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Find cheap flights from Maine to Costa Rica from $97

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Maine to Costa Rica departing on 9/10. 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 7/10
Wed 7/17

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In the last 7 days travelers have searched 42,898,604 times on KAYAK, and here is why:

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Good to know

Low season

September

High season

December

Cheapest flight

$97
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 Maine to Costa Rica

  • How does KAYAK find such low prices on flights from Maine 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 Maine to Costa Rica.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Costa Rica from Maine 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 Maine 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 Maine with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maine 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 Maine 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 Maine to Costa Rica

Recent round-trip flight deals

9/4Wed
1 stopSpirit Airlines
7h 23mBOS-SJO
9/18Wed
1 stopSpirit Airlines
10h 10mSJO-BOS
$224
9/10Tue
1 stopSpirit Airlines
7h 23mBOS-SJO
9/17Tue
1 stopSpirit Airlines
10h 10mSJO-BOS
$235
10/1Tue
1 stop
7h 23mBOS-SJO
10/8Tue
2 stops
20h 00mSJO-BOS
$244
9/19Thu
1 stop
7h 23mBOS-SJO
9/23Mon
2 stops
21h 05mSJO-BOS
$281
9/4Wed
2 stopsAmerican Airlines
8h 56mBOS-SJO
9/18Wed
2 stopsAmerican Airlines
18h 38mSJO-BOS
$291
11/14Thu
1 stopCopa Airlines
18h 39mBOS-SJO
11/18Mon
1 stopCopa Airlines
13h 07mSJO-BOS
$302
9/1Sun
2 stopsAmerican Airlines
9h 26mBOS-SJO
9/7Sat
1 stopAmerican Airlines
8h 16mSJO-BOS
$305
8/28Wed
1 stopCopa Airlines
17h 43mBOS-SJO
9/2Mon
1 stopCopa Airlines
18h 43mSJO-BOS
$309
11/5Tue
1 stopDelta
7h 53mBOS-SJO
11/9Sat
1 stopDelta
9h 56mSJO-BOS
$314
11/4Mon
1 stopDelta
22h 48mBOS-SJO
11/11Mon
1 stopDelta
18h 17mSJO-BOS
$322

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Recent one-way flight deals

9/10Tue
1 stopSpirit Airlines
7h 23mBOS-SJO
$97
9/4Wed
1 stopSpirit Airlines
7h 23mBOS-SJO
$100
9/10Tue
2 stops
24h 57mBOS-SJO
$120
9/6Fri
1 stopJetBlue
11h 45mBOS-SJO
$141
7/29Mon
1 stopJetBlue
9h 17mBOS-SJO
$146
10/25Fri
2 stops
32h 16mBOS-SJO
$150
8/19Mon
1 stopAmerican Airlines
8h 20mBOS-SJO
$154
8/16Fri
1 stopAmerican Airlines
8h 20mBOS-SJO
$157
11/3Sun
2 stopsUnited Airlines
25h 25mBOS-SJO
$190
7/27Sat
2 stopsUnited Airlines
17h 39mBOS-LIR
$346

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Last minute flights from Maine to Costa Rica

Last minute flight, train and bus deals

6/15Sat
multi-stopJetBlue
12h 12mBOS-SJO
6/21Fri
multi-stopJetBlue
10h 53mSJO-BOS
$464
6/14Fri
multi-stopSpirit Airlines
23h 19mBOS-SJO
6/17Mon
multi-stopSpirit Airlines
23h 55mSJO-BOS
$476
6/15Sat
multi-stop
19h 07mBOS-SJO
6/21Fri
multi-stop
17h 27mSJO-BOS
$483
6/11Tue
multi-stop
20h 47mBOS-SJO
6/14Fri
multi-stop
17h 27mSJO-BOS
$529
6/11Tue
multi-stopAmerican Airlines
12h 51mBOS-SJO
6/15Sat
multi-stopAmerican Airlines
14h 22mSJO-BOS
$589
6/15Sat
multi-stopAmerican Airlines
21h 08mBOS-SJO
6/23Sun
multi-stopAmerican Airlines
18h 04mSJO-BOS
$610
6/15Sat
multi-stopAvianca
8h 25mBOS-SJO
6/25Tue
multi-stopAvianca
10h 24mSJO-BOS
$790
6/12Wed
multi-stopAvianca
8h 25mBOS-SJO
6/18Tue
multi-stopAvianca
10h 21mSJO-BOS
$865
6/13Thu
multi-stopUnited Airlines
10h 40mBOS-LIR
6/18Tue
multi-stopUnited Airlines
19h 03mLIR-BOS
$951
6/13Thu
multi-stopUnited Airlines
10h 25mBOS-LIR
6/18Tue
multi-stopUnited Airlines
19h 03mLIR-BOS
$955

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Flights to Costa Rica

Return flight deals:

Costa Rica - Maine

Cabin classes: