Cheap flights from Washington to San Diego
Compare hundreds of airlines Washington–San Diego
Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Washington to San Diego, a about 3,653 km route (around 5h nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as United Airlines operate this route.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Washington to San Diego?
Prices vary by season; use the price calendar to find the cheapest month.
How long is the flight from Washington to San Diego?
A nonstop flight takes about 5h and covers around 3,653 km. Connecting itineraries take longer.
Are there direct flights from Washington to San Diego?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Washington to San Diego?
United Airlines operate this route, among others. Compare them all in the results.
When should I book Washington–San Diego flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Washington → San Diego · Live fares from 100+ sites — free, with no hidden fees.