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Cheap flights from Washington, D.C. Dulles Intl Airport to San Francisco from £159

IAD — SFO
10 Dec — 17 Dec1
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

Sat 21/1113:09 -
1 stop21h 40m
Sun 22/1119:11 -
1 stop6h 59m
Deal found 5/11£318
Mon 7/1207:00 -
1 stop9h 24m
Tue 5/106:05 -
1 stop9h 00m
Deal found 10/11£321
Tue 22/1220:51 -
2 stops23h 14m
Tue 29/1221:46 -
2 stops24h 05m
Deal found 7/11£322
Fri 11/1207:00 -
1 stop11h 47m
Fri 8/110:04 -
1 stop28h 46m
Deal found 5/11£323
Thu 10/1207:00 -
1 stop17h 48m
Fri 26/220:49 -
2 stops18h 25m
Deal found 9/11£324
Mon 14/1218:42 -
2 stops22h 09m
Wed 16/1212:11 -
1 stop26h 40m
Deal found 10/11£328
Thu 3/1215:00 -
2 stops11h 43m
Tue 8/1210:41 -
2 stops9h 42m
Deal found 6/11£330
Tue 8/1208:15 -
Nonstop6h 05m
Tue 15/1208:10 -
Nonstop4h 58m
Deal found 8/11£333
Sun 6/1212:00 -
2 stops11h 18m
Tue 8/1210:41 -
1 stop10h 50m
Deal found 10/11£334
Thu 3/1207:00 -
1 stop14h 07m
Tue 8/1219:04 -
2 stops19h 35m
Deal found 9/11£335
Mon 14/1207:00 -
1 stop14h 07m
Thu 7/106:40 -
1 stop8h 10m
Deal found 10/11£336

Find flight deals from Dulles Intl to San Francisco

Round-trip from

£318

One-way from

£159

Popular in

November

Cheapest in

February

Average price

£471
Frontier
  • Frontier
  • 21/11-22/11
  • 2 total stops
  • 28h 39m total
  • Washington, D.C. to San Francisco
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 1/3-31/12
  • 2 total stops
  • 20h 22m total
  • Washington, D.C. to San Francisco
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

 
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 Washington, D.C. Dulles Intl - SFO San Francisco

IADSFO

Washington, D.C. Dulles Intl

Tue 5/1

06:00-12:42

1 stop9h 42m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£175

Washington, D.C.San Francisco

IAD Washington, D.C. Dulles Intl - SFO San Francisco

IADSFO

Washington, D.C. Dulles Intl

Tue 19/1

08:15-11:24

Nonstop6h 09m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£182

Washington, D.C.San Francisco

IAD Washington, D.C. Dulles Intl - SFO San Francisco

IADSFO

Washington, D.C. Dulles Intl

Thu 28/1

07:17-12:50

1 stop8h 33m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£189

Washington, D.C.San Francisco

IAD Washington, D.C. Dulles Intl - SFO San Francisco

IADSFO

Washington, D.C. Dulles Intl

Mon 18/1

18:53-08:52

1 stop16h 59m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£193

Washington, D.C.San Francisco

IAD Washington, D.C. Dulles Intl - SFO San Francisco

IADSFO

Washington, D.C. Dulles Intl

Sun 13/12

14:35-17:46

Nonstop6h 11m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£197

Washington, D.C.San Francisco

IAD Washington, D.C. Dulles Intl - SFO San Francisco

IADSFO

Washington, D.C. Dulles Intl

Fri 25/12

06:00-09:11

Nonstop6h 11m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£197

Washington, D.C.San Francisco

IAD Washington, D.C. Dulles Intl - SFO San Francisco

IADSFO

Washington, D.C. Dulles Intl

Wed 2/12

22:19-01:30

Nonstop6h 11m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£212
Fastest return journey

Washington, D.C.San Francisco

IAD Washington, D.C. Dulles Intl - SFO San Francisco

IADSFO

Washington, D.C. Dulles Intl

Fri 27/11

06:15-09:19

Nonstop6h 04m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£212

Washington, D.C.San Francisco

IAD Washington, D.C. Dulles Intl - SFO San Francisco

IADSFO

Washington, D.C. Dulles Intl

Tue 5/1

14:34-17:44

Nonstop6h 10m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£230

Washington, D.C.San Francisco

IAD Washington, D.C. Dulles Intl - SFO San Francisco

IADSFO

Washington, D.C. Dulles Intl

Wed 16/12

22:19-01:30

Nonstop6h 11m

San Francisco

Wed 31/12

00:00-03:00

Nonstop0h 00m

£230

Flights are sorted by cheapest return flights first.

Deals found on 9/11

Showing 1-10 of 24 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

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 £301). Flying from Washington, D.C. Dulles Intl Airport to San Francisco in November is currently the most expensive (average of £471). 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?

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to San Francisco in the evening. Doing so could potentially save you 50% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to San Francisco flights typically cost between £368 and £626 in November.
The cheapest return price found within the last 5 days was £318 on Frontier (21 Nov–22 Nov).

Related info for your journey

  • 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 22 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 Alaska Airlines or United Airlines 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 (96%), Ethiopian Air (89%) or Air China (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 £301). Flying from Washington, D.C. Dulles Intl Airport to San Francisco in November is currently the most expensive (average of £471). 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
San Bruno
Roseville
Santa Cruz
Newark
Sunnyvale
Bodega Bay

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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.

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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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