Cheap Flights from San Francisco (SFO) to Washington (IAD) from HK$1,239~

View HK$1,239 flight on Mon, 26 Jan 2026Opens 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$1,239 for one-way flights and HK$2,467 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 26 Jan - Fri, 30 Jan
SFO
San Francisco
IAD
Washington
HK$2,467 Return, found 5 days ago
HK$2,467
Return
found 5 days ago
Select Delta flight, departing Mon, 26 Jan from San Francisco to Washington, returning Fri, 30 Jan, priced at HK$2,467 found 5 days ago
Delta
Sun, 18 Jan - Wed, 21 Jan
SFO
San Francisco
IAD
Washington
HK$2,553 Return, found 6 days ago
HK$2,553
Return
found 6 days ago
Select Delta flight, departing Sun, 18 Jan from San Francisco to Washington, returning Wed, 21 Jan, priced at HK$2,553 found 6 days ago
United
Sun, 18 Jan - Wed, 21 Jan
SFO
San Francisco
IAD
Washington
HK$2,789 Return, found 6 days ago
HK$2,789
Return
found 6 days ago
Select United flight, departing Sun, 18 Jan from San Francisco to Washington, returning Wed, 21 Jan, priced at HK$2,789 found 6 days ago
Delta
Sun, 18 Jan - Wed, 21 Jan
SFO
San Francisco
IAD
Washington
HK$2,865 Return, found 6 days ago
HK$2,865
Return
found 6 days ago
Select Delta flight, departing Sun, 18 Jan from San Francisco to Washington, returning Wed, 21 Jan, priced at HK$2,865 found 6 days ago
American Airlines
Mon, 26 Jan - Fri, 30 Jan
SFO
San Francisco
IAD
Washington
HK$3,016 Return, found 5 days ago
HK$3,016
Return
found 5 days ago
Select American Airlines flight, departing Mon, 26 Jan from San Francisco to Washington, returning Fri, 30 Jan, priced at HK$3,016 found 5 days ago
Delta
Mon, 26 Jan - Fri, 30 Jan
SFO
San Francisco
IAD
Washington
HK$3,026 Return, found 5 days ago
HK$3,026
Return
found 5 days ago
Select Delta flight, departing Mon, 26 Jan from San Francisco to Washington, returning Fri, 30 Jan, priced at HK$3,026 found 5 days ago
Delta
Sun, 18 Jan - Wed, 21 Jan
SFO
San Francisco
IAD
Washington
HK$3,102 Return, found 6 days ago
HK$3,102
Return
found 6 days ago
Select Delta flight, departing Sun, 18 Jan from San Francisco to Washington, returning Wed, 21 Jan, priced at HK$3,102 found 6 days ago
United
Sun, 18 Jan - Wed, 21 Jan
SFO
San Francisco
IAD
Washington
HK$3,176 Return, found 6 days ago
HK$3,176
Return
found 6 days ago
Select United flight, departing Sun, 18 Jan from San Francisco to Washington, returning Wed, 21 Jan, priced at HK$3,176 found 6 days ago
United
Sun, 18 Jan - Wed, 21 Jan
SFO
San Francisco
IAD
Washington
HK$3,250 Return, found 6 days ago
HK$3,250
Return
found 6 days ago
Select United flight, departing Sun, 18 Jan from San Francisco to Washington, returning Wed, 21 Jan, priced at HK$3,250 found 6 days ago
Delta
Mon, 26 Jan - Fri, 30 Jan
SFO
San Francisco
IAD
Washington
HK$3,252 Return, found 5 days ago
HK$3,252
Return
found 5 days ago
Select Delta flight, departing Mon, 26 Jan from San Francisco to Washington, returning Fri, 30 Jan, priced at HK$3,252 found 5 days ago

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

January is typically the cheapest month to fly

From HK$1,074 - HK$2,936 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$2,467. 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$2,467
Distance
3862 km
Average flight time
8 hours 46 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$1,239 now!

 

Flights from San Francisco to Chantilly

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