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Flights from Boston to San Diego Starting at AU$ 158

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

  • One way
  • Return

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

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

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

Spirit Airlines
From AU$ 158
American Airlines
From AU$ 158
Alaska Airlines
From AU$ 164
Frontier Airlines
From AU$ 170
Sun Country Airlines
From AU$ 171
Delta Air Lines
From AU$ 174
Jetblue Airways
From AU$ 197
Southwest Airlines
From AU$ 205
United Airlines
From AU$ 223
Southern Airways Express
From AU$ 873
ANA airlines

Find more flights and airlines

Alternative Routes from Boston to San Diego

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

  • Cheapest
    Spirit Airlines
    BOS
    13:42
    21h 3m
    1 transfer
    SAN
    07:45
    General Edward Lawrence Logan International Airport - San Diego International Airport
    Mon, Apr 29Spirit Airlines
    AU$ 158
  • Southern Airways Express
    BNH
    09:20
    16h 37m
    1 transfer
    SAN
    22:57
    Hartford Barnes Airport - San Diego International Airport
    Sun, Apr 14Southern Airways Express
    AU$ 873
  • Southern Airways Express
    BNH
    09:20
    16h 37m
    1 transfer
    SAN
    22:57
    Hartford Barnes Airport - San Diego International Airport
    Sun, Apr 14Southern Airways Express
    AU$ 873
    Find More Flights

How do I find the cheapest flights?

Flight Information from Boston to San Diego

Cheapest direct flight price

AU$ 158

Cheapest return ticket price

AU$ 336

Off-season for travel

December

Peak season for travel

September