Cheap Flights from Washington (DCA) to San Diego (SAN) from HK$1,078~

View HK$1,078 flight on Sun, 15 Feb 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to San Diego Intl. Airport (SAN)

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Find Cheap Flights from Washington (DCA) to San Diego (SAN)

Prices were available within the past 7 days and start at HK$1,078 for one-way flights and HK$2,155 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, 15 Feb - Fri, 6 Mar
DCA
Washington
SAN
San Diego
HK$2,155 Return, found 4 days ago
HK$2,155
Return
found 4 days ago
Select Delta flight, departing Sun, 15 Feb from Washington to San Diego, returning Fri, 6 Mar, priced at HK$2,155 found 4 days ago
Delta
Sun, 15 Feb - Fri, 6 Mar
DCA
Washington
SAN
San Diego
HK$2,478 Return, found 4 days ago
HK$2,478
Return
found 4 days ago
Select Delta flight, departing Sun, 15 Feb from Washington to San Diego, returning Fri, 6 Mar, priced at HK$2,478 found 4 days ago
United
Sun, 15 Feb - Fri, 6 Mar
DCA
Washington
SAN
San Diego
HK$2,704 Return, found 4 days ago
HK$2,704
Return
found 4 days ago
Select United flight, departing Sun, 15 Feb from Washington to San Diego, returning Fri, 6 Mar, priced at HK$2,704 found 4 days ago
Delta
Sun, 15 Feb - Fri, 6 Mar
DCA
Washington
SAN
San Diego
HK$2,790 Return, found 4 days ago
HK$2,790
Return
found 4 days ago
Select Delta flight, departing Sun, 15 Feb from Washington to San Diego, returning Fri, 6 Mar, priced at HK$2,790 found 4 days ago
Delta
Sun, 15 Feb - Fri, 6 Mar
DCA
Washington
SAN
San Diego
HK$2,855 Return, found 4 days ago
HK$2,855
Return
found 4 days ago
Select Delta flight, departing Sun, 15 Feb from Washington to San Diego, returning Fri, 6 Mar, priced at HK$2,855 found 4 days ago
Delta
Thu, 15 Jan - Thu, 22 Jan
DCA
Washington
SAN
San Diego
HK$2,940 Return, found 4 days ago
HK$2,940
Return
found 4 days ago
Select Delta flight, departing Thu, 15 Jan from Washington to San Diego, returning Thu, 22 Jan, priced at HK$2,940 found 4 days ago
United
Sun, 15 Feb - Fri, 6 Mar
DCA
Washington
SAN
San Diego
HK$3,026 Return, found 4 days ago
HK$3,026
Return
found 4 days ago
Select United flight, departing Sun, 15 Feb from Washington to San Diego, returning Fri, 6 Mar, priced at HK$3,026 found 4 days ago
United
Sun, 15 Feb - Fri, 6 Mar
DCA
Washington
SAN
San Diego
HK$3,059 Return, found 4 days ago
HK$3,059
Return
found 4 days ago
Select United flight, departing Sun, 15 Feb from Washington to San Diego, returning Fri, 6 Mar, priced at HK$3,059 found 4 days ago
Delta
Thu, 15 Jan - Thu, 22 Jan
DCA
Washington
SAN
San Diego
HK$3,091 Return, found 4 days ago
HK$3,091
Return
found 4 days ago
Select Delta flight, departing Thu, 15 Jan from Washington to San Diego, returning Thu, 22 Jan, priced at HK$3,091 found 4 days ago
American Airlines
Sun, 15 Feb - Fri, 6 Mar
DCA
Washington
SAN
San Diego
HK$3,242 Return, found 4 days ago
HK$3,242
Return
found 4 days ago
Select American Airlines flight, departing Sun, 15 Feb from Washington to San Diego, returning Fri, 6 Mar, priced at HK$3,242 found 4 days ago

Find the cheapest month to fly from Washington (DCA) to San Diego (SAN)

January is typically the cheapest month to fly

From HK$1,043 - HK$2,399 per traveller.

Alternative airports near San Diego

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Diego Intl. SAN. Cheapest and Closest option available. Average driving time to city centre is 5 minutes. Flights from HK$2,940
SAN
San Diego Intl.
CheapestClosest
Average driving time to city centre5 min
Flights from HK$2,940
Washington to San Diego route information
Origin airport
Ronald Reagan Washington National
Destination airport
San Diego Intl.
Return price
HK$2,155
Distance
3633 km
Average flight time
4 hours 22 mins

Flights from Washington to San Diego

Book cheap flights from Washington (DCA) to San Diego (SAN) 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 Diego (SAN) 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 Diego (SAN) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

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

If you would like to book flights to San Diego more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to San Diego is HK$1,078 now!

 

Frequently asked questions

How much is a flight from National Airport to San Diego Intl. Airport (SAN)?
Start packing your suitcase, because round-trip journeys between Ronald Reagan Washington National Airport (DCA) and San Diego Intl. Airport (SAN) start from HK$2,155. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book today to secure the best deal. 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 Diego Intl. Airport (SAN)?
Most flights can be canceled online, but each air carrier has its own terms and conditions. If you do decide to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from National Airport to San Diego Intl. Airport (SAN) 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 Diego Intl. Airport (SAN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from DCA to San Diego Airport?
The flight distance from Arlington to San Diego is 3,700 kilometers. Pack yourself a drink, some snacks and a good book to read. Keep yourself entertained and the time will fly by.
Which airlines fly direct from Ronald Reagan Washington National Airport (DCA) to San Diego Airport?
You won't find any airlines flying directly between DCA and San Diego Intl. Airport (SAN), so be ready to make at least one stop on your journey. A layover can be a nice way to break up a trip!
Are National Airport to San Diego Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to find a fantastic last-minute deal from DCA to San Diego Intl. Airport (SAN), but it's also possible to miss out entirely! As many airlines release seats up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you spot a bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can be certain you're always getting the latest offers.

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