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Cheap flights from San Diego to Boston from $126

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 10/13. 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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Find the cheapest flights from San Diego to Boston

Cheap round-trip flights

Southwest Logo
9:45 pm - 9:40 amSAN-BOS
8h 55m1 stop
Southwest Logo
2:10 pm - 9:35 pmBOS-SAN
10h 25m1 stop
$166Southwest
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Tue, Nov 18 - Wed, Dec 3
Southwest Logo
9:45 pm - 8:15 amSAN-BOS
7h 30m1 stop
Southwest Logo
4:45 pm - 9:50 pmBOS-SAN
8h 05m1 stop
$169Southwest
Find Deal
Tue, Nov 11 - Sat, Nov 15
Southwest Logo
10:30 am - 10:45 pmSAN-BOS
9h 15m2 stops
Southwest Logo
2:10 pm - 9:35 pmBOS-SAN
10h 25m1 stop
$171Southwest
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Tue, Nov 18 - Wed, Dec 3
JetBlue Logo
9:35 pm - 6:20 amSAN-BOS
5h 45mnonstop
JetBlue Logo
7:00 am - 10:39 amBOS-SAN
6h 39mnonstop
$226JetBlue
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Fri, Oct 24 - Fri, Oct 31
Alaska Airlines Logo
9:15 am - 5:52 pmSAN-BOS
5h 37mnonstop
Alaska Airlines Logo
4:24 pm - 8:10 pmBOS-SAN
6h 46mnonstop
$227Alaska Airlines
Find Deal
Sat, Dec 6 - Tue, Dec 9
Alaska Airlines Logo
9:53 pm - 6:41 amSAN-BOS
5h 48mnonstop
Alaska Airlines Logo
8:01 am - 11:18 amBOS-SAN
6h 17mnonstop
$231Alaska Airlines
Find Deal
Mon, Oct 20 - Fri, Oct 24
Delta Logo
10:28 pm - 6:55 amSAN-BOS
5h 27mnonstop
Delta Logo
5:25 pm - 8:58 pmBOS-SAN
6h 33mnonstop
$232Delta
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Tue, Nov 18 - Wed, Dec 3
Hawaiian Airlines Logo
9:53 pm - 6:41 amSAN-BOS
5h 48mnonstop
Hawaiian Airlines Logo
8:01 am - 11:18 amBOS-SAN
6h 17mnonstop
$240Hawaiian Airlines
Find Deal
Fri, Oct 17 - Thu, Oct 23
JetBlue Logo
8:42 pm - 5:10 amSAN-BOS
5h 28mnonstop
JetBlue Logo
7:00 am - 10:39 amBOS-SAN
6h 39mnonstop
$242JetBlue
Find Deal
Tue, Nov 11 - Sun, Nov 16
Hawaiian Airlines Logo
9:15 am - 5:55 pmSAN-BOS
5h 40mnonstop
Hawaiian Airlines Logo
7:00 am - 4:57 pmBOS-SAN
12h 57m1 stop
$252Hawaiian Airlines
Find Deal
Wed, Nov 5 - Sun, Dec 7

Alaska Airlines flights from San Diego to Boston

Our best Alaska Airlines deals on San Diego to Boston flight tickets
Alaska Airlines
Dec 6
SAN9:15 amSan Diego
5h 37m
BOS5:52 pmBoston Logan Intl
Dec 9
BOS4:24 pmBoston Logan Intl
6h 46m
SAN8:10 pmSan Diego
$227
Find similar
Alaska Airlines
Oct 20
SAN9:53 pmSan Diego
5h 48m
BOS6:41 amBoston Logan Intl
Oct 24
BOS8:01 amBoston Logan Intl
6h 17m
SAN11:18 amSan Diego
$231
Find similar
Alaska Airlines
Nov 5
SAN11:37 amSan Diego
9h 43m
1 stop
BOS12:20 amBoston Logan Intl
Nov 7
BOS4:24 pmBoston Logan Intl
6h 39m
SAN8:03 pmSan Diego
$241
Find similar

