What is the most punctual flight time for Boston to San Diego flights?

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

How often are flights from Boston to San Diego delayed?

Historically, on average around 13% of flights between Boston and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 136 minutes.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

What is the cheapest airline that flies from Boston Logan Intl to San Diego?

Alaska Airlines, Delta, and Frontier are the most popular carriers operating from Boston Logan Intl to San Diego

Which airline has the best punctuality record on Boston to San Diego flights?

According to our data, Spirit Airlines have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

How many flights depart from Boston to San Diego on average per day?

As of November 2025, 9 flights take off from Boston and land in San Diego each day. The most common flight departure time for this route is 4:00PM, with 79% of daily flights taking off in the afternoon.

How many flights depart from Boston to San Diego on average per week?

As of November 2025, there are 66 flights per week flying from Boston to San Diego. The most common day of the week flights depart is Thu, with 20% of flights taking off on this day.

What airlines fly to San Diego?

JetBlue, American Airlines and Delta are the top three most popular airlines that fly to San Diego from Boston according to our data. JetBlue is the first choice among our users, with 41% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 11 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

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

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

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

As of November 2025, there are 9 operators available to choose from for flights from Boston Logan Intl Airport to San Diego Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$118 Cheap Flights from Boston to San Diego in 2025/26

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Cheap round-trip flights

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7:00 am - 10:39 amBOS-SAN

6h 39mnonstop

9:20 pm - 5:49 amSAN-BOS

5h 29mnonstop

$211JetBlue

Find Deal

Sat, Dec 6 - Sat, Dec 13

4:24 pm - 8:10 pmBOS-SAN

6h 46mnonstop

9:15 am - 5:52 pmSAN-BOS

5h 37mnonstop

$216Hawaiian Airlines

Find Deal

Sat, Dec 6 - Sat, Dec 13

5:25 pm - 8:59 pmBOS-SAN

6h 34mnonstop

10:15 pm - 6:45 amSAN-BOS

5h 30mnonstop

$221Delta

Find Deal

Tue, Dec 9 - Thu, Dec 25

4:24 pm - 8:10 pmBOS-SAN

6h 46mnonstop

9:15 am - 5:52 pmSAN-BOS

5h 37mnonstop

$225Alaska Airlines

Find Deal

Sat, Dec 6 - Sat, Dec 13

4:24 pm - 8:10 pmBOS-SAN

6h 46mnonstop

9:15 am - 5:52 pmSAN-BOS

5h 37mnonstop

$226Hawaiian Airlines

Find Deal

Mon, Dec 8 - Sat, Dec 13

4:24 pm - 8:10 pmBOS-SAN

6h 46mnonstop

9:15 am - 5:52 pmSAN-BOS

5h 37mnonstop

$227Alaska Airlines

Find Deal

Sat, Dec 6 - Sat, Dec 13

7:00 am - 10:39 amBOS-SAN

6h 39mnonstop

9:20 pm - 5:49 amSAN-BOS

5h 29mnonstop

$228JetBlue

Find Deal

Sat, Dec 6 - Sat, Dec 13

7:00 am - 4:57 pmBOS-SAN

12h 57m1 stop

9:35 am - 6:23 pmSAN-BOS

5h 48mnonstop

$231Alaska Airlines

Find Deal

Tue, Dec 9 - Thu, Dec 25

4:24 pm - 8:10 pmBOS-SAN

6h 46mnonstop

9:15 am - 5:52 pmSAN-BOS

5h 37mnonstop

$232Alaska Airlines

Find Deal

Wed, Dec 10 - Wed, Dec 17

4:24 pm - 8:10 pmBOS-SAN

6h 46mnonstop

9:15 am - 5:52 pmSAN-BOS

5h 37mnonstop

$235Alaska Airlines

Find Deal

Tue, Dec 9 - Thu, Dec 11

Delta flights from Boston to San Diego

Our best Delta deals on Boston to San Diego flight tickets

Delta

Dec 9

BOS5:25 pmBoston Logan Intl

6h 34m

SAN8:59 pmSan Diego

Dec 24

SAN10:15 pmSan Diego

5h 30m

BOS6:45 amBoston Logan Intl

$221

Find similar

Delta

Jan 17

BOS5:10 pmBoston Logan Intl

6h 42m

SAN8:52 pmSan Diego

Jan 30

SAN10:04 pmSan Diego

5h 26m

BOS6:30 amBoston Logan Intl

$252

Find similar

Delta

Jan 15

BOS5:10 pmBoston Logan Intl

6h 42m

SAN8:52 pmSan Diego

Jan 18

SAN10:04 pmSan Diego

5h 26m

BOS6:30 amBoston Logan Intl

$257

Find similar

American Airlines flights from Boston to San Diego

Our best American Airlines deals on Boston to San Diego flight tickets

American Airlines

Dec 6

BOS2:28 pmBoston Logan Intl

