₩189,800 Cheap Flights from San Diego (SAN) to Washington (DCA)

View ₩189,800 flight on Tue, Sep 23, 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 ₩189,800 for one-way flights and ₩379,500 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 9 - Tue, Sep 16
SAN
San Diego
DCA
Washington
₩379,500 Roundtrip, found 4 days ago
₩379,500
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Sep 9 from San Diego to Washington, returning Tue, Sep 16, priced at ₩379,500 found 4 days ago
Delta
Sun, Aug 24 - Tue, Aug 26
SAN
San Diego
DCA
Washington
₩385,100 Roundtrip, found 4 hours ago
₩385,100
Roundtrip
found 4 hours ago
Select Delta flight, departing Sun, Aug 24 from San Diego to Washington, returning Tue, Aug 26, priced at ₩385,100 found 4 hours ago
Delta
Fri, Sep 19 - Tue, Sep 23
SAN
San Diego
DCA
Washington
₩393,200 Roundtrip, found 4 days ago
₩393,200
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Sep 19 from San Diego to Washington, returning Tue, Sep 23, priced at ₩393,200 found 4 days ago
Delta
Tue, Sep 16 - Thu, Sep 18
SAN
San Diego
DCA
Washington
₩395,000 Roundtrip, found 6 days ago
₩395,000
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Sep 16 from San Diego to Washington, returning Thu, Sep 18, priced at ₩395,000 found 6 days ago
Delta
Fri, Aug 22 - Wed, Aug 27
SAN
San Diego
DCA
Washington
₩397,000 Roundtrip, found 2 days ago
₩397,000
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Aug 22 from San Diego to Washington, returning Wed, Aug 27, priced at ₩397,000 found 2 days ago
American Airlines
Sat, Sep 20 - Mon, Sep 22
SAN
San Diego
DCA
Washington
₩413,100 Roundtrip, found 5 hours ago
₩413,100
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Sat, Sep 20 from San Diego to Washington, returning Mon, Sep 22, priced at ₩413,100 found 5 hours ago
United
Sat, Sep 20 - Mon, Sep 22
SAN
San Diego
DCA
Washington
₩434,500 Roundtrip, found 5 hours ago
₩434,500
Roundtrip
found 5 hours ago
Select United flight, departing Sat, Sep 20 from San Diego to Washington, returning Mon, Sep 22, priced at ₩434,500 found 5 hours ago
American Airlines
Sun, Aug 24 - Tue, Aug 26
SAN
San Diego
DCA
Washington
₩440,800 Roundtrip, found 4 hours ago
₩440,800
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sun, Aug 24 from San Diego to Washington, returning Tue, Aug 26, priced at ₩440,800 found 4 hours ago
United
Sat, Sep 20 - Mon, Sep 22
SAN
San Diego
DCA
Washington
₩448,100 Roundtrip, found 5 hours ago
₩448,100
Roundtrip
found 5 hours ago
Select United flight, departing Sat, Sep 20 from San Diego to Washington, returning Mon, Sep 22, priced at ₩448,100 found 5 hours ago
Delta
Fri, Aug 22 - Wed, Aug 27
SAN
San Diego
DCA
Washington
₩452,300 Roundtrip, found 2 days ago
₩452,300
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Aug 22 from San Diego to Washington, returning Wed, Aug 27, priced at ₩452,300 found 2 days ago

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

October is typically the cheapest month to fly

From ₩191,735 - ₩502,000 per traveler.

Graph displaying average flight prices per month

Flights from San Diego (SAN) to Washington (DCA)
Origin airport
San Diego Intl.
Destination airport
Ronald Reagan Washington National
Roundtrip price
₩379,500
Distance
3633 km
Average flight time
9 hours 52 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 ₩379,500. 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.

Explore a world of travel with Expedia

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*Available to Expedia members.