WAS - SFO

£74 Find Cheap Flights from Washington, D.C. to San Francisco

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to San Francisco departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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KAYAK searches hundreds of travel sites at once for deals on flights to San Francisco

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to San Francisco, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to San Francisco, as well as popular online travel agencies
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Flights Deals

Cheap Flight Deals from Washington, D.C. to San Francisco (WAS-SFO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Washington, D.C. to San Francisco that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Washington, D.C. to San Francisco

KAYAK's recommended return flight deals from the most popular airlines that fly from Washington, D.C. to San Francisco.
Discover the best prices for you by selecting your travel dates on KAYAK.
Alaska Airlines Logo
19:59 - 22:50IAD-SFO
5h 51mdirect
Alaska Airlines Logo
21:41 - 05:55SFO-IAD
5h 14mdirect
£147Alaska Airlines
Find Deal
Tue, 3 Jun - Tue, 10 Jun
United Airlines Logo
07:00 - 09:50DCA-SFO
5h 50mdirect
United Airlines Logo
13:08 - 21:12SFO-DCA
5h 04mdirect
£147United Airlines
Find Deal
Wed, 28 May - Wed, 4 Jun
Hawaiian Airlines Logo
17:14 - 23:53IAD-SFO
9h 39m1 stop
Hawaiian Airlines Logo
21:41 - 05:55SFO-IAD
5h 14mdirect
£155Hawaiian Airlines
Find Deal
Tue, 3 Jun - Tue, 10 Jun
Frontier Logo
07:30 - 17:51IAD-SFO
13h 21m1 stop
Frontier Logo
06:00 - 06:10SFO-IAD
21h 10m1 stop
£157Frontier
Find Deal
Mon, 2 Jun - Wed, 4 Jun
Frontier Logo
07:31 - 12:41IAD-SFO
8h 10m1 stop
Frontier Logo
14:53 - 06:31SFO-IAD
12h 38m1 stop
£164Frontier
Find Deal
Thu, 15 May - Sun, 18 May
Hawaiian Airlines Logo
17:14 - 23:53IAD-SFO
9h 39m1 stop
Hawaiian Airlines Logo
07:24 - 18:25SFO-IAD
8h 01m1 stop
£177Hawaiian Airlines
Find Deal
Sat, 24 May - Wed, 28 May
 Logo
18:00 - 00:29DCA-SFO
9h 29m1 stop
 Logo
07:24 - 21:05SFO-DCA
10h 41m1 stop
Mon, 2 Jun - Wed, 4 Jun
JetBlue Logo
17:45 - 00:46DCA-SFO
10h 01m1 stop
JetBlue Logo
22:10 - 09:41SFO-DCA
8h 31m1 stop
£194JetBlue
Find Deal
Mon, 30 Jun - Mon, 7 Jul
 Logo
07:30 - 17:51IAD-SFO
13h 21m1 stop
 Logo
08:39 - 23:59SFO-IAD
12h 20m2 stops
Mon, 2 Jun - Wed, 4 Jun
JetBlue Logo
17:15 - 23:32DCA-SFO
9h 17m1 stop
JetBlue Logo
07:00 - 20:51SFO-DCA
10h 51m1 stop
£207JetBlue
Find Deal
Thu, 18 Sep - Tue, 23 Sep
Expert advice

Expert advice for your flight from Washington, D.C. to San Francisco

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are specific to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airports
IAD

For a smooth departure from IAD, use the AeroTrain to quickly navigate between terminals. It's a 24-hour service connecting main terminal with Concourses A, B, and C.

Read more about IADby Stefanie Waldek
SFO

Upon arrival at SFO, consider using BART for a cost-effective ride to downtown San Francisco. It's accessible from the International Terminal.

Read more about SFOby Blane Bachelor
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on SFO

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specialising in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favourite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on IAD

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or out at sea, likely en route to Antarctica or the Arctic.

Read more
Useful Info

KAYAK's insights & trends for Washington, D.C. to San Francisco flights

Get data-powered insights and trends into flights from Washington, D.C. to San Francisco to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Washington, D.C. to San Francisco flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for round-trip flights from Washington, D.C. to San Francisco.

Our data shows that the cheapest route for a return flight from Washington, D.C. to San Francisco cost £239 and was between Baltimore (BWI) and San Francisco (SFO). On average, the best prices are found if you fly this route. The average price for a return flight for this route is £239.

