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Cheap flights from Boston to San Diego from $83

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 3/26. 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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0 bags

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Find the cheapest flights from Boston to San Diego

Cheap round-trip flights

These are some of the best round-trip flight deals from Boston to San Diego that have been recently found on momondo from popular airlines, departing in the coming months.
8:35 pm - 11:51 pmBOS-SAN
30h 16m2 stops
6:15 am - 9:59 amSAN-BOS
24h 44m3 stops
$181Spirit Airlines
Find Deal
Tue, Mar 18 - Tue, Mar 25
4:20 pm - 7:34 amBOS-SAN
18h 14m2 stops
3:10 pm - 10:30 amSAN-BOS
16h 20m2 stops
$190Spirit Airlines
Find Deal
Mon, May 5 - Thu, May 8
5:10 pm - 8:43 pmBOS-SAN
6h 33mnonstop
10:00 pm - 6:27 amSAN-BOS
5h 27mnonstop
$237Delta
Find Deal
Sat, Mar 29 - Sat, Apr 5
4:49 pm - 8:36 pmBOS-SAN
6h 47mnonstop
7:55 pm - 4:27 pmSAN-BOS
17h 32m1 stop
$247Alaska Airlines
Find Deal
Wed, Mar 26 - Wed, Apr 2
4:49 pm - 8:36 pmBOS-SAN
6h 47mnonstop
8:25 am - 8:01 pmSAN-BOS
8h 36m1 stop
$248Alaska Airlines
Find Deal
Sat, Mar 29 - Sat, Apr 5
5:10 am - 11:08 amBOS-SAN
8h 58m1 stop
8:20 pm - 9:32 amSAN-BOS
10h 12m1 stop
$257JetBlue
Find Deal
Tue, Apr 29 - Sat, May 3
10:30 am - 7:27 pmBOS-SAN
11h 57m1 stop
8:30 pm - 9:49 amSAN-BOS
10h 19m1 stop
$277JetBlue
Find Deal
Fri, May 2 - Tue, May 6
2:20 pm - 10:13 pmBOS-SAN
10h 53m1 stop
10:37 pm - 11:23 amSAN-BOS
9h 46m1 stop
$291American Airlines
Find Deal
Wed, Mar 19 - Sun, Mar 23
6:00 am - 11:48 amBOS-SAN
8h 48m1 stop
6:30 am - 4:29 pmSAN-BOS
6h 59m1 stop
$305American Airlines
Find Deal
Thu, Mar 13 - Thu, Mar 20
5:15 pm - 8:35 pmBOS-SAN
6h 20mnonstop
9:51 pm - 6:20 amSAN-BOS
5h 29mnonstop
$307Delta
Find Deal
Sun, Apr 27 - Tue, Apr 29

Southwest flights from Boston to San Diego

Our best Southwest deals on Boston to San Diego flight tickets
Southwest
Apr 8
BOS7:05 amBoston Logan Intl
10h 05m
1 stop
SAN2:10 pmSan Diego
Apr 15
SAN9:20 pmSan Diego
10h 00m
1 stop
BOS10:20 amBoston Logan Intl
Southwest
Mar 29
BOS1:30 pmBoston Logan Intl
12h 55m
1 stop
SAN11:25 pmSan Diego
Apr 5
SAN6:40 amSan Diego
7h 55m
1 stop
BOS5:35 pmBoston Logan Intl
Southwest
Mar 26
BOS4:30 pmBoston Logan Intl
9h 40m
1 stop
SAN11:10 pmSan Diego
Apr 2
SAN9:35 pmSan Diego
9h 20m
1 stop
BOS9:55 amBoston Logan Intl

Alaska Airlines flights from Boston to San Diego

Our best Alaska Airlines deals on Boston to San Diego flight tickets
Alaska Airlines
Mar 26
BOS4:49 pmBoston Logan Intl
6h 47m
SAN8:36 pmSan Diego
Apr 2
SAN7:55 pmSan Diego
17h 32m
1 stop
BOS4:27 pmBoston Logan Intl
Alaska Airlines
Mar 29
BOS4:49 pmBoston Logan Intl
6h 47m
SAN8:36 pmSan Diego
Apr 5
SAN8:25 amSan Diego
8h 36m
1 stop
BOS8:01 pmBoston Logan Intl
Alaska Airlines
Mar 21
BOS4:49 pmBoston Logan Intl
6h 47m
SAN8:36 pmSan Diego
Mar 25
SAN4:12 pmSan Diego
21h 15m
1 stop
BOS4:27 pmBoston Logan Intl

See travel insights to San Diego from

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 to San Diego?

If you are unable to visit San Diego during the month of January, then departing from Boston during the month May is also very affordable. Most momondo users find prices during this month for around $354.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Boston to San Diego is on a Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $359. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $472. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $186. Flights in the morning are often more expensive with an average ticket price of $417.

What is the cheapest Boston Logan Intl to San Diego flight route?

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

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Boston when booking 8 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $396 when searching 8 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Boston for as low as $341 on momondo.

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

There are 4 cabin classes available to choose from on Boston Logan Intl to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Boston to San Diego flight prices changed over time?

As of February 2025, prices for Boston to San Diego flights are approximately 1% more expensive when compared to flights at the same time last year.

When to book flights from Boston to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

$83

Fastest flight time

6h 09m

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 $83. The best round-trip flight deal from Boston to San Diego found on momondo in the last 72 hours is $181.
The fastest flight from Boston to San Diego takes 6h 09m
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 18m.

  • 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.

  • What is the most popular plane model from Boston to San Diego?

  • What is the most popular airline from Boston to San Diego?


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 $84Free CancellationRating
6.0
3,339 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $115Free CancellationRating
6.3
7,980 reviews
Search Spirit Airlines flights
DeltaPriceFrom $163Free CancellationRating
8.0
8,138 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $163Free CancellationRating
7.9
2,318 reviews
Search Hawaiian Airlines flights
Sun Country AirPriceFrom $166Free CancellationRating
7.0
371 reviews
Search Sun Country Air flights
JetBluePriceFrom $185Free CancellationRating
7.4
3,035 reviews
Search JetBlue flights
Alaska AirlinesPriceFrom $192Free CancellationRating
8.0
9,717 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $227Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $265Free CancellationRating
7.4
8,724 reviews
Search United Airlines flights
SouthwestPriceFrom $316Free CancellationRating
8.1
4,362 reviews
Search Southwest flights
  • Delta Flights From Boston to San Diego

    Across 7 Delta flights from Boston to San Diego this week, the average price was $396, with the best Delta deals starting from $163 round-trip. 8,140 users have rated Delta on momondo, with an average score of 8.0/10.

  • Alaska Airlines Flights From Boston to San Diego

    $192 is the best Alaska Airlines flight deal from Boston to San Diego found on momondo over the last 72 hours. The average Alaska Airlines ticket price found was closer to $434, however, with flight time and availability significantly affecting the price. Alaska Airlines (8.0/10 from 9,717 user reviews) flies into San Diego from Boston 2 times in an average week so prices can vary.


Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Chula Vista
El Cajon
Coronado
Julian
La Mesa
National City
Lemon Grove
San Ysidro
Imperial Beach
Borrego Springs
Alpine
Poway
Santee

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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