8h 48m

1 stop

SAN8:16 pmSan Diego

Dec 13

SAN10:45 pmSan Diego

7h 44m

1 stop

BOS9:29 amBoston Logan Intl

$248

Find similar

American Airlines

Nov 19

BOS6:48 amBoston Logan Intl

8h 45m

1 stop

SAN12:33 pmSan Diego

Dec 2

SAN10:41 pmSan Diego

8h 53m

1 stop

BOS10:34 amBoston Logan Intl

$397

Find similar

American Airlines

Nov 20

BOS1:38 pmBoston Logan Intl

10h 22m

1 stop

SAN9:00 pmSan Diego

Dec 2

SAN4:25 pmSan Diego

10h 06m

1 stop

BOS5:31 amBoston Logan Intl

$445

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Sat 12/6

7:00 am-10:39 am

Nonstop6h 39m

San Diego

Sat 12/13

9:20 pm-5:49 am

Nonstop5h 29m

$211

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Sat 12/6

4:24 pm-8:10 pm

Nonstop6h 46m

San Diego

Sat 12/13

9:15 am-5:52 pm

Nonstop5h 37m

$216

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Tue 12/9

5:25 pm-8:59 pm

Nonstop6h 34m

San Diego

Thu 12/25

10:15 pm-6:45 am

Nonstop5h 30m

$221

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Sat 12/6

4:24 pm-8:10 pm

Nonstop6h 46m

San Diego

Sat 12/13

9:15 am-5:52 pm

Nonstop5h 37m

$225

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Mon 12/8

4:24 pm-8:10 pm

Nonstop6h 46m

San Diego

Sat 12/13

9:15 am-5:52 pm

Nonstop5h 37m

$226

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Sat 12/6

4:24 pm-8:10 pm

Nonstop6h 46m

San Diego

Sat 12/13

9:15 am-5:52 pm

Nonstop5h 37m

$227

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Sat 12/6

7:00 am-10:39 am

Nonstop6h 39m

San Diego

Sat 12/13

9:20 pm-5:49 am

Nonstop5h 29m

$228

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Tue 12/9

7:00 am-4:57 pm

1 stop12h 57m

San Diego

Thu 12/25

9:35 am-6:23 pm

Nonstop5h 48m

$231

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Wed 12/10

4:24 pm-8:10 pm

Nonstop6h 46m

San Diego

Wed 12/17

9:15 am-5:52 pm

Nonstop5h 37m

$232

BostonSan Diego

BOS - SAN

BOSSAN

Boston Logan Intl

Tue 12/9

4:24 pm-8:10 pm

Nonstop6h 46m

San Diego

Thu 12/11

9:15 am-5:52 pm

Nonstop5h 37m

$235

Flights are sorted by cheapest round-trip flights first.

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

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

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of January, then departing from Boston during the month October is also very affordable. Most momondo users find prices during this month for around $337.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Boston to San Diego is on a Tuesday. Travelers who choose to depart for San Diego on a Tuesday will often find tickets for as low as $346. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $430. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

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

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $186. Flights in the morning are often more expensive with an average ticket price of $386.

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

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

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $368 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Boston for as low as $314 on momondo.

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

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

You could potentially save up to 8% on your flight if you consider stops on a Boston to San Diego flight.

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

As of November 2025, prices for Boston to San Diego flights are approximately 2% cheaper when compared to flights at the same time last year.

When to book flights from Boston to San Diego

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

Estimated round-trip price

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

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

Best Price Found	$180
Fastest flight time	6h 18m
Direct flights	Every day
Airports in San Diego	1 airport

The best one-way flight to San Diego from Boston in the past 72 hours is $180. The best round-trip flight deal from Boston to San Diego found on momondo in the last 72 hours is $280.

The fastest flight from Boston to San Diego takes 6h 18m

Direct flights go from Boston to San Diego every day.

