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Cheap flights from San Diego to Boston from $120

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 1/23. 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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Cheap round-trip flights

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Alaska Airlines Logo
9:10 am - 5:39 pm
SAN
-
BOS
5h 29mnonstop
Alaska Airlines Logo
5:44 pm - 9:29 pm
BOS
-
SAN
6h 45mnonstop
$217Alaska Airlines
Wed, Feb 11 - Fri, Feb 20
Hawaiian Airlines Logo
9:10 am - 5:39 pm
SAN
-
BOS
5h 29mnonstop
Hawaiian Airlines Logo
4:20 pm - 8:00 pm
BOS
-
SAN
6h 40mnonstop
$218Hawaiian Airlines
Thu, Jan 22 - Wed, Jan 28
Frontier Logo
7:10 am - 1:13 am
SAN
-
BOS
39h 03m2 stops
Frontier Logo
6:00 am - 10:54 am
BOS
-
SAN
31h 54m2 stops
$221Frontier
Tue, Jan 13 - Wed, Jan 21
Hawaiian Airlines Logo
9:37 am - 11:54 pm
SAN
-
BOS
11h 17m1 stop
Hawaiian Airlines Logo
4:20 pm - 8:00 pm
BOS
-
SAN
6h 40mnonstop
$223Hawaiian Airlines
Thu, Jan 22 - Wed, Jan 28
JetBlue Logo
9:30 pm - 5:55 am
SAN
-
BOS
5h 25mnonstop
JetBlue Logo
4:25 pm - 7:54 pm
BOS
-
SAN
6h 29mnonstop
$227JetBlue
Wed, Jan 7 - Sun, Jan 11
American Airlines Logo
10:09 am - 8:32 pm
SAN
-
BOS
7h 23m1 stop
American Airlines Logo
8:50 am - 3:03 pm
BOS
-
SAN
9h 13m1 stop
$228American Airlines
Tue, Jan 13 - Tue, Jan 20
JetBlue Logo
8:42 pm - 5:06 am
SAN
-
BOS
5h 24mnonstop
JetBlue Logo
4:00 pm - 7:28 pm
BOS
-
SAN
6h 28mnonstop
$237JetBlue
Thu, Feb 12 - Sat, Feb 21
United Airlines Logo
6:30 am - 6:57 pm
SAN
-
BOS
9h 27m2 stops
United Airlines Logo
7:25 am - 12:59 pm
BOS
-
SAN
8h 34m1 stop
$242United Airlines
Wed, Jan 21 - Tue, Jan 27
Delta Logo
10:04 pm - 6:30 am
SAN
-
BOS
5h 26mnonstop
Delta Logo
1:30 pm - 8:37 pm
BOS
-
SAN
10h 07m1 stop
$243Delta
Tue, Jan 13 - Tue, Jan 20
Multiple Airlines Logo
9:30 pm - 5:55 am
SAN
-
BOS
5h 25mnonstop
Multiple Airlines Logo
4:20 pm - 8:00 pm
BOS
-
SAN
6h 40mnonstop
$245Multiple Airlines
Sun, Feb 1 - Sun, Feb 8

Alaska Airlines flights from San Diego to Boston

Our best Alaska Airlines deals on San Diego to Boston flight tickets
Alaska Airlines
Feb 11
SAN9:10 amSan Diego
5h 29m
BOS5:39 pmBoston Logan Intl
Feb 20
BOS5:44 pmBoston Logan Intl
6h 45m
SAN9:29 pmSan Diego
$217
Find similar
Alaska Airlines
Feb 4
SAN6:03 pmSan Diego
18h 17m
1 stop
BOS3:20 pmBoston Logan Intl
Feb 8
BOS4:20 pmBoston Logan Intl
6h 40m
SAN8:00 pmSan Diego
$257
Find similar
Alaska Airlines
Feb 14
SAN3:45 pmSan Diego
12h 09m
1 stop
BOS6:54 amBoston Logan Intl
Feb 21
BOS9:02 amBoston Logan Intl
10h 44m
1 stop
SAN4:46 pmSan Diego
$274
Find similar

