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$49+ Cheap flights from Washington to San Francisco (SFO)

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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SFO
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
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Cheap flight deals from Washington to San Francisco

Cheapest flights from Washington to San Francisco
Explore the most affordable flight options available from Washington to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 26, 2025.

This Frontier deal was found by Cheapflights users on 12/24. 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.
Sun 12/2812:47 pmPDX - SFO
1 stop11h 37mFrontier
Thu 1/810:18 pmSFO - PDX
1 stop11h 16mFrontier
Deal found 12/24$292
This CheapOair deal was found by Cheapflights users on 12/24. 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.
Sat 12/2712:37 pmPDX - SFO
1 stop11h 47mFrontier
Sat 1/314:46 pmSFO - PDX
1 stop17h 28mFrontier
Deal found 12/24$303
This Expedia deal was found by Cheapflights users on 12/24. 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.
Sat 12/2712:37 pmPDX - SFO
1 stop19h 46mMultiple Airlines
Sat 1/316:56 pmSFO - PDX
Nonstop1h 52mMultiple Airlines
Deal found 12/24$305
This Frontier deal was found by Cheapflights users on 12/24. 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.
Sat 12/2712:37 pmPDX - SFO
1 stop11h 47mFrontier
Thu 1/810:18 pmSFO - PDX
1 stop11h 16mFrontier
Deal found 12/24$317
This Frontier deal was found by Cheapflights users on 12/24. 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.
Tue 12/302:54 pmSEA - SFO
1 stop9h 30mFrontier
Sat 1/107:00 amSFO - SEA
1 stop6h 34mFrontier
Deal found 12/24$319
This United Airlines deal was found by Cheapflights users on 12/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:02 amPSC - SFO
Nonstop2h 36mUnited Airlines
Fri 1/29:35 amSFO - PSC
Nonstop2h 08mUnited Airlines
Deal found 12/23$319
This United Airlines deal was found by Cheapflights users on 12/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:00 amGEG - SFO
Nonstop2h 45mUnited Airlines
Sat 1/37:10 pmSFO - GEG
Nonstop2h 21mUnited Airlines
Deal found 12/23$331
This CheapOair deal was found by Cheapflights users on 12/25. 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.
Sun 12/2812:47 pmPDX - SFO
1 stop11h 37mFrontier
Sun 1/115:44 pmSFO - PDX
1 stop15h 50mFrontier
Deal found 12/25$338
This Delta deal was found by Cheapflights users on 12/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:30 pmPSC - SFO
1 stop7h 02mDelta
Sat 1/35:45 amSFO - PSC
1 stop4h 53mDelta
Deal found 12/23$339
This United Airlines deal was found by Cheapflights users on 12/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 amGEG - SFO
Nonstop2h 45mUnited Airlines
Sat 1/37:10 pmSFO - GEG
Nonstop2h 21mUnited Airlines
Deal found 12/23$343
This Delta deal was found by Cheapflights users on 12/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:00 amGEG - SFO
1 stop4h 33mDelta
Sat 1/35:45 amSFO - GEG
1 stop4h 56mDelta
Deal found 12/23$351
This Trip.com deal was found by Cheapflights users on 12/25. 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 12/311:25 pmSEA - SFO
1 stop10h 59mFrontier
Wed 1/74:01 pmSFO - SEA
1 stop17h 03mFrontier
Deal found 12/25$356

Find flight deals from Washington to San Francisco

Keep the following information in mind while searching for Washington to San Francisco flight deals. Data was last updated December 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$97
(Alaska Airlines)

One-way from

$49
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$290

Good round-trip deal

$159 or less

Good one-way deal

$162 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-San Francisco flights.
Search Deals
From Washington to San Francisco
Search Deals
One-way flight from Washington to San Francisco
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Washington to San Francisco.
Search Deals
Price to beat on a one-way flight from Washington to San Francisco.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to San Francisco 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 December 26, 2025.
Use the filters below to find and compare flights from Washington to San Francisco that are best for you.

