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Find cheap flights from Massachusetts to Costa Rica from $79

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Massachusetts to Costa Rica departing on 5/14. 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

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

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Good to know

Low season

September

High season

March

Cheapest flight

$79
Best time to beat the crowds with an average 16% drop in price.
Most popular time to fly with an average 8% increase in price.
Flight from Boston to San José

FAQs for booking flights from Massachusetts to Costa Rica

  • How does KAYAK find such low prices on flights from Massachusetts to Costa Rica?

    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 Costa Rica.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Costa Rica 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 Costa Rica?

    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 Costa Rica 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 Costa Rica?

    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 Costa Rica from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Massachusetts to Costa Rica

Recent round-trip flight deals

5/29Wed
1 stopSpirit Airlines
17h 48mBOS-SJO
6/1Sat
1 stopSpirit Airlines
10h 25mSJO-BOS
$204
5/30Thu
1 stopSpirit Airlines
9h 14mBOS-SJO
6/3Mon
1 stopSpirit Airlines
7h 42mSJO-BOS
$222
6/11Tue
1 stop
7h 27mBOS-SJO
6/19Wed
1 stop
8h 20mSJO-BOS
$260
5/28Tue
2 stops
31h 32mBOS-SJO
6/19Wed
1 stop
8h 20mSJO-BOS
$261
10/25Fri
1 stopAvianca
8h 25mBOS-SJO
11/8Fri
1 stopAvianca
8h 20mSJO-BOS
$283
9/4Wed
1 stopCopa Airlines
18h 13mBOS-SJO
9/18Wed
1 stopCopa Airlines
18h 03mSJO-BOS
$292
8/21Wed
1 stopCopa Airlines
18h 27mBOS-SJO
8/27Tue
1 stopCopa Airlines
17h 59mSJO-BOS
$298
10/25Fri
2 stopsAvianca
18h 20mBOS-SJO
11/8Fri
1 stopAvianca
8h 20mSJO-BOS
$319
10/3Thu
1 stopDelta
7h 53mBOS-SJO
10/22Tue
1 stopDelta
10h 01mSJO-BOS
$371
7/22Mon
1 stopDelta
7h 53mBOS-LIR
8/5Mon
1 stopDelta
10h 01mLIR-BOS
$688

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Recent one-way flight deals

5/14Tue
1 stopSpirit Airlines
13h 02mBOS-SJO
$79
6/5Wed
1 stopSpirit Airlines
8h 30mBOS-SJO
$80
5/15Wed
1 stopSpirit Airlines
13h 02mBOS-SJO
$86
8/19Mon
1 stopAvianca
8h 25mBOS-SJO
$125
6/27Thu
1 stopCopa Airlines
18h 13mBOS-SJO
$151
8/21Wed
2 stopsAmerican Airlines
12h 55mBOS-SJO
$154
8/19Mon
2 stopsAvianca
16h 30mBOS-SJO
$158
5/12Sun
2 stops
27h 00mBOS-SJO
$183
5/16Thu
2 stops
27h 02mBOS-SJO
$198
7/15Mon
2 stopsAmerican Airlines
17h 21mBOS-LIR
$335

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Last minute flights from Massachusetts to Costa Rica

Last minute flight, train and bus deals

5/11Sat
multi-stopSpirit Airlines
13h 02mBOS-SJO
5/23Thu
multi-stopSpirit Airlines
10h 06mSJO-BOS
$303
5/11Sat
multi-stopSpirit Airlines
13h 02mBOS-SJO
5/22Wed
multi-stopSpirit Airlines
21h 39mSJO-BOS
$317
5/9Thu
multi-stopSpirit Airlines
13h 02mBOS-SJO
5/17Fri
multi-stopSpirit Airlines
16h 23mSJO-BOS
$320
5/11Sat
multi-stopSpirit Airlines
13h 02mBOS-SJO
5/22Wed
multi-stopSpirit Airlines
11h 23mSJO-BOS
$330
5/11Sat
multi-stop
11h 15mBOS-SJO
5/17Fri
multi-stop
8h 28mSJO-BOS
$422
5/7Tue
multi-stopCopa Airlines
18h 13mBOS-SJO
5/11Sat
multi-stopCopa Airlines
8h 45mSJO-BOS
$438
5/9Thu
multi-stop
13h 02mBOS-SJO
5/11Sat
multi-stop
16h 49mSJO-BOS
$470
5/10Fri
multi-stopAir Canada
22h 15mBOS-LIR
5/18Sat
multi-stopAir Canada
23h 28mLIR-BOS
$581
5/7Tue
multi-stopJetBlue
8h 45mBOS-LIR
5/16Thu
multi-stopJetBlue
8h 51mLIR-BOS
$602
5/6Mon
multi-stopJetBlue
8h 45mBOS-LIR
5/12Sun
multi-stopJetBlue
8h 51mLIR-BOS
$668

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Flights to Costa Rica

Return flight deals:

Costa Rica - Massachusetts

Cabin classes:

$642