Find cheap flights from Boston to San Diego

BOS - SAN

Find cheap flights from Boston to San Diego

Round-trip
Economy
Boston (BOS)
San Diego
Fri 7/3
Fri 7/10
Any month
Compare vs. KAYAK |
Search hundreds of travel sites at once for deals on flights to San Diego

Good to know

Low season

September Best time to beat the crowds with an average 14% drop in price.

High season

December Most popular time to fly with an average 15% increase in price.

Average price of a round-trip

$345 (avg. price over the last 2 weeks)

Good deal for a round-trip

$332 or less

When to book flights from Boston to San Diego

Estimated round-trip price
Average price per month
Flight prices as travel date approaches
-1 day
-2 days

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $188 or less.
  • The cheapest flight from Boston to San Diego was found 0 days before departure, on average.
  • Book at least 1 week before departure in order to get a below-average price.
  • High season is considered to be November, December and January. The cheapest month to fly is September.
  • Morning departure is around 10% cheaper than an evening flight, on average*.
  • Looking to relax before your flight from Boston to San Diego? There are several airline lounges at Boston Logan Airport, open to all classes of passenger. Delta Sky Club has two locations in Terminal A or there is the American Airlines Admirals Club located in Terminal B. Alternatively, you can check into the Be Relax spa in Terminal C.
  • If you need to entertain the children on your flight to San Diego, you will find three play areas located around Boston Logan Airport. Offering a safe place for your children to play, Kidport is equipped with climbing structures, a kid-sized replica of Boston Logan’s control tower, plus lots more. You will find one at Terminals A, B, and C.
  • If you are bringing your service animal or pet on your flight from Boston to San Diego, before you fly you will find pet relief areas outside every terminal, on the Arrivals level of Boston Logan Airport. You will also find a pet relief area at Terminal E, post-security. Once you land at San Diego International Airport, you will find seven pet relief areas, both indoor and outdoor.
  • If you or someone you are traveling with has a disability, there are plenty of services and amenities at Boston Logan Airport to make their visit comfortable. In addition to accessible restrooms in each terminal, there are elevators and ramps to make accessing terminals, garages, and curbs easier.
  • Where are the best places to eat at Boston Logan Airport? Terminal B at Boston Logan Airport has the best selection of restaurants, mainly pre-security. From Villa Pizza and WPizza by Wolfgang Puck to three Dunkin‘ Donuts outlets and two Legal Seafoods restaurants, you will have many dining options. If you are craving some local cuisine, head to Dine Boston to experience delicious seasonal ingredients from guest chefs at Terminal E.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking Boston to San Diego flights

Are flight prices cheaper from Boston to San Diego because of Coronavirus (COVID-19)?

How long does a flight from Boston to San Diego take?

How many flights are there between Boston and San Diego?

Which airlines provide the cheapest flights from Boston to San Diego?

Do I need a passport to fly between Boston and San Diego?

Which airlines fly most frequently between Boston and San Diego?

What’s the cheapest day of the week to fly Boston to San Diego?

Which airports will I be using when flying from Boston to San Diego?

What is the quickest way to get from San Diego International Airport to downtown San Diego?

Are there nearby hotels at San Diego International Airport?

Can I fly from Boston to San Diego non-stop?

Which airlines have a hub at San Diego International Airport?

How does KAYAK’s flight Price Forecast tool help me choose the right time to buy?

Top airline flying Boston Logan Intl to San Diego

Scores according to KAYAK customer reviews

5.6
Spirit Airlines
Overall score based on 61,008 reviews
6.2
Boarding
5.4
Comfort
6.5
Crew
4.6
Entertainment
4.8
Food
Airline reviews
Read more about Spirit Airlines

Book cheap flights from Boston to San Diego (round-trip)

