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Cheap flights from San Diego to Boston from $118

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 12/25. 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

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Alaska Airlines Logo
9:35 am - 6:23 pmSAN-BOS
5h 48mnonstop
Alaska Airlines Logo
4:20 pm - 8:00 pmBOS-SAN
6h 40mnonstop
$219Alaska Airlines
Find Deal
Thu, Dec 25 - Wed, Jan 7
Delta Logo
10:15 pm - 6:45 amSAN-BOS
5h 30mnonstop
Delta Logo
5:10 pm - 8:50 pmBOS-SAN
6h 40mnonstop
$221Delta
Find Deal
Wed, Dec 24 - Wed, Jan 7
Alaska Airlines Logo
9:10 am - 5:39 pmSAN-BOS
5h 29mnonstop
Alaska Airlines Logo
4:20 pm - 8:00 pmBOS-SAN
6h 40mnonstop
$224Alaska Airlines
Find Deal
Wed, Jan 21 - Wed, Jan 28
Alaska Airlines Logo
9:35 am - 6:23 pmSAN-BOS
5h 48mnonstop
Alaska Airlines Logo
4:45 pm - 8:18 pmBOS-SAN
6h 33mnonstop
$227Alaska Airlines
Find Deal
Thu, Dec 25 - Tue, Jan 6
Delta Logo
10:15 pm - 6:45 amSAN-BOS
5h 30mnonstop
Delta Logo
5:10 pm - 8:50 pmBOS-SAN
6h 40mnonstop
$231Delta
Find Deal
Wed, Dec 24 - Tue, Jan 6
Alaska Airlines Logo
9:37 am - 11:54 pmSAN-BOS
11h 17m1 stop
Alaska Airlines Logo
4:20 pm - 8:00 pmBOS-SAN
6h 40mnonstop
$232Alaska Airlines
Find Deal
Thu, Jan 29 - Wed, Feb 4
Alaska Airlines Logo
9:35 am - 6:23 pmSAN-BOS
5h 48mnonstop
Alaska Airlines Logo
4:20 pm - 8:00 pmBOS-SAN
6h 40mnonstop
$234Alaska Airlines
Find Deal
Thu, Dec 25 - Thu, Jan 8
JetBlue Logo
3:15 pm - 11:39 pmSAN-BOS
5h 24mnonstop
JetBlue Logo
4:44 pm - 8:20 pmBOS-SAN
6h 36mnonstop
$235JetBlue
Find Deal
Thu, Jan 8 - Wed, Jan 14
Delta Logo
10:15 pm - 6:45 amSAN-BOS
5h 30mnonstop
Delta Logo
5:10 pm - 8:50 pmBOS-SAN
6h 40mnonstop
$236Delta
Find Deal
Wed, Dec 24 - Thu, Jan 8
Alaska Airlines Logo
9:07 pm - 3:20 pmSAN-BOS
15h 13m1 stop
Alaska Airlines Logo
4:20 pm - 8:00 pmBOS-SAN
6h 40mnonstop
$237Alaska Airlines
Find Deal
Tue, Jan 20 - Tue, Jan 27

JetBlue flights from San Diego to Boston

Our best JetBlue deals on San Diego to Boston flight tickets
JetBlue
Jan 8
SAN3:15 pmSan Diego
5h 24m
BOS11:39 pmBoston Logan Intl
Jan 14
BOS4:44 pmBoston Logan Intl
6h 36m
SAN8:20 pmSan Diego
$235
Find similar
JetBlue
Dec 8
SAN8:31 pmSan Diego
5h 31m
BOS5:02 amBoston Logan Intl
Dec 13
BOS4:34 pmBoston Logan Intl
6h 36m
SAN8:10 pmSan Diego
$257
Find similar
JetBlue
Dec 8
SAN8:31 pmSan Diego
5h 31m
BOS5:02 amBoston Logan Intl
Dec 14
BOS3:50 pmBoston Logan Intl
6h 31m
SAN7:21 pmSan Diego
$267
Find similar

