Cheap flights from San Francisco to Washington, D.C. Dulles Intl Airport from ₹ 17,837
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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IAD
8 May — 15 May1
Return
1 adult
Economy
Return
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 78 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.
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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 8 April 2026.
Wed 29/407:15
SFO
-
IAD
2 stops13h 54m
Alaska Airlines
Wed 27/506:00
IAD
-
SFO
2 stops15h 01m
Alaska Airlines
Deal found 7/4₹ 36,509
Tue 28/407:15
SFO
-
IAD
1 stop7h 26m
Alaska Airlines
Tue 12/518:47
IAD
-
SFO
1 stop19h 02m
Alaska Airlines
Deal found 7/4₹ 37,438
Wed 6/511:10
SFO
-
IAD
2 stops15h 40m
Alaska Airlines
Sun 10/518:47
IAD
-
SFO
1 stop18h 20m
Alaska Airlines
Deal found 3/4₹ 37,624
Thu 8/1018:01
SFO
-
IAD
1 stop14h 39m
Sun Country Air
Sun 11/1012:40
IAD
-
SFO
1 stop7h 42m
Sun Country Air
Deal found 7/4₹ 37,810
Fri 1/522:35
SFO
-
IAD
Nonstop5h 27m
United Airlines
Sat 2/508:30
IAD
-
SFO
Nonstop5h 50m
United Airlines
Deal found 5/4₹ 38,274
Wed 29/407:15
SFO
-
IAD
2 stops13h 54m
Alaska Airlines
Tue 12/509:00
IAD
-
SFO
2 stops17h 01m
Alaska Airlines
Deal found 6/4₹ 38,367
Sun 17/522:15
SFO
-
IAD
1 stop8h 57m
Frontier
Mon 18/513:26
IAD
-
SFO
1 stop12h 38m
Frontier
Deal found 5/4₹ 38,460
Sat 23/517:41
SFO
-
IAD
1 stop21h 01m
Alaska Airlines
Wed 27/506:00
IAD
-
SFO
2 stops15h 01m
Alaska Airlines
Deal found 7/4₹ 38,553
Best flights from San Francisco to Dulles Intl
Discover carefully curated flight deals from San Francisco to Dulles Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 April 2026.
Wed 27/516:34
SFO
-
IAD
Nonstop5h 21m
United Airlines
Mon 8/606:30
IAD
-
SFO
Nonstop5h 42m
United Airlines
Deal found 3/4₹ 38,739
Fri 29/506:16
SFO
-
IAD
1 stop8h 26m
Alaska Airlines
Tue 2/606:00
IAD
-
SFO
2 stops16h 57m
Alaska Airlines
Deal found 3/4₹ 39,482
Fri 24/411:10
SFO
-
IAD
2 stops10h 10m
Southwest
Sun 26/405:50
IAD
-
SFO
1 stop7h 30m
Southwest
Deal found 3/4₹ 44,777
Sat 23/510:57
SFO
-
IAD
2 stops17h 37m
Alaska Airlines
Tue 26/519:37
IAD
-
SFO
1 stop16h 56m
Alaska Airlines
Deal found 3/4₹ 40,875
Mon 4/507:25
SFO
-
IAD
2 stops13h 55m
Southwest
Fri 8/505:55
IAD
-
SFO
2 stops10h 30m
Southwest
Deal found 3/4₹ 45,242
Sat 11/716:34
SFO
-
IAD
Nonstop5h 21m
United Airlines
Sat 15/822:10
IAD
-
SFO
Nonstop6h 06m
United Airlines
Deal found 6/4₹ 48,958
Fri 1/511:10
SFO
-
IAD
2 stops10h 10m
Southwest
Sat 2/517:05
IAD
-
SFO
1 stop7h 50m
Southwest
Deal found 5/4₹ 46,171
Wed 24/606:03
SFO
-
IAD
1 stop21h 36m
Alaska Airlines
Mon 6/719:49
IAD
-
SFO
1 stop17h 03m
Alaska Airlines
Deal found 3/4₹ 48,586
Fri 1/522:35
SFO
-
IAD
Nonstop5h 27m
United Airlines
Wed 6/508:30
IAD
-
SFO
Nonstop5h 50m
United Airlines
Deal found 4/4₹ 48,958
Thu 21/507:25
SFO
-
IAD
2 stops13h 55m
Southwest
Thu 28/505:55
IAD
-
SFO
2 stops10h 30m
Southwest
Deal found 5/4₹ 48,493
Thu 23/412:26
SFO
-
IAD
1 stop8h 43m
Alaska Airlines
Wed 29/409:00
IAD
-
SFO
2 stops17h 01m
Alaska Airlines
Deal found 5/4₹ 48,772
Sat 25/412:35
SFO
-
IAD
Nonstop5h 11m
United Airlines
Tue 28/417:55
IAD
-
SFO
Nonstop5h 55m
United Airlines
Deal found 3/4₹ 48,958
Direct flights from San Francisco to Dulles Intl
Explore direct flight options from San Francisco to Dulles Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 8 April 2026.
