Flights from Boston to San Diego

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Boston to San Diego flight comparison made easy

Below you can see the best fares for your route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Boston to San Diego by changing tabs
Quickest
Cheapest
Spirit Airlines
Spirit Airlines
04 Jun
BOS
8:10 am
Boston Logan Intl airport
9h 36m
2 Stops
2:46 pm
SAN
San Diego airport
Spirit Airlines
11 Jun
SAN
8:30 am
San Diego airport
11h 29m
1 Stop
10:59 pm
BOS
Boston Logan Intl airport
217 USD
Frontier
Frontier
21 Sep
BOS
2:00 am
Boston Logan Intl airport
20h 31m
1 Stop
7:31 pm
SAN
San Diego airport
Frontier
25 Sep
SAN
8:53 am
San Diego airport
11h 41m
1 Stop
11:34 pm
BOS
Boston Logan Intl airport
229 USD
United Airlines
United Airlines
12 Sep
BOS
2:00 am
Boston Logan Intl airport
8h 32m
1 Stop
7:32 am
SAN
San Diego airport
United Airlines
17 Sep
SAN
8:53 am
San Diego airport
11h 41m
1 Stop
11:34 pm
BOS
Boston Logan Intl airport
232 USD
JetBlue
JetBlue
27 Sep
BOS
4:00 am
Boston Logan Intl airport
6h 16m
7:16 am
SAN
San Diego airport
JetBlue
02 Oct
SAN
4:11 am
San Diego airport
9h 48m
1 Stop
4:59 pm
BOS
Boston Logan Intl airport
272 USD
JetBlue
JetBlue
26 Oct
BOS
4:00 am
Boston Logan Intl airport
6h 16m
7:16 am
SAN
San Diego airport
JetBlue
03 Nov
SAN
3:03 am
San Diego airport
9h 52m
1 Stop
3:55 pm
BOS
Boston Logan Intl airport
277 USD
Sun Country Air
Sun Country Air
30 May
BOS
7:35 am
Boston Logan Intl airport
8h 21m
1 Stop
12:56 pm
SAN
San Diego airport
Sun Country Air
31 May
SAN
6:27 am
San Diego airport
8h 16m
1 Stop
5:43 pm
BOS
Boston Logan Intl airport
257 USD

How to get the cheapest flight from Boston to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight for your trip
CHEAPEST MONTH TO FLY
January
The cheapest time of year to fly to San Diego from Boston is January. Most expensive is December
CHEAPEST DAY TO FLY
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday
CHEAPEST TIME TO FLY
in the Evening
Boston to San Diego flights are approximately 36% more expensive in the Afternoon than in the Evening
CHEAPEST AIRLINE
Sun Country Air
Sun Country Air, Major Airline, and Spirit Airlines are the most popular carriers operating from Boston to San Diego
CHEAPEST ROUTE
Boston Logan Intl - San Diego
Fly from Boston Logan Intl to San Diego for the best Boston - San Diego flight prices
BOS
Boston Logan Intl
SAN
San Diego
CHEAPEST TIME TO BOOK
47 days before
The cheapest time to buy a flight from Boston to San Diego is approximately 47 days to departure
60
Days before departure
0

Flight information for Boston to San Diego

Find info about flight duration, direct flights, and airports for your flight from Boston to San Diego
Fastest flight time
6h 20m
The fastest flight from Boston to San Diego takes 6h 20m.
Direct flights
Every day
Direct flights go from Boston to San Diego every day.
Airports in San Diego
2 airports
There are 2 airports near San Diego: San Diego (SAN), San Diego Carlsbad-Palomar (CLD)

Alternative routes for Boston to San Diego

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times

Flights from Boston to:

Flights to San Diego from:

  • Boston Logan Intl
  • Massachusetts
  • United States
  • North America