Airports
Origin
Boston
$90
only
$90
Destination
San Diego
$90
only
$90
Fri, Aug 7
BOS
Boston Logan Airport
SAN
San Diego Airport
12h 01m
Mon, Aug 10
SAN
San Diego Airport
BOS
Boston Logan Airport
20h 00m
Trip: 4 days
Based on null reviews
Mon, Jul 6
BOS
Boston Logan Airport
SAN
San Diego Airport
15h 09m
Tue, Jul 14
SAN
San Diego Airport
BOS
Boston Logan Airport
22h 00m
Trip: 9 days
Based on null reviews
Wed, Aug 12
BOS
Boston Logan Airport
SAN
San Diego Airport
22h 44m
Tue, Aug 18
SAN
San Diego Airport
BOS
Boston Logan Airport
20h 00m
Trip: 7 days
Based on null reviews
Fri, Aug 7
BOS
Boston Logan Airport
SAN
San Diego Airport
12h 01m
Wed, Aug 12
SAN
San Diego Airport
BOS
Boston Logan Airport
20h 00m
Trip: 6 days
Based on null reviews
Wed, Aug 19
BOS
Boston Logan Airport
SAN
San Diego Airport
22h 44m
Wed, Aug 26
SAN
San Diego Airport
BOS
Boston Logan Airport
20h 00m
Trip: 8 days
Based on null reviews
Fri, Aug 7
BOS
Boston Logan Airport
SAN
San Diego Airport
12h 01m
Fri, Aug 14
SAN
San Diego Airport
BOS
Boston Logan Airport
12h 59m
Trip: 8 days
Based on null reviews
Mon, Aug 10
BOS
Boston Logan Airport
SAN
San Diego Airport
12h 01m
Mon, Aug 17
SAN
San Diego Airport
BOS
Boston Logan Airport
20h 00m
Trip: 8 days
Based on null reviews
Thu, Aug 6
BOS
Boston Logan Airport
SAN
San Diego Airport
12h 01m
Mon, Aug 10
SAN
San Diego Airport
BOS
Boston Logan Airport
12h 23m
Trip: 5 days
Based on null reviews
Sat, Aug 22
BOS
Boston Logan Airport
SAN
San Diego Airport
22h 44m
Wed, Aug 26
SAN
San Diego Airport
BOS
Boston Logan Airport
20h 00m
Trip: 5 days
Based on null reviews
Thu, Jul 9
BOS
Boston Logan Airport
SAN
San Diego Airport
24h 41m
Tue, Jul 14
SAN
San Diego Airport
BOS
Boston Logan Airport
22h 00m
Trip: 6 days
Based on null reviews
Wed, Aug 12
BOS
Boston Logan Airport
SAN
San Diego Airport
22h 44m
Wed, Aug 19
SAN
San Diego Airport
BOS
Boston Logan Airport
14h 52m
Trip: 8 days
Based on null reviews
Mon, Jul 6
BOS
Boston Logan Airport
SAN
San Diego Airport
15h 09m
Thu, Jul 16
SAN
San Diego Airport
BOS
Boston Logan Airport
25h 34m
Trip: 11 days
Based on null reviews
Wed, Sep 16
BOS
Boston Logan Airport
SAN
San Diego Airport
8h 27m
Wed, Sep 30
SAN
San Diego Airport
BOS
Boston Logan Airport
18h 56m
Trip: 15 days
Based on null reviews
Thu, Aug 6
BOS
Boston Logan Airport
SAN
San Diego Airport
12h 01m
Mon, Aug 10
SAN
San Diego Airport
BOS
Boston Logan Airport
14h 32m
Trip: 5 days
Based on null reviews
Thu, Aug 6
BOS
Boston Logan Airport
SAN
San Diego Airport
12h 01m
Mon, Aug 10
SAN
San Diego Airport
BOS
Boston Logan Airport
20h 00m
Trip: 5 days
Based on null reviews
Tue, Aug 4
BOS
Boston Logan Airport
SAN
San Diego Airport
23h 54m
Sat, Aug 8
SAN
San Diego Airport
BOS
Boston Logan Airport
13h 26m
Trip: 5 days
Based on null reviews
Fri, Aug 7
BOS
Boston Logan Airport
SAN
San Diego Airport
12h 01m
Fri, Aug 14
SAN
San Diego Airport
BOS
Boston Logan Airport
20h 00m
Trip: 8 days
Based on null reviews
Fri, Aug 14
BOS
Boston Logan Airport
SAN
San Diego Airport
12h 01m
Mon, Aug 17
SAN
San Diego Airport
BOS
Boston Logan Airport
14h 32m
Trip: 4 days
Based on null reviews
Fri, Aug 14
BOS
Boston Logan Airport
SAN
San Diego Airport
12h 01m
Mon, Aug 17
SAN
San Diego Airport
BOS
Boston Logan Airport
20h 00m
Trip: 4 days
Based on null reviews
Fri, Aug 14
BOS
Boston Logan Airport
SAN
San Diego Airport
12h 01m
Mon, Aug 17
SAN
San Diego Airport
BOS
Boston Logan Airport
21h 10m
Trip: 4 days
Based on null reviews
Show more results

