Flights from Boston to San Diego

Our cheapest offers for flights from Boston to San Diego

Here you can compare cheap flights from Boston (BOS) to San Diego (SAN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to San Diego. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Boston
San Diego
Outbound
04/12/25
direct
AS0389
06h 47min
Return
04/27/25
2 Stopovers (DEN, ATL)
F92818, F93294, F93512
26h 23min
Alaska Airlines ?
$258
found 2 days ago
Best option
Boston
San Diego
Outbound
06/20/25
direct
AS0389
06h 24min
Return
07/19/25
direct
AS0259
05h 54min
Alaska Airlines ?
$313
Boston
San Diego
Pay attention to transfer at connecting flight
Outbound
04/12/25
2 Stopovers (DTW, LAS)
NK0189, NK0825, NK0951
35h 31min
Return
04/27/25
2 Stopovers (LAS, ATL)
NK0384, NK0853, NK0214
35h 12min
Spirit Airlines
$281
found 2 days ago
Boston
San Diego
Outbound
04/12/25
3 Stopovers (MYR, DTW, LAS)
NK0870, NK0513, NK0825, NK0951
36h 01min
Return
04/27/25
2 Stopovers (LAS, DTW)
NK0384, NK0817, NK0180
21h 15min
Spirit Airlines ?
$307
found 2 days ago
Boston
San Diego
Outbound
06/20/25
1 Stopover (MSP)
SY0252, SY0407
08h 45min
Return
07/19/25
direct
AS0259
05h 54min
Sun Country Airlines
$314
Boston
San Diego
Outbound
06/20/25
direct
AS0389
06h 24min
Return
07/19/25
direct
AS0259
05h 54min
Alaska Airlines ?
$322
Boston
San Diego
Outbound
06/20/25
direct
B60619
06h 09min
Return
07/19/25
direct
B62120
05h 39min
JetBlue Airways ?
$325
Boston
San Diego
Outbound
06/20/25
direct
AS0389
06h 24min
Return
07/19/25
direct
AS0259
05h 54min
Alaska Airlines
$337
Boston
San Diego
Outbound
06/10/25
direct
AS0505
06h 23min
Return
06/29/25
direct
AS0259
05h 54min
Alaska Airlines ?
$348
Boston
San Diego
Outbound
04/12/25
direct
AS0389
06h 47min
Return
04/27/25
1 Stopover (MSP)
SY0408, SY0251
13h 44min
Alaska Airlines
$355
found 2 days ago
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Boston to San Diego

Favorite airline: Sun Country Airlines
Most travelers looking for flights on the route from Boston to San Diego decide to book flights with Sun Country Airlines.
Sun Country Airlines
33 %
Spirit Airlines
19 %
United Airlines
15 %
Stopover flights are the cheapest connection
Flights with a stopover are on average $346.00 cheaper than direct flights.
non stop flight
1 stop
2 stops
06h 24min
09h 25min
20h 19min
$ 651
$ 356
$ 305
Favourite connection: via Minneapolis
The most popular route is via Minneapolis and is booked by 75 % of all travelers.
Route
bookings
1 stopover Minneapolis - St. Paul International Airport, MN
08h 32min, from $ 517
75 %
2 stopovers Hartsfield-Jackson Atlanta International Airport, GA Las Vegas - McCarran International Airport, NV
22h 52min, from $ 349
17 %
2 stopovers Fort Lauderdale-Hollywood International Airport, FL Las Vegas - McCarran International Airport, NV
20h 19min, from $ 305
8 %

Important flight information

Flight information: Boston - San Diego

Roundtrip from $ 257,92
Flight duration min. 06:37 / max. 10:15
Return flight duration min. 05:14/ max. 07:45
Distance 4160 km
Flights per week 30
Departure airport Airport Boston Logan International Airport, MA (BOS)
Arrival airport Airport San Diego - Lindberg Field International, CA (SAN)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to San Diego
Flight destinations with a similar price
Flight destinations with a similar price