Hawaiian Airlines flights from San Diego to Boston

Our best Hawaiian Airlines deals on San Diego to Boston flight tickets
Hawaiian Airlines
Jan 22
SAN9:10 amSan Diego
5h 29m
BOS5:39 pmBoston Logan Intl
Jan 28
BOS4:20 pmBoston Logan Intl
6h 40m
SAN8:00 pmSan Diego
$218
Find similar
Hawaiian Airlines
Jan 22
SAN9:37 amSan Diego
11h 17m
1 stop
BOS11:54 pmBoston Logan Intl
Jan 28
BOS4:20 pmBoston Logan Intl
6h 40m
SAN8:00 pmSan Diego
$223
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 December 18, 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

Wed 2/11

9:10 am-5:39 pm

Nonstop5h 29m

Boston Logan Intl

Fri 2/20

5:44 pm-9:29 pm

Nonstop6h 45m

$217

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Thu 1/22

9:10 am-5:39 pm

Nonstop5h 29m

Boston Logan Intl

Wed 1/28

4:20 pm-8:00 pm

Nonstop6h 40m

$218

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 1/13

7:10 am-1:13 am

2 stops39h 03m

Boston Logan Intl

Wed 1/21

6:00 am-10:54 am

2 stops31h 54m

$221

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Thu 1/22

9:37 am-11:54 pm

1 stop11h 17m

Boston Logan Intl

Wed 1/28

4:20 pm-8:00 pm

Nonstop6h 40m

$223

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Wed 1/7

9:30 pm-5:55 am

Nonstop5h 25m

Boston Logan Intl

Sun 1/11

4:25 pm-7:54 pm

Nonstop6h 29m

$227

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 1/13

10:09 am-8:32 pm

1 stop7h 23m

Boston Logan Intl

Tue 1/20

8:50 am-3:03 pm

1 stop9h 13m

$228

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Thu 2/12

8:42 pm-5:06 am

Nonstop5h 24m

Boston Logan Intl

Sat 2/21

4:00 pm-7:28 pm

Nonstop6h 28m

$237

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Wed 1/21

6:30 am-6:57 pm

2 stops9h 27m

Boston Logan Intl

Tue 1/27

7:25 am-12:59 pm

1 stop8h 34m

$242

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 1/13

10:04 pm-6:30 am

Nonstop5h 26m

Boston Logan Intl

Tue 1/20

1:30 pm-8:37 pm

1 stop10h 07m

$243

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Sun 2/1

9:30 pm-5:55 am

Nonstop5h 25m

Boston Logan Intl

Sun 2/8

4:20 pm-8:00 pm

Nonstop6h 40m

$245

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 $264. 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 $335. 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 evening. momondo users have found flights departing from San Diego to Boston in the evening 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 $465 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.

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

As of December 2025, prices for San Diego to Boston flights are approximately 8% 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

$192

Fastest flight time

5h 24m

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 $192. 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 24m
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 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
Spirit AirlinesPriceFrom $130Free CancellationRating
6.3
8,190 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,819 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $144Free CancellationRating
7.9
8,006 reviews
Search Delta flights
JetBluePriceFrom $179Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights
SouthwestPriceFrom $228Free CancellationRating
7.9
4,249 reviews
Search Southwest flights
American AirlinesPriceFrom $231Free CancellationRating
7.2
11,053 reviews
Search American Airlines flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $243Free CancellationRating
8.0
11,474 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From San Diego to Boston

    Alaska Airlines flight deals from San Diego to Boston start from $243 round-trip. Over the 3 Alaska Airlines flights for this route in a normal week, average airfare is usually $435 round-trip - but some users have found much cheaper deals with momondo.

  • Delta Flights From San Diego to Boston

    $144 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 $340, however, with flight time and availability significantly affecting the price. Delta (7.9/10 from 8,006 user reviews) flies into Boston from San Diego 5 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
Nashua
Falmouth
Laconia
Brockton
Concord
Sturbridge
Everett
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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