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Find cheap flights from Maine to Costa Rica from $92

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 9/11. 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
Fri 7/5
Fri 7/12

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Good to know

Low season

September

High season

December

Cheapest flight

$92
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

9/10Tue
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
11/14Thu
1 stopCopa Airlines
18h 39mBOS-SJO
11/17Sun
1 stopCopa Airlines
13h 07mSJO-BOS
$302
11/5Tue
1 stopDelta
7h 53mBOS-SJO
11/11Mon
1 stopDelta
18h 17mSJO-BOS
$314
11/4Mon
1 stopDelta
22h 48mBOS-SJO
11/11Mon
1 stopDelta
18h 17mSJO-BOS
$322
9/8Sun
1 stopJetBlue
10h 45mBOS-SJO
9/17Tue
1 stopJetBlue
8h 37mSJO-BOS
$327
9/11Wed
2 stopsAmerican Airlines
17h 30mBOS-SJO
9/18Wed
2 stopsAmerican Airlines
16h 56mSJO-BOS
$329
9/8Sun
1 stopJetBlue
9h 34mBOS-SJO
9/19Thu
1 stopJetBlue
9h 39mSJO-BOS
$331
11/4Mon
1 stopCopa Airlines
18h 06mBOS-SJO
11/15Fri
1 stopCopa Airlines
8h 31mSJO-BOS
$368

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Recent one-way flight deals

9/11Wed
2 stopsSpirit Airlines
17h 02mBOS-SJO
$92
9/11Wed
3 stopsSpirit Airlines
32h 47mBOS-SJO
$106
8/19Mon
1 stopAmerican Airlines
15h 12mBOS-SJO
$154
10/9Wed
1 stopCopa Airlines
8h 28mBOS-SJO
$156
7/2Tue
1 stop
10h 13mPWM-SJO
$162
6/17Mon
1 stop
29h 29mBOS-SJO
$169
8/16Fri
2 stopsAmerican Airlines
17h 08mBOS-SJO
$175
11/3Sun
1 stopJetBlue
7h 38mBOS-SJO
$186
6/19Wed
1 stopJetBlue
14h 11mPWM-SJO
$220
6/12Wed
1 stopCopa Airlines
18h 25mBOS-SJO
$530

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Last minute flights from Maine to Costa Rica

Last minute flight, train and bus deals

6/8Sat
multi-stopSpirit Airlines
17h 28mBOS-SJO
7/9Tue
multi-stopSpirit Airlines
18h 45mSJO-BOS
$410
6/8Sat
multi-stopSpirit Airlines
17h 28mBOS-SJO
7/8Mon
multi-stopSpirit Airlines
11h 50mSJO-BOS
$426
6/8Sat
multi-stopSpirit Airlines
17h 28mBOS-SJO
7/8Mon
multi-stopSpirit Airlines
20h 09mSJO-BOS
$427
6/8Sat
multi-stopSpirit Airlines
26h 38mBOS-SJO
7/8Mon
multi-stopSpirit Airlines
15h 48mSJO-BOS
$434
6/8Sat
multi-stop
29h 57mBOS-SJO
6/10Mon
multi-stop
23h 55mSJO-BOS
$479
6/8Sat
multi-stop
29h 57mBOS-SJO
6/10Mon
multi-stop
33h 39mSJO-BOS
$491
6/7Fri
multi-stopUnited Airlines
11h 54mBOS-SJO
6/12Wed
multi-stopUnited Airlines
8h 13mSJO-BOS
$530
6/10Mon
multi-stopJetBlue
14h 53mBOS-SJO
6/24Mon
multi-stopJetBlue
10h 53mSJO-BOS
$549
6/8Sat
multi-stopAmerican Airlines
14h 00mBOS-SJO
7/9Tue
multi-stopAmerican Airlines
10h 09mSJO-BOS
$588
6/7Fri
multi-stopAmerican Airlines
10h 47mBOS-SJO
6/12Wed
multi-stopAmerican Airlines
9h 59mSJO-BOS
$589

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Flights to Costa Rica

Return flight deals:

Costa Rica - Maine

Cabin classes: