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
Wed 6/5
Wed 6/12

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

In the last 7 days travelers have searched 42,830,901 times on KAYAK, and here is why:

Save 22% 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 11% 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

5/28Tue
1 stopSpirit Airlines
13h 07mBOS-SAN
6/3Mon
2 stopsSpirit Airlines
33h 42mSAN-BOS
$172
5/28Tue
1 stopSpirit Airlines
13h 07mBOS-SAN
5/30Thu
1 stopSpirit Airlines
7h 55mSAN-BOS
$173
5/29Wed
2 stops
20h 06mBOS-SAN
6/13Thu
nonstop
5h 40mSAN-BOS
$253
6/4Tue
2 stops
15h 25mBOS-SAN
6/9Sun
1 stop
14h 09mSAN-BOS
$266
6/18Tue
2 stopsAmerican Airlines
23h 49mORH-SAN
6/26Wed
2 stopsAmerican Airlines
23h 49mSAN-ORH
$316
6/13Thu
2 stopsDelta
11h 28mMVY-SAN
6/17Mon
2 stopsDelta
11h 14mSAN-MVY
$327
6/20Thu
2 stopsAmerican Airlines
25h 05mORH-SAN
6/28Fri
2 stopsAmerican Airlines
21h 00mSAN-ORH
$336
5/17Fri
2 stopsDelta
11h 54mORH-SAN
5/20Mon
2 stopsDelta
12h 56mSAN-ORH
$391
6/13Thu
1 stopJetBlue
9h 01mMVY-SAN
6/17Mon
1 stopJetBlue
10h 52mSAN-MVY
$907
10/11Fri
1 stopJetBlue
9h 26mMVY-SAN
10/14Mon
1 stopJetBlue
10h 25mSAN-MVY
$921

Search by stops

Search by airline

Search by price

Recent one-way flight deals

5/21Tue
1 stopSpirit Airlines
13h 07mBOS-SAN
$40
5/29Wed
2 stopsSpirit Airlines
20h 06mBOS-SAN
$44
5/26Sun
1 stopDelta
8h 08mMVY-SAN
$143
5/30Thu
nonstopAlaska Airlines
6h 19mBOS-SAN
$164
6/19Wed
2 stops
12h 18mBOS-SAN
$165
7/2Tue
1 stopAmerican Airlines
8h 16mBOS-SAN
$172
5/24Fri
1 stop
21h 42mBOS-SAN
$173
8/17Sat
nonstopAlaska Airlines
6h 16mBOS-SAN
$187
5/24Fri
1 stopDelta
8h 08mMVY-SAN
$210
6/1Sat
nonstopAmerican Airlines
6h 20mBOS-SAN
$214

Search by stops

Search by airline

Search by price

Last minute flights from Massachusetts to San Diego

Last minute flight, train and bus deals

5/9Thu
multi-stop
21h 36mBOS-SAN
5/14Tue
multi-stop
17h 50mSAN-BOS
$307
5/9Thu
multi-stopSpirit Airlines
19h 59mBOS-SAN
5/14Tue
multi-stopSpirit Airlines
7h 55mSAN-BOS
$312
5/8Wed
multi-stopSpirit Airlines
20h 06mBOS-SAN
5/14Tue
multi-stopSpirit Airlines
7h 55mSAN-BOS
$323
5/10Fri
nonstopDelta
6h 13mBOS-SAN
5/27Mon
nonstopDelta
5h 41mSAN-BOS
$476
5/6Mon
multi-stopAmerican Airlines
10h 21mBOS-SAN
5/13Mon
multi-stopAmerican Airlines
9h 14mSAN-BOS
$512
5/10Fri
nonstopJetBlue
6h 13mBOS-SAN
5/13Mon
multi-stopJetBlue
8h 03mSAN-BOS
$528
5/8Wed
nonstopDelta
6h 13mBOS-SAN
5/14Tue
nonstopDelta
5h 41mSAN-BOS
$534
5/7Tue
multi-stopJetBlue
10h 36mBOS-SAN
5/11Sat
multi-stopJetBlue
8h 03mSAN-BOS
$553
5/10Fri
multi-stopUnited Airlines
10h 31mBOS-SAN
5/13Mon
multi-stopUnited Airlines
14h 23mSAN-BOS
$630
5/6Mon
multi-stopAmerican Airlines
10h 24mBOS-SAN
5/8Wed
multi-stopAmerican Airlines
8h 58mSAN-BOS
$639

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