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Cheap flights from San Francisco to Washington, D.C. Dulles Intl Airport from ₹ 18,657

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 30/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IAD
5 Aug — 12 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Francisco to Washington, D.C. Dulles Intl are usually found in February or October, booked 42 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from San Francisco to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to Dulles Intl
Explore the most affordable flight options available from San Francisco to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 July 2026.

Sat 3/1022:59
SFO
-
IAD
1 stop8h 22m
Delta
Tue 6/1012:31
IAD
-
SFO
1 stop10h 06m
Delta
Deal found 3/7₹ 35,887
Fri 18/921:30
SFO
-
IAD
Nonstop5h 25m
United Airlines
Sat 19/909:45
IAD
-
SFO
Nonstop5h 45m
United Airlines
Deal found 2/7₹ 36,363
Thu 17/923:14
SFO
-
IAD
Nonstop5h 21m
United Airlines
Tue 22/914:47
IAD
-
SFO
Nonstop5h 48m
United Airlines
Deal found 2/7₹ 36,839
Wed 9/907:08
SFO
-
IAD
1 stop8h 06m
Alaska Airlines
Mon 14/907:00
IAD
-
SFO
1 stop30h 59m
Alaska Airlines
Deal found 2/7₹ 37,029
Wed 14/1023:10
SFO
-
IAD
Nonstop5h 21m
United Airlines
Sun 18/1006:35
IAD
-
SFO
Nonstop5h 48m
United Airlines
Deal found 4/7₹ 37,315
Mon 12/1010:35
SFO
-
IAD
1 stop28h 18m
Alaska Airlines
Sat 17/1007:00
IAD
-
SFO
1 stop10h 27m
Alaska Airlines
Deal found 2/7₹ 37,600
Tue 29/910:50
SFO
-
IAD
Nonstop5h 19m
United Airlines
Wed 30/912:45
IAD
-
SFO
Nonstop5h 48m
United Airlines
Deal found 2/7₹ 37,790
Mon 17/821:30
SFO
-
IAD
Nonstop5h 25m
United Airlines
Sat 22/809:45
IAD
-
SFO
Nonstop5h 45m
United Airlines
Deal found 1/7₹ 38,266
Mon 7/908:25
SFO
-
IAD
1 stop30h 49m
Alaska Airlines
Mon 14/907:00
IAD
-
SFO
1 stop30h 59m
Alaska Airlines
Deal found 2/7₹ 38,742
Wed 19/806:00
SFO
-
IAD
1 stop9h 14m
Alaska Airlines
Tue 25/807:00
IAD
-
SFO
1 stop10h 27m
Alaska Airlines
Deal found 3/7₹ 39,028
Tue 13/1022:13
SFO
-
IAD
2 stops22h 46m
Alaska Airlines
Sat 17/1007:00
IAD
-
SFO
1 stop10h 27m
Alaska Airlines
Deal found 2/7₹ 39,123
Fri 16/1007:05
SFO
-
IAD
1 stop7h 48m
Alaska Airlines
Wed 28/1009:35
IAD
-
SFO
1 stop9h 26m
Alaska Airlines
Deal found 6/7₹ 39,218

Find flight deals from San Francisco to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Dulles Intl (IAD). 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 6 July 2026.

Round-trip from

₹ 35,887

One-way from

₹ 18,657

Popular in

June

Cheapest in

February

Average price

₹ 50,165

Good one-way deal

₹ 23,025 or less
Delta
  • Delta
  • 13/10-27/10
  • 2 total stops
  • 14h 50m total
  • San Francisco to Washington, D.C.
Search Deals
Frontier
  • Frontier
  • 30/7
  • 1 total stop
  • 8h 20m total
  • San Francisco to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (₹ 619,820 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 78,400 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a one-way flight from San Francisco to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Francisco to Dulles Intl 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 454,620 searches. Data last updated 6 July 2026.
Use the filters below to find and compare flights from San Francisco to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sun 1/11