Book cheap flights from Boston to San Diego (one-way)

Airports
Origin
Boston
$55
only
$55
Destination
San Diego
$55
only
$55
Mon, Aug 17
BOS
Boston Logan Airport
SAN
San Diego Airport
12h 01m
Based on null reviews
Mon, Jul 6
BOS
Boston Logan Airport
SAN
San Diego Airport
15h 09m
Based on null reviews
Fri, Aug 14
BOS
Boston Logan Airport
SAN
San Diego Airport
12h 01m
Based on null reviews
Thu, Aug 20
BOS
Boston Logan Airport
SAN
San Diego Airport
22h 44m
Based on null reviews
Wed, Jul 29
BOS
Boston Logan Airport
SAN
San Diego Airport
19h 43m
Based on null reviews
Fri, Aug 14
BOS
Boston Logan Airport
SAN
San Diego Airport
12h 01m
Based on null reviews
Sun, Aug 16
BOS
Boston Logan Airport
SAN
San Diego Airport
12h 01m
Based on null reviews
Tue, Jul 7
BOS
Boston Logan Airport
SAN
San Diego Airport
22h 29m
Based on null reviews
Thu, Jul 9
BOS
Boston Logan Airport
SAN
San Diego Airport
24h 41m
Based on null reviews
Tue, Jul 14
BOS
Boston Logan Airport
SAN
San Diego Airport
22h 29m
Based on null reviews
Thu, Jul 16
BOS
Boston Logan Airport
SAN
San Diego Airport
24h 41m
Based on null reviews
Tue, Aug 4
BOS
Boston Logan Airport
SAN
San Diego Airport
23h 54m
Based on null reviews
Sat, Jul 18
BOS
Boston Logan Airport
SAN
San Diego Airport
27h 18m
Based on null reviews
Wed, Jul 29
BOS
Boston Logan Airport
SAN
San Diego Airport
22h 29m
Based on null reviews
Mon, Jul 27
BOS
Boston Logan Airport
SAN
San Diego Airport
15h 09m
Based on null reviews
Tue, Jul 21
BOS
Boston Logan Airport
SAN
San Diego Airport
21h 19m
Based on null reviews
Sat, Jul 11
BOS
Boston Logan Airport
SAN
San Diego Airport
17h 23m
Based on null reviews
Mon, Aug 10
BOS
Boston Logan Airport
SAN
San Diego Airport
22h 44m
Based on null reviews
Sat, Jul 4
BOS
Boston Logan Airport
SAN
San Diego Airport
17h 23m
Based on null reviews
Sat, Jul 11
BOS
Boston Logan Airport
SAN
San Diego Airport
19h 43m
Based on null reviews
Show more results
*
Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an and someone from our team will get back to you promptly.

^
The fares displayed include all taxes and fees for economy class travel and were found by the provider in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
-
1
  • Round-trip
  • One-way
  • Multi-city
  • Trip Builder
  • Economy
  • Premium Economy
  • Business
  • First
  • Multiple
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First