Find flights
When to book
FAQs & Tips
Direct Flights
Deals

SAN

Find cheap flights from Massachusetts to San Diego from $40

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to San Diego departing on 5/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 6/6
Thu 6/13

Search hundreds of travel sites at once for deals on flights to San Diego

In the last 7 days travelers have searched 43,707,506 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Good to know

Low season

January

High season

July

Cheapest flight

$40
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 10% increase in price.
Flight from Boston to San Diego

FAQs for booking flights from Massachusetts to San Diego

  • How does KAYAK find such low prices on flights from Massachusetts to San Diego?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Massachusetts to San Diego.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to San Diego?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from Massachusetts is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Massachusetts to San Diego?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to Massachusetts with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts to San Diego?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Massachusetts to San Diego?

Find which airlines fly direct from Massachusetts to San Diego, which days they fly and book direct flights.

Nonstop departures

Massachusetts to San Diego

Monday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Tuesday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Wednesday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Thursday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Friday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Saturday

ANA, Aer Lingus, Aeromexico, +56 more

ANA, Aer Lingus, +57 more

Sunday

ANA, Aer Lingus, Aeromexico, +56 more

ANA, Aer Lingus, +57 more

See more direct flights

Nonstop returns

San Diego to Massachusetts

Monday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Tuesday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Wednesday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Thursday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Friday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Saturday

ANA, Aer Lingus, Aeromexico, +56 more

ANA, Aer Lingus, +57 more

Sunday

ANA, Aer Lingus, Aeromexico, +56 more

ANA, Aer Lingus, +57 more

See more direct flights
See more direct flights

Book cheap flights from Massachusetts to San Diego

Recent round-trip flight deals

5/21Tue
1 stopSpirit Airlines
13h 07mBOS-SAN
5/22Wed
1 stopSpirit Airlines
17h 50mSAN-BOS
$131
5/21Tue
1 stopSpirit Airlines
13h 07mBOS-SAN
5/25Sat
1 stopSpirit Airlines
29h 39mSAN-BOS
$137
5/24Fri
1 stop
21h 42mBOS-SAN
5/28Tue
1 stop
7h 55mSAN-BOS
$253
6/8Sat
nonstop
6h 19mBOS-SAN
6/12Wed
1 stop
9h 21mSAN-BOS
$256
6/30Sun
2 stopsAmerican Airlines
25h 05mORH-SAN
7/6Sat
2 stopsAmerican Airlines
24h 21mSAN-ORH
$316
6/13Thu
2 stopsDelta
12h 17mMVY-SAN
6/17Mon
2 stopsDelta
14h 34mSAN-MVY
$327
5/25Sat
2 stopsAmerican Airlines
25h 50mORH-SAN
7/3Wed
2 stopsAmerican Airlines
22h 14mSAN-ORH
$364
8/20Tue
2 stopsDelta
13h 28mMVY-SAN
8/24Sat
2 stopsDelta
13h 10mSAN-MVY
$430
9/9Mon
1 stopJetBlue
11h 05mORH-SAN
9/14Sat
1 stopJetBlue
11h 20mSAN-ORH
$474
9/9Mon
1 stopJetBlue
11h 05mORH-SAN
9/12Thu
1 stopJetBlue
11h 20mSAN-ORH
$499

Search by stops

Search by airline

Search by price

Recent one-way flight deals

5/21Tue
1 stopSpirit Airlines
13h 07mBOS-SAN
$40
5/22Wed
1 stopSpirit Airlines
12h 26mBOS-SAN
$60
6/5Wed
nonstopJetBlue
6h 20mBOS-SAN
$164
5/26Sun
3 stops
29h 12mBOS-SAN
$167
6/5Wed
nonstopDelta
6h 13mBOS-SAN
$169
7/2Tue
1 stopAmerican Airlines
8h 16mBOS-SAN
$172
5/24Fri
1 stop
21h 42mBOS-SAN
$173
6/21Fri
nonstopDelta
6h 11mBOS-SAN
$192
6/22Sat
nonstopJetBlue
6h 08mBOS-SAN
$218
6/29Sat
1 stopAmerican Airlines
10h 54mBOS-SAN
$244

Search by stops

Search by airline

Search by price

Last minute flights from Massachusetts to San Diego

Last minute flight, train and bus deals

5/11Sat
multi-stopSpirit Airlines
12h 26mBOS-SAN
5/22Wed
multi-stopSpirit Airlines
17h 50mSAN-BOS
$286
5/8Wed
multi-stopSpirit Airlines
20h 39mBOS-SAN
5/22Wed
multi-stopSpirit Airlines
17h 50mSAN-BOS
$298
5/9Thu
multi-stop
21h 36mBOS-SAN
5/14Tue
multi-stop
25h 00mSAN-BOS
$303
5/9Thu
multi-stop
21h 36mBOS-SAN
5/14Tue
multi-stop
17h 50mSAN-BOS
$307
5/10Fri
nonstopDelta
6h 13mBOS-SAN
5/27Mon
nonstopDelta
5h 41mSAN-BOS
$476
5/11Sat
multi-stopJetBlue
9h 00mBOS-SAN
5/30Thu
nonstopJetBlue
5h 32mSAN-BOS
$485
5/11Sat
nonstopJetBlue
6h 13mBOS-SAN
5/22Wed
nonstopJetBlue
5h 32mSAN-BOS
$504
5/10Fri
nonstopDelta
6h 13mBOS-SAN
5/23Thu
nonstopDelta
5h 41mSAN-BOS
$509
5/10Fri
nonstopAlaska Airlines
6h 22mBOS-SAN
5/20Mon
nonstopAlaska Airlines
5h 30mSAN-BOS
$534
5/11Sat
multi-stopAlaska Airlines
9h 14mBOS-SAN
5/20Mon
nonstopAlaska Airlines
5h 30mSAN-BOS
$543

Search by stops

Search by airline

Search by price

Flights to San Diego

Destination:

San Diego (SAN)United States

Return flight deals:

San Diego - Massachusetts

Cabin classes:

$788
$1,238
$761
$163