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$69+ Cheap flights from San Francisco Bay Area to Seattle (SEA)

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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from San Francisco Bay Area to Seattle

Keep the following information in mind while searching for San Francisco Bay Area to Seattle flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$125
(Frontier)

One-way from

$69
(Delta)

Popular in

June

Cheapest in

October

Average price

$237
Provider with most accurate pricing for San Francisco-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Seattle/Tacoma Intl flights.
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From San Francisco Bay Area to Seattle/Tacoma Intl
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One-way flight from San Francisco Bay Area to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 11% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from San Francisco Bay Area to Seattle

Cheapest flights from San Francisco Bay Area to Seattle
Explore the most affordable flight options available from San Francisco Bay Area to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Frontier deal was found by Cheapflights users on 2/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/510:59 pmSFO - SEA
1 stop10h 31mFrontier
Thu 3/62:02 pmSEA - SFO
1 stop10h 41mFrontier
Deal found 2/18$125
This Delta deal was found by Cheapflights users on 2/20. 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.
Thu 3/136:05 amSFO - SEA
Nonstop2h 21mDelta
Mon 3/1711:50 amSEA - SFO
1 stop5h 39mDelta
Deal found 2/20$127
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1911:00 amSFO - SEA
Nonstop2h 17mMultiple Airlines
Tue 3/2511:48 amSEA - SFO
1 stop6h 24mMultiple Airlines
Deal found 2/19$134
This Delta deal was found by Cheapflights users on 2/20. 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.
Thu 3/135:11 pmSJC - SEA
1 stop6h 02mDelta
Mon 3/1711:50 amSEA - SJC
1 stop7h 09mDelta
Deal found 2/20$137
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/107:54 pmSJC - SEA
1 stop15h 52mSpirit Airlines
Tue 3/117:57 pmSEA - SJC
2 stops17h 27mSpirit Airlines
Deal found 2/19$139
This Priceline deal was found by Cheapflights users on 2/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/47:34 amSJC - SEA
1 stop9h 09mMultiple Airlines
Sat 3/1512:03 pmSEA - SJC
1 stop5h 03mMultiple Airlines
Deal found 2/18$140
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 5/66:00 amSFO - SEA
Nonstop2h 05mAlaska Airlines
Tue 5/611:20 amSEA - SFO
1 stop5h 00mAlaska Airlines
Deal found 2/19$141
This Hawaiian Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 3/206:43 amOAK - SEA
Nonstop2h 07mHawaiian Airlines
Thu 3/279:38 pmSEA - OAK
Nonstop2h 05mHawaiian Airlines
Deal found 2/20$149
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1712:03 pmOAK - SEA
2 stops23h 43mSpirit Airlines
Tue 3/187:57 pmSEA - OAK
2 stops15h 19mSpirit Airlines
Deal found 2/20$150
This Delta deal was found by Cheapflights users on 2/19. 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.
Wed 3/1212:55 pmOAK - SEA
1 stop5h 43mDelta
Tue 3/186:56 pmSEA - OAK
1 stop5h 03mDelta
Deal found 2/19$151
This Booking.com deal was found by Cheapflights users on 2/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/101:00 pmSJC - SEA
1 stop20h 30mFrontier
Fri 3/142:02 pmSEA - SJC
1 stop25h 01mFrontier
Deal found 2/19$151
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/154:38 pmSFO - SEA
1 stop5h 19mUnited Airlines
Sun 3/165:00 amSEA - SFO
Nonstop2h 17mUnited Airlines
Deal found 2/19$153

Find flights from San Francisco Bay Area to Seattle within your budget

Customize your flight search to find flights from San Francisco Bay Area 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 2,558,603 searches. Data last updated February 20, 2025.

Fly from

San Francisco Bay Area

Fly to

Seattle

Route

Depart

Return

Price

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 3/5

10:59 pm-9:30 am

1 stop10h 31m

Seattle/Tacoma Intl

Thu 3/6

2:02 pm-12:43 am

1 stop10h 41m

$125

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 3/13

6:05 am-8:26 am

Nonstop2h 21m

Seattle/Tacoma Intl

Mon 3/17

11:50 am-5:29 pm

1 stop5h 39m

$127

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 3/19

11:00 am-1:17 pm

Nonstop2h 17m

Seattle/Tacoma Intl

Tue 3/25

11:48 am-6:12 pm

1 stop6h 24m

$134

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Thu 3/13

1:00 pm-3:13 pm

Nonstop2h 13m

Seattle/Tacoma Intl

Fri 3/21

7:00 am-9:10 am

Nonstop2h 10m

$137

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Mon 3/10

7:54 pm-11:46 am

1 stop15h 52m

Seattle/Tacoma Intl

Tue 3/11

7:57 pm-1:24 pm

2 stops17h 27m

$139

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 3/4

7:34 am-4:43 pm

1 stop9h 09m

Seattle/Tacoma Intl

Sat 3/15

12:03 pm-5:06 pm

1 stop5h 03m

$140

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 5/6

6:00 am-8:05 am

Nonstop2h 05m

Seattle/Tacoma Intl

Tue 5/6

11:20 am-4:20 pm

1 stop5h 00m

$141

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Thu 4/3

6:25 am-8:51 am

Nonstop2h 26m

Seattle/Tacoma Intl

Thu 4/10

11:32 am-1:54 pm

Nonstop2h 22m

$147

OaklandSeattle

OAK - SEA

OAKSEA

Oakland

Thu 3/20

6:43 am-8:50 am

Nonstop2h 07m

Seattle/Tacoma Intl

Thu 3/27

9:38 pm-11:43 pm

Nonstop2h 05m

$149

OaklandSeattle

OAK - SEA

OAKSEA

Oakland

Mon 3/17

12:03 pm-11:46 am

2 stops23h 43m

Seattle/Tacoma Intl

Tue 3/18

7:57 pm-11:16 am

2 stops15h 19m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 51 results
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2
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6

Best time to book a flight from San Francisco Bay Area to Seattle

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

Travel insights for flights from San Francisco Bay Area to Seattle

Get recent, data-driven insights about flights from San Francisco Bay Area to Seattle including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Seattle (average of $238). Flying from San Francisco Bay Area to Seattle in July is currently the most expensive (average of $411). 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 XIH to SEA?

Find hourly flight availability from San Francisco Bay Area 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 February 20, 2025.

When flying from San Francisco Bay Area to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from San Francisco Bay Area to Seattle

Explore weekly flight availability from San Francisco Bay Area 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 February 20, 2025.

The most flights from zzXIH to SEA are scheduled on a Thursday (98 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (28 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 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 February 20, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from San Francisco Bay Area to Seattle. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Overall

8.1

Entertainment

7.6

Comfort

8.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Tim,Jul 2024

DEN - SEA

Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Francisco Bay Area to Seattle. 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 into for flights to Seattle from San Francisco Bay Area?

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

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

    The San Francisco Bay Area to Seattle/Tacoma Intl flight path was viewed by 129 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 San Francisco Bay Area to Seattle one-way?

    $69 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Spirit Airlines and Frontier, with prices starting from $70 and $71, respectively.

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

    The most popular route from San Francisco Bay Area to Seattle is San Francisco - Seattle/Tacoma Intl. You may also consider San Jose - Seattle/Tacoma Intl or Oakland - Seattle/Tacoma Intl.

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

    The top 3 most reliable airlines when flying from San Francisco Bay Area to Seattle are Horizon Air (100%), Aeromexico (96%) and Copa Airlines (94%).

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

    Looking for the cheapest flight from San Francisco Bay Area to Seattle? While on average our users pay $861, our data indicates the cheapest price to be $83. The most popular route (San Francisco - Seattle/Tacoma Intl), is priced around $105.

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Seattle (average of $238). Flying from San Francisco Bay Area to Seattle in July is currently the most expensive (average of $411). 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

Traveling to a place near San Francisco Bay Area?

Book flights to San Francisco Bay Area if you plan to visit one of these locations
SeaTac
Tukwila
Renton
Tacoma
Lacey
Ocean Shores
Leavenworth
Olympia
Federal Way
Centralia
Marysville
Cle Elum
Mukilteo
Aberdeen
Lakewood
Issaquah
Shoreline
Lynnwood
Shelton
Silverdale

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Alternative routes for San Francisco Bay Area to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from San Francisco Bay Area to Seattle

Discover the top 7 airlines that operate flights from San Francisco Bay Area 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 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$64Average$156FlexibilityNo cancel feeOn-time65%
FrontierCheapest$70Average$211FlexibilityNo cancel feeOn-time62%
DeltaCheapest$114Average$218FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$118Average$331FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$133Average$248FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$135Average$285FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$198Average$501FlexibilityNo cancel feeOn-time71%
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