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SJO

Find cheap flights from Idaho to San José from $93

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to San José departing on 3/26. 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 3/29
Fri 4/5

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Good to know

Low season

October

High season

March

Cheapest flight

$93
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly with an average 10% increase in price.
Flight from Boise to San José

FAQs for booking flights from Idaho to San José

  • How does KAYAK find such low prices on flights from Idaho to San José?

    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 San José.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San José 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 San José?

    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 San José 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 San José?

    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 San José from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Idaho to San José?

Find which airlines fly direct from Idaho to Juan Santamaria Intl, which days they fly and book direct flights.

Nonstop departures

Idaho to San José Juan Santamaria Intl

Monday

Aeromexico, Air Canada, Air Europa, +26 more

Aeromexico, Air Canada, +27 more

Tuesday

Aeromexico, Air Canada, Air Europa, +25 more

Aeromexico, Air Canada, +26 more

Wednesday

Aeromexico, Air Canada, Air Europa, +26 more

Aeromexico, Air Canada, +27 more

Thursday

Aeromexico, Air Canada, Air Europa, +23 more

Aeromexico, Air Canada, +24 more

Friday

Aeromexico, Air Canada, Air Europa, +26 more

Aeromexico, Air Canada, +27 more

Saturday

Aeromexico, Air Canada, Air Europa, +25 more

Aeromexico, Air Canada, +26 more

Sunday

Aeromexico, Air Canada, Air Europa, +22 more

Aeromexico, Air Canada, +23 more

See more direct flights

Nonstop returns

San José Juan Santamaria Intl to Idaho

Monday

Aeromexico, Air Canada, Air Europa, +26 more

Aeromexico, Air Canada, +27 more

Tuesday

Aeromexico, Air Canada, Air Europa, +25 more

Aeromexico, Air Canada, +26 more

Wednesday

Aeromexico, Air Canada, Air Europa, +26 more

Aeromexico, Air Canada, +27 more

Thursday

Aeromexico, Air Canada, Air Europa, +23 more

Aeromexico, Air Canada, +24 more

Friday

Aeromexico, Air Canada, Air Europa, +26 more

Aeromexico, Air Canada, +27 more

Saturday

Aeromexico, Air Canada, Air Europa, +25 more

Aeromexico, Air Canada, +26 more

Sunday

Aeromexico, Air Canada, Air Europa, +22 more

Aeromexico, Air Canada, +23 more

See more direct flights
See more direct flights

Book cheap flights from Idaho to San José

Recent round-trip flight deals

4/8Mon
2 stopsSpirit Airlines
13h 10mBOI-SJO
4/15Mon
2 stopsSpirit Airlines
34h 25mSJO-BOI
$296
5/8Wed
2 stopsSpirit Airlines
15h 05mBOI-SJO
5/14Tue
2 stopsSpirit Airlines
31h 06mSJO-BOI
$307
4/16Tue
1 stopAmerican Airlines
15h 59mBOI-SJO
4/23Tue
2 stopsAmerican Airlines
24h 27mSJO-BOI
$411
4/14Sun
2 stopsDelta
28h 22mSUN-SJO
4/18Thu
2 stopsDelta
47h 35mSJO-SUN
$421
4/16Tue
1 stopAmerican Airlines
15h 59mBOI-SJO
4/23Tue
2 stopsAmerican Airlines
24h 27mSJO-BOI
$427
4/8Mon
2 stops
13h 10mBOI-SJO
4/14Sun
1 stop
23h 09mSJO-BOI
$446
4/16Tue
1 stopAlaska Airlines
26h 16mBOI-SJO
4/22Mon
2 stopsAlaska Airlines
22h 19mSJO-BOI
$469
4/13Sat
1 stopAlaska Airlines
12h 00mGEG-SJO
4/21Sun
1 stopAlaska Airlines
22h 39mSJO-GEG
$492
4/14Sun
2 stopsDelta
22h 17mSUN-SJO
4/18Thu
2 stopsDelta
47h 35mSJO-SUN
$512
5/5Sun
2 stops
11h 15mBOI-SJO
5/18Sat
1 stop
21h 28mSJO-BOI
$550

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Recent one-way flight deals

3/26Tue
2 stopsSpirit Airlines
13h 30mBOI-SJO
$93
4/3Wed
2 stopsSpirit Airlines
13h 00mBOI-SJO
$106
3/11Mon
2 stopsSpirit Airlines
13h 10mBOI-SJO
$134
3/11Mon
3 stops
26h 34mBOI-SJO
$192
3/10Sun
3 stops
33h 50mBOI-SJO
$194
3/26Tue
1 stopAmerican Airlines
15h 34mBOI-SJO
$264
3/9Sat
2 stopsDelta
18h 25mBOI-SJO
$285
6/15Sat
2 stopsAmerican Airlines
20h 35mGEG-SJO
$306
3/8Fri
1 stopDelta
22h 40mBOI-SJO
$395
6/15Sat
3 stopsUnited Airlines
16h 29mGEG-SJO
$2,334

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Last minute flights from Idaho to San José

Last minute flight, train and bus deals

3/3Sun
multi-stopUnited Airlines
29h 13mGEG-SJO
3/10Sun
multi-stopUnited Airlines
29h 56mSJO-GEG
$752
3/3Sun
multi-stopAmerican Airlines
15h 48mGEG-SJO
3/10Sun
multi-stopAmerican Airlines
32h 19mSJO-GEG
$798
3/3Sun
multi-stopAmerican Airlines
31h 28mGEG-SJO
3/15Fri
multi-stopAmerican Airlines
32h 57mSJO-GEG
$879
3/3Sun
multi-stopAmerican Airlines
17h 46mGEG-SJO
3/15Fri
multi-stopAmerican Airlines
32h 57mSJO-GEG
$880
3/3Sun
multi-stopUnited Airlines
21h 30mGEG-SJO
3/16Sat
multi-stopUnited Airlines
36h 27mSJO-GEG
$929
3/3Sun
multi-stopAlaska Airlines
46h 29mGEG-SJO
3/9Sat
multi-stopAlaska Airlines
18h 26mSJO-GEG
$1,093
3/3Sun
multi-stopAlaska Airlines
10h 59mGEG-SJO
3/9Sat
multi-stopAlaska Airlines
20h 35mSJO-GEG
$1,188
3/3Sun
multi-stop
24h 40mGEG-SJO
3/14Thu
multi-stop
22h 42mSJO-GEG
$1,523
2/29Thu
multi-stopDelta
22h 15mTWF-SJO
3/11Mon
multi-stopDelta
14h 39mSJO-TWF
$1,688
3/3Sun
multi-stop
37h 00mGEG-SJO
3/15Fri
multi-stop
32h 57mSJO-GEG
$3,799

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Flights to San José

Destination:

San José (SJO)Costa Rica

Return flight deals:

San José - Idaho

Cabin classes: