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Cheap flights from San Francisco to Washington, D.C. Dulles Intl Airport from ₹ 13,405

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IAD
1 Feb — 8 Feb1
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 July or October, booked 83 days in advance, depart on a Monday or Thursday 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 2 January 2026.

Wed 31/1211:07SFO - IAD
Nonstop5h 11mUnited Airlines
Wed 31/1222:20IAD - SFO
1 stop26h 30mUnited Airlines
Deal found 31/12₹ 53,619
Wed 31/1209:25SFO - IAD
1 stop27h 51mUnited Airlines
Thu 1/118:37IAD - SFO
Nonstop6h 13mUnited Airlines
Deal found 31/12₹ 53,889
Wed 31/1207:25SFO - IAD
1 stop10h 50mUnited Airlines
Sat 10/108:15IAD - SFO
1 stop28h 28mUnited Airlines
Deal found 30/12₹ 70,442
Wed 31/1223:30SFO - IAD
1 stop7h 19mDelta
Sat 10/106:20IAD - SFO
1 stop9h 39mDelta
Deal found 31/12₹ 81,777
Wed 31/1207:25SFO - IAD
1 stop10h 50mUnited Airlines
Sat 3/122:05IAD - SFO
Nonstop6h 12mUnited Airlines
Deal found 30/12₹ 82,857
Wed 31/1205:50SFO - IAD
1 stop6h 55mSouthwest
Wed 31/1217:45IAD - SFO
1 stop7h 45mSouthwest
Deal found 31/12₹ 94,192
Wed 31/1211:07SFO - IAD
Nonstop5h 11mUnited Airlines
Mon 12/112:35IAD - SFO
Nonstop6h 00mUnited Airlines
Deal found 30/12₹ 132,517

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 2 January 2026.

Round-trip from

₹ 24,920

One-way from

₹ 13,405

Popular in

December

Cheapest in

July

Average price

₹ 39,314
Alaska Airlines
  • Alaska Airlines
  • 7/2-18/2
  • 2 total stops
  • 15h 43m total
  • San Francisco to Washington, D.C.
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United Airlines
  • United Airlines
  • 10/2
  • Nonstop
  • 5h 12m total
  • San Francisco to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (₹ 486,205 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (₹ 128,700 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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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 2 January 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

San Francisco

Fly to

Dulles Intl

Route

Depart

Return

Price

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sat 7/2

08:00-20:20

1 stop9h 20m

Washington, D.C. Dulles Intl

Tue 17/2

07:00-13:48

1 stop9h 48m

₹ 24,920

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Wed 15/4

06:35-17:22

1 stop7h 47m

Washington, D.C. Dulles Intl

Wed 22/4

07:10-14:21

1 stop10h 11m

₹ 24,920

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Thu 12/2

05:55-23:10

1 stop14h 15m

Washington, D.C. Dulles Intl

Tue 17/2

10:08-17:49

1 stop10h 41m

₹ 26,180

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sat 7/3

05:45-16:28

1 stop7h 43m

Washington, D.C. Dulles Intl

Mon 9/3

07:00-16:03

1 stop12h 03m

₹ 26,180

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Sun 25/1

23:20-07:35

Nonstop5h 15m

Washington, D.C. Dulles Intl

Wed 4/2

18:15-21:35

Nonstop6h 20m

₹ 26,719

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Fri 23/1

12:55-20:54

Nonstop4h 59m

Washington, D.C. Dulles Intl

Tue 27/1

18:15-21:35

Nonstop6h 20m

₹ 26,719

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Thu 29/1

10:30-23:10

1 stop9h 40m

Washington, D.C. Dulles Intl

Mon 2/2

07:30-15:58

1 stop11h 28m

₹ 27,439

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Fri 30/1

10:30-23:10

1 stop9h 40m

Washington, D.C. Dulles Intl

Sun 8/2

07:30-14:40

1 stop10h 10m

₹ 27,439

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Fri 20/3

16:55-01:03

Nonstop5h 08m

Washington, D.C. Dulles Intl

Tue 24/3

18:03-21:20

Nonstop6h 17m

₹ 27,619

San FranciscoWashington, D.C.

SFO - IAD

SFOIAD

San Francisco

Tue 13/1

06:05-15:50

1 stop6h 45m

Washington, D.C. Dulles Intl

Tue 13/1

17:30-22:20

1 stop7h 50m

₹ 28,159

Flights are sorted by cheapest return flights first.

Deals found on 1/1

Showing 1-10 of 24 results
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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?

Use this chart to determine the optimal time to book a return flight from San Francisco to Dulles Intl. Price data was last updated on 26 December 2025.

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 83 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, May is the cheapest month in which you can book a flight from San Francisco to Washington, D.C. Dulles Intl Airport (average of ₹ 10,616). Flying from San Francisco to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of ₹ 24,920). 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 2 January 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.

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 20 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 19.0 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 Delta and United Airlines fly from San Francisco to Washington, D.C. Dulles Intl Airport in about 5h 15m. The time it takes to get you to your destination can typically vary by up to 4h 05m. 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: Brussels Airlines (93%), Egyptair (90%), Asiana Airlines( 88%).

  • 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, May is the cheapest month in which you can book a flight from San Francisco to Washington, D.C. Dulles Intl Airport (average of ₹ 10,616). Flying from San Francisco to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of ₹ 24,920). 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

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

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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