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San Francisco Bay Area

$76+ Cheap flights from Seattle (SEA) to San Francisco Bay Area

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SFO
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Seattle to San Francisco Bay Area

Keep the following information in mind while searching for Seattle to San Francisco Bay Area flight deals. Data was last updated August 14, 2025.

Round-trip from

$137
(Delta)

One-way from

$76
(Southwest)

Popular in

December

Cheapest in

January

Average price

$237
From Seattle/Tacoma Intl to San Francisco Bay Area
Search Deals
One-way flight from Seattle/Tacoma Intl to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Seattle to San Francisco Bay Area

Cheapest flights from Seattle to San Francisco Bay Area
Explore the most affordable flight options available from Seattle to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/135:45 pmSEA - SFO
Nonstop2h 20mDelta
Sat 9/205:55 amSFO - SEA
Nonstop2h 16mDelta
Deal found 8/14$137
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/278:27 amSEA - SJC
Nonstop2h 26mDelta
Wed 10/12:25 pmSJC - SEA
Nonstop2h 18mDelta
Deal found 8/13$137
This Kissandfly.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/137:55 pmSEA - OAK
Nonstop2h 08mHawaiian Airlines
Mon 9/157:58 pmOAK - SEA
Nonstop2h 05mHawaiian Airlines
Deal found 8/13$137
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:45 pmSEA - SFO
Nonstop2h 12mDelta
Mon 9/85:55 amSFO - SEA
Nonstop2h 10mDelta
Deal found 8/12$138
This Hawaiian Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/119:44 pmSEA - OAK
Nonstop2h 19mHawaiian Airlines
Mon 10/136:40 amOAK - SEA
Nonstop2h 06mHawaiian Airlines
Deal found 8/14$138
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/135:45 pmSEA - SFO
Nonstop2h 20mDelta
Mon 9/158:58 pmSFO - SEA
Nonstop2h 17mDelta
Deal found 8/14$139
This Alaska Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/59:44 pmSEA - OAK
Nonstop2h 20mAlaska Airlines
Wed 9/106:15 amOAK - SEA
Nonstop2h 10mAlaska Airlines
Deal found 8/14$139
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1311:30 amSEA - SFO
1 stop5h 27mHawaiian Airlines
Mon 9/1511:48 amSFO - SEA
1 stop7h 11mHawaiian Airlines
Deal found 8/12$140
This SmartFares deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:06 pmSEA - STS
Nonstop2h 17mAlaska Airlines
Sat 10/42:30 pmSTS - SEA
Nonstop2h 07mAlaska Airlines
Deal found 8/13$140
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/92:05 pmSEA - SFO
1 stop8h 20mSouthwest
Tue 9/165:25 pmSFO - SEA
1 stop5h 25mSouthwest
Deal found 8/12$141
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/39:42 amSEA - SJC
Nonstop2h 16mAlaska Airlines
Wed 9/33:15 pmSJC - SEA
Nonstop2h 15mAlaska Airlines
Deal found 8/13$141
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/58:00 pmSEA - SFO
Nonstop2h 18mHawaiian Airlines
Thu 12/116:00 amSFO - SEA
Nonstop2h 15mHawaiian Airlines
Deal found 8/13$142

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to San Francisco Bay Area 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 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Seattle to San Francisco Bay Area that are best for you.

