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Denver San Diego - Cheap flights

Special flight deals from Denver 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 141 USD

  • Cheapest month to travel

    September, October

  • The cheapest day to fly

    Tuesday

  • Lowest prices

    3 months before
Sep
141 USD
Oct
141 USD
Nov
??
Dec
198 USD
Jan
198 USD
Feb
??
Mar
??
Apr
??
May
??
Jun
268 USD
Jul
??
Aug
??

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

    286 USD

  • 3 months before

    from

    212 USD

  • 30 days before

    from

    251 USD

  • 7 days before

    from

    493 USD

  • 1 day before

    from

    463 USD

Discover the cheapest day to fly

Discover on which day of the week flights are usually the most affordable.
292 USD
Mon
209 USD
Tue
329 USD
Wed
303 USD
Thu
310 USD
Fri
324 USD
Sat
210 USD
Sun

General information

  • Local time (UTC-8)

  • Flight time from Denver

  • 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.