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Find cheap flights from Idaho to Costa Rica from $242

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Idaho to Costa Rica departing on 7/20. 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
sáb 7/6
sáb 7/13

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In the last 7 days travelers have searched 44,060,346 times on KAYAK, and here is why:

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Good to know

Low season

September

High season

December

Cheapest flight

$242
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 Boise to Liberia

FAQs for booking flights from Idaho to Costa Rica

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

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

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

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

Recent round-trip flight deals

10/15ter
2 stopsAmerican Airlines
27h 46mGEG-SJO
10/22ter
2 stopsAmerican Airlines
24h 00mSJO-GEG
$401
10/2qua
2 stopsAmerican Airlines
29h 42mGEG-SJO
10/9qua
2 stopsAmerican Airlines
31h 21mSJO-GEG
$407
10/31qui
2 stopsDelta
24h 53mBOI-SJO
11/7qui
2 stopsDelta
20h 39mSJO-BOI
$411
10/31qui
1 stopDelta
21h 03mBOI-SJO
11/7qui
1 stopDelta
24h 40mSJO-BOI
$416
11/8sex
2 stopsUnited Airlines
18h 34mBOI-SJO
11/15sex
2 stopsUnited Airlines
20h 40mSJO-BOI
$481
11/6qua
2 stopsUnited Airlines
45h 38mJAC-LIR
11/11seg
2 stopsUnited Airlines
26h 10mLIR-JAC
$493
7/3qua
3 stopsSpirit Airlines
26h 56mBOI-SJO
7/9ter
3 stopsSpirit Airlines
17h 33mSJO-BOI
$578
8/3sáb
2 stops
14h 19mBOI-SJO
8/14qua
2 stops
18h 29mSJO-BOI
$618
7/3qua
3 stops
26h 56mBOI-SJO
7/10qua
3 stops
22h 51mSJO-BOI
$626
8/5seg
2 stopsSpirit Airlines
11h 02mBOI-SJO
8/11dom
2 stopsSpirit Airlines
35h 18mSJO-BOI
$812

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Recent one-way flight deals

7/20sáb
1 stopUnited Airlines
10h 20mBOI-LIR
$242
7/20sáb
2 stopsUnited Airlines
16h 30mBOI-LIR
$251
7/19sex
2 stopsAmerican Airlines
34h 55mBOI-LIR
$339
7/19sex
1 stopAmerican Airlines
12h 09mBOI-LIR
$914

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Last minute flights from Idaho to Costa Rica

Last minute flight, train and bus deals

6/7sex
multi-stopCopa Airlines
14h 26mBOI-SJO
6/12qua
multi-stopCopa Airlines
27h 58mSJO-BOI
$539
6/10seg
multi-stopUnited Airlines
16h 29mGEG-SJO
6/16dom
multi-stopUnited Airlines
15h 22mSJO-GEG
$662
6/7sex
multi-stopAmerican Airlines
15h 30mBOI-SJO
6/12qua
multi-stopAmerican Airlines
15h 46mSJO-BOI
$662
6/10seg
multi-stopAmerican Airlines
13h 42mGEG-SJO
6/16dom
multi-stopAmerican Airlines
21h 36mSJO-GEG
$670
6/7sex
multi-stopAmerican Airlines
10h 49mBOI-SJO
6/12qua
multi-stopAmerican Airlines
11h 01mSJO-BOI
$706
6/10seg
multi-stop
28h 58mGEG-SJO
6/15sáb
multi-stop
17h 59mSJO-GEG
$786
6/10seg
multi-stop
28h 58mGEG-SJO
6/15sáb
multi-stop
17h 59mSJO-GEG
$857
6/10seg
multi-stop
23h 35mGEG-SJO
6/15sáb
multi-stop
17h 46mSJO-GEG
$1,113
6/7sex
multi-stopAlaska Airlines
12h 11mBOI-SJO
6/11ter
multi-stopAlaska Airlines
12h 02mSJO-BOI
$1,139
6/7sex
multi-stopAlaska Airlines
14h 20mBOI-SJO
6/11ter
multi-stopAlaska Airlines
16h 02mSJO-BOI
$1,144

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Flights to Costa Rica

Return flight deals:

Costa Rica - Idaho

Cabin classes: