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Cheap flights from San Francisco to Seattle from C$ 113

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEA
23 Dec — 30 Dec1
1 adult

The best prices from San Francisco to Seattle/Tacoma Intl are usually found in October or January, booked 83 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap flight deals from San Francisco to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 December 2024.

Round-trip from

C$ 217

One-way from

C$ 113

Popular in

June

Cheapest in

October

Average price

C$ 408
Delta
  • Delta
  • 6/1-9/1
  • 1 total stop
  • 9h 33m total
  • San Francisco to Seattle
Alaska Airlines
  • Alaska Airlines
  • 23/2
  • Nonstop
  • 2h 15m total
  • San Francisco to Seattle
High demand for flights, 11% potential price rise
Best time to find cheap flights, 1% potential price drop
Average for round-trip flights in December 2024

Find flight deals from San Francisco to Seattle

Cheapest flights from San Francisco to Seattle
Explore the most affordable flight options available from San Francisco to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2024.

Tue 31/129:29 p.m.SFO - SEA
Nonstop2h 15mAlaska Airlines
Tue 7/15:55 p.m.SEA - SFO
Nonstop2h 12mAlaska Airlines
Deal found 17/12C$ 314
Tue 31/1210:35 a.m.SFO - SEA
Nonstop2h 25mDelta
Mon 13/11:35 p.m.SEA - SFO
Nonstop2h 12mDelta
Deal found 18/12C$ 384
Tue 31/129:30 p.m.SFO - SEA
Nonstop2h 20mUnited Airlines
Fri 3/16:13 p.m.SEA - SFO
Nonstop2h 19mUnited Airlines
Deal found 17/12C$ 456
Wed 25/1212:40 p.m.SFO - SEA
2 stops9h 05mSouthwest
Tue 7/12:35 p.m.SEA - SFO
1 stop7h 40mSouthwest
Deal found 17/12C$ 556
Mon 23/126:00 a.m.SFO - SEA
1 stop7h 10mFrontier
Fri 27/129:36 p.m.SEA - SFO
1 stop10h 33mFrontier
Deal found 16/12C$ 704

Find flights from San Francisco to Seattle within your budget

Customize your flight search to find flights from San Francisco to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 9/1

1:40 p.m.-6:46 p.m.

1 stop5h 06m

Seattle/Tacoma Intl

Sun 12/1

6:10 a.m.-8:31 a.m.

Nonstop2h 21m

C$ 214

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 19/2

11:11 a.m.-2:32 p.m.

1 stop3h 21m

Seattle/Tacoma Intl

Tue 18/3

1:34 p.m.-3:43 p.m.

Nonstop2h 09m

C$ 223

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 7/1

4:48 p.m.-7:08 p.m.

Nonstop2h 20m

Seattle/Tacoma Intl

Sat 11/1

7:00 a.m.-9:20 a.m.

Nonstop2h 20m

C$ 267

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Mon 13/1

9:00 a.m.-8:10 p.m.

2 stops11h 10m

Seattle/Tacoma Intl

Wed 15/1

9:10 a.m.-8:35 p.m.

2 stops11h 25m

C$ 291

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sun 23/2

6:00 a.m.-8:15 a.m.

Nonstop2h 15m

C$ 113

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 25/1

3:52 p.m.-10:21 p.m.

1 stop6h 29m

C$ 130

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 14/2

10:35 p.m.-12:55 a.m.

Nonstop2h 20m

C$ 134

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 18/3

6:00 a.m.-5:00 p.m.

2 stops11h 00m

C$ 187

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Mon 30/12

10:41 a.m.-7:15 p.m.

1 stop8h 34m

C$ 271

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 28/12

7:00 a.m.-5:03 p.m.

2 stops10h 03m

C$ 670

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

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 round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Francisco to Seattle

Get recent, data-driven insights about flights from San Francisco to Seattle including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Seattle. Price data was last updated on 13 December 2024.

The price you pay for your flight from San Francisco to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from San Francisco to Seattle (average of C$ 270). Flying from San Francisco to Seattle in March is currently the most expensive (average of C$ 437). 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?

Find hourly flight availability from San Francisco to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2024.

It’s typically best to fly out from San Francisco to Seattle in the morning. Doing so could potentially save you 27% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 18 December 2024.
To help decide which airline to fly from San Francisco to Seattle, see what other customers have to say about Southwest, Alaska Airlines and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
4,848 reviews

Crew

8.7

Entertainment

7.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

8.1
Very good
4,848 reviews
8.1
Very good
4,848 reviews

Crew

8.7

Entertainment

7.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

8.0
Very good
9,554 reviews
8.1
Very good
4,848 reviews

Crew

8.7

Entertainment

7.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

8.0
Very good
8,604 reviews
8.1
Very good
4,848 reviews

Crew

8.7

Entertainment

7.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

7.4
Good
9,055 reviews
8.1
Very good
4,848 reviews

Crew

8.7

Entertainment

7.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

7.2
Good
10,000 reviews
8.1
Very good
4,848 reviews

Crew

8.7

Entertainment

7.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Food

7.2

Reviews

1 / 10

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from San Francisco to Seattle?

    Booking a flight from San Francisco (SFO) to Seattle/Tacoma Intl (SEA) is your only option if you wish to fly from San Francisco to Seattle. On a typical day, there are 26 flights from San Francisco to Seattle/Tacoma Intl, all of which are around 2h 30m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from San Francisco to Seattle.

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

  • What are the cheapest airlines flying from San Francisco to Seattle round-trip?

    Cheapflights users have booked flights from San Francisco to Seattle round-trip from C$ 217. Other airlines that can offer you cheap pricing are Alaska Airlines, from C$ 223, and United Airlines, from C$ 267. Delta is priced at 38% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from San Francisco to Seattle one-way?

    C$ 113 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from C$ 130 and C$ 134, respectively.

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

    No one likes to see their flight delayed. When booking a flight from San Francisco to Seattle consider choosing Aeromexico (98%), Iberia (92%) or Scandinavian Airlines (91%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from San Francisco to Seattle?

    Looking for the cheapest flight from San Francisco to Seattle? While on average our users pay C$ 275, our data indicates the cheapest price to be C$ 174. The most popular route (San Francisco - Seattle/Tacoma Intl), is priced around C$ 774.

  • 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 vacation 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, August is the cheapest month in which you can book a flight from San Francisco to Seattle (average of C$ 270). Flying from San Francisco to Seattle in March is currently the most expensive (average of C$ 437). 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from San Francisco to Seattle

Discover the top airline that operate flights from San Francisco to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 18 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapestC$ 195AverageC$ 312FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Seattle?

Deals for San Francisco to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Seattle from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from San Francisco to Seattle with no change fees?

Need flexible booking options for your flight to Seattle from San Francisco? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from San Francisco to Seattle become cheaper?

Yes! Start tracking prices for San Francisco to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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