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$78+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEA
May 10 — May 171
Sat 5/10
Sat 5/17
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 May 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$151
(Alaska Airlines)

One-way from

$78
(Alaska Airlines)

Popular in

July

Cheapest in

October

Average price

$230
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. 13% potential increase in price ($38 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 May 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 May 5, 2025.

This Alaska Airlines deal was found by Cheapflights users on 5/3. 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.
Sun 5/258:00 amSFO - SEA
Nonstop2h 13mAlaska Airlines
Sun 5/251:40 pmSEA - SFO
Nonstop2h 11mAlaska Airlines
Deal found 5/3$151
This Delta deal was found by Cheapflights users on 5/4. 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 6/76:10 amSFO - SEA
Nonstop2h 20mDelta
Wed 6/115:50 pmSEA - SFO
Nonstop2h 22mDelta
Deal found 5/4$152
This CheapOair deal was found by Cheapflights users on 5/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2711:51 amOAK - SEA
1 stop12h 19mSpirit Airlines
Fri 5/303:20 pmSEA - OAK
1 stop7h 05mSpirit Airlines
Deal found 5/5$156
This Hawaiian Airlines deal was found by Cheapflights users on 5/4. 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 6/57:00 amOAK - SEA
Nonstop2h 09mHawaiian Airlines
Sun 6/89:55 amSEA - OAK
Nonstop2h 13mHawaiian Airlines
Deal found 5/4$157
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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.
Mon 6/29:09 pmSJC - SEA
Nonstop2h 14mAlaska Airlines
Wed 6/1110:25 amSEA - SJC
Nonstop2h 11mAlaska Airlines
Deal found 5/5$157
This Expedia deal was found by Cheapflights users on 5/3. 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 5/214:28 pmSJC - SEA
1 stop7h 42mMultiple Airlines
Mon 5/267:00 amSEA - SJC
Nonstop2h 12mMultiple Airlines
Deal found 5/3$159
This American Airlines deal was found by Cheapflights users on 5/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/104:18 pmSFO - SEA
1 stop5h 16mAmerican Airlines
Tue 6/178:00 amSEA - SFO
1 stop7h 48mAmerican Airlines
Deal found 5/4$159
This Expedia deal was found by Cheapflights users on 5/4. 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.
Sun 6/111:51 amOAK - SEA
1 stop12h 19mMultiple Airlines
Sun 6/89:55 amSEA - OAK
Nonstop2h 13mMultiple Airlines
Deal found 5/4$160
This Mytrip deal was found by Cheapflights users on 5/3. 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.
Wed 5/284:28 pmSJC - SEA
1 stop7h 42mSpirit Airlines
Sun 6/13:20 pmSEA - SJC
2 stops23h 08mSpirit Airlines
Deal found 5/3$161
This Trip.com deal was found by Cheapflights users on 5/4. 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.
Wed 6/184:44 pmSFO - SEA
Nonstop2h 10mHawaiian Airlines
Wed 6/251:35 pmSEA - SFO
Nonstop2h 13mHawaiian Airlines
Deal found 5/4$164
This Southwest deal was found by Cheapflights users on 5/5. 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.
Mon 6/166:10 amOAK - SEA
Nonstop2h 05mSouthwest
Fri 6/207:30 pmSEA - OAK
Nonstop2h 10mSouthwest
Deal found 5/5$172
This Expedia deal was found by Cheapflights users on 5/4. 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.
Tue 5/203:34 pmSFO - SEA
1 stop8h 15mMultiple Airlines
Sat 5/249:33 pmSEA - SFO
Nonstop2h 11mMultiple Airlines
Deal found 5/4$172

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 May 5, 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

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sun 5/25

8:00 am-10:13 am

Nonstop2h 13m

Seattle/Tacoma Intl

Sun 5/25

1:40 pm-3:51 pm

Nonstop2h 11m

$151

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 6/7

6:10 am-8:30 am

Nonstop2h 20m

Seattle/Tacoma Intl

Sat 6/7

9:50 pm-12:04 am

Nonstop2h 14m

$152

OaklandSeattle

OAK - SEA

OAKSEA

Oakland

Tue 5/27

11:51 am-12:10 am

1 stop12h 19m

Seattle/Tacoma Intl

Fri 5/30

3:20 pm-10:25 pm

1 stop7h 05m

$156

OaklandSeattle

OAK - SEA

OAKSEA

Oakland

Thu 6/5

7:00 am-9:09 am

Nonstop2h 09m

Seattle/Tacoma Intl

Sun 6/8

9:55 am-12:08 pm

Nonstop2h 13m

$157

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Mon 6/2

9:09 pm-11:23 pm

Nonstop2h 14m

Seattle/Tacoma Intl

Mon 6/16

6:36 pm-8:51 pm

Nonstop2h 15m

$157

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 5/21

4:28 pm-12:10 am

1 stop7h 42m

Seattle/Tacoma Intl

Mon 5/26

7:00 am-9:12 am

Nonstop2h 12m

$159

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 6/10

4:18 pm-9:34 pm

1 stop5h 16m

Seattle/Tacoma Intl

Tue 6/17

8:00 am-3:48 pm

1 stop7h 48m

$159

OaklandSeattle

OAK - SEA

OAKSEA

Oakland

Sun 6/1

11:51 am-12:10 am

1 stop12h 19m

Seattle/Tacoma Intl

Sun 6/8

9:55 am-12:08 pm

Nonstop2h 13m

$160

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Wed 5/28

4:28 pm-12:10 am

1 stop7h 42m

Seattle/Tacoma Intl

Sun 6/1

3:20 pm-2:28 pm

2 stops23h 08m

$161

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 6/18

4:44 pm-6:54 pm

Nonstop2h 10m

Seattle/Tacoma Intl

Wed 6/25

1:35 pm-3:48 pm

Nonstop2h 13m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/4

Showing 1-10 of 50 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, 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 $403). 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 May 5, 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 May 5, 2025.

The most flights from zzXIH to SEA are scheduled on a Monday (111 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (74 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 May 5, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
9,987 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.9

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
9,987 reviews
Alaska Airlines
8.0
Very good
9,987 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.9

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
4,292 reviews
Alaska Airlines
8.0
Very good
9,987 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.9

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
7,941 reviews
Alaska Airlines
8.0
Very good
9,987 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.9

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
2,420 reviews
Alaska Airlines
8.0
Very good
9,987 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.9

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
8,702 reviews
Alaska Airlines
8.0
Very good
9,987 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.9

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 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 132 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?

    $78 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and Spirit Airlines, with prices starting from $79 and $80, 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 Oakland - Seattle/Tacoma Intl or San Jose - 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 Aeromexico (99%), Delta (92%) and Horizon Air (90%).

  • 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 $748, our data indicates the cheapest price to be $69. The most popular route (San Francisco - Seattle/Tacoma Intl), is priced around $133.

  • 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 $403). 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
Tacoma
Lakewood
Renton
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Cle Elum
Centralia
Kent
Aberdeen
Kirkland
Shelton
Silverdale
Redmond

Browse thousands of different options on Cheapflights for your next trip

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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 May 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$64Average$154FlexibilityNo cancel feeOn-time65%
FrontierCheapest$100Average$216FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$108Average$250FlexibilityNo cancel feeOn-time85%
DeltaCheapest$115Average$230FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$118Average$328FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$136Average$285FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$137Average$246FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$198Average$383FlexibilityNo cancel feeOn-time71%

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