What’s the cheapest day of the week to fly from Washington, D.C. to San Francisco?

The average price of all round-trip flights from Washington, D.C. to San Francisco clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Washington, D.C. to San Francisco, look for departures on Thursdays and avoid leaving on a Friday, as it's usually the priciest day. When flying back from San Francisco, Thursday is the cheapest day to fly and Saturday is the most expensive.

What is the cheapest month to fly from Washington, D.C. to San Francisco?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Washington, D.C. to San Francisco, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Washington, D.C. to San Francisco is February, where tickets cost £290 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is £391 and £386 respectively.

Can I save money by flying with a stopover from Washington, D.C. to San Francisco?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of £436, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Washington, D.C. to San Francisco?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Washington, D.C. to San Francisco, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Washington, D.C. to San Francisco, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.


Good to know - Cheap tickets from Washington, D.C. to San Francisco

Low seasonFebruary
High seasonMay
Cheapest flight£74
Best time to beat the crowds (13% less expensive on average)
Most popular time to fly and prices are also 0% lower on average.
Flight from Washington Dulles Airport to San Francisco

When to book flights from Washington, D.C. to San Francisco

Are your dates flexible? Find out the best times to travel from Washington, D.C. to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Flights from Washington, D.C. to San Francisco: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Washington, D.C. to San Francisco 
Verified travelerFlew with Alaska AirlinesDCA-SFOJan 2025
Bring your own entertainment. Depend on them for reliability and your flight to get you there on time if not early.
Verified travelerFlew with Alaska AirlinesDCA-SFOJan 2025
Reserve your plane seat & bring something to eat in the plane.
NoamFlew with Alaska AirlinesIAD-SFOAug 2024
Flying to the Ronald Reagan airport is closer and faster to D.C. than the Dulles airport.
Verified travelerFlew with Alaska AirlinesIAD-SFOJul 2024
I would recommend Alaska Airlines. The amenities and comfort was great.

FAQs for booking flights from Washington, D.C. to San Francisco

  • What is the cheapest flight from Washington, D.C. to San Francisco?

    In the last 3 days, the lowest price for a flight from Washington, D.C. to San Francisco was £99 for a one-way ticket and £197 for a return.

  • Which airports will I be using when flying from Washington, D.C. to San Francisco?

    Washington, D.C. is served by 2 major airports and there is only 1 main airport in San Francisco. You will leave Washington, D.C. from one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be arriving at San Francisco.

  • Which airlines offer Wi-Fi service onboard planes from Washington, D.C. to San Francisco?

    Alaska Airlines, and Hawaiian Airlines offer inflight Wi-Fi service on the Washington, D.C. to San Francisco flight route.

  • Which aircraft models fly most regularly from Washington, D.C. to San Francisco?

    The Boeing 737 MAX 9 is the aircraft model that flies most regularly on the Washington, D.C. to San Francisco flight route.

  • Which airline alliances offer flights from Washington, D.C. to San Francisco?

    oneworld, and Star Alliance are the airline alliances operating flights between Washington, D.C. and San Francisco, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from Washington, D.C. to San Francisco?

    There are direct flights from Washington, D.C. to San Francisco on a daily basis.

  • How does KAYAK find such low prices on flights from Washington, D.C. to San Francisco?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to San Francisco.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to San Francisco?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to San Francisco?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to San Francisco with an airline and back to Washington, D.C. with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to San Francisco?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Washington, D.C. to San Francisco

  • Looking for a cheap flight from San Francisco to Washington, D.C.? 25% of our users found flights on this route for £168 or less one-way.

Prefer to fly direct from Washington, D.C. to San Francisco?

Find which airlines fly direct from Washington, D.C. to San Francisco Airport, which days they fly and book direct flights.

Direct departures

Washington, D.C. to San Francisco

Monday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Tuesday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Wednesday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Thursday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Friday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Saturday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Sunday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

See more direct flights

Direct returns

San Francisco to Washington, D.C.

Monday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Tuesday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Wednesday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Thursday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Friday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Saturday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Sunday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

See more direct flights
See more direct flights

Everything you need to know for your flight from Washington, D.C. to San Francisco

Information on your arrival and departure airports

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