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Cheap flights from San Diego to Boston from $124

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Boston departing on 2/26. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
9:10 am - 5:39 pm
SAN
-
BOS
5h 29mnonstop
Alaska Airlines Logo
4:20 pm - 8:00 pm
BOS
-
SAN
6h 40mnonstop
$237Alaska Airlines
Thu, Jan 29 - Mon, Feb 2
JetBlue Logo
3:35 pm - 11:58 pm
SAN
-
BOS
5h 23mnonstop
JetBlue Logo
6:30 am - 9:59 am
BOS
-
SAN
6h 29mnonstop
$238JetBlue
Tue, Mar 10 - Fri, Mar 20
JetBlue Logo
9:30 pm - 5:55 am
SAN
-
BOS
5h 25mnonstop
JetBlue Logo
4:00 pm - 7:24 pm
BOS
-
SAN
6h 24mnonstop
$239JetBlue
Wed, Jan 28 - Thu, Feb 19
Southwest Logo
6:25 am - 5:10 pm
SAN
-
BOS
7h 45m1 stop
Southwest Logo
6:25 am - 1:10 pm
BOS
-
SAN
9h 45m1 stop
$240Southwest
Mon, Jan 26 - Tue, Jan 27
Southwest Logo
10:05 am - 8:50 pm
SAN
-
BOS
7h 45m1 stop
Southwest Logo
5:30 am - 10:50 am
BOS
-
SAN
8h 20m1 stop
$241Southwest
Wed, Jan 21 - Wed, Jan 28
Delta Logo
10:04 pm - 6:30 am
SAN
-
BOS
5h 26mnonstop
Delta Logo
5:29 am - 10:33 am
BOS
-
SAN
8h 04m1 stop
$242Delta
Fri, Jan 23 - Sat, Jan 31
JetBlue Logo
8:42 pm - 5:06 am
SAN
-
BOS
5h 24mnonstop
JetBlue Logo
7:00 am - 10:31 am
BOS
-
SAN
6h 31mnonstop
$243JetBlue
Fri, Mar 6 - Sun, Mar 8
Southwest Logo
8:20 am - 8:50 pm
SAN
-
BOS
9h 30m2 stops
Southwest Logo
1:20 pm - 8:50 pm
BOS
-
SAN
10h 30m2 stops
$244Southwest
Tue, Feb 10 - Wed, Feb 18
Southwest Logo
6:25 am - 5:10 pm
SAN
-
BOS
7h 45m1 stop
Southwest Logo
1:20 pm - 9:00 pm
BOS
-
SAN
10h 40m1 stop
$245Southwest
Sun, Feb 8 - Tue, Mar 3
Southwest Logo
8:10 pm - 8:10 am
SAN
-
BOS
9h 00m2 stops
Southwest Logo
2:25 pm - 7:35 pm
BOS
-
SAN
8h 10m1 stop
$246Southwest
Wed, Apr 1 - Tue, Apr 7

American Airlines flights from San Diego to Boston

Our best American Airlines deals on San Diego to Boston flight tickets
American Airlines
Feb 2
SAN6:20 amSan Diego
10h 24m
1 stop
BOS7:44 pmBoston Logan Intl
Feb 5
BOS8:30 amBoston Logan Intl
11h 24m
1 stop
SAN4:54 pmSan Diego
$254
American Airlines
Mar 6
SAN10:35 pmSan Diego
9h 11m
1 stop
BOS10:46 amBoston Logan Intl
Mar 9
BOS4:50 pmBoston Logan Intl
8h 44m
1 stop
SAN10:34 pmSan Diego
$267
American Airlines
Jan 13
SAN10:45 pmSan Diego
8h 44m
1 stop
BOS10:29 amBoston Logan Intl
Jan 21
BOS4:30 pmBoston Logan Intl
9h 20m
1 stop
SAN10:50 pmSan Diego
$368

Delta flights from San Diego to Boston

Our best Delta deals on San Diego to Boston flight tickets
Delta
Jan 23
SAN10:04 pmSan Diego
5h 26m
BOS6:30 amBoston Logan Intl
Jan 28
BOS5:29 amBoston Logan Intl
8h 04m
1 stop
SAN10:33 amSan Diego
$242
Delta
Jan 23
SAN10:04 pmSan Diego
5h 26m
BOS6:30 amBoston Logan Intl
Feb 2
BOS5:10 pmBoston Logan Intl
6h 40m
SAN8:50 pmSan Diego
$252
Delta
Apr 30
SAN9:57 pmSan Diego
5h 30m
BOS6:27 amBoston Logan Intl
May 13
BOS5:15 pmBoston Logan Intl
6h 26m
SAN8:41 pmSan Diego
$256

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 8, 2026.
Use the filters below to find and compare flights from San Diego to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Thu 1/29

