195

Find flight deals from San Francisco to Seattle

Round-trip from

S$ 168

One-way from

S$ 101

Popular in

July

Cheapest in

February

Average price

S$ 343

Good one-way deal

S$ 234 or less
Alaska Airlines
  • Alaska Airlines
  • 10-12-17-12
  • Nonstop
  • 4h 37m total
  • San Francisco to Seattle
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Southwest
  • Southwest
  • 23-11-31-12
  • 1 total stop
  • 6h 15m total
  • San Francisco to Seattle
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Highest demand for flights based on searches. 9% potential increase in price (S$ 51 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (S$ 10 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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Price to beat on a one-way flight from San Francisco to Seattle/Tacoma Intl.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from San Francisco to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Fri 11-12

05:05-12:00

1 stop6h 55m

Seattle/Tacoma Intl

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 101

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Mon 23-11

17:30-01:20

1 stop7h 50m

Seattle/Tacoma Intl

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 101

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Tue 24-11

05:10-13:05

1 stop7h 55m

Seattle/Tacoma Intl

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 101

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Sat 12-12

11:20-19:10

1 stop7h 50m

Seattle/Tacoma Intl

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 101

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Wed 16-12

13:05-21:40

2 stops8h 35m

Seattle/Tacoma Intl

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 104

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Sun 6-12

18:33-20:47

Nonstop2h 14m

Seattle/Tacoma Intl

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 114

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Tue 9-3

11:55-22:00

2 stops10h 05m

Seattle/Tacoma Intl

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 152

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Mon 8-3

06:45-15:40

2 stops8h 55m

Seattle/Tacoma Intl

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 165

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Sat 12-12

14:19-16:44

Nonstop2h 25m

Seattle/Tacoma Intl

Wed 31-12

00:00-00:00

Nonstop0h 00m

S$ 174

San FranciscoSeattle

SFO San Francisco - SEA Seattle/Tacoma Intl

SFOSEA

San Francisco

Thu 10-12

13:05-20:55

1 stop7h 50m

Seattle/Tacoma Intl

Thu 17-12

06:45-11:30

1 stop4h 45m

S$ 195

Flights are sorted by cheapest return flights first.

Deals found on 25-10

Showing 1-10 of 18 resultsSorted by cheapest first
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Best time to book a flight from San Francisco to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from San Francisco with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Seattle

How far ahead should I book a flight from San Francisco to Seattle?

The best time to book flights from San Francisco to Seattle is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Francisco to Seattle?

Currently, February is the cheapest month in which you can book a flight from San Francisco to Seattle (average of S$ 273). Flying from San Francisco to Seattle in July is currently the most expensive (average of S$ 442). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to SEA?

One of the essential ways to save on airfare from San Francisco to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 51% on airfare.

How much does it cost for a return flight from San Francisco to Seattle?

Airfare is below average for this route at the moment.

San Francisco to Seattle flights typically cost between S$ 298 and S$ 572 in December.
The cheapest return price found within the last 5 days was S$ 168 on Alaska Airlines (10 Dec–17 Dec).

Related info for your journey

  • How popular is this San Francisco to Seattle flight route?

    This flight path from San Francisco to Seattle/Tacoma Intl was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    For as low as S$ 197, Delta can have you in Seattle from San Francisco in 2h 18m. Airlines will cover a distance of 1093 km. This flight may include one or multiple stops.

  • What are the most reliable airlines from San Francisco to Seattle?

    Consider Aeromexico (97%), Air China (91%) or Copa Airlines (85%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to Seattle.

  • Can I find deals for flights from San Francisco to Seattle that include hotel bookings?

    Yes. In addition to deals on San Francisco to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Seattle.

  • Can I find deals for business class flights from San Francisco to Seattle?

    Yes. Cheapflights offers flight deals from San Francisco to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Seattle?

    Currently, February is the cheapest month in which you can book a flight from San Francisco to Seattle (average of S$ 273). Flying from San Francisco to Seattle in July is currently the most expensive (average of S$ 442). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Seattle?

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Bothell
Leavenworth

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Why should you use Cheapflights to find cheap flight tickets from San Francisco to Seattle?

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Yes, we can. To see specific flights from San Francisco to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Not ready to book yet? You can track prices for flights from San Francisco to Seattle on Cheapflights with our Price Alert feature and get notified when better prices are available.

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