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Cheap flights from Boston to San Diego from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to San Diego departing on 5/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Easily compare round-trip flights from Boston to San Diego

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Boston to San Diego by changing tabs
Spirit Airlines
May 8
BOS4:08 pmBoston Logan Intl
20h 06m
2 stops
SAN9:14 amSan Diego
May 15
SAN2:38 pmSan Diego
31h 00m
3 stops
BOS12:38 amBoston Logan Intl
Multiple Airlines
May 11
BOS9:44 pmBoston Logan Intl
12h 26m
1 stop
SAN7:10 amSan Diego
May 14
SAN8:00 amSan Diego
36h 55m
3 stops
BOS11:55 pmBoston Logan Intl
Frontier
Apr 27
BOS12:41 pmBoston Logan Intl
21h 52m
2 stops
SAN7:33 amSan Diego
May 4
SAN4:57 pmSan Diego
13h 34m
2 stops
BOS9:31 amBoston Logan Intl
American Airlines
May 8
BOS5:30 amBoston Logan Intl
10h 26m
1 stop
SAN12:56 pmSan Diego
May 11
SAN9:20 pmSan Diego
8h 58m
1 stop
BOS9:18 amBoston Logan Intl
Delta
May 15
BOS10:42 amBoston Logan Intl
12h 23m
1 stop
SAN8:05 pmSan Diego
May 18
SAN9:19 pmSan Diego
5h 41m
BOS6:00 amBoston Logan Intl
JetBlue
May 12
BOS7:00 amBoston Logan Intl
6h 10m
SAN10:10 amSan Diego
May 24
SAN8:15 pmSan Diego
5h 32m
BOS4:47 amBoston Logan Intl

Find the cheapest one-way flights from Boston to San Diego

If you're looking for one-way flights from Boston to San Diego, view some of our deals below provided by JetBlue, Spirit Airlines and Sun Country Air
Spirit Airlines
May 1
BOS9:35 pmBoston Logan Intl
17h 20m
2 stops
SAN11:55 amSan Diego
Sun Country Air
Apr 24
BOS11:30 amBoston Logan Intl
8h 50m
1 stop
SAN5:20 pmSan Diego
Multiple Airlines
Jun 6
BOS4:16 pmBoston Logan Intl
22h 44m
1 stop
SAN12:00 pmSan Diego

Search last-minute flights to San Diego from Boston

Find and compare round-trip flight prices for your last-minute flight from Boston to San Diego
Frontier
Apr 27
BOS12:41 pmBoston Logan Intl
21h 52m
2 stops
SAN7:33 amSan Diego
May 4
SAN4:57 pmSan Diego
13h 34m
2 stops
BOS9:31 amBoston Logan Intl
Sun Country Air
Apr 24
BOS11:30 amBoston Logan Intl
8h 50m
1 stop
SAN5:20 pmSan Diego
Apr 26
SAN5:40 pmSan Diego
14h 08m
1 stop
BOS10:48 amBoston Logan Intl
Multiple Airlines
Apr 24
BOS11:30 amBoston Logan Intl
8h 50m
1 stop
SAN5:20 pmSan Diego
May 1
SAN6:26 pmSan Diego
17h 23m
2 stops
BOS2:49 pmBoston Logan Intl
Spirit Airlines
Apr 24
BOS4:06 pmBoston Logan Intl
27h 24m
2 stops
SAN4:30 pmSan Diego
May 1
SAN6:26 pmSan Diego
23h 52m
3 stops
BOS9:18 pmBoston Logan Intl
American Airlines
Apr 27
BOS5:30 amBoston Logan Intl
10h 41m
1 stop
SAN1:11 pmSan Diego
Aug 26
SAN10:45 pmSan Diego
8h 11m
1 stop
BOS9:56 amBoston Logan Intl
Delta
Apr 27
BOS5:31 pmBoston Logan Intl
6h 21m
SAN8:52 pmSan Diego
Aug 26
SAN9:50 pmSan Diego
5h 49m
BOS6:39 amBoston Logan Intl

Best airlines flying from Boston to San Diego

Compare and see reviews for airlines that fly from Boston to San Diego with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $100Free CancellationRating
6.3
4,168 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $123Free CancellationRating
6.4
8,789 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $138Free CancellationRating
8.1
9,106 reviews
Search Alaska Airlines flights
DeltaPriceFrom $144Free CancellationRating
8.0
11,104 reviews
Search Delta flights
JetBluePriceFrom $148Free CancellationRating
7.6
4,671 reviews
Search JetBlue flights
American AirlinesPriceFrom $149Free CancellationRating
7.3
14,963 reviews
Search American Airlines flights
United AirlinesPriceFrom $153Free CancellationRating
7.4
11,341 reviews
Search United Airlines flights
Sun Country AirPriceFrom $181Free CancellationRating
7.2
669 reviews
Search Sun Country Air flights
  • Alaska Airlines Flights From Boston to San Diego

    Across 5 Alaska Airlines flights from Boston to San Diego this week, the average price was $334, with the best Alaska Airlines deals starting from $138 round-trip. 9,106 users have rated Alaska Airlines on momondo, with an average score of 8.1/10.

