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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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEA
Jun 28 — Jul 51
Sat 6/28
Sat 7/5
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 June 23, 2025.

Round-trip from

$141
(Alaska Airlines)

One-way from

$69
(United Airlines)

Popular in

July

Cheapest in

October

Average price

$277
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 ($36 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 June 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 June 23, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/22. 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 9/611:48 amSFO - SEA
1 stop6h 05mAlaska Airlines
Sat 9/68:08 pmSEA - SFO
Nonstop2h 15mAlaska Airlines
Deal found 6/22$141
This Hawaiian Airlines deal was found by Cheapflights users on 6/23. 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.
Wed 9/102:42 pmSFO - SEA
Nonstop2h 12mHawaiian Airlines
Sun 9/147:00 amSEA - SFO
Nonstop2h 12mHawaiian Airlines
Deal found 6/23$142
This Southwest deal was found by Cheapflights users on 6/22. 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.
Wed 8/134:45 pmSFO - SEA
1 stop7h 20mSouthwest
Wed 8/204:10 pmSEA - SFO
1 stop5h 15mSouthwest
Deal found 6/22$157
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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 8/121:04 pmSJC - SEA
Nonstop2h 08mAlaska Airlines
Sat 8/167:00 amSEA - SJC
Nonstop2h 08mAlaska Airlines
Deal found 6/23$157
This American Airlines deal was found by Cheapflights users on 6/22. 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.
Sat 8/166:30 amSFO - SEA
1 stop7h 31mAmerican Airlines
Tue 8/196:30 amSEA - SFO
1 stop6h 26mAmerican Airlines
Deal found 6/22$159
This CheapOair deal was found by Cheapflights users on 6/21. 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.
Thu 7/106:30 amSJC - SEA
1 stop9h 55mSpirit Airlines
Tue 7/155:30 pmSEA - SJC
1 stop6h 24mSpirit Airlines
Deal found 6/21$162
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Thu 7/106:00 amOAK - SEA
1 stop10h 25mSpirit Airlines
Wed 7/165:30 pmSEA - OAK
1 stop6h 03mSpirit Airlines
Deal found 6/21$166
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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 8/108:00 amOAK - SEA
1 stop6h 25mAlaska Airlines
Fri 8/229:44 pmSEA - OAK
Nonstop2h 15mAlaska Airlines
Deal found 6/23$167
This Trip.com deal was found by Cheapflights users on 6/23. 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.
Thu 8/72:38 pmOAK - SEA
Nonstop2h 00mHawaiian Airlines
Thu 8/149:44 pmSEA - OAK
Nonstop2h 17mHawaiian Airlines
Deal found 6/23$169
This Delta deal was found by Cheapflights users on 6/21. 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 9/187:20 amSJC - SEA
Nonstop2h 32mDelta
Sat 9/207:45 pmSEA - SJC
Nonstop2h 21mDelta
Deal found 6/21$169
This Southwest deal was found by Cheapflights users on 6/23. 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.
Wed 8/2011:55 amSJC - SEA
Nonstop2h 15mSouthwest
Wed 8/276:45 amSEA - SJC
2 stops9h 25mSouthwest
Deal found 6/23$172
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 8/56:30 amSJC - SEA
1 stop9h 55mMultiple Airlines
Tue 8/1212:09 pmSEA - SJC
Nonstop2h 20mMultiple Airlines
Deal found 6/21$173

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 June 23, 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

Sat 9/6

11:48 am-5:53 pm

1 stop6h 05m

Seattle/Tacoma Intl

Sat 9/6

8:08 pm-10:23 pm

Nonstop2h 15m

$141

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 9/10

4:52 pm-7:09 pm

Nonstop2h 17m

Seattle/Tacoma Intl

Sun 9/14

7:00 am-9:12 am

Nonstop2h 12m

$142

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 8/13

4:45 pm-12:05 am

1 stop7h 20m

Seattle/Tacoma Intl

Wed 8/20

4:10 pm-9:25 pm

1 stop5h 15m

$157

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Tue 8/12

1:04 pm-3:12 pm

Nonstop2h 08m

Seattle/Tacoma Intl

Sat 8/16

7:00 am-9:08 am

Nonstop2h 08m

$157

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 8/13

5:50 am-2:43 pm

1 stop8h 53m

Seattle/Tacoma Intl

Wed 8/20

7:45 am-3:49 pm

1 stop8h 04m

$159

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Thu 7/10

6:30 am-4:25 pm

1 stop9h 55m

Seattle/Tacoma Intl

Tue 7/15

5:30 pm-11:54 pm

1 stop6h 24m

$162

OaklandSeattle

OAK - SEA

OAKSEA

Oakland

Thu 7/10

6:00 am-4:25 pm

1 stop10h 25m

Seattle/Tacoma Intl

Wed 7/16

5:30 pm-11:33 pm

1 stop6h 03m

$166

OaklandSeattle

OAK - SEA

OAKSEA

Oakland

Sun 8/10

7:00 am-9:07 am

Nonstop2h 07m

Seattle/Tacoma Intl

Thu 8/21

5:20 am-8:59 am

1 stop3h 39m

$167

San JoseSeattle

SJC - SEA

SJCSEA

San Jose

Thu 9/18

7:20 am-9:52 am

Nonstop2h 32m

Seattle/Tacoma Intl

Sat 9/20

7:45 pm-10:06 pm

Nonstop2h 21m

$169

OaklandSeattle

OAK - SEA

OAKSEA

Oakland

Thu 8/7

2:38 pm-4:38 pm

Nonstop2h 00m

Seattle/Tacoma Intl

Thu 8/14

9:44 pm-12:01 am

Nonstop2h 17m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Showing 1-10 of 49 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 $391). 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 June 23, 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 June 23, 2025.

The most flights from zzXIH to SEA are scheduled on a Monday (114 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (62 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 June 23, 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
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

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
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

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
7,965 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

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
7.8
Good
2,520 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

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
8,831 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

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?

    $69 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $78 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 Horizon Air (100%), WestJet (94%) and Aeromexico (93%).

  • 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 $642, our data indicates the cheapest price to be $80. The most popular route (San Francisco - Seattle/Tacoma Intl), is priced around $132.

  • 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 $391). 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
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Puyallup
Cle Elum
Centralia
Kent
Kirkland
Aberdeen
Renton
Shelton
Silverdale

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 June 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$64Average$159FlexibilityNo cancel feeOn-time65%
FrontierCheapest$101Average$219FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$108Average$254FlexibilityNo cancel feeOn-time85%
DeltaCheapest$115Average$217FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$118Average$326FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$135Average$278FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$138Average$247FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$226Average$391FlexibilityNo cancel feeOn-time71%

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