From the Potomac to the Pacific: Best Flight Deals from DCA to SAN
Cheapest flight found
$164
Last updated Mar 13, 2026
Prices by Month
Price History
Tracking the May 7, 2026 departure — the cheapest date we found.
Price Behavior: DCA → SAN
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$164
Highest Fare
$239
Median Fare
$239
Price Spread
$75
Prices fluctuate moderately — tracking can help you catch dips.
Cheapest month to fly: May 2026 (from $164)
Most expensive month: July 2026 (from $239)
Biggest price drop caught: $57 between consecutive checks
Most frequent cheapest airline: Southwest
What This Means for You
Flights from Washington DC to San Diego range from $164 to $239, a $75 spread across the months we track. If your dates are flexible, May 2026 tends to have the lowest fares. Prices move enough that tracking can save you money — drops often last only a few hours before the algorithm adjusts back up. We have caught drops as large as $57 between hourly checks on this route.
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From
Washington DC (DCA)
To
San Diego (SAN)
Airport Information
Washington DC (DCA)
Ronald Reagan Washington National Airport (DCA) is the primary gateway for travelers staying in downtown D.C. or Northern Virginia. Located just across the Potomac River, it offers unparalleled convenience. The airport is renowned for its efficient layout and the stunning views of the Washington Monument and the U.S. Capitol building during departure, especially when following the 'river visual' flight path.
San Diego (SAN)
San Diego International Airport (SAN) is uniquely situated just three miles northwest of the city center, making it one of the most conveniently located airports in the country. Upon landing, passengers are treated to dramatic views of the downtown skyline. The airport features two terminals and serves as a major gateway for the U.S. Navy and the booming Southern California biotech industry.
Frequently Asked Questions
How long is the flight from DCA to San Diego?
A non-stop flight usually takes about 5 hours and 45 minutes, while connecting flights typically range from 7 to 10 hours depending on the layover duration.
Which airlines offer direct flights from DCA to SAN?
Alaska Airlines is the primary carrier providing non-stop service between Reagan National and San Diego, though many other airlines like American and United offer one-stop connections through their hubs.
What is the best way to get from SAN to downtown San Diego?
The airport is extremely close to downtown; you can use the Flyer shuttle to reach the Trolley system, or take a quick 10-minute rideshare or taxi directly to the Gaslamp Quarter.
Are there more flight options if I fly from IAD instead of DCA?
Yes, Dulles International Airport (IAD) generally offers more non-stop options to San Diego with carriers like United, but DCA is often preferred by travelers for its proximity to central D.C.
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