฿6,420 Cheap Flights from San Diego (SAN) to Washington (DCA)

View ฿6,420 flight on Wed, 16 Sept 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿6,420 for one-way flights and ฿13,485 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 16 Sept - Wed, 23 Sept
SAN
San Diego
DCA
Washington
฿13,485 Return, found 6 days ago
฿13,485
Return
found 6 days ago
Select Delta flight, departing Wed, 16 Sept from San Diego to Washington, returning Wed, 23 Sept, priced at ฿13,485 found 6 days ago
American Airlines
Wed, 16 Sept - Wed, 23 Sept
SAN
San Diego
DCA
Washington
฿16,710 Return, found 6 days ago
฿16,710
Return
found 6 days ago
Select American Airlines flight, departing Wed, 16 Sept from San Diego to Washington, returning Wed, 23 Sept, priced at ฿16,710 found 6 days ago
Delta
Wed, 16 Sept - Wed, 23 Sept
SAN
San Diego
DCA
Washington
฿17,065 Return, found 6 days ago
฿17,065
Return
found 6 days ago
Select Delta flight, departing Wed, 16 Sept from San Diego to Washington, returning Wed, 23 Sept, priced at ฿17,065 found 6 days ago
American Airlines
Wed, 16 Sept - Wed, 23 Sept
SAN
San Diego
DCA
Washington
฿17,355 Return, found 6 days ago
฿17,355
Return
found 6 days ago
Select American Airlines flight, departing Wed, 16 Sept from San Diego to Washington, returning Wed, 23 Sept, priced at ฿17,355 found 6 days ago
Delta
Tue, 5 May - Sat, 9 May
SAN
San Diego
DCA
Washington
฿17,680 Return, found 6 days ago
฿17,680
Return
found 6 days ago
Select Delta flight, departing Tue, 5 May from San Diego to Washington, returning Sat, 9 May, priced at ฿17,680 found 6 days ago
Delta
Wed, 16 Sept - Wed, 23 Sept
SAN
San Diego
DCA
Washington
฿17,710 Return, found 6 days ago
฿17,710
Return
found 6 days ago
Select Delta flight, departing Wed, 16 Sept from San Diego to Washington, returning Wed, 23 Sept, priced at ฿17,710 found 6 days ago
American Airlines
Wed, 16 Sept - Wed, 23 Sept
SAN
San Diego
DCA
Washington
฿18,000 Return, found 6 days ago
฿18,000
Return
found 6 days ago
Select American Airlines flight, departing Wed, 16 Sept from San Diego to Washington, returning Wed, 23 Sept, priced at ฿18,000 found 6 days ago
American Airlines
Wed, 16 Sept - Wed, 23 Sept
SAN
San Diego
DCA
Washington
฿19,620 Return, found 6 days ago
฿19,620
Return
found 6 days ago
Select American Airlines flight, departing Wed, 16 Sept from San Diego to Washington, returning Wed, 23 Sept, priced at ฿19,620 found 6 days ago
United
Tue, 5 May - Sat, 9 May
SAN
San Diego
DCA
Washington
฿20,105 Return, found 6 days ago
฿20,105
Return
found 6 days ago
Select United flight, departing Tue, 5 May from San Diego to Washington, returning Sat, 9 May, priced at ฿20,105 found 6 days ago
Delta
Wed, 16 Sept - Wed, 23 Sept
SAN
San Diego
DCA
Washington
฿20,295 Return, found 6 days ago
฿20,295
Return
found 6 days ago
Select Delta flight, departing Wed, 16 Sept from San Diego to Washington, returning Wed, 23 Sept, priced at ฿20,295 found 6 days ago

Frequently asked questions

How much is a flight from San Diego Intl. Airport (SAN) to Ronald Reagan Washington National Airport (DCA)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight from SAN to National Airport was ฿13,485. Fares this good don't last long, so make sure you book yours ASAP. 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 Diego Intl. Airport (SAN) to Ronald Reagan Washington National Airport (DCA)?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from SAN to National 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 San Diego Intl. Airport (SAN) to National Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SAN to DCA?
The flight distance from San Diego Airport to National Airport is 3,700 kilometres. Pack yourself a snack, a drink and a good movie. Keep yourself occupied and the hours will zip by.
Which airlines fly direct from SAN to Ronald Reagan Washington National Airport (DCA)?
Unfortunately, there aren't any airlines that fly direct between San Diego Intl. Airport (SAN) and Ronald Reagan Washington National Airport (DCA). You'll need to book a flight with at least one stop.
Are SAN to Ronald Reagan Washington National Airport (DCA) flight tickets cheaper when they're purchased at the last minute?
Flight tickets from SAN to National Airport are available up to a year prior to departure on Expedia. And although you may score fantastic last-minute deals, it's not something you should bank on. Also, booking your flights in advance means you'll have more options — and you can avoid being wedged in the dreaded middle seat! We frequently update our fares to bring you the best bargains, so keep checking in for all the latest specials.

Travel information

Origin airport
San Diego Intl.
Destination airport
Ronald Reagan Washington National
Return price
฿13,485
Distance
3633 km
Average flight time
8 hours 59 mins
*Available to Expedia members.