S$168 Cheap Flights from Washington to San Diego

View S$168 flight on Sat, 13 Dec, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at S$168 for one-way flights and S$334 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 6 Dec - Sat, 13 Dec
DCA
Washington
SAN
San Diego
S$334 Return, found 6 days ago
S$334
Return
found 6 days ago
Select Delta flight, departing Sat, 6 Dec from Washington to San Diego, returning Sat, 13 Dec, priced at S$334 found 6 days ago
Delta
Sat, 13 Dec - Sat, 20 Dec
DCA
Washington
SAN
San Diego
S$412 Return, found 5 days ago
S$412
Return
found 5 days ago
Select Delta flight, departing Sat, 13 Dec from Washington to San Diego, returning Sat, 20 Dec, priced at S$412 found 5 days ago
American Airlines
Sat, 6 Dec - Sat, 13 Dec
DCA
Washington
SAN
San Diego
S$437 Return, found 6 days ago
S$437
Return
found 6 days ago
Select American Airlines flight, departing Sat, 6 Dec from Washington to San Diego, returning Sat, 13 Dec, priced at S$437 found 6 days ago
United
Sat, 6 Dec - Sat, 13 Dec
DCA
Washington
SAN
San Diego
S$437 Return, found 6 days ago
S$437
Return
found 6 days ago
Select United flight, departing Sat, 6 Dec from Washington to San Diego, returning Sat, 13 Dec, priced at S$437 found 6 days ago
American Airlines
Sat, 13 Dec - Sat, 20 Dec
DCA
Washington
SAN
San Diego
S$438 Return, found 5 days ago
S$438
Return
found 5 days ago
Select American Airlines flight, departing Sat, 13 Dec from Washington to San Diego, returning Sat, 20 Dec, priced at S$438 found 5 days ago
Delta
Mon, 15 Dec - Mon, 22 Dec
DCA
Washington
SAN
San Diego
S$451 Return, found 6 days ago
S$451
Return
found 6 days ago
Select Delta flight, departing Mon, 15 Dec from Washington to San Diego, returning Mon, 22 Dec, priced at S$451 found 6 days ago
Delta
Sat, 13 Dec - Sat, 20 Dec
DCA
Washington
SAN
San Diego
S$478 Return, found 5 days ago
S$478
Return
found 5 days ago
Select Delta flight, departing Sat, 13 Dec from Washington to San Diego, returning Sat, 20 Dec, priced at S$478 found 5 days ago
Delta
Sat, 13 Dec - Sat, 20 Dec
DCA
Washington
SAN
San Diego
S$479 Return, found 5 days ago
S$479
Return
found 5 days ago
Select Delta flight, departing Sat, 13 Dec from Washington to San Diego, returning Sat, 20 Dec, priced at S$479 found 5 days ago
American Airlines
Sat, 6 Dec - Sat, 13 Dec
DCA
Washington
SAN
San Diego
S$488 Return, found 6 days ago
S$488
Return
found 6 days ago
Select American Airlines flight, departing Sat, 6 Dec from Washington to San Diego, returning Sat, 13 Dec, priced at S$488 found 6 days ago
United
Mon, 15 Dec - Mon, 22 Dec
DCA
Washington
SAN
San Diego
S$489 Return, found 6 days ago
S$489
Return
found 6 days ago
Select United flight, departing Mon, 15 Dec from Washington to San Diego, returning Mon, 22 Dec, priced at S$489 found 6 days ago

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

January is typically the cheapest month to fly

From S$180 - S$409 per traveller.

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 S$334. 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.
Airlines serving
American Airlines, Delta
Return price
S$333
Distance
3633 km
Average flight time
4 hours 10 mins

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Perfect flights from Washington to San Diego

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Experience the joy of finding cheap flights from Ronald Reagan Washington National to San Diego Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$168 and roundtrip prices from S$334*.
 

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Washington to San Diego

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