Flight Routes from Boston to San Diego

Trip type

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
Best option
Boston
San Diego
Outbound
07/26/26
direct
B60619
06h 05min
Return
08/05/26
direct
AS0255
05h 51min
JetBlue Airways ?
$412
Boston
San Diego
Outbound
07/26/26
direct
AS0256
06h 18min
Return
08/05/26
direct
AS0255
05h 51min
Alaska Airlines
$445
Boston
San Diego
Outbound
07/26/26
direct
B60619
06h 05min
Return
08/05/26
direct
B62120
05h 39min
JetBlue Airways ?
$446
Boston
San Diego
Outbound
07/26/26
direct
AS0256
06h 18min
Return
08/05/26
direct
AS0255
05h 51min
Alaska Airlines ?
$451
Boston
San Diego
Outbound
07/26/26
direct
AS0256
06h 18min
Return
08/05/26
direct
AS0255
05h 51min
Alaska Airlines ?
$478
Boston
San Diego
Outbound
06/25/26
1 Stopover (LAX)
UA0639, UA0594
08h 28min
Return
06/30/26
1 Stopover (IAD)
UA2129, UA0641
09h 35min
United Airlines
$490
Boston
San Diego
Outbound
06/25/26
direct
AS0389
06h 23min
Return
06/30/26
direct
AS0255
05h 51min
Alaska Airlines ?
$510
Boston
San Diego
Outbound
07/26/26
direct
AS0256
06h 18min
Return
08/05/26
direct
AS0390
05h 51min
Alaska Airlines
$520
Boston
San Diego
Outbound
06/25/26
1 Stopover (MSP)
SY0252, SY0407
08h 27min
Return
06/30/26
1 Stopover (ORD)
AS1478, AS4734
08h 35min
Sun Country Airlines
$524
Boston
San Diego
Outbound
06/25/26
1 Stopover (DEN)
UA2433, F94989
30h 16min
Return
06/30/26
2 Stopovers (LAS, CLT)
F91326, AA2957, AA1552
20h 08min
United Airlines, Frontier Airlines ?
$553
Prices based on recent searches, subject to last-minute changes
Page 1 / 2

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 USD
356 USD
305 USD
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 USD
75 %
2 stopovers Hartsfield-Jackson Atlanta International Airport, GA Las Vegas - McCarran International Airport, NV
22h 52min, from 349 USD
17 %
2 stopovers Fort Lauderdale-Hollywood International Airport, FL Las Vegas - McCarran International Airport, NV
20h 19min, from 305 USD
8 %

Important flight information

Flight information: Boston - San Diego

Roundtrip from 411,90 USD
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