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

View ฿6,420 flight on Thu, 6 Aug 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿6,420 for one-way flights and ฿12,840 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 6 Aug - Mon, 10 Aug
DCA
Washington
SAN
San Diego
฿12,840 Return, found 6 hours ago
฿12,840
Return
found 6 hours ago
Select Delta flight, departing Thu, 6 Aug from Washington to San Diego, returning Mon, 10 Aug, priced at ฿12,840 found 6 hours ago
Delta
Thu, 6 Aug - Mon, 10 Aug
DCA
Washington
SAN
San Diego
฿13,485 Return, found 6 hours ago
฿13,485
Return
found 6 hours ago
Select Delta flight, departing Thu, 6 Aug from Washington to San Diego, returning Mon, 10 Aug, priced at ฿13,485 found 6 hours ago
Delta
Thu, 6 Aug - Mon, 10 Aug
DCA
Washington
SAN
San Diego
฿14,810 Return, found 6 hours ago
฿14,810
Return
found 6 hours ago
Select Delta flight, departing Thu, 6 Aug from Washington to San Diego, returning Mon, 10 Aug, priced at ฿14,810 found 6 hours ago
Delta
Thu, 6 Aug - Mon, 10 Aug
DCA
Washington
SAN
San Diego
฿15,260 Return, found 6 hours ago
฿15,260
Return
found 6 hours ago
Select Delta flight, departing Thu, 6 Aug from Washington to San Diego, returning Mon, 10 Aug, priced at ฿15,260 found 6 hours ago
Delta
Thu, 6 Aug - Mon, 10 Aug
DCA
Washington
SAN
San Diego
฿15,420 Return, found 6 hours ago
฿15,420
Return
found 6 hours ago
Select Delta flight, departing Thu, 6 Aug from Washington to San Diego, returning Mon, 10 Aug, priced at ฿15,420 found 6 hours ago
Delta
Thu, 6 Aug - Mon, 10 Aug
DCA
Washington
SAN
San Diego
฿15,455 Return, found 6 hours ago
฿15,455
Return
found 6 hours ago
Select Delta flight, departing Thu, 6 Aug from Washington to San Diego, returning Mon, 10 Aug, priced at ฿15,455 found 6 hours ago
United
Thu, 6 Aug - Mon, 10 Aug
DCA
Washington
SAN
San Diego
฿15,905 Return, found 6 hours ago
฿15,905
Return
found 6 hours ago
Select United flight, departing Thu, 6 Aug from Washington to San Diego, returning Mon, 10 Aug, priced at ฿15,905 found 6 hours ago
Delta
Thu, 6 Aug - Mon, 10 Aug
DCA
Washington
SAN
San Diego
฿16,070 Return, found 6 hours ago
฿16,070
Return
found 6 hours ago
Select Delta flight, departing Thu, 6 Aug from Washington to San Diego, returning Mon, 10 Aug, priced at ฿16,070 found 6 hours ago
United
Thu, 6 Aug - Mon, 10 Aug
DCA
Washington
SAN
San Diego
฿16,235 Return, found 6 hours ago
฿16,235
Return
found 6 hours ago
Select United flight, departing Thu, 6 Aug from Washington to San Diego, returning Mon, 10 Aug, priced at ฿16,235 found 6 hours ago
American Airlines
Thu, 6 Aug - Mon, 10 Aug
DCA
Washington
SAN
San Diego
฿16,715 Return, found 6 hours ago
฿16,715
Return
found 6 hours ago
Select American Airlines flight, departing Thu, 6 Aug from Washington to San Diego, returning Mon, 10 Aug, priced at ฿16,715 found 6 hours ago
United
Thu, 6 Aug - Mon, 10 Aug
DCA
Washington
SAN
San Diego
฿16,880 Return, found 6 hours ago
฿16,880
Return
found 6 hours ago
Select United flight, departing Thu, 6 Aug from Washington to San Diego, returning Mon, 10 Aug, priced at ฿16,880 found 6 hours ago

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 ฿12,840. 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 cancelled 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 kilometres. 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.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
San Diego Intl.
Return price
฿12,840
Distance
3633 km
Average flight time
4 hours 33 mins
*Available to Expedia members.