Fri 1/522:35
SFO
-
IAD
Nonstop5h 27m
United Airlines
Sat 2/508:30
IAD
-
SFO
Nonstop5h 50m
United Airlines
Deal found 5/4₹ 38,274
Wed 29/423:20
SFO
-
IAD
Nonstop5h 30m
United Airlines
Sun 3/522:10
IAD
-
SFO
Nonstop6h 06m
United Airlines
Deal found 6/4₹ 38,739
Wed 3/613:58
SFO
-
IAD
Nonstop5h 21m
United Airlines
Sun 7/622:21
IAD
-
SFO
Nonstop5h 54m
United Airlines
Deal found 5/4₹ 40,132
Fri 3/713:00
SFO
-
IAD
Nonstop5h 18m
United Airlines
Fri 3/722:21
IAD
-
SFO
Nonstop5h 54m
United Airlines
Deal found 5/4₹ 40,504
Wed 29/412:45
SFO
-
IAD
Nonstop5h 21m
United Airlines
Tue 5/518:40
IAD
-
SFO
Nonstop6h 09m
United Airlines
Deal found 6/4₹ 40,597
Thu 7/506:30
SFO
-
IAD
Nonstop5h 17m
United Airlines
Sun 10/506:30
IAD
-
SFO
Nonstop6h 00m
United Airlines
Deal found 7/4₹ 41,990
Mon 4/521:30
SFO
-
IAD
Nonstop5h 30m
United Airlines
Thu 7/506:30
IAD
-
SFO
Nonstop6h 00m
United Airlines
Deal found 6/4₹ 42,455
Fri 12/621:30
SFO
-
IAD
Nonstop5h 23m
United Airlines
Tue 16/606:30
IAD
-
SFO
Nonstop5h 42m
United Airlines
Deal found 5/4₹ 43,384
Fri 15/516:55
SFO
-
IAD
Nonstop5h 29m
United Airlines
Thu 21/522:21
IAD
-
SFO
Nonstop5h 54m
United Airlines
Deal found 6/4₹ 43,477
Fri 8/523:05
SFO
-
IAD
Nonstop5h 30m
United Airlines
Fri 22/522:21
IAD
-
SFO
Nonstop5h 54m
United Airlines
Deal found 4/4₹ 43,755
Fri 5/616:34
SFO
-
IAD
Nonstop5h 21m
United Airlines
Mon 8/622:21
IAD
-
SFO
Nonstop5h 54m
United Airlines
Deal found 3/4₹ 44,220
Wed 6/514:05
SFO
-
IAD
Nonstop5h 22m
United Airlines
Thu 7/506:30
IAD
-
SFO
Nonstop6h 00m
United Airlines
Deal found 7/4₹ 44,313
Last-minute flights from San Francisco to Dulles Intl
Discover last-minute flight deals from San Francisco to Dulles Intl. Data last updated 8 April 2026 and is based on user searches.
Tue 28/407:15
SFO
-
IAD
1 stop7h 26m
Alaska Airlines
Tue 12/518:47
IAD
-
SFO
1 stop19h 02m
Alaska Airlines
Deal found 7/4₹ 37,438
Wed 29/407:15
SFO
-
IAD
2 stops13h 54m
Alaska Airlines
Wed 27/506:00
IAD
-
SFO
2 stops15h 01m
Alaska Airlines
Deal found 7/4₹ 36,509
Wed 29/407:15
SFO
-
IAD
2 stops13h 54m
Alaska Airlines
Tue 12/509:00
IAD
-
SFO
2 stops17h 01m
Alaska Airlines
Deal found 6/4₹ 38,367
Wed 29/423:20
SFO
-
IAD
Nonstop5h 30m
United Airlines
Sun 3/522:10
IAD
-
SFO
Nonstop6h 06m
United Airlines
Deal found 6/4₹ 38,739
Fri 1/522:35
SFO
-
IAD
Nonstop5h 27m
United Airlines
Sat 2/508:30
IAD
-
SFO
Nonstop5h 50m
United Airlines
Deal found 5/4₹ 38,274
Wed 6/511:10
SFO
-
IAD
2 stops15h 40m
Alaska Airlines
Sun 10/518:47
IAD
-
SFO
1 stop18h 20m
Alaska Airlines
Deal found 3/4₹ 37,624
Sun 17/522:15
SFO
-
IAD
1 stop8h 57m
Frontier
Mon 18/513:26
IAD
-
SFO
1 stop12h 38m
Frontier
Deal found 5/4₹ 38,460
Sat 23/517:41
SFO
-
IAD
1 stop21h 01m
Alaska Airlines
Wed 27/506:00
IAD
-
SFO
2 stops15h 01m
Alaska Airlines
Deal found 7/4₹ 38,553
One-way flights from San Francisco to Dulles Intl
Search for one-way flight options from San Francisco to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 8 April 2026.