23:45-11:32

1 stop8h 47m

Washington, D.C. Dulles Intl

Wed 11/11

07:15-12:30

1 stop8h 15m

₹ 39,218
Fastest return journey

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sat 22/8

13:15-21:22

Nonstop5h 07m

Washington, D.C. Dulles Intl

Sat 29/8

08:35-11:12

Nonstop5h 37m

₹ 40,646

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Thu 1/10

16:51-01:13

Nonstop5h 22m

Washington, D.C. Dulles Intl

Sun 4/10

22:10-00:59

Nonstop5h 49m

₹ 40,646

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 13/10

22:30-09:12

1 stop7h 42m

Washington, D.C. Dulles Intl

Sun 18/10

07:09-13:12

1 stop9h 03m

₹ 41,122

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Thu 15/10

16:51-01:13

Nonstop5h 22m

Washington, D.C. Dulles Intl

Sun 18/10

06:35-09:23

Nonstop5h 48m

₹ 44,168

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Thu 16/7

16:34-00:55

Nonstop5h 21m

Washington, D.C. Dulles Intl

Thu 30/7

22:21-01:15

Nonstop5h 54m

₹ 49,689

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 28/7

16:34-00:55

Nonstop5h 21m

Washington, D.C. Dulles Intl

Tue 4/8

22:21-01:15

Nonstop5h 54m

₹ 51,117

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Fri 28/8

21:30-05:55

Nonstop5h 25m

Washington, D.C. Dulles Intl

Sun 30/8

18:35-21:28

Nonstop5h 53m

₹ 51,117

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Thu 23/7

07:55-18:45

1 stop7h 50m

Washington, D.C. Dulles Intl

Wed 29/7

19:53-09:52

1 stop16h 59m

₹ 52,545

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sat 17/10

07:00-20:49

1 stop10h 49m

Washington, D.C. Dulles Intl

Tue 20/10

09:45-12:30

Nonstop5h 45m

₹ 53,306

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 22 resultsSorted by cheapest first
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2
3

Best time to book a flight from San Francisco to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from San Francisco 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 San Francisco to Washington, D.C. Dulles Intl Airport

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

The price you pay for your flight from San Francisco to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 41 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 San Francisco to Washington, D.C. Dulles Intl Airport?

Currently, February is the cheapest month in which you can book a flight from San Francisco to Washington, D.C. Dulles Intl Airport (average of ₹ 36,743). Flying from San Francisco to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of ₹ 55,210). 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 SFO to IAD?

Find hourly flight availability from San Francisco to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 July 2026.

When flying from San Francisco to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 77% versus a flight in the evening.

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

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Dulles Intl. 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 from for flights from San Francisco to Washington, D.C. Dulles Intl?

    San Francisco (SFO) is the airport you will fly out of if you book a flight from San Francisco to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from San Francisco; the airport handles an average of 23 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the San Francisco airport to Washington, D.C. Dulles Intl. It is only a 17.7 km journey to San Francisco (SFO) from San Francisco’s city centre.

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

    Airlines like Alaska Airlines, Delta, and United Airlines fly from San Francisco to Washington, D.C. Dulles Intl Airport in about 5h 22m. The time it takes to get you to your destination can typically vary by up to 3h 25m. San Francisco and Washington, D.C. Dulles Intl Airport are separated by a distance of 3882 km. This flight may include one or multiple stops.

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

    Before booking your flight to Washington, D.C. Dulles Intl Airport from San Francisco, have a look at the most reliable airlines to get you to your destination on time: ITA Airways (100%), Austrian Airlines (85%), Brussels Airlines( 85%).

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

    The cheapest flight price from San Francisco to Washington, D.C. Dulles Intl Airport is ₹ 23,025. On average you can expect to pay ₹ 50,356. The most popular route, (San Francisco - Washington, D.C. Dulles Intl), can usually be booked for ₹ 42,550.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from San Francisco to Washington, D.C. Dulles Intl Airport (average of ₹ 36,743). Flying from San Francisco to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of ₹ 55,210). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
College Park
National Harbor

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Yes, we can. To see specific flights from San Francisco to Dulles Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dulles Intl from San Francisco today and book when prices fit your budget.

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