₩249,100 Cheap Flights from Washington (DCA) to San Diego (SAN)

View ₩249,100 flight on Fri, May 8, 2026Opens 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 ₩249,100 for one-way flights and ₩718,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Jul 2 - Mon, Jul 6
DCA
Washington
SAN
San Diego
₩718,400 Roundtrip, found 5 days ago
₩718,400
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Jul 2 from Washington to San Diego, returning Mon, Jul 6, priced at ₩718,400 found 5 days ago
United
Thu, Jul 2 - Mon, Jul 6
DCA
Washington
SAN
San Diego
₩741,100 Roundtrip, found 5 days ago
₩741,100
Roundtrip
found 5 days ago
Select United flight, departing Thu, Jul 2 from Washington to San Diego, returning Mon, Jul 6, priced at ₩741,100 found 5 days ago
American Airlines
Thu, Jul 2 - Mon, Jul 6
DCA
Washington
SAN
San Diego
₩763,700 Roundtrip, found 5 days ago
₩763,700
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Jul 2 from Washington to San Diego, returning Mon, Jul 6, priced at ₩763,700 found 5 days ago
American Airlines
Thu, Jul 2 - Mon, Jul 6
DCA
Washington
SAN
San Diego
₩780,200 Roundtrip, found 5 days ago
₩780,200
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Jul 2 from Washington to San Diego, returning Mon, Jul 6, priced at ₩780,200 found 5 days ago
United
Thu, Jul 2 - Mon, Jul 6
DCA
Washington
SAN
San Diego
₩786,200 Roundtrip, found 5 days ago
₩786,200
Roundtrip
found 5 days ago
Select United flight, departing Thu, Jul 2 from Washington to San Diego, returning Mon, Jul 6, priced at ₩786,200 found 5 days ago
United
Thu, Jul 2 - Mon, Jul 6
DCA
Washington
SAN
San Diego
₩802,900 Roundtrip, found 5 days ago
₩802,900
Roundtrip
found 5 days ago
Select United flight, departing Thu, Jul 2 from Washington to San Diego, returning Mon, Jul 6, priced at ₩802,900 found 5 days ago
American Airlines
Thu, Jul 2 - Mon, Jul 6
DCA
Washington
SAN
San Diego
₩825,500 Roundtrip, found 5 days ago
₩825,500
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Jul 2 from Washington to San Diego, returning Mon, Jul 6, priced at ₩825,500 found 5 days ago
American Airlines
Thu, Jul 2 - Mon, Jul 6
DCA
Washington
SAN
San Diego
₩831,500 Roundtrip, found 5 days ago
₩831,500
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Jul 2 from Washington to San Diego, returning Mon, Jul 6, priced at ₩831,500 found 5 days ago
Delta
Thu, Jul 2 - Mon, Jul 6
DCA
Washington
SAN
San Diego
₩840,500 Roundtrip, found 5 days ago
₩840,500
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Jul 2 from Washington to San Diego, returning Mon, Jul 6, priced at ₩840,500 found 5 days ago
Delta
Tue, Jun 30 - Tue, Jul 7
DCA
Washington
SAN
San Diego
₩842,000 Roundtrip, found 5 days ago
₩842,000
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Jun 30 from Washington to San Diego, returning Tue, Jul 7, priced at ₩842,000 found 5 days ago

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

January is typically the cheapest month to fly

From ₩196,209 - ₩437,617 per traveler.

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 ₩718,400. 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.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
San Diego Intl.
Roundtrip price
₩718,400
Distance
3633 km
Average flight time
4 hours 26 mins
*Available to Expedia members.