Cheap flights from Washington, D.C. to San Diego

Flights starting at $84. Choose between United Airlines, Delta Air Lines, or Frontier Airlines to find the best price.

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Round trips

Updated:

One-way trips

Washington, D.C. DCADenver DENSan Diego SAN

Frontier Airlines

$90
Washington, D.C. DCADenver DENSan Diego SAN

Frontier Airlines

$110

Updated:

2251 miles
Distance
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Travelers usually depart from Baltimore–Washington International, Washington Dulles International, Ronald Reagan Washington National, Washington, DC - Union Station, or Washington DC - Parking Convention Center DC when they travel from Washington, D.C. to San Diego. Book your trip to arrive at San Diego International, San Diego, CA Bus Station, San Diego, CA - Old Town, McClellan–Palomar, or San Diego, CA - La Jolla. The distance between Washington, D.C. and San Diego is 3622 km. The most popular airlines for this route are United Airlines, Delta Air Lines, Frontier Airlines, Spirit Airlines, and American Airlines. Washington, D.C. and San Diego have 401 direct flights per week.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Direct flights3333333
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United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from Washington, D.C. to San Diego

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
American AirlinesAALAAYesNo

United States COVID-19 travel restrictions

Your trip summary

Most travelers from Baltimore, BWI can enter San Diego, SAN.

Departure

Additional information
  • Masks are recommended in certain settings

Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.

Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

Frequently asked questions

How long does it take to travel from Washington, D.C. to San Diego?
A one-way nonstop (direct) flight between Washington, D.C. and San Diego takes around 5.8 hours.
What is the flight distance between Washington, D.C. and San Diego?
The flight distance between Washington, D.C. and San Diego is 3622 km.
What airlines offer nonstop (direct) flights between Washington, D.C. and San Diego?
Several carriers operate flights between Washington, D.C. and San Diego. Airlines offering nonstop (direct) flights include United Airlines.
What are the most popular routes to and from Washington, D.C.?
Travelers frequently search for route combinations, such as Washington, D.C. and Denver, Las Vegas, Orlando, San Francisco, Los Angeles, Austin, Phoenix, Atlanta, Fort Lauderdale, London, Salt Lake City, Chicago, New Orleans, Houston, San Salvador, Paris, Dallas, Barcelona, Tampa, Mexico City.
What are the most popular routes to and from San Diego?
Travelers frequently search for route combinations, such as San Diego and Denver, Las Vegas, Austin, Cincinnati, Philadelphia, New York, Phoenix, Charlotte, Atlanta, Raleigh, Chicago, Orlando, San Antonio, Detroit, Dallas, St. Louis, Cleveland, Salt Lake City, Minneapolis, London.
Which airports are there in Washington, D.C.?
Washington, D.C. is mainly served by Baltimore–Washington International. But there are other airports nearby, including Washington Dulles International, Ronald Reagan Washington National.
What airports are near Washington, D.C.?
The main airport in Washington, D.C. is Baltimore–Washington International. It is also served by Philadelphia International, Richmond International, Norfolk International, Trenton–Mercer, Harrisburg International, Lehigh Valley International, Atlantic City International, Lancaster, Shenandoah Valley Regional, Altoona–Blair County.
What airports are near San Diego?
The main airport in San Diego is San Diego International. It is also served by Los Angeles International, Tijuana International, John Wayne, Ontario International, Hollywood Burbank, Mexicali International, Palm Springs International, Imperial County, Long Beach, Yuma International.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Washington, D.C. and San Diego?
Yes, it's possible to combine different modes of transport between Washington, D.C. and San Diego thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Washington, D.C. and San Diego can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
What is Virtual Interlining and how do I use it?
Which airlines fly between Washington, D.C. and San Diego?
When's the best time to travel between Washington, D.C. and San Diego?
What flights operate between Washington, D.C. and San Diego?
How many airports are there near Washington, D.C.?
How many airports are there near San Diego?
What time do nonstop (direct) flights between Washington, D.C. and San Diego depart?
What time do nonstop (direct) flights between Washington, D.C. and San Diego arrive?
What time do flights between Washington, D.C. and San Diego depart?
What time do flights between Washington, D.C. and San Diego arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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