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Cheap flights from San Diego to Boston from $87

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 9/27. 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 (SAN-BOS)

Cheap round-trip flights

Southwest Logo
9:10 pm - 8:15 amSAN-BOS
8h 05m1 stop
Southwest Logo
6:45 am - 1:15 pmBOS-SAN
9h 30m1 stop
$174Southwest
Find Deal
Wed, Oct 22 - Tue, Oct 28
Southwest Logo
9:10 pm - 8:25 amSAN-BOS
8h 15m1 stop
Southwest Logo
5:05 am - 10:35 amBOS-SAN
8h 30m1 stop
$180Southwest
Find Deal
Tue, Oct 14 - Sat, Oct 18
Spirit Airlines Logo
6:15 am - 10:34 pmSAN-BOS
13h 19m2 stops
Spirit Airlines Logo
12:20 pm - 11:34 pmBOS-SAN
14h 14m2 stops
$182Spirit Airlines
Find Deal
Tue, Sep 2 - Tue, Sep 9
Southwest Logo
9:10 pm - 8:10 amSAN-BOS
8h 00m1 stop
Southwest Logo
5:40 am - 10:30 amBOS-SAN
7h 50m1 stop
$186Southwest
Find Deal
Tue, Sep 2 - Tue, Sep 9
American Airlines Logo
6:15 am - 9:00 pmSAN-BOS
11h 45m1 stop
American Airlines Logo
7:00 am - 2:03 pmBOS-SAN
10h 03m1 stop
$227American Airlines
Find Deal
Sat, Sep 6 - Wed, Sep 17
JetBlue Logo
8:15 pm - 5:00 amSAN-BOS
5h 45mnonstop
JetBlue Logo
7:16 am - 10:30 amBOS-SAN
6h 14mnonstop
$237JetBlue
Find Deal
Wed, Oct 15 - Tue, Oct 21
Alaska Airlines Logo
7:59 pm - 3:00 pmSAN-BOS
16h 01m1 stop
Alaska Airlines Logo
7:45 am - 10:50 amBOS-SAN
6h 05mnonstop
$247Alaska Airlines
Find Deal
Sat, Sep 6 - Wed, Sep 17
Alaska Airlines Logo
7:59 pm - 3:00 pmSAN-BOS
16h 01m1 stop
Alaska Airlines Logo
8:23 pm - 7:41 amBOS-SAN
14h 18m1 stop
$256Alaska Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
JetBlue Logo
8:55 pm - 5:40 amSAN-BOS
5h 45mnonstop
JetBlue Logo
9:30 am - 12:42 pmBOS-SAN
6h 12mnonstop
$257JetBlue
Find Deal
Wed, Oct 1 - Sun, Oct 5
Hawaiian Airlines Logo
8:48 am - 5:43 pmSAN-BOS
5h 55mnonstop
Hawaiian Airlines Logo
4:24 pm - 8:03 pmBOS-SAN
6h 39mnonstop
$262Hawaiian Airlines
Find Deal
Wed, Oct 22 - Mon, Oct 27

Southwest flights from San Diego to Boston

Our best Southwest deals on San Diego to Boston flight tickets
Southwest
Oct 22
SAN9:10 pmSan Diego
8h 05m
1 stop
BOS8:15 amBoston Logan Intl
Oct 28
BOS6:45 amBoston Logan Intl
9h 30m
1 stop
SAN1:15 pmSan Diego
$174
Find similar
Southwest
Oct 14
SAN9:10 pmSan Diego
8h 15m
1 stop
BOS8:25 amBoston Logan Intl
Oct 18
BOS5:05 amBoston Logan Intl
8h 30m
1 stop
SAN10:35 amSan Diego
$180
Find similar
Southwest
Sep 2
SAN9:10 pmSan Diego
8h 00m
1 stop
BOS8:10 amBoston Logan Intl
Sep 9
BOS5:40 amBoston Logan Intl
7h 50m
1 stop
SAN10:30 amSan Diego
$186
Find similar

