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Flights from San Francisco to San Diego Starting at £11

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from San Francisco to San Diego

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from San Francisco to San Diego

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From £11
Alaska Airlines
From £30
Southwest Airlines
From £35
Delta Air Lines
From £49
United Airlines
From £58
American Airlines
From £62
ANA airlines

Find more flights and airlines

Alternative Routes from San Francisco to San Diego

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from San Francisco to San Diego.

  • Cheapest
    Frontier Airlines
    SFO
    18:41
    1h 33m
    Direct
    SAN
    20:14
    San Francisco International Airport - San Diego International Airport
    Sat, Apr 13Frontier Airlines
    £11
  • Frontier Airlines
    SFO
    18:41
    1h 33m
    Direct
    SAN
    20:14
    San Francisco International Airport - San Diego International Airport
    Sat, Apr 13Frontier Airlines
    £11
    Find More Flights

How do I find the cheapest flights?

Flight Information from San Francisco to San Diego

Cheapest direct flight price

£11

Cheapest return ticket price

£30

Cheapest month

April

Peak season for travel

September