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Find cheap flights from Maine to Costa Rica from $99

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 8/14. 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
Sat 6/29
Sat 7/6

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In the last 7 days travelers have searched 42,686,544 times on KAYAK, and here is why:

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Good to know

Low season

September

High season

December

Cheapest flight

$99
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 27% 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

8/28Wed
1 stopSpirit Airlines
7h 22mBOS-SJO
9/11Wed
1 stopSpirit Airlines
10h 11mSJO-BOS
$208
9/17Tue
1 stopSpirit Airlines
7h 22mBOS-SJO
9/24Tue
1 stopSpirit Airlines
10h 11mSJO-BOS
$210
6/18Tue
1 stop
7h 27mBOS-SJO
6/23Sun
1 stop
17h 45mSJO-BOS
$271
10/1Tue
1 stop
7h 22mBOS-SJO
10/13Sun
2 stops
20h 35mSJO-BOS
$281
11/14Thu
1 stopCopa Airlines
18h 25mBOS-SJO
11/18Mon
1 stopCopa Airlines
8h 55mSJO-BOS
$302
10/1Tue
1 stopCopa Airlines
17h 59mBOS-SJO
10/13Sun
1 stopCopa Airlines
18h 43mSJO-BOS
$323
8/14Wed
2 stopsAmerican Airlines
12h 53mBOS-SJO
8/20Tue
2 stopsAmerican Airlines
16h 01mSJO-BOS
$324
8/23Fri
1 stopJetBlue
12h 26mBOS-SJO
8/30Fri
1 stopJetBlue
9h 34mSJO-BOS
$330
9/1Sun
2 stopsAmerican Airlines
19h 43mBOS-SJO
9/10Tue
2 stopsAmerican Airlines
21h 04mSJO-BOS
$335
7/9Tue
1 stopJetBlue
6h 52mBOS-SJO
7/14Sun
1 stopJetBlue
10h 55mSJO-BOS
$362

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Recent one-way flight deals

8/14Wed
1 stopSpirit Airlines
8h 40mBOS-SJO
$99
6/18Tue
1 stopSpirit Airlines
7h 27mBOS-SJO
$102
8/17Sat
1 stopJetBlue
12h 26mBOS-SJO
$138
8/19Mon
1 stopAmerican Airlines
8h 20mBOS-SJO
$153
8/19Mon
2 stopsAmerican Airlines
12h 55mBOS-SJO
$154
11/14Thu
1 stopCopa Airlines
18h 25mBOS-SJO
$156
6/24Mon
2 stops
25h 23mBOS-SJO
$171
7/9Tue
1 stopJetBlue
6h 52mBOS-SJO
$186
10/9Wed
1 stopCopa Airlines
12h 23mBOS-SJO
$201
6/6Thu
3 stops
21h 59mBOS-SJO
$204

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Last minute flights from Maine to Costa Rica

Last minute flight, train and bus deals

6/3Mon
multi-stop
8h 25mBOS-SJO
6/10Mon
multi-stop
28h 28mSJO-BOS
$386
6/3Mon
multi-stopSpirit Airlines
13h 02mBOS-SJO
6/10Mon
multi-stopSpirit Airlines
22h 26mSJO-BOS
$390
6/3Mon
multi-stop
8h 25mBOS-SJO
6/9Sun
multi-stop
35h 26mSJO-BOS
$399
6/2Sun
multi-stopSpirit Airlines
13h 02mBOS-SJO
6/5Wed
multi-stopSpirit Airlines
20h 45mSJO-BOS
$417
6/3Mon
multi-stopSpirit Airlines
13h 02mBOS-SJO
6/10Mon
multi-stopSpirit Airlines
34h 49mSJO-BOS
$425
6/3Mon
multi-stop
8h 25mBOS-SJO
6/9Sun
multi-stop
17h 21mSJO-BOS
$428
6/4Tue
multi-stopUnited Airlines
7h 38mBOS-SJO
6/8Sat
multi-stopUnited Airlines
16h 24mSJO-BOS
$469
6/1Sat
multi-stopAvianca
11h 15mBOS-SJO
6/5Wed
multi-stopAvianca
8h 20mSJO-BOS
$685
6/1Sat
multi-stopAvianca
11h 15mBOS-SJO
6/4Tue
multi-stopAvianca
10h 21mSJO-BOS
$710
6/2Sun
multi-stopAlaska Airlines
28h 30mBOS-SJO
6/4Tue
multi-stopAlaska Airlines
21h 26mSJO-BOS
$1,846

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Flights to Costa Rica

Return flight deals:

Costa Rica - Maine

Cabin classes: