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$68+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEA
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
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 October 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$111
(Trip.com)

One-way from

$68
(Southwest)

Popular in

December

Cheapest in

January

Average price

$245
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. 4% potential increase in price ($11 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 October 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 October 10, 2025.

This Trip.com deal was found by Cheapflights users on 10/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/12:22 pmSTS - SEA
Nonstop2h 08mHawaiian Airlines
Sat 11/158:05 pmSEA - STS
Nonstop2h 00mHawaiian Airlines
Deal found 10/8$111
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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.
Sat 12/62:21 pmSTS - SEA
Nonstop2h 08mAlaska Airlines
Tue 12/1611:26 amSEA - STS
Nonstop2h 03mAlaska Airlines
Deal found 10/9$117
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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 12/57:55 pmSTS - SEA
Nonstop2h 03mAlaska Airlines
Wed 12/1711:26 amSEA - STS
Nonstop2h 03mAlaska Airlines
Deal found 10/9$127
This Cheapflightsfares deal was found by Cheapflights users on 10/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/59:00 amSFO - SEA
Nonstop2h 24mAlaska Airlines
Wed 11/1211:10 amSEA - SFO
1 stop5h 11mAlaska Airlines
Deal found 10/7$134
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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.
Thu 11/62:22 pmSTS - SEA
Nonstop2h 08mAlaska Airlines
Sun 11/911:15 amSEA - STS
Nonstop2h 11mAlaska Airlines
Deal found 10/8$137
This Delta deal was found by Cheapflights users on 10/9. 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 11/83:22 pmSJC - SEA
1 stop5h 28mDelta
Sat 11/1512:40 pmSEA - SJC
1 stop6h 42mDelta
Deal found 10/9$137
This Delta deal was found by Cheapflights users on 10/8. 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 10/306:00 amSFO - SEA
Nonstop2h 20mDelta
Mon 11/312:45 pmSEA - SFO
1 stop5h 00mDelta
Deal found 10/8$137
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Tue 12/26:25 amSFO - SEA
Nonstop2h 18mAlaska Airlines
Tue 12/24:00 pmSEA - SFO
1 stop5h 17mAlaska Airlines
Deal found 10/7$138
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Tue 10/289:00 amSFO - SEA
Nonstop2h 24mAlaska Airlines
Tue 11/48:00 amSEA - SFO
1 stop4h 35mAlaska Airlines
Deal found 10/8$139
This Booking.com deal was found by Cheapflights users on 10/9. 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.
Thu 10/236:15 pmSFO - SEA
1 stop23h 29mFrontier
Fri 10/248:43 pmSEA - SFO
1 stop25h 46mFrontier
Deal found 10/9$140
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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.
Thu 10/308:10 amSJC - SEA
Nonstop2h 24mAlaska Airlines
Thu 10/301:35 pmSEA - SJC
Nonstop2h 19mAlaska Airlines
Deal found 10/8$141
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 10/311:11 pmSFO - SEA
1 stop3h 39mAlaska Airlines
Fri 10/318:25 pmSEA - SFO
Nonstop2h 16mAlaska Airlines
Deal found 10/8$141

Cheapflights Fare Finder

 
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 October 10, 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to Seattle that are best for you.

Fly from

San Francisco Bay Area

Fly to

Seattle

Route

Depart

Return

Price

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Sat 11/1

2:22 pm-4:30 pm

Nonstop2h 08m

Seattle/Tacoma Intl

Tue 11/4

8:05 pm-10:05 pm

Nonstop2h 00m

$117

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Sat 11/1

2:22 pm-4:30 pm

Nonstop2h 08m

Seattle/Tacoma Intl

Wed 11/5

8:05 pm-10:05 pm

Nonstop2h 00m

$127

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Sat 11/8

2:22 pm-4:30 pm

Nonstop2h 08m

Seattle/Tacoma Intl

Mon 11/10

11:15 am-1:26 pm

Nonstop2h 11m

$127

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Wed 11/5

7:00 am-9:10 am

Nonstop2h 10m

Seattle/Tacoma Intl

Sun 11/9

11:15 am-1:26 pm

Nonstop2h 11m

$127

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Sat 11/1

2:22 pm-4:30 pm

Nonstop2h 08m

Seattle/Tacoma Intl

Sun 11/16

11:15 am-1:26 pm

Nonstop2h 11m

$127

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 11/6

5:50 am-1:00 pm

1 stop7h 10m

Seattle/Tacoma Intl

Sat 11/8

7:10 am-12:20 pm

1 stop5h 10m

$137

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 12/17

3:35 pm-8:50 pm

1 stop5h 15m

Seattle/Tacoma Intl

Mon 12/22

10:15 pm-12:32 am

Nonstop2h 17m

$137

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 1/6

1:00 pm-8:31 pm

1 stop7h 31m

Seattle/Tacoma Intl

Wed 1/7

2:00 pm-10:12 pm

1 stop8h 12m

$137

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 10/31

6:00 am-8:20 am

Nonstop2h 20m

Seattle/Tacoma Intl

Sun 11/2

9:25 pm-11:33 pm

Nonstop2h 08m

$137

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 12/6

5:05 pm-11:25 pm

1 stop6h 20m

Seattle/Tacoma Intl

Mon 12/8

10:25 am-5:40 pm

1 stop7h 15m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

Showing 1-10 of 60 results
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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.

Cheapflights Insights

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

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

Currently, September is the cheapest month in which you can book a flight from San Francisco Bay Area to Seattle (average of $106). Flying from San Francisco Bay Area to Seattle in May is currently the most expensive (average of $137). 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 October 10, 2025.

When flying from San Francisco Bay Area to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 27% versus a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from San Francisco Bay Area to Seattle. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Francisco Bay Area to Seattle flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 10, 2025.

The most flights from zzXIH to SEA are scheduled on a Thursday (103 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (48 on average).

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 October 10, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from San Francisco Bay Area to Seattle have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,050 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

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
11,050 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Southwest
8.0
Very good
4,237 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,969 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,775 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
8,968 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

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 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 131 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 Bay Area to Seattle?

    Departing from San Francisco Bay Area to Seattle will take you 2h 05m. The distance from San Francisco Bay Area to Seattle is about 672 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from San Francisco Bay Area to Seattle one-way?

    $68 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $77 and $79, 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 Air China (91%), Scandinavian Airlines (90%) and WestJet (86%).

  • 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 $786, our data indicates the cheapest price to be $68. The most popular route (San Francisco - Seattle/Tacoma Intl), is priced around $109.

  • 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, September is the cheapest month in which you can book a flight from San Francisco Bay Area to Seattle (average of $106). Flying from San Francisco Bay Area to Seattle in May is currently the most expensive (average of $137). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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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 8 airlines flying from San Francisco Bay Area to Seattle

Discover the top 8 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 October 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$75Average$186FlexibilityNo cancel feeOn-time65%
FrontierCheapest$100Average$236FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$108Average$257FlexibilityNo cancel feeOn-time85%
DeltaCheapest$110Average$213FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$128Average$376FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$137Average$281FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$137Average$247FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$236Average$391FlexibilityNo cancel feeOn-time71%

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