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Cheap flights from San Francisco to Seattle from ₹ 6,642

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEA
27 Apr — 4 May1
1 adult

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 Friday or Saturday 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 22 April 2025.

Round-trip from

₹ 12,688

One-way from

₹ 6,642

Popular in

July

Cheapest in

October

Average price

₹ 20,181

Good round-trip deal

₹ 13,334 or less

Good one-way deal

₹ 11,776 or less
Hawaiian Airlines
  • Hawaiian Airlines
  • 20/5-25/5
  • 1 total stop
  • 6h 46m total
  • San Francisco to Seattle
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Alaska Airlines
  • Alaska Airlines
  • 20/5
  • 1 total stop
  • 6h 38m total
  • San Francisco to Seattle
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (₹ 296,615 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (₹ 32,156 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 22 April 2025.

Tue 20/518:49SFO - SEA
Nonstop2h 11mHawaiian Airlines
Sun 25/516:39SEA - SFO
1 stop4h 35mHawaiian Airlines
Deal found 22/4₹ 12,688
Tue 3/610:39SFO - SEA
1 stop5h 20mAlaska Airlines
Tue 3/617:59SEA - SFO
1 stop5h 54mAlaska Airlines
Deal found 21/4₹ 12,858
Sat 14/620:45SFO - SEA
Nonstop2h 19mDelta
Sat 21/622:05SEA - SFO
Nonstop2h 15mDelta
Deal found 21/4₹ 12,943
Sat 7/611:55SFO - SEA
2 stops13h 10mSouthwest
Tue 10/616:55SEA - SFO
1 stop6h 35mSouthwest
Deal found 21/4₹ 14,305
Tue 29/415:33SFO - SEA
1 stop9h 11mFrontier
Tue 6/506:00SEA - SFO
1 stop8h 44mFrontier
Deal found 22/4₹ 15,242
Fri 27/622:55SFO - SEA
Nonstop2h 04mUnited Airlines
Sun 29/605:10SEA - SFO
Nonstop2h 12mUnited Airlines
Deal found 21/4₹ 20,181

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 April 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

Tue 20/5

18:49-21:00

Nonstop2h 11m

Seattle/Tacoma Intl

Sun 25/5

16:39-21:14

1 stop4h 35m

₹ 12,688

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 3/6

10:39-15:59

1 stop5h 20m

Seattle/Tacoma Intl

Tue 3/6

17:59-23:53

1 stop5h 54m

₹ 12,858

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 14/6

05:55-08:14

Nonstop2h 19m

Seattle/Tacoma Intl

Sun 22/6

06:15-08:32

Nonstop2h 17m

₹ 12,943

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 7/6

11:55-01:05

2 stops13h 10m

Seattle/Tacoma Intl

Tue 10/6

16:55-23:30

1 stop6h 35m

₹ 14,305

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Mon 19/5

08:34-19:32

1 stop10h 58m

Seattle/Tacoma Intl

Sun 25/5

13:50-23:11

1 stop9h 21m

₹ 16,945

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 17/5

19:05-21:31

Nonstop2h 26m

Seattle/Tacoma Intl

Sun 18/5

07:00-09:13

Nonstop2h 13m

₹ 18,648

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 20/5

11:13-17:51

1 stop6h 38m

₹ 6,642

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 5/6

06:10-08:30

Nonstop2h 20m

₹ 6,727

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 25/6

19:45-00:30

1 stop4h 45m

₹ 7,408

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 5/6

05:45-14:11

1 stop8h 26m

₹ 8,515

Flights are sorted by cheapest return flights first.

Deals found on 21/4

Showing 1-10 of 12 results
1
2

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 18 April 2025.

To ensure you get the cheapest price possible for a flight from San Francisco to Seattle, you should look to book at least 79 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 ₹ 1,484). 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 April 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 at midday, which can drop the price by up to 43% 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 30 March 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. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco to Seattle

Explore weekly flight availability from San Francisco to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 22 April 2025.

The most flights from SFO to SEA are scheduled on a Tuesday (102 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (40 on average).

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 inches 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 22 April 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from San Francisco to Seattle. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
9,906 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very Good
9,906 reviews
Alaska Airlines
8.0
Very Good
9,906 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very Good
4,287 reviews
Alaska Airlines
8.0
Very Good
9,906 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very Good
7,920 reviews
Alaska Airlines
8.0
Very Good
9,906 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,392 reviews
Alaska Airlines
8.0
Very Good
9,906 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,684 reviews
Alaska Airlines
8.0
Very Good
9,906 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 61 flights from San Francisco to Seattle per day from 2 airlines.

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

    The San Francisco to Seattle/Tacoma Intl flight path was viewed by 21 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Cheapflights users have booked flights from San Francisco to Seattle return from ₹ 12,688. Other airlines that can offer you cheap pricing are Alaska Airlines, from ₹ 12,858, and Delta, from ₹ 12,943. Hawaiian Airlines 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?

    One-way options have recently been found by users for as low as ₹ 6,642 on Alaska Airlines. Other airlines that offer cheap prices include Delta from ₹ 6,727 and Southwest from ₹ 7,408 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: Aeromexico (97%), Delta (93%), Copa Airlines( 90%).

  • 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 ₹ 13,658, our data indicates the cheapest price to be ₹ 6,667. The most popular route (San Francisco - Seattle/Tacoma Intl), is priced around ₹ 13,028.

  • 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 ₹ 1,484). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Lakewood

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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 2 airlines flying from San Francisco to Seattle

Discover the top 2 airlines 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 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest₹ 10,406Average₹ 23,518FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest₹ 12,515Average₹ 24,690FlexibilityNo cancel feeOn-timeN/A
Search Delta 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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