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Find cheap flights from Massachusetts to Costa Rica from $104

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 8/20. 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
Sat 7/6
Sat 7/13

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Good to know

Low season

September

High season

December

Cheapest flight

$104
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 24% 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

9/10Tue
1 stopSpirit Airlines
7h 23mBOS-SJO
9/17Tue
1 stopSpirit Airlines
10h 10mSJO-BOS
$209
9/11Wed
1 stopSpirit Airlines
7h 22mBOS-SJO
9/17Tue
1 stopSpirit Airlines
10h 11mSJO-BOS
$220
9/4Wed
2 stopsAmerican Airlines
17h 30mBOS-SJO
9/18Wed
2 stopsAmerican Airlines
18h 36mSJO-BOS
$291
9/18Wed
1 stopCopa Airlines
18h 25mBOS-SJO
10/15Tue
1 stopCopa Airlines
8h 36mSJO-BOS
$292
11/14Thu
1 stopCopa Airlines
18h 39mBOS-SJO
11/19Tue
1 stopCopa Airlines
8h 31mSJO-BOS
$302
11/5Tue
1 stopDelta
7h 53mBOS-SJO
11/8Fri
1 stopDelta
9h 56mSJO-BOS
$314
11/12Tue
2 stopsAmerican Airlines
21h 12mALB-LIR
11/19Tue
2 stopsAmerican Airlines
18h 40mLIR-ALB
$321
11/4Mon
1 stopDelta
22h 48mBOS-SJO
11/6Wed
1 stopDelta
8h 07mSJO-BOS
$322
9/8Sun
1 stopJetBlue
10h 45mBOS-SJO
9/18Wed
1 stopJetBlue
8h 37mSJO-BOS
$327
9/8Sun
1 stopJetBlue
9h 34mBOS-SJO
9/19Thu
1 stopJetBlue
9h 39mSJO-BOS
$331

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Recent one-way flight deals

8/20Tue
1 stopSpirit Airlines
16h 01mBOS-SJO
$104
9/9Mon
2 stopsSpirit Airlines
20h 34mBOS-SJO
$106
6/24Mon
2 stopsSpirit Airlines
28h 50mBOS-SJO
$111
7/27Sat
1 stop
18h 12mBDL-SJO
$150
8/19Mon
1 stopAmerican Airlines
12h 44mBOS-SJO
$154
10/9Wed
1 stopCopa Airlines
8h 28mBOS-SJO
$156
8/16Fri
1 stopAmerican Airlines
16h 36mBOS-SJO
$158
7/15Mon
1 stop
29h 19mBOS-SJO
$168
7/31Wed
1 stopJetBlue
8h 53mBDL-SJO
$180
11/3Sun
1 stopJetBlue
7h 38mBOS-SJO
$186

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Last minute flights from Massachusetts to Costa Rica

Last minute flight, train and bus deals

6/11Tue
multi-stop
20h 47mBOS-SJO
6/12Wed
multi-stop
18h 15mSJO-BOS
$361
6/11Tue
multi-stopSpirit Airlines
15h 28mBOS-SJO
6/12Wed
multi-stopSpirit Airlines
23h 53mSJO-BOS
$383
6/11Tue
multi-stopSpirit Airlines
15h 28mBOS-SJO
6/12Wed
multi-stopSpirit Airlines
20h 06mSJO-BOS
$386
6/8Sat
multi-stopSpirit Airlines
17h 28mBOS-SJO
7/9Tue
multi-stopSpirit Airlines
18h 45mSJO-BOS
$410
6/8Sat
multi-stopUnited Airlines
17h 00mBOS-SJO
6/12Wed
multi-stopUnited Airlines
13h 59mSJO-BOS
$435
6/9Sun
multi-stopUnited Airlines
15h 52mBOS-SJO
6/12Wed
multi-stopUnited Airlines
10h 49mSJO-BOS
$530
6/8Sat
multi-stopAmerican Airlines
11h 00mBOS-SJO
6/11Tue
multi-stopAmerican Airlines
10h 56mSJO-BOS
$589
6/8Sat
multi-stopAmerican Airlines
11h 00mBOS-SJO
7/9Tue
multi-stopAmerican Airlines
10h 09mSJO-BOS
$639
6/8Sat
multi-stopAvianca
11h 15mBOS-SJO
6/17Mon
multi-stopAvianca
27h 55mSJO-BOS
$773
6/8Sat
multi-stopAvianca
11h 15mBOS-SJO
6/19Wed
multi-stopAvianca
20h 40mSJO-BOS
$789

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Flights to Costa Rica

Return flight deals:

Costa Rica - Massachusetts

Cabin classes:

$1,554
$542