There is 1 airport near San Diego: San Diego (SAN)

Search flight deals

How far is Boston Logan Intl to San Diego by plane?
A flight from Boston Logan Intl to San Diego will travel around 2576.8 mi. In terms of flight time, this usually takes a little over 6h 29m.
When did momondo last update prices for flights from Boston Logan Intl Airport to San Diego Airport?
Prices for flights from Boston Logan Intl Airport to San Diego Airport are updated daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to San Diego Airport?
As of November 2025, there are 9 operators available to choose from for flights from Boston Logan Intl Airport to San Diego Airport.
How old do you have to be to fly from Boston Logan Intl Airport to San Diego Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Boston to San Diego?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Boston to San Diego is Airbus A318/A319/A320/A321 (23.29% of total bookings). The next most popular plane models are Airbus A321neo (22.82%), Boeing 737 (19.31%), and Boeing 737 MAX 9 (11.81%).
What is the most popular airline from Boston to San Diego?
momondo data reveals that the most frequently booked airline on the route from Boston to San Diego is JetBlue, representing 51% of all bookings. The subsequent popular airlines are Delta at 20%, Alaska Airlines at 13%, and American Airlines at 8%.

Best airlines flying from Boston to San Diego

Compare and see reviews for airlines that fly from Boston to San Diego with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $46	Free Cancellation	Rating 5.8 3,111 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $99	Free Cancellation	Rating 6.3 8,139 reviews	Search Spirit Airlines flights
Delta	PriceFrom $135	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $138	Free Cancellation	Rating 7.8 2,809 reviews	Search Hawaiian Airlines flights
JetBlue	PriceFrom $195	Free Cancellation	Rating 7.2 2,907 reviews	Search JetBlue flights
Alaska Airlines	PriceFrom $237	Free Cancellation	Rating 8.0 11,284 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $252	Free Cancellation	Rating 7.4 9,017 reviews	Search United Airlines flights
American Airlines	PriceFrom $255	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines flights
Southwest	PriceFrom $284	Free Cancellation	Rating 8.0 4,240 reviews	Search Southwest flights

Alaska Airlines Flights From Boston to San Diego
Across 4 Alaska Airlines flights from Boston to San Diego this week, the average price was $422, with the best Alaska Airlines deals starting from $237 round-trip. 11,284 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.
Southwest Flights From Boston to San Diego
$284 is the best Southwest flight deal from Boston to San Diego found on momondo over the last 72 hours. The average Southwest ticket price found was closer to $511, however, with flight time and availability significantly affecting the price. Southwest (8.0/10 from 4,240 user reviews) flies into San Diego from Boston 3 times in an average week so prices can vary.

Coronado

Chula Vista

El Cajon

Julian

National City

Imperial Beach

La Mesa

Poway

Borrego Springs

San Ysidro

Lemon Grove

Alpine

Santee

Why use momondo?

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

It is quick and easy to find Boston to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

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

momondo does allow users to show only those flights to San Diego from Boston which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to San Diego from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

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Cheap flights from Boston to San Diego from $123

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to San Diego departing on 1/13. 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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See travel insights to San Diego from

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

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 San Diego?

If you are unable to visit San Diego during the month of January, then departing from Boston during the month October is also very affordable. Most momondo users find prices during this month for around $337.

What is the cheapest day to depart on your flight to San Diego?

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

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $186. Flights in the morning are often more expensive with an average ticket price of $386.

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

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

How far in advance should I book a flight to San Diego?

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

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

You could potentially save up to 8% on your flight if you consider stops on a Boston to San Diego flight.

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

As of November 2025, prices for Boston to San Diego flights are approximately 2% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Boston Logan Intl to San Diego?

Alaska Airlines, Delta, and Frontier are the most popular carriers operating from Boston Logan Intl to San Diego

What airlines fly to San Diego?

How often are flights from Boston to San Diego delayed?

Historically, on average around 13% of flights between Boston and San Diego have experienced a delay on any given week. The average delay length over the past 12 months has been 136 minutes.

What is the most punctual flight time for Boston to San Diego flights?

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Boston to San Diego flights?

According to our data, Spirit Airlines have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

How many flights depart from Boston to San Diego on average per day?

As of November 2025, 9 flights take off from Boston and land in San Diego each day. The most common flight departure time for this route is 4:00PM, with 79% of daily flights taking off in the afternoon.

How many flights depart from Boston to San Diego on average per week?

As of November 2025, there are 66 flights per week flying from Boston to San Diego. The most common day of the week flights depart is Thu, with 20% of flights taking off on this day.

When to book flights from Boston to San Diego

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in San Diego

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

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

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

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

What documentation or ID do you need to fly to San Diego Airport?

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

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

Best airlines flying from Boston to San Diego

Compare and see reviews for airlines that fly from Boston to San Diego with momondo

Alaska Airlines Flights From Boston to San Diego

Southwest Flights From Boston to San Diego

Traveling to a place near San Diego?

Why use momondo?

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

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

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

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

An easier way to manage your San Diego 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.

Get notified when prices go down