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
08 Oct
BOS
12:02 pm
Boston Logan Intl airport
9h 57m
1 Stop
6:59 pm
SAN
San Diego airport
Spirit Airlines
19 Oct
SAN
12:40 pm
San Diego airport
7h 44m
1 Stop
11:24 pm
BOS
Boston Logan Intl airport
173 USD
Spirit Airlines
Spirit Airlines
10 Sep
BOS
12:02 pm
Boston Logan Intl airport
9h 57m
2 Stops
6:59 pm
SAN
San Diego airport
Spirit Airlines
16 Sep
SAN
8:53 am
San Diego airport
11h 28m
1 Stop
11:21 pm
BOS
Boston Logan Intl airport
176 USD
Spirit Airlines
Spirit Airlines
19 Sep
BOS
12:02 pm
Boston Logan Intl airport
9h 57m
1 Stop
6:59 pm
SAN
San Diego airport
Spirit Airlines
02 Oct
SAN
8:53 am
San Diego airport
11h 28m
1 Stop
11:21 pm
BOS
Boston Logan Intl airport
177 USD
Major Airline
Major Airline
11 Jan
BOS
2:30 pm
Boston Logan Intl airport
6h 29m
5:59 pm
SAN
San Diego airport
Major Airline
19 Jan
SAN
1:40 am
San Diego airport
5h 55m
10:35 am
BOS
Boston Logan Intl airport
252 USD
Alaska Airlines
Alaska Airlines
20 Sep
BOS
3:20 pm
Boston Logan Intl airport
6h 20m
6:40 pm
SAN
San Diego airport
Alaska Airlines
28 Sep
SAN
12:40 pm
San Diego airport
7h 41m
1 Stop
11:21 pm
BOS
Boston Logan Intl airport
237 USD
Spirit Airlines
Spirit Airlines
08 Oct
BOS
12:02 pm
Boston Logan Intl airport
9h 57m
1 Stop
6:59 pm
SAN
San Diego airport
Spirit Airlines
19 Oct
SAN
12:40 pm
San Diego airport
7h 44m
1 Stop
11:24 pm
BOS
Boston Logan Intl airport
173 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
What is the cheapest month to fly to San Diego?
January
The cheapest time of year to fly to San Diego from Boston is January. Most expensive is July
What is the cheapest day to fly to San Diego?
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday
When is the cheapest time to fly to San Diego?
at noon
Boston to San Diego flights are approximately 24% more expensive in the afternoon than at noon
What is the cheapest airline that flies to San Diego?
Sun Country Air
Sun Country Air, Frontier, and Major Airline are the most popular carriers operating from Boston to San Diego
What is the 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
When is the cheapest time to book a flight to San Diego?
48 days before
The cheapest time to buy a flight from Boston to San Diego is approximately 48 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 9m The fastest flight from Boston to San Diego takes 6h 9m.
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
Boston to Los Angeles
Fastest flight time
6h 10m
Cheapest price
149 USD
Providence to Los Angeles
Fastest flight time
7h 35m
Cheapest price
194 USD
Islip to San Diego
Fastest flight time
8h 10m
Cheapest price
208 USD
Providence to San Diego
Fastest flight time
7h 55m
Cheapest price
221 USD
Islip to Los Angeles
Fastest flight time
7h 38m
Cheapest price
254 USD
Boston to Palm Springs
Fastest flight time
7h 24m
Cheapest price
334 USD
View more

Flights from Boston to:

Flights to San Diego from:

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