  • Delta Flights From Boston to San Diego

    $144 is the best Delta flight deal from Boston to San Diego found on momondo over the last 72 hours. The average Delta ticket price found was closer to $373, however, with flight time and availability significantly affecting the price. Delta (8.0/10 from 11,104 user reviews) flies into San Diego from Boston 7 times in an average week so prices can vary.


Spirit Airlines flights from Boston to San Diego

Our best Spirit Airlines deals on Boston to San Diego flight tickets
Spirit Airlines
May 8
BOS4:08 pmBoston Logan Intl
20h 06m
2 stops
SAN9:14 amSan Diego
May 15
SAN2:38 pmSan Diego
31h 00m
3 stops
BOS12:38 amBoston Logan Intl
Spirit Airlines
May 8
BOS4:08 pmBoston Logan Intl
20h 06m
2 stops
SAN9:14 amSan Diego
May 15
SAN2:38 pmSan Diego
21h 06m
2 stops
BOS2:44 pmBoston Logan Intl
Spirit Airlines
May 8
BOS4:08 pmBoston Logan Intl
20h 06m
2 stops
SAN9:14 amSan Diego
May 15
SAN9:12 pmSan Diego
24h 26m
3 stops
BOS12:38 amBoston Logan Intl

Delta flights from Boston to San Diego

Our best Delta deals on Boston to San Diego flight tickets
Delta
May 15
BOS10:42 amBoston Logan Intl
12h 23m
1 stop
SAN8:05 pmSan Diego
May 18
SAN9:19 pmSan Diego
5h 41m
BOS6:00 amBoston Logan Intl
Delta
Apr 27
BOS5:31 pmBoston Logan Intl
6h 21m
SAN8:52 pmSan Diego
Aug 26
SAN9:50 pmSan Diego
5h 49m
BOS6:39 amBoston Logan Intl
Delta
Apr 27
BOS5:31 pmBoston Logan Intl
6h 21m
SAN8:52 pmSan Diego
May 4
SAN9:56 pmSan Diego
5h 34m
BOS6:30 amBoston Logan Intl

How to get the cheapest flight ticket 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 ticket for your trip

What is the cheapest month to fly from Boston to San Diego?

January. The cheapest time of year to fly to San Diego from Boston is January. Most expensive is June

What is the cheapest day to depart Boston for 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 from Boston to San Diego?

In the evening. Boston to San Diego flights are approximately 53% more expensive in the afternoon than in the evening

What is the cheapest airline that flies to San Diego from Boston?

Frontier. Alaska Airlines, American Airlines, and Delta are the most popular carriers operating from Boston to San Diego

What is the cheapest Boston to San Diego flight route?

Boston Logan Intl - San Diego. Fly from Boston Logan Intl to San Diego for the best Boston - San Diego flight prices

How far in advance should you book Boston to San Diego flights?

59 days before. The cheapest time to buy a flight from Boston to San Diego is approximately 59 days to departure

How many flights depart from Boston to San Diego on average per day?

As of April 2024, 4 flights take off from Boston and land in San Diego each day. The most common flight departure time for this route is 4:00PM, with 89% of daily flights taking off in the afternoon.

How many flights depart from Boston to San Diego on average per week?

As of April 2024, there are 34 flights per week flying from Boston to San Diego. The most common day of the week flights depart is Sunday, with 18% of flights taking off on this day.

What cabin class options are available on Boston to San Diego flights?

There are 2 cabin classes available to choose from on Boston to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to San Diego flights?

You could potentially save up to 41% on your flight if you consider stops on a Boston to San Diego flight.

Cheap Boston to San Diego (BOS to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to San Diego

Best Price Found

$139

Fastest flight time

6h 08m

Direct flights

Every day

Airports in San Diego

1 airport
The best one-way flight to San Diego from Boston in the past 72 hours is $139. The best round-trip flight deal from Boston to San Diego found on momondo in the last 72 hours is $174.
The fastest flight from Boston to San Diego takes 6h 08m
Direct flights go from Boston to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)

  • How far is Boston Logan Intl to San Diego by plane?

    A flight from Boston Logan Intl to San Diego will travel around 2576.8 mi. In terms of flight time, this usually takes a little over 6h 10m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to San Diego Airport?

    Prices for flights from Boston Logan Intl Airport to San Diego Airport are updated daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to San Diego Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to San Diego Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Why use momondo?

Why should I use momondo to find a flight deal from Boston to San Diego?

It is quick and easy to find Boston to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

Can I find flights from Boston to San Diego with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Diego from Boston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boston to San Diego?

momondo provides multiple filters to help you find the best flight to San Diego from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boston to San Diego right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Boston to San Diego flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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