₩178,000 Cheap Flights from San Diego (SAN) to Washington (DCA)

View ₩178,000 flight on Tue, Nov 4, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at ₩178,000 for one-way flights and ₩526,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Nov 21 - Thu, Nov 27
SAN
San Diego
DCA
Washington
₩526,700 Roundtrip, found 8 hours ago
₩526,700
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Nov 21 from San Diego to Washington, returning Thu, Nov 27, priced at ₩526,700 found 8 hours ago
Delta
Fri, Nov 21 - Thu, Nov 27
SAN
San Diego
DCA
Washington
₩582,600 Roundtrip, found 8 hours ago
₩582,600
Roundtrip
found 8 hours ago
Select Delta flight, departing Fri, Nov 21 from San Diego to Washington, returning Thu, Nov 27, priced at ₩582,600 found 8 hours ago
United
Fri, Nov 21 - Thu, Nov 27
SAN
San Diego
DCA
Washington
₩582,600 Roundtrip, found 8 hours ago
₩582,600
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Nov 21 from San Diego to Washington, returning Thu, Nov 27, priced at ₩582,600 found 8 hours ago
United
Fri, Nov 21 - Thu, Nov 27
SAN
San Diego
DCA
Washington
₩584,000 Roundtrip, found 8 hours ago
₩584,000
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Nov 21 from San Diego to Washington, returning Thu, Nov 27, priced at ₩584,000 found 8 hours ago
United
Fri, Nov 21 - Thu, Nov 27
SAN
San Diego
DCA
Washington
₩596,700 Roundtrip, found 8 hours ago
₩596,700
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Nov 21 from San Diego to Washington, returning Thu, Nov 27, priced at ₩596,700 found 8 hours ago
United
Fri, Nov 21 - Thu, Nov 27
SAN
San Diego
DCA
Washington
₩610,500 Roundtrip, found 8 hours ago
₩610,500
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Nov 21 from San Diego to Washington, returning Thu, Nov 27, priced at ₩610,500 found 8 hours ago
United
Fri, Nov 21 - Thu, Nov 27
SAN
San Diego
DCA
Washington
₩638,500 Roundtrip, found 8 hours ago
₩638,500
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Nov 21 from San Diego to Washington, returning Thu, Nov 27, priced at ₩638,500 found 8 hours ago
Delta
Fri, Nov 21 - Thu, Nov 27
SAN
San Diego
DCA
Washington
₩639,900 Roundtrip, found 8 hours ago
₩639,900
Roundtrip
found 8 hours ago
Select Delta flight, departing Fri, Nov 21 from San Diego to Washington, returning Thu, Nov 27, priced at ₩639,900 found 8 hours ago
United
Fri, Nov 21 - Thu, Nov 27
SAN
San Diego
DCA
Washington
₩652,600 Roundtrip, found 8 hours ago
₩652,600
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Nov 21 from San Diego to Washington, returning Thu, Nov 27, priced at ₩652,600 found 8 hours ago
American Airlines
Fri, Nov 21 - Thu, Nov 27
SAN
San Diego
DCA
Washington
₩655,400 Roundtrip, found 8 hours ago
₩655,400
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Fri, Nov 21 from San Diego to Washington, returning Thu, Nov 27, priced at ₩655,400 found 8 hours ago

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

January is typically the cheapest month to fly

From ₩191,450 - ₩534,838 per traveler.
Flights from San Diego (SAN) to Washington (DCA)
Origin airport
San Diego Intl.
Destination airport
Ronald Reagan Washington National
Roundtrip price
₩526,700
Distance
3633 km
Average flight time
10 hours 47 mins

San Diego to Washington Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from San Diego to Washington will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Washington.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SAN to DCA flights that won’t make your bank account wince. Ready to temporarily leave behind San Diego for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to DCA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

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 ₩526,700. 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 kilometers. 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.

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