IAD - SFO

£90 Find Cheap Flights from Washington Dulles Airport 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 Dulles Intl to San Francisco departing on 17/5. 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.
1 adult

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
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 26% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheap Flight Deals from Dulles Intl to San Francisco (IAD-SFO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Dulles Intl 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 Dulles Intl to San Francisco

KAYAK's recommended return flight deals from the most popular airlines that fly from Dulles Intl to San Francisco.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
Frontier Logo
15:32 - 22:22IAD-SFO
9h 50m1 stop
Frontier Logo
21:59 - 16:36SFO-IAD
15h 37m1 stop
£165Frontier
Find Deal
Thu, 15 May - Sun, 18 May
Hawaiian Airlines Logo
19:59 - 22:50IAD-SFO
5h 51mdirect
Hawaiian Airlines Logo
21:41 - 05:55SFO-IAD
5h 14mdirect
£178Hawaiian Airlines
Find Deal
Sat, 17 May - Sat, 24 May
Alaska Airlines Logo
17:14 - 23:53IAD-SFO
9h 39m1 stop
Alaska Airlines Logo
21:41 - 05:55SFO-IAD
5h 14mdirect
£186Alaska Airlines
Find Deal
Tue, 20 May - Tue, 27 May
United Airlines Logo
06:30 - 09:18IAD-SFO
5h 48mdirect
United Airlines Logo
16:31 - 00:45SFO-IAD
5h 14mdirect
£196United Airlines
Find Deal
Sat, 7 Jun - Sat, 14 Jun
Alaska Airlines Logo
19:59 - 22:50IAD-SFO
5h 51mdirect
Alaska Airlines Logo
21:41 - 05:55SFO-IAD
5h 14mdirect
£201Alaska Airlines
Find Deal
Tue, 20 May - Tue, 27 May
Sun Country Air Logo
12:40 - 17:14IAD-SFO
7h 34m1 stop
Sun Country Air Logo
23:59 - 11:43SFO-IAD
8h 44m1 stop
£214Sun Country Air
Find Deal
Wed, 11 Jun - Sun, 15 Jun
United Airlines Logo
08:30 - 11:27IAD-SFO
5h 57mdirect
United Airlines Logo
06:30 - 14:48SFO-IAD
5h 18mdirect
£220United Airlines
Find Deal
Wed, 21 May - Thu, 22 May
Southwest Logo
14:50 - 22:55IAD-SFO
11h 05m2 stops
Southwest Logo
05:15 - 16:45SFO-IAD
8h 30m1 stop
£235Southwest
Find Deal
Wed, 14 May - Wed, 21 May
Southwest Logo
07:50 - 18:45IAD-SFO
13h 55m2 stops
Southwest Logo
05:15 - 16:45SFO-IAD
8h 30m1 stop
£248Southwest
Find Deal
Tue, 20 May - Wed, 21 May
Sun Country Air Logo
12:16 - 22:53IAD-SFO
13h 37m1 stop
Sun Country Air Logo
18:14 - 11:43SFO-IAD
14h 29m1 stop
£275Sun Country Air
Find Deal
Fri, 20 Jun - Tue, 24 Jun

Expert advice for your flight from Dulles Intl 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

Arrive early at IAD as security queues can be long. Plan your route using an airport map to navigate efficiently.

Read more about IADby Stefanie Waldek
SFO

For a quick city transfer, use BART from SFO. It's affordable and connects to popular areas like the Mission and Embarcadero.

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

KAYAK's insights & trends for Dulles Intl to San Francisco flights

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

What’s the cheapest day of the week to fly from Washington Dulles Airport to San Francisco?

The average price of all round-trip flights from Washington, D.C. Dulles Intl Airport to San Francisco clicked on KAYAK for each day over the last 12 months.
If your flying dates are flexible, you should consider flying to San Francisco on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Friday is the most expensive day to fly from Washington Dulles Airport to San Francisco. For your return ticket, we recommend flying on a Thursday and avoiding Saturdays for the best deals.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport 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. Dulles Intl Airport to San Francisco is February, where tickets cost £314 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is £410 and £374 respectively.

