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Cheap flights from San Francisco to Seattle from ₹ 5,398

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEA
21 Feb — 28 Feb1
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 March, booked 90 days in advance, depart on a Tuesday or Friday and return on a Thursday

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 22 January 2026.

Wed 18/209:55
SFO
-
SEA
1 stop5h 15m
Delta
Wed 25/219:00
SEA
-
SFO
1 stop4h 54m
Delta
Deal found 21/1₹ 10,705
Sat 28/213:15
SFO
-
SEA
1 stop5h 34m
Delta
Mon 2/314:00
SEA
-
SFO
1 stop6h 27m
Delta
Deal found 20/1₹ 10,796
Sat 18/420:58
SFO
-
SEA
Nonstop2h 29m
United Airlines
Fri 24/407:12
SEA
-
SFO
Nonstop2h 18m
United Airlines
Deal found 21/1₹ 10,888
Fri 1/520:58
SFO
-
SEA
Nonstop2h 31m
United Airlines
Mon 4/507:08
SEA
-
SFO
Nonstop2h 18m
United Airlines
Deal found 21/1₹ 11,071
Wed 11/214:25
SFO
-
SEA
Nonstop2h 17m
Alaska Airlines
Thu 12/221:41
SEA
-
SFO
Nonstop2h 18m
Alaska Airlines
Deal found 20/1₹ 11,620
Thu 19/221:18
SFO
-
SEA
Nonstop2h 12m
United Airlines
Sun 22/207:15
SEA
-
SFO
Nonstop2h 19m
United Airlines
Deal found 21/1₹ 11,802
Fri 8/521:10
SFO
-
SEA
Nonstop2h 19m
Alaska Airlines
Thu 14/520:30
SEA
-
SFO
Nonstop2h 18m
Alaska Airlines
Deal found 21/1₹ 12,077
Sat 21/205:55
SFO
-
SEA
Nonstop2h 18m
Delta
Sun 1/307:10
SEA
-
SFO
Nonstop2h 20m
Delta
Deal found 20/1₹ 12,260
Wed 18/210:20
SFO
-
SEA
Nonstop2h 18m
Delta
Sat 28/217:50
SEA
-
SFO
1 stop5h 14m
Delta
Deal found 19/1₹ 12,534
Thu 9/406:30
SFO
-
SEA
Nonstop2h 17m
Alaska Airlines
Mon 13/421:42
SEA
-
SFO
Nonstop2h 17m
Alaska Airlines
Deal found 19/1₹ 12,992
Sat 14/221:18
SFO
-
SEA
Nonstop2h 12m
United Airlines
Tue 17/219:29
SEA
-
SFO
Nonstop2h 17m
United Airlines
Deal found 21/1₹ 13,175
Fri 13/321:15
SFO
-
SEA
Nonstop2h 13m
United Airlines
Mon 16/307:15
SEA
-
SFO
Nonstop2h 19m
United Airlines
Deal found 21/1₹ 13,266

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 22 January 2026.

Round-trip from

₹ 10,705

One-way from

₹ 5,398

Popular in

November

Cheapest in

February

Average price

₹ 23,696

Good round-trip deal

₹ 10,242 or less
Delta
  • Delta
  • 20/2-21/2
  • Nonstop
  • 4h 29m total
  • San Francisco to Seattle
Search Deals
Delta
  • Delta
  • 23/2
  • Nonstop
  • 2h 18m total
  • San Francisco to Seattle
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (₹ 237,777 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 37,706 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip 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 22 January 2026.
Use the filters below to find and compare flights from San Francisco to Seattle that are best for you.

Fly from

San Francisco

Fly to

Seattle

Route

Depart

Return

Price

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Mon 9/3

16:03-23:21

1 stop7h 18m

Seattle/Tacoma Intl

Tue 17/3

09:40-17:28

1 stop7h 48m

₹ 10,705

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Mon 9/3

06:30-08:47

Nonstop2h 17m

Seattle/Tacoma Intl

Wed 11/3

18:21-20:36

Nonstop2h 15m

₹ 10,705

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sun 15/2

05:55-08:13

Nonstop2h 18m

Seattle/Tacoma Intl

Wed 18/2

20:30-22:41

Nonstop2h 11m

₹ 10,705

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 24/3

06:00-12:49

1 stop6h 49m

Seattle/Tacoma Intl

Tue 31/3

09:40-17:28

1 stop7h 48m

₹ 10,705

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 24/2

14:39-16:58

Nonstop2h 19m

Seattle/Tacoma Intl

Sat 28/2

16:40-18:53

Nonstop2h 13m

₹ 10,705

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 25/2

09:55-16:48

1 stop6h 53m

Seattle/Tacoma Intl

Fri 27/2

19:00-23:54

1 stop4h 54m

₹ 10,705

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 5/3

20:47-23:07

Nonstop2h 20m

Seattle/Tacoma Intl

Sun 8/3

21:41-23:59

Nonstop2h 18m

₹ 11,620

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 15/5

20:45-23:05

Nonstop2h 20m

Seattle/Tacoma Intl

Wed 20/5

17:59-20:16

Nonstop2h 17m

₹ 12,077

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 18/2

21:18-23:30

Nonstop2h 12m

Seattle/Tacoma Intl

Sun 22/2

05:05-07:38

Nonstop2h 33m

₹ 12,534

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 14/2

19:35-21:52

Nonstop2h 17m

Seattle/Tacoma Intl

Wed 18/2

09:50-17:56

1 stop8h 06m

₹ 12,534

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 23 results
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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?

Use this chart to determine the optimal time to book a return flight from San Francisco to Seattle. Price data was last updated on 16 January 2026.

To ensure you get the cheapest price possible for a flight from San Francisco to Seattle, you should look to book at least 64 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, January is the cheapest month in which you can book a flight from San Francisco to Seattle (average of ₹ 7,136). Flying from San Francisco to Seattle in May is currently the most expensive (average of ₹ 12,534). 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 22 January 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 afternoon, which can drop the price by up to 28% versus a flight at midday.

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 22 January 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
8.0
Very Good
11,775 reviews
Check prices

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

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
8.0
Very Good
11,775 reviews
Alaska Airlines
8.0
Very Good
11,775 reviews
Check prices

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

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 17m for a nonstop flight. There are 66 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 26 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 16m. Fly via Delta to get the fastest option. There are 1093 km between San Francisco and Seattle. Most flights are nonstop.

  • 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 ₹ 8,326. Alaska Airlines is priced at 63% 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 ₹ 6,249 on Alaska Airlines. Other airlines that offer cheap prices include Hawaiian Airlines from ₹ 6,853 and United Airlines from ₹ 9,010 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 (87%), Aeromexico (86%), Air France( 85%).

  • 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 ₹ 250,289, our data indicates the cheapest price to be ₹ 10,242. The most popular route (San Francisco - Seattle/Tacoma Intl), is priced around ₹ 29,552.

  • 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, January is the cheapest month in which you can book a flight from San Francisco to Seattle (average of ₹ 7,136). Flying from San Francisco to Seattle in May is currently the most expensive (average of ₹ 12,534). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 22 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest₹ 8,326Average₹ 22,097FlexibilityNo 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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