Fly from

Washington

Fly to

San Francisco

Route

Depart

Return

Price

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Fri 1/23

9:20 pm-11:30 pm

Nonstop2h 10m

San Francisco

Tue 1/27

6:00 am-8:22 am

Nonstop2h 22m

$117

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sun 1/25

5:59 pm-8:12 pm

Nonstop2h 13m

San Francisco

Thu 1/29

7:00 am-9:18 am

Nonstop2h 18m

$117

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 1/13

10:25 am-5:58 pm

1 stop7h 33m

San Francisco

Wed 1/14

5:55 am-12:57 pm

1 stop7h 02m

$117

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 1/24

6:00 am-8:11 am

Nonstop2h 11m

San Francisco

Wed 1/28

2:25 pm-4:42 pm

Nonstop2h 17m

$117

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sun 1/18

7:15 am-9:35 am

Nonstop2h 20m

San Francisco

Fri 1/23

6:00 am-8:22 am

Nonstop2h 22m

$117

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 1/21

7:15 am-3:08 pm

1 stop7h 53m

San Francisco

Wed 1/28

1:35 pm-6:42 pm

1 stop5h 07m

$117

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Fri 1/30

1:40 pm-3:58 pm

Nonstop2h 18m

San Francisco

Sat 1/31

10:30 am-12:53 pm

Nonstop2h 23m

$117

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 3/19

7:24 am-9:50 am

Nonstop2h 26m

San Francisco

Sun 3/22

6:05 am-8:21 am

Nonstop2h 16m

$117

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Fri 1/23

2:02 pm-8:29 pm

1 stop6h 27m

San Francisco

Sun 1/25

10:30 am-12:53 pm

Nonstop2h 23m

$127

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 2/18

5:59 pm-11:04 pm

1 stop5h 05m

San Francisco

Sat 2/21

10:25 am-12:43 pm

Nonstop2h 18m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

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

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Washington 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 Washington to San Francisco

What is the cheapest month to book a flight from State of Washington to San Francisco?

Currently, July is the cheapest month in which you can book a flight from State of Washington to San Francisco (average of $78). Flying from State of Washington to San Francisco in April is currently the most expensive (average of $108). 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 WA to SFO?

Find hourly flight availability from Washington to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 26, 2025.

When flying from State of Washington to San Francisco, 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 22% versus a flight in the morning.

What is the cheapest day to fly from State of Washington to San Francisco?

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

Travelers seeking maximum savings on their State of Washington to San Francisco flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from State of Washington to San Francisco

Explore weekly flight availability from Washington to San Francisco. 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 December 26, 2025.

The most flights from USWA to SFO are scheduled on a Friday (92 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 on average).

Related info for your journey

Find useful and relevant information for your journey from Washington to San Francisco. 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 San Francisco from Washington?

    If you book a flight to San Francisco from Washington, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco.

  • How popular is this State of Washington to San Francisco flight route?

    Flights from Washington to San Francisco have been viewed 118 times in the past calendar month.

  • How long is the flight from State of Washington to San Francisco?

    There are many flights that can get you from State of Washington to San Francisco in 2h 10m. Fly via Delta, United Airlines, or Alaska Airlines to get the fastest option. The distance between State of Washington and San Francisco is about 679 mi. All flights are typically nonstop.

  • What are the most popular routes from State of Washington to San Francisco?

    The most popular route from State of Washington to San Francisco is Seattle/Tacoma Intl - San Francisco. You may also consider Everett Paine Field - San Francisco or Portland - San Francisco.

  • What are the most reliable airlines from State of Washington to San Francisco?

    Before booking your flight to San Francisco from State of Washington, check out the most reliable airlines to get you to your destination on time: Air New Zealand (81%), Qantas Airways (81%), Fiji Airways( 81%).

  • What are the cheapest flights from State of Washington to San Francisco?

    The cheapest flight price from State of Washington to San Francisco is $58. On average you can expect to pay $797. The most popular route, (Seattle/Tacoma Intl - San Francisco), can usually be booked for $97.

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

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

  • How can I find direct flights from Washington to San Francisco?

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

  • Can I find deals for business class flights from Washington to San Francisco?

    Yes. Cheapflights offers flight deals from Washington to San Francisco 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 State of Washington to San Francisco?

    Currently, July is the cheapest month in which you can book a flight from State of Washington to San Francisco (average of $78). Flying from State of Washington to San Francisco in April is currently the most expensive (average of $108). 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?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Redwood City
Sunnyvale
San Bruno
Daly City
Santa Clara
San Carlos
Vallejo
Hollister
San Ramon
Foster City
Union City
Davis
Emeryville

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Alternative routes for Washington to San Francisco

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Top 7 airlines flying from Washington to San Francisco

Discover the top 7 airlines that operate flights from Washington to San Francisco. 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 December 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$94Average$126FlexibilityNo cancel feeOn-time88%
Hawaiian AirlinesCheapest$98Average$228FlexibilityNo cancel feeOn-time85%
DeltaCheapest$98Average$226FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$100Average$209FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$118Average$277FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$125Average$318FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$227Average$386FlexibilityNo cancel feeOn-time71%

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