Can I save money by flying with a stopover from Washington, D.C. Dulles Intl Airport 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 £462, prices are generally cheapest when you fly direct.

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

Low season

January

High season

May

Cheapest flight

£90
Best time to beat the crowds (4% less expensive on average)
Most popular time to fly and prices are also 3% lower on average.
Flight from Washington Dulles Airport to San Francisco

When to book flights from Dulles Intl to San Francisco

Are your dates flexible? Find out the best times to travel from Dulles Intl 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 Dulles Intl to San Francisco: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from Dulles Intl to San Francisco 
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 Washington Dulles Airport to San Francisco flights

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

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to San Francisco was £119 for a one-way ticket and £219 for a return.

  • Which airports will I be using when flying from Washington Dulles Airport to San Francisco?

    On your way to San Francisco, you’ll fly out from Washington, D.C. Dulles Intl. You’ll be landing at San Francisco.

  • Which airlines offer Wi-Fi service onboard planes from Washington Dulles Airport to San Francisco?

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

  • Which aircraft models fly most regularly from Washington Dulles Airport to San Francisco?

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

  • Which airline alliances offer flights from Washington Dulles Airport to San Francisco?

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

  • On which days can I fly direct from Washington Dulles Airport to San Francisco?

    There are direct flights from Washington Dulles Airport to San Francisco on a daily basis.

  • How does KAYAK find such low prices on flights from Washington Dulles Airport 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 Dulles Airport to San Francisco.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport 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 Dulles Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport 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 Dulles Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport 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 Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

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

  • Looking for a cheap flight from San Francisco to Washington Dulles Airport? 25% of our users found flights on this route for £280 or less one-way.

Prefer to fly direct from Washington Dulles Airport to San Francisco?

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

Direct departures

Washington, D.C. Dulles Intl to San Francisco

Monday

Air New Zealand, Alaska Airlines, American Airlines, +12 more

Air New Zealand, Alaska Airlines, +13 more

Tuesday

Air New Zealand, Alaska Airlines, American Airlines, +15 more

Air New Zealand, Alaska Airlines, +16 more

Wednesday

Air China, Air New Zealand, Alaska Airlines, +14 more

Air China, Air New Zealand, +15 more

Thursday

Air New Zealand, Alaska Airlines, American Airlines, +15 more

Air New Zealand, Alaska Airlines, +16 more

Friday

Air New Zealand, Alaska Airlines, American Airlines, +13 more

Air New Zealand, Alaska Airlines, +14 more

Saturday

Air China, Air New Zealand, Alaska Airlines, +15 more

Air China, Air New Zealand, +16 more

Sunday

Air New Zealand, Alaska Airlines, American Airlines, +14 more

Air New Zealand, Alaska Airlines, +15 more

See more direct flights

Direct returns

San Francisco to Washington, D.C. Dulles Intl

Monday

Air New Zealand, Alaska Airlines, American Airlines, +13 more

Air New Zealand, Alaska Airlines, +14 more

Tuesday

Air New Zealand, Alaska Airlines, American Airlines, +15 more

Air New Zealand, Alaska Airlines, +16 more

Wednesday

Air China, Air New Zealand, Alaska Airlines, +14 more

Air China, Air New Zealand, +15 more

Thursday

Air New Zealand, Alaska Airlines, American Airlines, +15 more

Air New Zealand, Alaska Airlines, +16 more

Friday

Air New Zealand, Alaska Airlines, American Airlines, +13 more

Air New Zealand, Alaska Airlines, +14 more

Saturday

Air China, Air New Zealand, Alaska Airlines, +15 more

Air China, Air New Zealand, +16 more

Sunday

Air New Zealand, Alaska Airlines, American Airlines, +14 more

Air New Zealand, Alaska Airlines, +15 more

See more direct flights
See more direct flights

Everything you need to know for your flight from Dulles Intl to San Francisco

Information on your arrival and departure airports

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.