$182 Find Cheap Flights from San Diego to Reagan Washington National Airport - Compare and Save

Among airlines operating San Diego to Washington, D.C. Reagan-National Airport flights:

• Alaska Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only Alaska Airlines operates flights between San Diego and Washington, D.C. Reagan-National Airport.

Flights from San Diego to Washington, D.C. Reagan-National Airport usually depart from San Diego (SAN) and arrive at Washington, D.C. Reagan-National (DCA).

Here are some options for this route, based on selected ticket types and cabin classes:

• Alaska Airlines: a cabin bag and a checked bag in Economy Class
• Hawaiian Airlines: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Three cabin classes are available on flights from San Diego to Washington, D.C. Reagan-National Airport:

• Economy Class
• Business Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $309 round-trip via Newark (EWR), compared to $397 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $52–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Alaska Airlines and Southwest. Other aircraft seen on the route include Boeing 737 MAX 9 variants.

One-stop flights from San Diego to Washington, D.C. Reagan-National Airport most commonly connect through:

• Denver Intl (DEN) - 70% of one-stop connections
• Chicago O'Hare Intl (ORD) - 5% of one-stop connections
• Austin Bergstrom (AUS) - 5% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 4% of one-stop connections

Denver Intl (DEN) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 25% on the San Diego to Washington, D.C. Reagan-National Airport route. Thursday is the cheapest departure day at $345 round-trip on average, while Sunday is the most expensive at $456, a difference of $111. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the San Diego to Washington, D.C. Reagan-National Airport route, 25% of flights were delayed in the past 3 months, with delays averaging 2 hours 49 minutes.

Afternoon is the busiest departure period on San Diego to Washington, D.C. Reagan-National Airport flights, with 100% of flights leaving in that window. Morning departures account for 0%, evening flights for 0%, and night flights for 0%.

Some of the most popular sights in Washington, D.C. Reagan-National Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Reagan-National Airport on KAYAK.

These are the earliest and latest flight times available from San Diego to Washington, D.C. Reagan-National Airport:

• Earliest: departs at 12:39 pm and lands at 5:50 pm
• Latest: departs at 1:06 pm and lands at 6:17 pm.

The flight takes about 5h 11m.

Last-minute fares on this route - booked within 2 weeks of departure - run 18% above the route average of $375. Book 10 weeks before departure for the lowest fares.

A nonstop flight from San Diego to Washington, D.C. Reagan-National Airport takes 5h 11m, covering 2,270 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $342 to $2,963. That means the highest observed fare was about 9x higher than the lowest one.

One-way fares from San Diego to Washington, D.C. Reagan-National Airport are currently lower than usual. Average one-way flight prices are about $190, which is 26% below the typical average for this route.

Alaska Airlines is the only airline operating San Diego to Washington, D.C. Reagan-National Airport flights. 75% of its flights are on time.

Afternoon flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Lambert-St Louis (STL) gives the shortest average 1-stop total travel time at 7h 01m, compared with 7h 02m via Austin Bergstrom (AUS) and 7h 08m via Dallas Love Field (DAL).

Washington, D.C. Reagan-National Airport is 3 hours ahead of San Diego (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Washington, D.C. Reagan-National Airport (DCA) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:
• Sixt
• Dollar
• Thrifty
• Alamo
• Budget

Round-trip flights from San Diego to Washington, D.C. Reagan-National Airport range from $282 to $488, with an average of $375 over the past 12 months. Anything below $282 counts as a good deal.

Alaska Airlines is the only airline on the San Diego to Washington, D.C. Reagan-National Airport route offering in-flight Wi-Fi. Pricing depends on fare class.