Fly from

Seattle

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Sat 11/8

8:35 am-10:51 am

Nonstop2h 16m

San Jose

Tue 11/11

2:35 pm-4:55 pm

Nonstop2h 20m

$137

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 9/13

7:00 am-9:19 am

Nonstop2h 19m

San Francisco

Sat 9/13

4:35 pm-6:49 pm

Nonstop2h 14m

$137

SeattleOakland

SEA - OAK

SEAOAK

Seattle/Tacoma Intl

Sat 9/13

7:55 pm-10:03 pm

Nonstop2h 08m

Oakland

Mon 9/15

7:58 pm-10:03 pm

Nonstop2h 05m

$137

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Tue 9/23

7:50 pm-10:11 pm

Nonstop2h 21m

San Jose

Wed 10/1

11:35 am-1:57 pm

Nonstop2h 22m

$137

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Wed 10/15

10:40 am-1:02 pm

Nonstop2h 22m

San Jose

Sat 10/18

7:15 am-9:45 am

Nonstop2h 30m

$137

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Sat 9/6

8:35 am-10:55 am

Nonstop2h 20m

San Jose

Wed 9/10

11:35 am-1:53 pm

Nonstop2h 18m

$137

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Sat 9/27

3:15 pm-5:30 pm

Nonstop2h 15m

San Jose

Tue 9/30

7:14 am-9:45 am

Nonstop2h 31m

$137

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Tue 9/23

3:15 pm-5:30 pm

Nonstop2h 15m

San Jose

Sat 9/27

6:11 pm-8:38 pm

Nonstop2h 27m

$137

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Sat 9/13

8:27 am-10:53 am

Nonstop2h 26m

San Jose

Tue 9/16

2:25 pm-4:43 pm

Nonstop2h 18m

$137

SeattleSan Jose

SEA - SJC

SEASJC

Seattle/Tacoma Intl

Wed 10/8

10:40 am-1:02 pm

Nonstop2h 22m

San Jose

Sat 10/11

2:21 pm-4:42 pm

Nonstop2h 21m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 60 results
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Best time to book a flight from Seattle to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Seattle 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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to San Francisco Bay Area

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

Currently, January is the cheapest month in which you can book a flight from Seattle to San Francisco Bay Area (average of $276). Flying from Seattle to San Francisco Bay Area in June is currently the most expensive (average of $358). 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 SEA to XIH?

Find hourly flight availability from Seattle to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to San Francisco Bay Area as you normally would.

Weekly flight availability from Seattle to San Francisco Bay Area

Explore weekly flight availability from Seattle to San Francisco Bay Area. 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 August 14, 2025.

The most flights from SEA to zzXIH are scheduled on a Thursday (124 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (39 on average).

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. 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 San Francisco Bay Area. Reviews last updated August 14, 2025.
Read through reviews of airlines operating flights from Seattle to San Francisco Bay Area, such as Alaska Airlines, Southwest, and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,244 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,656 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle to San Francisco Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to San Francisco Bay Area?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to San Francisco Bay Area. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

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

    This flight path from Seattle/Tacoma Intl to San Francisco Bay Area was viewed by 125 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 to fly from Seattle to San Francisco Bay Area one-way?

    One-way options have recently been found by users for as low as $76 on Southwest. Other airlines that offer cheap prices include Hawaiian Airlines from $77 and Alaska Airlines from $78 one-way.

  • What are the most popular routes from Seattle to San Francisco Bay Area?

    Most travelers choose Seattle/Tacoma Intl - San Francisco, Seattle/Tacoma Intl - San Jose or Seattle/Tacoma Intl - Oakland when deciding on the best route from Seattle to San Francisco Bay Area.

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

    No one likes to see their flight delayed. When booking a flight from Seattle to San Francisco Bay Area consider choosing China Southern (97%), SWISS (92%) or China Eastern (92%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for $78. While the most popular route (Seattle/Tacoma Intl - San Francisco) can be booked for $110 on average our data indicates $755 when flying from Seattle to San Francisco Bay Area.

  • Can I find deals for flights from Seattle to San Francisco Bay Area that include hotel bookings?

    Yes. In addition to deals on Seattle to San Francisco Bay Area flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to San Francisco Bay Area?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to San Francisco Bay Area.

  • Can I find deals for business class flights from Seattle to San Francisco Bay Area?

    Yes. Cheapflights offers flight deals from Seattle to San Francisco Bay Area 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 Seattle to San Francisco Bay Area?

    Currently, January is the cheapest month in which you can book a flight from Seattle to San Francisco Bay Area (average of $276). Flying from Seattle to San Francisco Bay Area in June is currently the most expensive (average of $358). 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.

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Alternative routes for Seattle to San Francisco Bay Area

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Top 8 airlines flying from Seattle to San Francisco Bay Area

Discover the top 8 airlines that operate flights from Seattle to San Francisco Bay Area. 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 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$65Average$203FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$88Average$260FlexibilityNo cancel feeOn-time85%
FrontierCheapest$100Average$212FlexibilityNo cancel feeOn-time62%
DeltaCheapest$102Average$217FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$116Average$282FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$119Average$246FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$126Average$231FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$226Average$392FlexibilityNo cancel feeOn-time71%

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