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Cheap flights from San Francisco to Seattle from ₹ 6,074

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEA
9 Oct — 16 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from San Francisco to Seattle/Tacoma Intl are usually found in October or January, booked 79 days in advance, depart on a Tuesday or Friday and return on a Friday

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 9 September 2025.

Round-trip from

₹ 12,147

One-way from

₹ 6,074

Popular in

August

Cheapest in

October

Average price

₹ 19,189

Good round-trip deal

₹ 31,110 or less

Good one-way deal

₹ 15,255 or less
Southwest
  • Southwest
  • 30/9-30/9
  • 3 total stops
  • 12h 25m total
  • San Francisco to Seattle
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Alaska Airlines
  • Alaska Airlines
  • 7/10
  • Nonstop
  • 2h 12m total
  • San Francisco to Seattle
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (₹ 200,715 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (₹ 41,088 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from San Francisco to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from San Francisco to Seattle/Tacoma Intl.
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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 9 September 2025.

Tue 30/907:00SFO - SEA
2 stops7h 10mSouthwest
Tue 30/916:10SEA - SFO
1 stop5h 15mSouthwest
Deal found 9/9₹ 12,147
Wed 10/1212:45SFO - SEA
2 stops7h 00mSouthwest
Fri 12/1205:35SEA - SFO
1 stop8h 30mSouthwest
Deal found 9/9₹ 12,235
Mon 17/1114:05SFO - SEA
1 stop8h 50mSouthwest
Wed 19/1109:35SEA - SFO
1 stop9h 00mSouthwest
Deal found 9/9₹ 12,323
Sat 4/1015:01SFO - SEA
1 stop3h 53mAlaska Airlines
Sat 4/1020:15SEA - SFO
Nonstop2h 14mAlaska Airlines
Deal found 9/9₹ 12,411
Tue 7/1014:05SFO - SEA
2 stops8h 40mSouthwest
Tue 14/1016:40SEA - SFO
1 stop5h 10mSouthwest
Deal found 7/9₹ 12,499
Tue 30/907:00SFO - SEA
2 stops7h 10mSouthwest
Wed 1/1009:55SEA - SFO
2 stops9h 55mSouthwest
Deal found 9/9₹ 12,587
Fri 24/1016:10SFO - SEA
1 stop8h 40mSouthwest
Sat 25/1007:45SEA - SFO
1 stop7h 50mSouthwest
Deal found 9/9₹ 12,852
Fri 3/1021:19SFO - SEA
Nonstop2h 23mAlaska Airlines
Sat 4/1020:15SEA - SFO
Nonstop2h 14mAlaska Airlines
Deal found 7/9₹ 12,940
Wed 1/1005:15SFO - SEA
1 stop6h 30mSouthwest
Sat 4/1005:00SEA - SFO
1 stop6h 50mSouthwest
Deal found 8/9₹ 13,292
Sat 27/913:00SFO - SEA
1 stop9h 30mSouthwest
Tue 30/908:25SEA - SFO
1 stop6h 15mSouthwest
Deal found 6/9₹ 13,380
Tue 30/911:44SFO - SEA
1 stop6h 06mAlaska Airlines
Tue 7/1008:00SEA - SFO
1 stop3h 51mAlaska Airlines
Deal found 9/9₹ 13,732

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 9 September 2025.
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

Sat 4/10

15:01-18:54

1 stop3h 53m

Seattle/Tacoma Intl

Sat 4/10

20:15-22:29

Nonstop2h 14m

₹ 12,411

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 4/10

19:00-21:15

Nonstop2h 15m

Seattle/Tacoma Intl

Sun 5/10

08:42-10:59

Nonstop2h 17m

₹ 12,940

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 25/11

06:00-08:23

Nonstop2h 23m

Seattle/Tacoma Intl

Fri 28/11

07:10-09:35

Nonstop2h 25m

₹ 12,940

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 8/10

18:20-20:35

Nonstop2h 15m

Seattle/Tacoma Intl

Tue 14/10

08:00-10:24

Nonstop2h 24m

₹ 12,940

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sun 12/10

06:00-08:20

Nonstop2h 20m

Seattle/Tacoma Intl

Sat 18/10

17:00-19:05

Nonstop2h 05m

₹ 12,940

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 9/12

08:00-11:49

1 stop3h 49m

Seattle/Tacoma Intl

Thu 11/12

21:39-23:59

Nonstop2h 20m

₹ 12,940

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 15/10

08:00-14:35

1 stop6h 35m

Seattle/Tacoma Intl

Thu 16/10

07:00-09:16

Nonstop2h 16m

₹ 12,940

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 23/10

16:10-00:50

1 stop8h 40m

Seattle/Tacoma Intl

Mon 27/10

18:35-23:35

1 stop5h 00m

₹ 13,820

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 24/10

21:00-23:15

Nonstop2h 15m

Seattle/Tacoma Intl

Sun 26/10

07:00-09:13

Nonstop2h 13m

₹ 13,820

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 17/10

06:00-08:20

Nonstop2h 20m

Seattle/Tacoma Intl

Fri 24/10

21:25-23:33

Nonstop2h 08m

₹ 13,820

Flights are sorted by cheapest return flights first.

Deals found on 8/9

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 29 August 2025.

To ensure you get the cheapest price possible for a flight from San Francisco to Seattle, you should look to book at least 40 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, October is the cheapest month in which you can book a flight from San Francisco to Seattle (average of ₹ 984). Flying from San Francisco to Seattle in August is currently the most expensive (average of ₹ 1,281). 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 9 September 2025.

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 20% versus a flight in the morning.

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

Use this chart to determine the cheapest time to fly return from San Francisco to Seattle. Price data was last updated on 7 September 2025.

Travellers seeking maximum savings on their San Francisco to Seattle flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 9 September 2025.
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
10,000 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very Good
10,000 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 10m for a nonstop flight. There are 86 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 32 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 15m. Fly via Alaska Airlines, 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 ₹ 10,757. Alaska Airlines is priced at 48% lower than the current average price of a flight leaving 3 months from now.

  • 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: Scandinavian Airlines (92%), KLM (87%), WestJet( 86%).

  • 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 ₹ 176,012, our data indicates the cheapest price to be ₹ 6,593. The most popular route (San Francisco - Seattle/Tacoma Intl), is priced around ₹ 27,376.

  • 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, October is the cheapest month in which you can book a flight from San Francisco to Seattle (average of ₹ 984). Flying from San Francisco to Seattle in August is currently the most expensive (average of ₹ 1,281). 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.
San Francisco to Portland flights
San Jose to Seattle flights
Los Angeles 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 9 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest₹ 10,757Average₹ 21,672FlexibilityNo 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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