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Find cheap flights from Idaho to Costa Rica from $169

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 7/24. 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
Thu 6/27
Thu 7/4

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In the last 7 days travelers have searched 42,816,550 times on KAYAK, and here is why:

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Good to know

Low season

September

High season

December

Cheapest flight

$169
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 Boise to San José

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

8/11Sun
2 stopsDelta
19h 21mGEG-SJO
8/27Tue
2 stopsDelta
20h 56mSJO-GEG
$358
8/12Mon
1 stopAmerican Airlines
13h 51mGEG-LIR
8/30Fri
1 stopAmerican Airlines
31h 30mLIR-GEG
$361
10/28Mon
1 stopUnited Airlines
9h 08mGEG-LIR
11/1Fri
1 stopUnited Airlines
9h 46mLIR-GEG
$453
11/1Fri
2 stopsUnited Airlines
45h 25mBOI-LIR
11/15Fri
1 stopUnited Airlines
9h 32mLIR-BOI
$492
7/19Fri
2 stopsAeromexico
27h 14mGEG-SJO
8/13Tue
2 stopsAeromexico
39h 46mSJO-GEG
$531
8/9Fri
2 stopsAeromexico
21h 40mGEG-SJO
9/2Mon
2 stopsAeromexico
34h 12mSJO-GEG
$538
6/7Fri
2 stopsSpirit Airlines
28h 50mBOI-SJO
6/11Tue
2 stopsSpirit Airlines
43h 24mSJO-BOI
$563
6/8Sat
2 stopsSpirit Airlines
26h 56mBOI-SJO
6/14Fri
2 stopsSpirit Airlines
19h 24mSJO-BOI
$588
8/9Fri
1 stopAlaska Airlines
12h 30mGEG-LIR
8/27Tue
1 stopAlaska Airlines
13h 26mLIR-GEG
$707
8/9Fri
1 stopAlaska Airlines
12h 30mGEG-LIR
8/29Thu
1 stopAlaska Airlines
13h 26mLIR-GEG
$734

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Recent one-way flight deals

7/24Wed
2 stopsSpirit Airlines
22h 32mBOI-SJO
$169
8/12Mon
1 stopDelta
11h 44mGEG-SJO
$180
8/11Sun
2 stopsDelta
17h 05mGEG-SJO
$184
8/12Mon
2 stopsAmerican Airlines
21h 10mGEG-SJO
$212
7/23Tue
2 stopsAmerican Airlines
11h 09mBOI-SJO
$219
8/5Mon
2 stopsUnited Airlines
17h 01mGEG-SJO
$231
8/7Wed
1 stopAlaska Airlines
12h 00mGEG-SJO
$245
8/3Sat
2 stopsUnited Airlines
27h 14mGEG-SJO
$251
8/4Sun
3 stops
28h 19mGEG-SJO
$351
8/11Sun
3 stops
28h 24mGEG-SJO
$358

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Last minute flights from Idaho to Costa Rica

Last minute flight, train and bus deals

6/1Sat
multi-stopSpirit Airlines
15h 52mBOI-SJO
6/7Fri
multi-stopSpirit Airlines
19h 24mSJO-BOI
$539
5/31Fri
multi-stopSpirit Airlines
11h 31mBOI-SJO
6/3Mon
multi-stopSpirit Airlines
34h 49mSJO-BOI
$606
6/1Sat
multi-stopCopa Airlines
16h 27mBOI-SJO
6/8Sat
multi-stopCopa Airlines
27h 58mSJO-BOI
$619
5/31Fri
multi-stopSpirit Airlines
11h 31mBOI-SJO
6/2Sun
multi-stopSpirit Airlines
39h 31mSJO-BOI
$621
5/31Fri
multi-stopSpirit Airlines
11h 31mBOI-SJO
6/3Mon
multi-stopSpirit Airlines
27h 58mSJO-BOI
$624
5/31Fri
multi-stop
21h 52mBOI-SJO
6/2Sun
multi-stop
12h 02mSJO-BOI
$682
5/31Fri
multi-stopAmerican Airlines
16h 14mBOI-SJO
6/3Mon
multi-stopAmerican Airlines
15h 53mSJO-BOI
$742
5/31Fri
multi-stopAmerican Airlines
22h 06mBOI-SJO
6/3Mon
multi-stopAmerican Airlines
15h 53mSJO-BOI
$747
5/29Wed
multi-stopUnited Airlines
18h 51mBOI-SJO
6/6Thu
multi-stopUnited Airlines
16h 42mSJO-BOI
$1,222
6/1Sat
multi-stop
24h 15mBOI-SJO
6/8Sat
multi-stop
27h 22mSJO-BOI
$4,122

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Flights to Costa Rica

Return flight deals:

Costa Rica - Idaho

Cabin classes: