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Cheap flights from San Francisco to Seattle from ₹ 8,589

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEA
24 Aug — 31 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Francisco to Seattle/Tacoma Intl are usually found in February or January, booked 71 days in advance, depart on a Tuesday or Sunday and return on a Monday

Cheap flight deals from San Francisco to Seattle

Enter your travel dates to find the best prices.

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 25 July 2026.

Sat 5/917:05
SFO
-
SEA
1 stop5h 50m
Southwest
Tue 8/908:30
SEA
-
SFO
1 stop8h 25m
Southwest
Deal found 22/7₹ 16,116
Sat 3/1007:40
SFO
-
SEA
1 stop12h 20m
Southwest
Wed 7/1012:05
SEA
-
SFO
2 stops8h 55m
Southwest
Deal found 19/7₹ 16,212
Tue 11/813:55
SFO
-
SEA
Nonstop2h 19m
United Airlines
Sat 15/807:00
SEA
-
SFO
Nonstop2h 17m
United Airlines
Deal found 21/7₹ 16,309
Wed 9/916:40
SFO
-
SEA
1 stop6h 50m
Southwest
Mon 14/909:05
SEA
-
SFO
1 stop5h 35m
Southwest
Deal found 23/7₹ 16,598
Sat 12/913:55
SFO
-
SEA
Nonstop2h 19m
United Airlines
Mon 14/909:00
SEA
-
SFO
Nonstop2h 19m
United Airlines
Deal found 22/7₹ 16,888
Sat 29/806:20
SFO
-
SEA
Nonstop2h 11m
Delta
Thu 3/921:30
SEA
-
SFO
Nonstop2h 20m
Delta
Deal found 22/7₹ 17,081
Thu 5/1114:30
SFO
-
SEA
2 stops10h 10m
Southwest
Mon 9/1106:45
SEA
-
SFO
1 stop4h 45m
Southwest
Deal found 23/7₹ 17,177
Wed 2/906:00
SFO
-
SEA
Nonstop2h 08m
Alaska Airlines
Tue 8/910:13
SEA
-
SFO
1 stop5h 46m
Alaska Airlines
Deal found 21/7₹ 17,370
Sat 12/911:35
SFO
-
SEA
1 stop8h 00m
Southwest
Mon 14/905:30
SEA
-
SFO
2 stops8h 00m
Southwest
Deal found 22/7₹ 17,563
Mon 7/907:00
SFO
-
SEA
1 stop10h 00m
Southwest
Sat 12/911:35
SEA
-
SFO
2 stops6h 20m
Southwest
Deal found 23/7₹ 17,660
Wed 12/809:00
SFO
-
SEA
Nonstop2h 26m
United Airlines
Sat 15/807:00
SEA
-
SFO
Nonstop2h 17m
United Airlines
Deal found 22/7₹ 17,853
Wed 19/810:40
SFO
-
SEA
2 stops9h 35m
Southwest
Wed 26/811:40
SEA
-
SFO
2 stops7h 25m
Southwest
Deal found 22/7₹ 18,046

Find 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 25 July 2026.

Round-trip from

₹ 16,116

One-way from

₹ 8,589

Popular in

July

Cheapest in

February

Average price

₹ 33,293

Good round-trip deal

₹ 26,311 or less

Good one-way deal

₹ 15,204 or less
Southwest
  • Southwest
  • 5/9-8/9
  • 2 total stops
  • 14h 15m total
  • San Francisco to Seattle
Search Deals
Southwest
  • Southwest
  • 19/8
  • 1 total stop
  • 6h 50m total
  • San Francisco to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (₹ 370,064 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 46,430 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from San Francisco to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from San Francisco to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customise 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 454,620 searches. Data last updated 25 July 2026.
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 - SEA