Southwest flights from San Diego to Boston

Our best Southwest deals on San Diego to Boston flight tickets
Southwest
Nov 18
SAN9:45 pmSan Diego
8h 55m
1 stop
BOS9:40 amBoston Logan Intl
Dec 3
BOS2:10 pmBoston Logan Intl
10h 25m
1 stop
SAN9:35 pmSan Diego
$166
Find similar
Southwest
Nov 11
SAN9:45 pmSan Diego
7h 30m
1 stop
BOS8:15 amBoston Logan Intl
Nov 15
BOS4:45 pmBoston Logan Intl
8h 05m
1 stop
SAN9:50 pmSan Diego
$169
Find similar
Southwest
Nov 18
SAN10:30 amSan Diego
9h 15m
2 stops
BOS10:45 pmBoston Logan Intl
Dec 3
BOS2:10 pmBoston Logan Intl
10h 25m
1 stop
SAN9:35 pmSan Diego
$171
Find similar

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 September 11, 2025.
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

Tue 11/18

9:45 pm-9:40 am

1 stop8h 55m

Boston Logan Intl

Wed 12/3

2:10 pm-9:35 pm

1 stop10h 25m

$166

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 11/11

9:45 pm-8:15 am

1 stop7h 30m

Boston Logan Intl

Sat 11/15

4:45 pm-9:50 pm

1 stop8h 05m

$169

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 11/18

10:30 am-10:45 pm

2 stops9h 15m

Boston Logan Intl

Wed 12/3

2:10 pm-9:35 pm

1 stop10h 25m

$171

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Fri 10/24

9:35 pm-6:20 am

Nonstop5h 45m

Boston Logan Intl

Fri 10/31

7:00 am-10:39 am

Nonstop6h 39m

$226

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Sat 12/6

9:15 am-5:52 pm

Nonstop5h 37m

Boston Logan Intl

Tue 12/9

4:24 pm-8:10 pm

Nonstop6h 46m

$227

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Mon 10/20

9:53 pm-6:41 am

Nonstop5h 48m

Boston Logan Intl

Fri 10/24

8:01 am-11:18 am

Nonstop6h 17m

$231

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 11/18

10:28 pm-6:55 am

Nonstop5h 27m

Boston Logan Intl

Wed 12/3

5:25 pm-8:58 pm

Nonstop6h 33m

$232

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Fri 10/17

9:53 pm-6:41 am

Nonstop5h 48m

Boston Logan Intl

Thu 10/23

8:01 am-11:18 am

Nonstop6h 17m

$240

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 11/11

8:42 pm-5:10 am

Nonstop5h 28m

Boston Logan Intl

Sun 11/16

7:00 am-10:39 am

Nonstop6h 39m

$242

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Wed 11/5

9:15 am-5:55 pm

Nonstop5h 40m

Boston Logan Intl

Sun 12/7

7:00 am-4:57 pm

1 stop12h 57m

$252

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 $262. If you aren’t able to travel during the month of January, then book flights to Boston from San Diego during May instead. Flights to Boston in May, while not as cheap as those in January, still average around $317.

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 $344. 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 $461.

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 evening. momondo users have found flights departing from San Diego to Boston in the evening for as low as $328. 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 $485 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 $365 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 $310 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.

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

As of September 2025, prices for San Diego to Boston flights are approximately 6% 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 23m

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 $257.
The fastest flight from San Diego to Boston takes 5h 23m
Direct flights go from San Diego to Boston every day.
There is 1 airport near Boston: 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 24m.

  • 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
FrontierPriceFrom $65Free CancellationRating
5.8
3,177 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $118Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,723 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $152Free CancellationRating
7.9
7,960 reviews
Search Delta flights
JetBluePriceFrom $173Free CancellationRating
7.2
2,913 reviews
Search JetBlue flights
American AirlinesPriceFrom $248Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $256Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $269Free CancellationRating
8.0
4,248 reviews
Search Southwest flights

  • Alaska Airlines Flights From San Diego to Boston

    Alaska Airlines flight deals from San Diego to Boston start from $256 round-trip. Over the 10 Alaska Airlines flights for this route in a normal week, average airfare is usually $445 round-trip - but some users have found much cheaper deals with momondo.

  • Delta Flights From San Diego to Boston

    $152 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 $356, however, with flight time and availability significantly affecting the price. Delta (7.9/10 from 7,960 user reviews) flies into Boston from San Diego 2 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
Cambridge
South Yarmouth
Narragansett
Nashua
Brockton
Gloucester
Laconia
Falmouth
Concord
Everett
Wells
Chatham

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.
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