Wed 13/506:16
SFO
-
IAD
1 stop8h 26m
Alaska Airlines
Deal found 3/4₹ 17,837
Tue 5/507:15
SFO
-
IAD
2 stops13h 54m
Alaska Airlines
Deal found 7/4₹ 18,301
Wed 26/810:33
SFO
-
IAD
1 stop10h 26m
Alaska Airlines
Deal found 7/4₹ 20,066
Sat 2/512:26
SFO
-
IAD
1 stop8h 43m
Alaska Airlines
Deal found 7/4₹ 20,345
Tue 5/513:09
SFO
-
IAD
1 stop7h 35m
Delta
Deal found 6/4₹ 20,531
Tue 28/407:40
SFO
-
IAD
2 stops13h 29m
Alaska Airlines
Deal found 6/4₹ 20,716
Sat 2/506:15
SFO
-
IAD
2 stops13h 40m
Southwest
Deal found 7/4₹ 20,809
Wed 12/816:00
SFO
-
IAD
1 stop16h 51m
Delta
Deal found 6/4₹ 21,181
Sun 3/523:59
SFO
-
IAD
1 stop8h 33m
Delta
Deal found 7/4₹ 21,274
Mon 20/408:30
SFO
-
IAD
1 stop24h 57m
Sun Country Air
Deal found 6/4₹ 21,738
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 8 April 2026.
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 8 April 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
Fastest return journey
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Wed 27/5
16:34-00:55
Nonstop5h 21m
Washington, D.C. Dulles Intl
Mon 8/6
06:30-09:12
Nonstop5h 42m
₹ 38,739
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Fri 29/5
06:16-17:42
1 stop8h 26m
Washington, D.C. Dulles Intl
Tue 2/6
06:00-19:57
2 stops16h 57m
₹ 39,482
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Sat 23/5
10:57-07:34
2 stops17h 37m
Washington, D.C. Dulles Intl
Tue 26/5
19:37-09:33
1 stop16h 56m
₹ 40,875
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Fri 24/4
11:10-00:20
2 stops10h 10m
Washington, D.C. Dulles Intl
Sun 26/4
05:50-10:20
1 stop7h 30m
₹ 44,777
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Mon 4/5
07:25-00:20
2 stops13h 55m
Washington, D.C. Dulles Intl
Fri 8/5
05:55-13:25
2 stops10h 30m
₹ 45,242
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Fri 1/5
11:10-00:20
2 stops10h 10m
Washington, D.C. Dulles Intl
Sat 2/5
17:05-21:55
1 stop7h 50m
₹ 46,171
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Thu 21/5
07:25-00:20
2 stops13h 55m
Washington, D.C. Dulles Intl
Thu 28/5
05:55-13:25
2 stops10h 30m
₹ 48,493
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Wed 24/6
06:03-06:39
1 stop21h 36m
Washington, D.C. Dulles Intl
Mon 6/7
19:49-09:52
1 stop17h 03m
₹ 48,586
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Thu 23/4
12:26-00:09
1 stop8h 43m
Washington, D.C. Dulles Intl
Wed 29/4
09:00-23:01
2 stops17h 01m
₹ 48,772
San FranciscoWashington, D.C.
SFO - IAD
SFOIAD
San Francisco
Sat 11/7
16:34-00:55
Nonstop5h 21m
Washington, D.C. Dulles Intl
Sat 15/8
22:10-01:16
Nonstop6h 06m
₹ 48,958
Flights are sorted by cheapest return flights first.
Deals found on 3/4
Showing 1-10 of 24 resultsSorted by cheapest first
1
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.
SFO-IAD
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
Prices
Airlines
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 3 April 2026.
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 78 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 ₹ 10,962). Flying from San Francisco to Washington, D.C. Dulles Intl Airport in September is currently the most expensive (average of ₹ 24,339). 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 8 April 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?
Weekly flight availability from San Francisco to Washington, D.C. Dulles Intl Airport
Explore weekly flight availability from San Francisco to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 8 April 2026.
The most flights from SFO to IAD are scheduled on a Wednesday (36 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (24 on average).
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 27 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 United Airlines and Alaska Airlines fly from San Francisco to Washington, D.C. Dulles Intl Airport in about 5h 30m. The time it takes to get you to your destination can typically vary by up to 2h 56m. 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: Egyptair (98%), Lufthansa (94%), United Airlines( 94%).
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 ₹ 10,962). Flying from San Francisco to Washington, D.C. Dulles Intl Airport in September is currently the most expensive (average of ₹ 24,339). 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.
Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 8 April 2026.
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 8 April 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from San Francisco to Dulles Intl?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Dulles Intl from San Francisco today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from San Francisco to Dulles Intl?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from San Francisco to Dulles Intl for you. Better yet — we are completely free to use.
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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