Cheap Flights from Washington (DCA) to San Francisco (SFO) from HK$1,091~

View HK$1,091 flight on Sat, 30 Aug 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to San Francisco Intl. Airport (SFO)

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

Prices were available within the past 7 days and start at HK$1,091 for one-way flights and HK$2,804 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, 7 Sep - Sun, 14 Sep
DCA
Washington
SFO
San Francisco
HK$2,804 Return, found 4 days ago
HK$2,804
Return
found 4 days ago
Select Delta flight, departing Sun, 7 Sep from Washington to San Francisco, returning Sun, 14 Sep, priced at HK$2,804 found 4 days ago
Delta
Sun, 7 Sep - Sun, 14 Sep
DCA
Washington
SFO
San Francisco
HK$3,149 Return, found 4 days ago
HK$3,149
Return
found 4 days ago
Select Delta flight, departing Sun, 7 Sep from Washington to San Francisco, returning Sun, 14 Sep, priced at HK$3,149 found 4 days ago
Delta
Tue, 5 Aug - Wed, 6 Aug
DCA
Washington
SFO
San Francisco
HK$6,105 Return, found 1 day ago
HK$6,105
Return
found 1 day ago
Select Delta flight, departing Tue, 5 Aug from Washington to San Francisco, returning Wed, 6 Aug, priced at HK$6,105 found 1 day ago
United
Tue, 5 Aug - Wed, 6 Aug
DCA
Washington
SFO
San Francisco
HK$6,512 Return, found 1 day ago
HK$6,512
Return
found 1 day ago
Select United flight, departing Tue, 5 Aug from Washington to San Francisco, returning Wed, 6 Aug, priced at HK$6,512 found 1 day ago
United
Tue, 5 Aug - Wed, 6 Aug
DCA
Washington
SFO
San Francisco
HK$6,553 Return, found 1 day ago
HK$6,553
Return
found 1 day ago
Select United flight, departing Tue, 5 Aug from Washington to San Francisco, returning Wed, 6 Aug, priced at HK$6,553 found 1 day ago
American Airlines
Tue, 5 Aug - Wed, 6 Aug
DCA
Washington
SFO
San Francisco
HK$6,576 Return, found 1 day ago
HK$6,576
Return
found 1 day ago
Select American Airlines flight, departing Tue, 5 Aug from Washington to San Francisco, returning Wed, 6 Aug, priced at HK$6,576 found 1 day ago
Delta
Tue, 5 Aug - Wed, 6 Aug
DCA
Washington
SFO
San Francisco
HK$6,589 Return, found 1 day ago
HK$6,589
Return
found 1 day ago
Select Delta flight, departing Tue, 5 Aug from Washington to San Francisco, returning Wed, 6 Aug, priced at HK$6,589 found 1 day ago
United
Tue, 5 Aug - Wed, 6 Aug
DCA
Washington
SFO
San Francisco
HK$6,894 Return, found 1 day ago
HK$6,894
Return
found 1 day ago
Select United flight, departing Tue, 5 Aug from Washington to San Francisco, returning Wed, 6 Aug, priced at HK$6,894 found 1 day ago
United
Tue, 5 Aug - Wed, 6 Aug
DCA
Washington
SFO
San Francisco
HK$6,897 Return, found 1 day ago
HK$6,897
Return
found 1 day ago
Select United flight, departing Tue, 5 Aug from Washington to San Francisco, returning Wed, 6 Aug, priced at HK$6,897 found 1 day ago

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

September is typically the cheapest month to fly

From HK$1,083 - HK$2,025 per traveller.

Graph displaying average flight prices per month

Washington to San Francisco route information
Origin airport
Ronald Reagan Washington National
Destination airport
San Francisco Intl.
Return price
HK$2,804
Distance
3898 km

Flights from Washington to San Francisco

Book cheap flights from Washington (DCA) to San Francisco (SFO) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Washington (DCA) to San Francisco (SFO) 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 Washington (DCA) to San Francisco (SFO) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your San Francisco flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in San Francisco and things to do in San Francisco for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to San Francisco more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to San Francisco is HK$1,091 now!

 

Frequently asked questions

How much is a flight from National Airport to SFO?
If you're traveling from DCA to San Francisco Airport, round-trip flights start from HK$2,804. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from DCA to San Francisco Intl. Airport (SFO)?
Every airline has different terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from National Airport to San Francisco Airport 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 Ronald Reagan Washington National Airport (DCA) to San Francisco Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from National Airport to San Francisco Airport?
Expect to be up above the clouds for a while, as the flight distance from Ronald Reagan Washington National Airport (DCA) to SFO is 3,900 kilometers. Create a playlist of your favorite tunes before leaving home to stay entertained during your flight.
Which airlines fly direct from Ronald Reagan Washington National Airport (DCA) to San Francisco Airport?
One airline that services the route from DCA to San Francisco Intl. Airport (SFO) is Alaska Airlines (AS). It offers 30 flights every month. Offering 30 flights each month along this route, United Airlines (UA) is another good option.
Are National Airport to San Francisco Intl. Airport (SFO) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Ronald Reagan Washington National Airport (DCA) to San Francisco Airport can be hit-or-miss. You may be able to score a great bargain, but you could also completely miss out! If you'd prefer to start planning early, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines advertise their prices so far in advance. Our suggestion? Check back often as prices are updated frequently.

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