Cheap flights from Washington, D.C. Dulles Intl Airport to San Francisco from £153

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SFO
13 Jun — 20 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dulles Intl to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Dulles Intl to San Francisco
Explore the most affordable flight options available from Dulles Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 May 2026.

Wed 3/609:12
IAD
-
SFO
1 stop8h 14m
Frontier
Sat 6/622:50
SFO
-
IAD
1 stop30h 22m
Frontier
Deal found 11/5£253
Sun 21/609:55
IAD
-
SFO
1 stop25h 56m
Frontier
Thu 25/600:32
SFO
-
IAD
1 stop12h 01m
Frontier
Deal found 11/5£268
Wed 9/907:00
IAD
-
SFO
1 stop17h 39m
Alaska Airlines
Wed 16/909:00
SFO
-
IAD
1 stop11h 59m
Alaska Airlines
Deal found 9/5£311
Fri 24/722:21
IAD
-
SFO
Nonstop5h 54m
United Airlines
Mon 27/716:34
SFO
-
IAD
Nonstop5h 21m
United Airlines
Deal found 13/5£316
Tue 29/907:00
IAD
-
SFO
1 stop9h 03m
Alaska Airlines
Tue 6/1014:55
SFO
-
IAD
2 stops11h 45m
Alaska Airlines
Deal found 11/5£319
Wed 9/907:00
IAD
-
SFO
1 stop10h 27m
Alaska Airlines
Sun 13/907:05
SFO
-
IAD
1 stop8h 09m
Alaska Airlines
Deal found 13/5£321
Wed 29/711:58
IAD
-
SFO
1 stop9h 01m
American Airlines
Fri 31/723:20
SFO
-
IAD
1 stop8h 48m
American Airlines
Deal found 11/5£325
Wed 14/1007:00
IAD
-
SFO
2 stops12h 46m
Alaska Airlines
Tue 20/1009:00
SFO
-
IAD
2 stops17h 40m
Alaska Airlines
Deal found 13/5£328
Wed 23/907:00
IAD
-
SFO
2 stops16h 46m
Alaska Airlines
Sun 27/917:20
SFO
-
IAD
1 stop21h 54m
Alaska Airlines
Deal found 13/5£329
Fri 23/1012:00
IAD
-
SFO
1 stop8h 18m
Delta
Sun 25/1013:05
SFO
-
IAD
1 stop7h 46m
Delta
Deal found 12/5£331
Sat 4/706:00
IAD
-
SFO
1 stop7h 45m
Delta
Fri 10/707:50
SFO
-
IAD
1 stop7h 40m
Delta
Deal found 11/5£332

Find flight deals from Dulles Intl to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 May 2026.

Round-trip from

£253

One-way from

£153

Popular in

March

Cheapest in

February

Average price

£370
Frontier
  • Frontier
  • 3/6-6/6
  • 2 total stops
  • 38h 36m total
  • Washington, D.C. to San Francisco
Alaska Airlines
  • Alaska Airlines
  • 2/6
  • 2 total stops
  • 15h 01m total
  • Washington, D.C. to San Francisco
Highest demand for flights based on searches. 3% potential increase in price (£9 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dulles Intl 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 858,174 searches. Data last updated 14 May 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 10/11

10:05-13:11

Nonstop6h 06m

San Francisco

Mon 16/11

16:48-01:17

Nonstop5h 29m

£316

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Fri 5/6

08:30-11:09

Nonstop5h 39m

San Francisco

Wed 10/6

13:58-22:16

Nonstop5h 18m

£316

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Sat 25/7

17:25-22:49

1 stop8h 24m

San Francisco

Sat 1/8

10:35-00:03

1 stop10h 28m

£331

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Thu 24/9

07:00-15:56

1 stop11h 56m

San Francisco

Sun 27/9

17:20-18:14

1 stop21h 54m

£331

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Fri 23/10

19:24-09:37

1 stop17h 13m

San Francisco

Sun 25/10

18:29-17:53

1 stop20h 24m

£331
Fastest return journey

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Sat 11/7

06:30-09:12

Nonstop5h 42m

San Francisco

Tue 14/7

13:15-21:25

Nonstop5h 10m

£397

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 12/8

09:45-12:30

Nonstop5h 45m

San Francisco

Thu 20/8

16:35-00:57

Nonstop5h 22m

£397

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Fri 23/10

14:36-17:40

Nonstop6h 04m

San Francisco

Sun 25/10

22:55-07:25

Nonstop5h 30m

£397

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 28/7

08:35-11:19

Nonstop5h 44m

San Francisco

Sat 1/8

21:30-05:53

Nonstop5h 23m

£397

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 3/6

14:51-17:38

Nonstop5h 47m

San Francisco

Sat 6/6

16:34-00:55

Nonstop5h 21m

£398

Flights are sorted by cheapest return flights first.

Deals found on 13/5

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Dulles Intl to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Dulles Intl with our price prediction graph.
Estimated return 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, D.C. Dulles Intl Airport to San Francisco

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

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 88 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Francisco (average of £278). Flying from Washington, D.C. Dulles Intl Airport to San Francisco in March is currently the most expensive (average of £412). 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 IAD to SFO?

Find hourly flight availability from Dulles Intl 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 14 May 2026.

When flying from Washington, D.C. Dulles Intl Airport to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Washington, D.C. Dulles Intl Airport to San Francisco?

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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, D.C. Dulles Intl?

    Most people fly into San Francisco (SFO) if they book a flight to San Francisco from Washington, D.C. Dulles Intl. On average, San Francisco has 30 inbound flights from Washington, D.C. Dulles Intl per day from 0 airlines. San Francisco is conveniently located just 11.0 mi from San Francisco’s city center.

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

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to San Francisco in 5h 48m. Fly via United Airlines to get the fastest option. The distance from Washington, D.C. Dulles Intl Airport to San Francisco is about 2412 mi. Generally, flights for this route are direct.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to San Francisco?

    Consider Egyptair (91%), ITA Airways (86%) or Air New Zealand (86%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to San Francisco.

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

    Yes. In addition to deals on Dulles Intl to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to San Francisco (average of £278). Flying from Washington, D.C. Dulles Intl Airport to San Francisco in March is currently the most expensive (average of £412). 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

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Newark
San Bruno
Bodega Bay
South San Francisco
Sunnyvale

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When you search for this flight from Dulles Intl to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to San Francisco?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Francisco from Dulles Intl.

Can Cheapflights find flights from Dulles Intl to San Francisco with no change fees?

Certainly. Search results for flights to San Francisco from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Dulles Intl to San Francisco become cheaper?

Not ready to book yet? You can track prices for flights from Dulles Intl to San Francisco on Cheapflights with our Price Alert feature and get notified when better prices are available.

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