Cheap Flights from San Francisco (SFO) to Washington (IAD) from HK$1,003~

View HK$1,003 flight on Tue, 2 Dec 2025Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Washington Dulles Intl. Airport (IAD)

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Find Cheap Flights from San Francisco (SFO) to Washington (IAD)

Prices were available within the past 7 days and start at HK$1,003 for one-way flights and HK$2,317 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 8 Dec - Mon, 15 Dec
SFO
San Francisco
IAD
Washington
HK$2,317 Return, found 3 days ago
HK$2,317
Return
found 3 days ago
Select Delta flight, departing Mon, 8 Dec from San Francisco to Washington, returning Mon, 15 Dec, priced at HK$2,317 found 3 days ago
Delta
Mon, 8 Dec - Mon, 15 Dec
SFO
San Francisco
IAD
Washington
HK$2,553 Return, found 3 days ago
HK$2,553
Return
found 3 days ago
Select Delta flight, departing Mon, 8 Dec from San Francisco to Washington, returning Mon, 15 Dec, priced at HK$2,553 found 3 days ago
United
Mon, 8 Dec - Mon, 15 Dec
SFO
San Francisco
IAD
Washington
HK$2,789 Return, found 3 days ago
HK$2,789
Return
found 3 days ago
Select United flight, departing Mon, 8 Dec from San Francisco to Washington, returning Mon, 15 Dec, priced at HK$2,789 found 3 days ago
Delta
Mon, 8 Dec - Mon, 15 Dec
SFO
San Francisco
IAD
Washington
HK$2,790 Return, found 3 days ago
HK$2,790
Return
found 3 days ago
Select Delta flight, departing Mon, 8 Dec from San Francisco to Washington, returning Mon, 15 Dec, priced at HK$2,790 found 3 days ago
American Airlines
Mon, 8 Dec - Mon, 15 Dec
SFO
San Francisco
IAD
Washington
HK$2,865 Return, found 3 days ago
HK$2,865
Return
found 3 days ago
Select American Airlines flight, departing Mon, 8 Dec from San Francisco to Washington, returning Mon, 15 Dec, priced at HK$2,865 found 3 days ago
United
Mon, 8 Dec - Mon, 15 Dec
SFO
San Francisco
IAD
Washington
HK$2,939 Return, found 3 days ago
HK$2,939
Return
found 3 days ago
Select United flight, departing Mon, 8 Dec from San Francisco to Washington, returning Mon, 15 Dec, priced at HK$2,939 found 3 days ago
United
Mon, 8 Dec - Mon, 15 Dec
SFO
San Francisco
IAD
Washington
HK$2,951 Return, found 3 days ago
HK$2,951
Return
found 3 days ago
Select United flight, departing Mon, 8 Dec from San Francisco to Washington, returning Mon, 15 Dec, priced at HK$2,951 found 3 days ago
Delta
Mon, 8 Dec - Mon, 15 Dec
SFO
San Francisco
IAD
Washington
HK$3,016 Return, found 3 days ago
HK$3,016
Return
found 3 days ago
Select Delta flight, departing Mon, 8 Dec from San Francisco to Washington, returning Mon, 15 Dec, priced at HK$3,016 found 3 days ago
United
Mon, 8 Dec - Mon, 15 Dec
SFO
San Francisco
IAD
Washington
HK$3,025 Return, found 3 days ago
HK$3,025
Return
found 3 days ago
Select United flight, departing Mon, 8 Dec from San Francisco to Washington, returning Mon, 15 Dec, priced at HK$3,025 found 3 days ago
American Airlines
Mon, 8 Dec - Mon, 15 Dec
SFO
San Francisco
IAD
Washington
HK$3,091 Return, found 3 days ago
HK$3,091
Return
found 3 days ago
Select American Airlines flight, departing Mon, 8 Dec from San Francisco to Washington, returning Mon, 15 Dec, priced at HK$3,091 found 3 days ago

Find the cheapest month to fly from San Francisco (SFO) to Washington (IAD)

April is typically the cheapest month to fly

From HK$1,089 - HK$3,787 per traveller.

Frequently asked questions

How much is a flight from SFO to IAD?
Round-trip flights between SFO and Dulles Intl. Airport start from HK$2,317. This is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book ASAP so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from San Francisco Airport to Dulles Intl. Airport?
Each air carrier has its own set of terms and conditions. If you decide to cancel your getaway, head to our Customer Service Portal.
How do I find cheap flights from SFO to IAD that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for San Francisco Airport to IAD flights, you'll see a "no change fees" filter for you to select.
How far is the flight from San Francisco Intl. Airport (SFO) to Dulles Intl. Airport?
The flight distance between San Francisco Airport and IAD is 3,900 kilometers. Bring along a drink, some snacks and a good book to read. Keep yourself occupied and the time will fly by.
Which airlines fly direct from San Francisco Airport to Washington Dulles Intl. Airport (IAD)?
With 152 monthly flights from San Francisco Airport to Washington Dulles Intl. Airport (IAD), United Airlines (UA) is a top choice. Another carrier operating on this route is Alaska Airlines (AS). You'll have 30 flights each month to take your pick of.
Are SFO to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Airline tickets from SFO to Washington Dulles Intl. Airport (IAD) are available up to a year before departure on Expedia. And although you may occasionally nab great last-minute deal, it's never a sure thing. Also, booking your flights in advance means you'll have more choices — and you can avoid ending up with the dreaded middle seat! We regularly update our fares to bring you the biggest bargains, so check back often for all the latest specials.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Washington Dulles Intl.
Return price
HK$2,317
Distance
3862 km
Average flight time
8 hours 38 mins

Book with confidence

Flights from San Francisco to Chantilly

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Search for flights from San Francisco (SFO) to Chantilly (IAD) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your San Francisco (SFO) to Chantilly (IAD) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

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If you would like to book flights to Chantilly more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Chantilly is HK$1,003 now!

 

Flights from San Francisco to Chantilly

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