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Washington San Diego - Cheap flights

Special flight deals from Washington to San Diego

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Find the best time to book cheap flights to San Diego

Flexible on travel dates? Discover the cheapest month to fly to San Diego

  • Cheapest round-trip flight

    from 306 USD

  • Cheapest month to travel

    August, October

  • The cheapest day to fly

    Tuesday

  • Lowest prices

    30 days before
Jul
457 USD
Aug
306 USD
Sep
346 USD
Oct
306 USD
Nov
??
Dec
387 USD
Jan
??
Feb
??
Mar
??
Apr
??
May
??
Jun
??

When is the best time to buy flight tickets?

Find out how far in advance it's worth booking round-trip flights.

  • 6 months before

    from

    889 USD

  • 3 months before

    from

    532 USD

  • 30 days before

    from

    498 USD

  • 7 days before

    from

    561 USD

  • 1 day before

    from

    860 USD

Discover the cheapest day to fly

Discover on which day of the week flights are usually the most affordable.
490 USD
Mon
307 USD
Tue
519 USD
Wed
854 USD
Thu
626 USD
Fri
832 USD
Sat
412 USD
Sun

General information

  • Local time (UTC-8)

  • Flight time from Washington

  • Local currency

    USD
San Diego
San Diego is a city located on the Pacific Ocean at the southwestern tip of California, near the Mexican border. It's the second-largest city in the state and the eighth in the USA. Renowned for its beautiful beaches and mild climate, San Diego attracts tourists year-round. Average temperatures range from 15 °C in winter to 25 °C in summer. Don't miss the historic Old Town park, the zoo, and Balboa Park. Spring and autumn are the ideal seasons to visit when the weather is most pleasant.