Alaska Airlines flights from San Diego to Boston

Our best Alaska Airlines deals on San Diego to Boston flight tickets
Alaska Airlines
Dec 25
SAN9:35 amSan Diego
5h 48m
BOS6:23 pmBoston Logan Intl
Jan 7
BOS4:20 pmBoston Logan Intl
6h 40m
SAN8:00 pmSan Diego
$219
Find similar
Alaska Airlines
Jan 21
SAN9:10 amSan Diego
5h 29m
BOS5:39 pmBoston Logan Intl
Jan 28
BOS4:20 pmBoston Logan Intl
6h 40m
SAN8:00 pmSan Diego
$224
Find similar
Alaska Airlines
Dec 25
SAN9:35 amSan Diego
5h 48m
BOS6:23 pmBoston Logan Intl
Jan 6
BOS4:45 pmBoston Logan Intl
6h 33m
SAN8:18 pmSan Diego
$227
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 November 24, 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

Thu 12/25

9:35 am-6:23 pm

Nonstop5h 48m

Boston Logan Intl

Wed 1/7

4:20 pm-8:00 pm

Nonstop6h 40m

$219

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Wed 12/24

10:15 pm-6:45 am

Nonstop5h 30m

Boston Logan Intl

Wed 1/7

5:10 pm-8:50 pm

Nonstop6h 40m

$221

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Wed 1/21

9:10 am-5:39 pm

Nonstop5h 29m

Boston Logan Intl

Wed 1/28

4:20 pm-8:00 pm

Nonstop6h 40m

$224

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Thu 12/25

9:35 am-6:23 pm

Nonstop5h 48m

Boston Logan Intl

Tue 1/6

4:45 pm-8:18 pm

Nonstop6h 33m

$227

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Wed 12/24

10:15 pm-6:45 am

Nonstop5h 30m

Boston Logan Intl

Tue 1/6

5:10 pm-8:50 pm

Nonstop6h 40m

$231

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Thu 1/29

9:37 am-11:54 pm

1 stop11h 17m

Boston Logan Intl

Wed 2/4

4:20 pm-8:00 pm

Nonstop6h 40m

$232

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Thu 12/25

9:35 am-6:23 pm

Nonstop5h 48m

Boston Logan Intl

Thu 1/8

4:20 pm-8:00 pm

Nonstop6h 40m

$234

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Thu 1/8

3:15 pm-11:39 pm

Nonstop5h 24m

Boston Logan Intl

Wed 1/14

4:44 pm-8:20 pm

Nonstop6h 36m

$235

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Wed 12/24

10:15 pm-6:45 am

Nonstop5h 30m

Boston Logan Intl

Thu 1/8

5:10 pm-8:50 pm

Nonstop6h 40m

$236

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 1/20

9:07 pm-3:20 pm

1 stop15h 13m

Boston Logan Intl

Tue 1/27

4:20 pm-8:00 pm

Nonstop6h 40m

$237

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 $276. 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 $337. 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 $446.

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 $470 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 $362 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 $307 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?

No. A direct flight is the cheapest option for a flight between San Diego to Boston.

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

As of November 2025, prices for San Diego to Boston flights are approximately 4% 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

$169

Fastest flight time

5h 13m

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 $169. The best round-trip flight deal from San Diego to Boston found on momondo in the last 72 hours is $244.
The fastest flight from San Diego to Boston takes 5h 13m
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
Spirit AirlinesPriceFrom $118Free CancellationRating
6.3
8,158 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $138Free CancellationRating
7.8
2,813 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $142Free CancellationRating
7.9
7,996 reviews
Search Delta flights
JetBluePriceFrom $179Free CancellationRating
7.2
2,903 reviews
Search JetBlue flights
American AirlinesPriceFrom $216Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
SouthwestPriceFrom $228Free CancellationRating
8.0
4,252 reviews
Search Southwest flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
9,041 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $247Free CancellationRating
8.0
11,340 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From San Diego to Boston

    Alaska Airlines flight deals from San Diego to Boston start from $247 round-trip. Over the 5 Alaska Airlines flights for this route in a normal week, average airfare is usually $438 round-trip - but some users have found much cheaper deals with momondo.

  • Delta Flights From San Diego to Boston

    $142 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 $345, however, with flight time and availability significantly affecting the price. Delta (7.9/10 from 7,998 user reviews) flies into Boston from San Diego 6 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
Gloucester
Falmouth
Laconia
Brockton
Concord
Everett
Sturbridge
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.
Start using Trips
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