Alaska Airlines is selling cheap flights from Boston to San Diego for as low as $119 return! That works out to a cost of just 2.3 Cents Per Mile for this 5200 mile journey.

The fare only includes carry-on luggage, so you need to pay extra if you want to check bags.

Our data shows the lowest prices are available in February 2022. See the link(s) below for dates and prices.

Sample date(s) with Kiwi.com booking link

Feb 1 – Feb 14 ($161)


Feb 1 – Feb 14 ($161)


Feb 1 – Feb 14 ($161)


Feb 4 – Feb 9 ($144)


Feb 4 – Feb 9 ($144)


Feb 4 – Feb 9 ($144)


Feb 5 – Feb 12 ($136)


Feb 5 – Feb 12 ($136)


Feb 5 – Feb 12 ($136)


Feb 8 – Feb 12 ($122)


Feb 8 – Feb 12 ($122)


Feb 8 – Feb 12 ($122)


Feb 9 – Feb 15 ($136)


Feb 9 – Feb 15 ($136)


Feb 9 – Feb 15 ($136)


Feb 12 – Feb 21 ($153)


Feb 12 – Feb 21 ($153)


Feb 12 – Feb 21 ($153)


Feb 15 – Feb 23 ($159)


Feb 15 – Feb 23 ($159)


Feb 15 – Feb 23 ($159)


Feb 16 – Feb 23 ($155)


Feb 16 – Feb 23 ($155)


Feb 16 – Feb 23 ($155)


Feb 26 – Mar 5 ($119)


Feb 26 – Mar 5 ($119)


Feb 26 – Mar 5 ($119)


Mar 1 – Mar 9 ($154)


Mar 1 – Mar 9 ($154)


Mar 1 – Mar 9 ($154)

Are you looking for an apartment to rent for your stay in San Diego? Check out what Vrbo.com has to offer!

We post many cheap flights like this one from Boston to San Diego every single day, so have a look at our Travel Deals page, or check out the related posts below!

Note: Prices are valid at the time of publishing this post, but may change in the future.

COVID-19 Note: During these uncertain times, please make sure to check the relevant Coronavirus restrictions for your destination before you book and before you fly. We recommend also checking the refund policy of the airline, as well as purchasing travel insurance for your trip.