9:10 am-5:39 pm

Nonstop5h 29m

Boston Logan Intl

Mon 2/2

4:20 pm-8:00 pm

Nonstop6h 40m

$237

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 3/10

3:35 pm-11:58 pm

Nonstop5h 23m

Boston Logan Intl

Fri 3/20

6:30 am-9:59 am

Nonstop6h 29m

$238

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Wed 1/28

9:30 pm-5:55 am

Nonstop5h 25m

Boston Logan Intl

Thu 2/19

4:00 pm-7:24 pm

Nonstop6h 24m

$239

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Mon 1/26

6:25 am-5:10 pm

1 stop7h 45m

Boston Logan Intl

Tue 1/27

6:25 am-1:10 pm

1 stop9h 45m

$240

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Wed 1/21

10:05 am-8:50 pm

1 stop7h 45m

Boston Logan Intl

Wed 1/28

5:30 am-10:50 am

1 stop8h 20m

$241

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Fri 1/23

10:04 pm-6:30 am

Nonstop5h 26m

Boston Logan Intl

Sat 1/31

5:29 am-10:33 am

1 stop8h 04m

$242

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Fri 3/6

8:42 pm-5:06 am

Nonstop5h 24m

Boston Logan Intl

Sun 3/8

7:00 am-10:31 am

Nonstop6h 31m

$243

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 2/10

8:20 am-8:50 pm

2 stops9h 30m

Boston Logan Intl

Wed 2/18

1:20 pm-8:50 pm

2 stops10h 30m

$244

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Sun 2/8

6:25 am-5:10 pm

1 stop7h 45m

Boston Logan Intl

Tue 3/3

1:20 pm-9:00 pm

1 stop10h 40m

$245

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Wed 4/1

8:10 pm-8:10 am

2 stops9h 00m

Boston Logan Intl

Tue 4/7

2:25 pm-7:35 pm

1 stop8h 10m

$246

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boston from

How to get the cheapest flight ticket from San Diego to Boston

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 Boston?

In general, January is the cheapest month to fly from San Diego to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $282. If you aren’t able to travel during the month of January, then book flights to Boston from San Diego during October instead. Flights to Boston in October, while not as cheap as those in January, still average around $312.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from San Diego to Boston is on a Wednesday when prices can be found for as low as $336. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $464.

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

According to our data, the cheapest time of day to fly to Boston is in the afternoon. momondo users have found flights departing from San Diego to Boston in the afternoon for as low as $327. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Boston, so prices are often more expensive at around $461 per ticket.

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

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

How far in advance should I book a flight to Boston?

You are more likely to see cheaper flights to Boston from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $356 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from San Diego for as low as $305 on momondo.

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

There are 4 cabin classes available to choose from on San Diego to Boston Logan Intl 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 San Diego to Boston flights?

You could potentially save up to 15% on your flight if you consider stops on a San Diego to Boston flight.

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

As of January 2026, prices for San Diego to Boston flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from San Diego to Boston

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

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

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

Best Price Found

$171

Fastest flight time

5h 11m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from San Diego in the past 72 hours is $171. The best round-trip flight deal from San Diego to Boston found on momondo in the last 72 hours is $287.
The fastest flight from San Diego to Boston takes 5h 11m
Direct flights go from San Diego to Boston every day.
There is 1 airport in Boston. From San Diego there are direct flights to Boston Logan Intl (BOS).
Search flight deals

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

    The distance between San Diego and Boston Logan Intl is about 2576.8 mi. A reasonable flight in good conditions will take 5h 11m.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The travel and health documents required for your trip to Boston Logan Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Boston Logan Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Best airlines flying from San Diego to Boston

Compare and see reviews for airlines that fly from San Diego to Boston with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $130Free CancellationRating
6.3
8,288 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,824 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $143Free CancellationRating
7.9
8,030 reviews
Search Delta flights
JetBluePriceFrom $177Free CancellationRating
7.2
2,892 reviews
Search JetBlue flights
SouthwestPriceFrom $228Free CancellationRating
8.0
4,250 reviews
Search Southwest flights
American AirlinesPriceFrom $232Free CancellationRating
7.2
11,095 reviews
Search American Airlines flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
9,141 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $241Free CancellationRating
8.0
11,668 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From San Diego to Boston

    Alaska Airlines flight deals from San Diego to Boston start from $241 round-trip. Over the 6 Alaska Airlines flights for this route in a normal week, average airfare is usually $432 round-trip - but some users have found much cheaper deals with momondo.

  • Delta Flights From San Diego to Boston

    $143 is the best Delta flight deal from San Diego to Boston found on momondo over the last 72 hours. The average Delta ticket price found was closer to $338, however, with flight time and availability significantly affecting the price. Delta (7.9/10 from 8,032 user reviews) flies into Boston from San Diego 7 times in an average week so prices can vary.

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Plymouth
Kennebunkport
South Yarmouth
Cambridge
Narragansett
Gloucester
Falmouth
Nashua
Laconia
Brockton
Concord
Everett
Sturbridge
Warwick

Why use momondo?

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

Finding the right flight to Boston from San Diego is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Boston quick and easy, saving you time and money.

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

All flight searches from San Diego to Boston on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential San Diego to Boston flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for San Diego to Boston 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.

An easier way to manage your Boston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
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