Cheap flights from San Diego to Washington, D.C.
Fares from $109 in December 2026. Compare every month below, then book with the site you like.
Search San Diego → Washington, D.C. flightsCheapest San Diego to Washington, D.C. fares by month
Lowest price per person found in recent searches. Prices change often and are checked when you book.
- November 2026Nov 3 · one way · Frontier · 1 stop$211See deal
- December 2026Dec 7 · one way · Frontier · 3 stops$109See deal
San Diego to Washington, D.C. at a glance
- Distance2,248 miles
- Nonstop flight timeabout 5h 15m
- Cheapest monthDecember 2026
- Airport codesSAN → WAS
Plan your Washington, D.C. trip
Cheap hotels in Washington, D.C.Cheap car rental in Washington, D.C.Things to do in Washington, D.C.Flights from Washington, D.C. to San Diego
Travel guides
Frequently asked questions
- How much is a flight from San Diego to Washington, D.C.?
- The cheapest fare we found recently is $109 per person, departing Dec 7 on Frontier. Prices change daily, so search your dates to see today's fares.
- What is the cheapest month to fly from San Diego to Washington, D.C.?
- December 2026 is currently the cheapest month, from $109. November 2026 is the most expensive, from $211.
- Are there direct flights from San Diego to Washington, D.C.?
- The cheapest fares we found recently have at least one stop. Nonstop flights may still exist at a higher price; tick "Direct only" in the search to check.
- Which airlines fly from San Diego to Washington, D.C.?
- The cheapest recent fares on this route were on Frontier.
- How long is the flight from San Diego to Washington, D.C.?
- San Diego and Washington, D.C. are about 2,248 miles apart, so a nonstop flight takes roughly 5h 15m. Flights with a stop take longer, depending on the connection.
- How do I find the cheapest flight from San Diego to Washington, D.C.?
- Search your dates on Gotoesy. We list fares from several booking sites sorted cheapest first, show nearby dates when your day has no saved fare, and send you straight to the seller to book.
More flights from San Diego
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- San Diego to San Francisco
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- San Diego to Atlanta
- San Diego to Dallas
- San Diego to Houston
- San Diego to Seattle
More flights to Washington, D.C.
- New York to Washington, D.C.
- Los Angeles to Washington, D.C.
- Chicago to Washington, D.C.
- Miami to Washington, D.C.
- Orlando to Washington, D.C.
- Las Vegas to Washington, D.C.
- San Francisco to Washington, D.C.
- Boston to Washington, D.C.
- Atlanta to Washington, D.C.
- Dallas to Washington, D.C.
- Houston to Washington, D.C.
- Seattle to Washington, D.C.