SFOSEA

San Francisco

Wed 9/9

16:40-23:30

1 stop6h 50m

Seattle/Tacoma Intl

Mon 14/9

09:05-14:40

1 stop5h 35m

₹ 16,598

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sun 6/9

13:55-16:14

Nonstop2h 19m

Seattle/Tacoma Intl

Sun 20/9

07:00-09:18

Nonstop2h 18m

₹ 16,598

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 21/8

20:53-23:10

Nonstop2h 17m

Seattle/Tacoma Intl

Sun 23/8

07:18-09:37

Nonstop2h 19m

₹ 18,046

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 19/8

14:35-21:15

1 stop6h 40m

Seattle/Tacoma Intl

Sat 22/8

05:00-12:05

1 stop7h 05m

₹ 18,046

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 18/8

20:59-23:19

Nonstop2h 20m

Seattle/Tacoma Intl

Wed 26/8

21:40-23:59

Nonstop2h 19m

₹ 18,528

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 19/8

12:05-21:45

2 stops9h 40m

Seattle/Tacoma Intl

Wed 26/8

07:10-13:15

1 stop6h 05m

₹ 18,528

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 10/9

11:30-21:15

2 stops9h 45m

Seattle/Tacoma Intl

Sun 13/9

09:05-15:05

1 stop6h 00m

₹ 19,011

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 16/10

06:45-16:30

1 stop9h 45m

Seattle/Tacoma Intl

Mon 19/10

07:40-13:05

1 stop5h 25m

₹ 19,493
Fastest return journey

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Mon 17/8

09:00-11:15

Nonstop2h 15m

Seattle/Tacoma Intl

Mon 24/8

21:25-23:40

Nonstop2h 15m

₹ 20,941
Cheapest one-way
Fastest single journey

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 18/9

06:00-08:08

Nonstop2h 08m

₹ 9,071

Flights are sorted by cheapest return flights first.

Deals found on 22/7

Showing 1-10 of 21 resultsSorted by cheapest first
1
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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
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.

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?

To ensure you get the cheapest price possible for a flight from San Francisco to Seattle, you should look to book at least 50 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 ₹ 20,265). Flying from San Francisco to Seattle in July is currently the most expensive (average of ₹ 33,293). 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 25 July 2026.

When flying from San Francisco to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 37% versus a flight in the afternoon.

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 ₹ 23,353 and ₹ 39,420 in September.
The cheapest return price found within the last 5 days was ₹ 16,116 on Southwest (5 Sept–8 Sept).

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 25 July 2026.
Get a feel of what it's like to fly with Alaska Airlines from San Francisco to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,715 reviews
Check prices

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.0

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
7.9
Good
12,715 reviews
Alaska Airlines
7.9
Good
12,715 reviews
Check prices

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.0

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

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?

    If you book a flight from San Francisco to Seattle, you will be flying from San Francisco to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from San Francisco (SFO) take 2h 11m for a nonstop flight. There are 72 flights from San Francisco to Seattle per day from 1 airline.

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

    The San Francisco to Seattle/Tacoma Intl flight path was viewed by 9 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?

    There are many flights that can get you from San Francisco to Seattle in 2h 19m. Fly via Southwest or United Airlines to get the fastest option. There are 1093 km between San Francisco and Seattle. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from San Francisco to Seattle round-trip?

    Cheapflights users have booked flights from San Francisco to Seattle return from ₹ 10,859. Alaska Airlines is priced at 61% 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?

    One-way options have recently been found by users for as low as ₹ 9,359 on Alaska Airlines. Other airlines that offer cheap prices include United Airlines from ₹ 9,503 and Hawaiian Airlines from ₹ 15,859 one-way.

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

    Before booking your flight to Seattle from San Francisco, have a look at the most reliable airlines to get you to your destination on time: WestJet (86%), Aeromexico (81%), China Eastern( 77%).

  • 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 ₹ 179,180, our data indicates the cheapest price to be ₹ 12,575. The most popular route (San Francisco - Seattle/Tacoma Intl), is priced around ₹ 18,046.

  • 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 ₹ 20,265). Flying from San Francisco to Seattle in July is currently the most expensive (average of ₹ 33,293). 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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Alternative routes for San Francisco to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Seattle flights
San Francisco to Portland flights
San Jose to Seattle flights

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 454,620 searches. Data last updated 25 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest₹ 10,859Average₹ 26,311FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers 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?

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.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from San Francisco today and book when prices fit your budget.

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