S$168 Cheap Flights from San Diego to Washington

View S$168 flight on Sat, 10 Jan, 2026Opens 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 S$168 for one-way flights and S$335 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 10 Jan - Wed, 14 Jan
SAN
San Diego
DCA
Washington
S$335 Return, found 3 hours ago
S$335
Return
found 3 hours ago
Select Delta flight, departing Sat, 10 Jan from San Diego to Washington, returning Wed, 14 Jan, priced at S$335 found 3 hours ago
Delta
Sat, 10 Jan - Wed, 14 Jan
SAN
San Diego
DCA
Washington
S$401 Return, found 3 hours ago
S$401
Return
found 3 hours ago
Select Delta flight, departing Sat, 10 Jan from San Diego to Washington, returning Wed, 14 Jan, priced at S$401 found 3 hours ago
United
Sat, 10 Jan - Wed, 14 Jan
SAN
San Diego
DCA
Washington
S$426 Return, found 3 hours ago
S$426
Return
found 3 hours ago
Select United flight, departing Sat, 10 Jan from San Diego to Washington, returning Wed, 14 Jan, priced at S$426 found 3 hours ago
American Airlines
Sat, 10 Jan - Wed, 14 Jan
SAN
San Diego
DCA
Washington
S$465 Return, found 3 hours ago
S$465
Return
found 3 hours ago
Select American Airlines flight, departing Sat, 10 Jan from San Diego to Washington, returning Wed, 14 Jan, priced at S$465 found 3 hours ago
United
Sat, 10 Jan - Wed, 14 Jan
SAN
San Diego
DCA
Washington
S$466 Return, found 3 hours ago
S$466
Return
found 3 hours ago
Select United flight, departing Sat, 10 Jan from San Diego to Washington, returning Wed, 14 Jan, priced at S$466 found 3 hours ago
Delta
Sat, 10 Jan - Wed, 14 Jan
SAN
San Diego
DCA
Washington
S$468 Return, found 3 hours ago
S$468
Return
found 3 hours ago
Select Delta flight, departing Sat, 10 Jan from San Diego to Washington, returning Wed, 14 Jan, priced at S$468 found 3 hours ago
United
Sat, 10 Jan - Wed, 14 Jan
SAN
San Diego
DCA
Washington
S$485 Return, found 3 hours ago
S$485
Return
found 3 hours ago
Select United flight, departing Sat, 10 Jan from San Diego to Washington, returning Wed, 14 Jan, priced at S$485 found 3 hours ago
United
Sat, 10 Jan - Wed, 14 Jan
SAN
San Diego
DCA
Washington
S$492 Return, found 3 hours ago
S$492
Return
found 3 hours ago
Select United flight, departing Sat, 10 Jan from San Diego to Washington, returning Wed, 14 Jan, priced at S$492 found 3 hours ago

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

January is typically the cheapest month to fly

From S$180 - S$447 per traveller.
San Diego to Washington route information
Origin airport
San Diego Intl.
Destination airport
Ronald Reagan Washington National
Return price
S$334
Distance
3633 km
Average flight time
9 hours 15 mins

Perfect flights from San Diego to Washington

Your Journey from San Diego to Washington

Start your unforgettable journey with Expedia. Our broad selection of flights from San Diego to Washington caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, American Airlines, United. Our selection of flights from San Diego Intl. to Ronald Reagan Washington National caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 14 airlines, you're bound to find the perfect flight.
 

Maximizing Value with San Diego to Washington Flights

Experience the joy of finding cheap flights from San Diego Intl. to Ronald Reagan Washington National 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$335*.
 

Pre-Flight Essentials

Ensure a smooth journey from San Diego to Washington with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Washington

Picture yourself stepping off the plane in Washington and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your San Diego to Washington Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from San Diego to Washington.
 

Beyond the Flight – Exploring Washington

With Expedia, your adventure extends beyond the flight. Explore Washington at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from San Diego to Washington with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from San Diego to Washington with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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 S$335. 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 kilometres. 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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