Spirit Airlines flights from San Diego to Boston

Our best Spirit Airlines deals on San Diego to Boston flight tickets
Spirit Airlines
Sep 2
SAN6:15 amSan Diego
13h 19m
2 stops
BOS10:34 pmBoston Logan Intl
Sep 9
BOS12:20 pmBoston Logan Intl
14h 14m
2 stops
SAN11:34 pmSan Diego
$182
Find similar
Spirit Airlines
Sep 2
SAN7:01 pmSan Diego
25h 48m
3 stops
BOS11:49 pmBoston Logan Intl
Sep 9
BOS12:20 pmBoston Logan Intl
22h 09m
2 stops
SAN7:29 amSan Diego
$188
Find similar
Spirit Airlines
Sep 6
SAN1:35 pmSan Diego
18h 38m
2 stops
BOS11:13 amBoston Logan Intl
Sep 10
BOS12:20 pmBoston Logan Intl
22h 09m
2 stops
SAN7:29 amSan Diego
$191
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 August 5, 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 10/22

9:10 pm-8:15 am

1 stop8h 05m

Boston Logan Intl

Tue 10/28

6:45 am-1:15 pm

1 stop9h 30m

$174

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 10/14

9:10 pm-8:25 am

1 stop8h 15m

Boston Logan Intl

Sat 10/18

5:05 am-10:35 am

1 stop8h 30m

$180

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 9/2

6:15 am-10:34 pm

2 stops13h 19m

Boston Logan Intl

Tue 9/9

12:20 pm-11:34 pm

2 stops14h 14m

$182

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 9/2

9:10 pm-8:10 am

1 stop8h 00m

Boston Logan Intl

Tue 9/9

5:40 am-10:30 am

1 stop7h 50m

$186

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Sat 9/6

6:15 am-9:00 pm

1 stop11h 45m

Boston Logan Intl

Wed 9/17

7:00 am-2:03 pm

1 stop10h 03m

$227

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Wed 10/15

8:15 pm-5:00 am

Nonstop5h 45m

Boston Logan Intl

Tue 10/21

7:16 am-10:30 am

Nonstop6h 14m

$237

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Sat 9/6

7:59 pm-3:00 pm

1 stop16h 01m

Boston Logan Intl

Wed 9/17

7:45 am-10:50 am

Nonstop6h 05m

$247

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Tue 9/9

7:59 pm-3:00 pm

1 stop16h 01m

Boston Logan Intl

Tue 9/16

8:23 pm-7:41 am

1 stop14h 18m

$256

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Wed 10/1

8:55 pm-5:40 am

Nonstop5h 45m

Boston Logan Intl

Sun 10/5

9:30 am-12:42 pm

Nonstop6h 12m

$257

San DiegoBoston

SAN - BOS

SANBOS

San Diego

Wed 10/22

8:48 am-5:43 pm

Nonstop5h 55m

Boston Logan Intl

Mon 10/27

4:24 pm-8:03 pm

Nonstop6h 39m

$262

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 $327.

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 $350. 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 $458.

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 $331. 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 $495 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 $372 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 $311 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 August 2025, prices for San Diego to Boston flights are approximately 8% more expensive 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

$87

Fastest flight time

5h 37m

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 $87. The best round-trip flight deal from San Diego to Boston found on momondo in the last 72 hours is $174.
The fastest flight from San Diego to Boston takes 5h 37m
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 45m.

  • 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 $84Free CancellationRating
5.8
3,232 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $118Free CancellationRating
6.3
8,052 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $140Free CancellationRating
7.8
2,619 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $160Free CancellationRating
8.0
7,990 reviews
Search Delta flights
JetBluePriceFrom $171Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
8,910 reviews
Search United Airlines flights
American AirlinesPriceFrom $241Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $257Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $277Free CancellationRating
8.0
4,247 reviews
Search Southwest flights

  • Delta Flights From San Diego to Boston

    Delta flight deals from San Diego to Boston start from $160 round-trip. Over the 4 Delta flights for this route in a normal week, average airfare is usually $355 round-trip - but some users have found much cheaper deals with momondo.

  • Alaska Airlines Flights From San Diego to Boston

    $257 is the best Alaska Airlines flight deal from San Diego to Boston found on momondo over the last 72 hours. The average Alaska Airlines ticket price found was closer to $457, however, with flight time and availability significantly affecting the price. Alaska Airlines (8.0/10 from 10,000 user reviews) flies into Boston from San Diego 14 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
Hampton
Old Orchard Beach
York Beach
Plymouth
Kennebunkport
Nashua
Cambridge
Narragansett
Laconia
Brockton
South Yarmouth
Gloucester
Concord
Everett
Wells
Falmouth
Sturbridge

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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