Cheap flights from Washington, D.C. Dulles Intl Airport to San Francisco from £160

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SFO
2 Jun — 9 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 3 May 2026.

Wed 3/609:12
IAD
-
SFO
1 stop10h 29m
Frontier
Sat 6/615:21
SFO
-
IAD
2 stops13h 51m
Frontier
Deal found 30/4£262
Fri 28/806:00
IAD
-
SFO
1 stop7h 37m
Delta
Tue 1/913:05
SFO
-
IAD
1 stop7h 50m
Delta
Deal found 28/4£305
Tue 30/608:33
IAD
-
SFO
Nonstop5h 47m
United Airlines
Wed 8/722:35
SFO
-
IAD
Nonstop5h 23m
United Airlines
Deal found 28/4£307
Sun 7/611:07
IAD
-
SFO
1 stop11h 50m
Frontier
Mon 15/620:45
SFO
-
IAD
2 stops10h 37m
Frontier
Deal found 2/5£310
Tue 26/519:37
IAD
-
SFO
1 stop18h 12m
Alaska Airlines
Wed 27/512:33
SFO
-
IAD
2 stops16h 01m
Alaska Airlines
Deal found 29/4£313
Wed 17/622:21
IAD
-
SFO
Nonstop5h 54m
United Airlines
Tue 23/623:05
SFO
-
IAD
Nonstop5h 25m
United Airlines
Deal found 29/4£317
Tue 2/606:00
IAD
-
SFO
2 stops15h 01m
Alaska Airlines
Wed 3/606:16
SFO
-
IAD
2 stops14h 43m
Alaska Airlines
Deal found 30/4£319
Wed 23/907:00
IAD
-
SFO
1 stop17h 39m
Alaska Airlines
Sun 27/921:13
SFO
-
IAD
1 stop18h 01m
Alaska Airlines
Deal found 28/4£320
Wed 3/606:00
IAD
-
SFO
1 stop11h 04m
Alaska Airlines
Tue 9/606:16
SFO
-
IAD
2 stops22h 18m
Alaska Airlines
Deal found 29/4£320
Thu 24/907:00
IAD
-
SFO
1 stop9h 03m
Alaska Airlines
Sun 27/921:13
SFO
-
IAD
1 stop18h 01m
Alaska Airlines
Deal found 28/4£322
Wed 23/907:00
IAD
-
SFO
2 stops14h 26m
Alaska Airlines
Fri 2/1007:05
SFO
-
IAD
1 stop8h 09m
Alaska Airlines
Deal found 28/4£328

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 3 May 2026.

Round-trip from

£262

One-way from

£160

Popular in

March

Cheapest in

February

Average price

£312
Frontier
  • Frontier
  • 3/6-6/6
  • 3 total stops
  • 24h 20m total
  • Washington, D.C. to San Francisco
Alaska Airlines
  • Alaska Airlines
  • 3/6
  • 2 total stops
  • 15h 01m total
  • Washington, D.C. to San Francisco
Highest demand for flights based on searches. 5% potential increase in price (£14 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 3 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

Mon 8/6

09:45-12:37

Nonstop5h 52m

San Francisco

Sat 13/6

14:10-22:31

Nonstop5h 21m

£322

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 19/5

19:37-09:33

1 stop16h 56m

San Francisco

Tue 26/5

16:44-17:42

1 stop21h 58m

£322

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Mon 1/6

19:38-00:46

1 stop8h 08m

San Francisco

Fri 5/6

21:55-09:48

1 stop8h 53m

£322

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Mon 31/8

19:29-08:46

1 stop16h 17m

San Francisco

Thu 3/9

07:05-18:14

1 stop8h 09m

£322

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Sun 24/5

06:00-14:04

1 stop11h 04m

San Francisco

Wed 27/5

12:33-07:34

2 stops16h 01m

£349

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Fri 12/6

19:39-00:45

1 stop8h 06m

San Francisco

Mon 15/6

00:40-10:52

1 stop7h 12m

£374

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Sun 14/6

22:21-01:15

Nonstop5h 54m

San Francisco

Fri 19/6

23:05-07:30

Nonstop5h 25m

£386

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Thu 25/6

08:35-11:19

Nonstop5h 44m

San Francisco

Mon 6/7

16:34-00:55

Nonstop5h 21m

£388
Fastest return journey

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Thu 28/5

06:30-09:12

Nonstop5h 42m

San Francisco

Thu 4/6

13:58-22:16

Nonstop5h 18m

£388

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 16/9

08:25-11:20

Nonstop5h 55m

San Francisco

Tue 22/9

14:20-22:43

Nonstop5h 23m

£388

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 21 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 63 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 £277). Flying from Washington, D.C. Dulles Intl Airport to San Francisco in March is currently the most expensive (average of £410). 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 3 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 6h 06m. Fly via United Airlines or Delta to get the fastest option. The distance from Washington, D.C. Dulles Intl Airport to San Francisco is about 2412 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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 £277). Flying from Washington, D.C. Dulles Intl Airport to San Francisco in March is currently the most expensive (average of £410). 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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How does Cheapflights help users find flights from Dulles Intl to San Francisco?

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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