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Idaho

$430+ Cheap flights from Costa Rica to Idaho

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BOI
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from Costa Rica to Idaho

Cheapest flights from Costa Rica to Idaho
Explore the most affordable flight options available from Costa Rica to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:30 amSJO - GEG
2 stops16h 28mUnited Airlines
Thu 1/16:00 amGEG - SJO
1 stop24h 32mUnited Airlines
Deal found 11/2$477
This Alaska Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:30 amSJO - GEG
2 stops23h 40mAlaska Airlines
Thu 1/15:00 amGEG - SJO
2 stops16h 59mAlaska Airlines
Deal found 11/2$664
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:34 amSJO - GEG
1 stop20h 01mAmerican Airlines
Thu 1/15:28 amGEG - SJO
1 stop15h 17mAmerican Airlines
Deal found 11/2$707
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:23 pmSJO - IDA
2 stops25h 04mAmerican Airlines
Wed 12/101:58 pmIDA - SJO
2 stops23h 04mAmerican Airlines
Deal found 11/1$730
This Expedia deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:30 amSJO - GEG
2 stops16h 07mMultiple Airlines
Thu 1/15:00 amGEG - SJO
3 stops16h 15mMultiple Airlines
Deal found 11/2$1,210
This Alaska Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/11:30 amSJO - IDA
2 stops39h 57mAlaska Airlines
Wed 12/105:07 pmIDA - SJO
2 stops29h 41mAlaska Airlines
Deal found 11/1$1,243

Cheap flight deals from Costa Rica to Idaho

Keep the following information in mind while searching for Costa Rica to Idaho flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$430
(United Airlines)

Popular in

November

Cheapest in

July

Average price

$711
Provider with most accurate pricing for San José Juan Santamaria Intl-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Boise Air Term. Gowen Fld flights.
Search Deals
From Costa Rica to Idaho
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Costa Rica to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Costa Rica to Idaho that are best for you.

Fly from

Costa Rica

Fly to

Idaho

Route

Depart

Return

Price

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Tue 3/17

5:30 am-1:34 pm

2 stops32h 04m

Idaho Falls Fanning Field

Tue 3/24

2:35 pm-12:15 pm

2 stops21h 40m

$430

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Thu 12/25

6:30 am-8:58 pm

2 stops16h 28m

Spokane

Thu 1/1

6:00 am-8:32 am

1 stop24h 32m

$477

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Mon 3/16

12:01 am-9:57 pm

2 stops21h 56m

Idaho Falls Fanning Field

Tue 3/24

8:23 am-9:55 pm

2 stops13h 32m

$497

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Wed 12/24

1:30 am-11:10 pm

2 stops23h 40m

Spokane

Thu 1/1

5:00 am-11:59 pm

2 stops16h 59m

$664

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Wed 12/24

12:34 am-6:35 pm

1 stop20h 01m

Spokane

Thu 1/1

5:28 am-10:45 pm

1 stop15h 17m

$707

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Sun 1/11

6:30 am-10:44 am

2 stops30h 14m

Spokane

Wed 2/11

4:10 pm-8:39 pm

2 stops26h 29m

$721

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Tue 12/2

1:23 pm-1:27 pm

2 stops25h 04m

Idaho Falls Fanning Field

Wed 12/10

1:58 pm-2:02 pm

2 stops23h 04m

$730

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Sat 1/10

1:16 am-12:23 am

2 stops25h 07m

Spokane

Wed 2/11

12:10 pm-9:35 am

2 stops19h 25m

$835

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Tue 3/17

6:00 am-10:38 pm

3 stops16h 38m

Idaho Falls Fanning Field

Tue 3/24

4:00 pm-11:42 pm

2 stops31h 42m

$868

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Sat 1/10

1:16 am-10:30 pm

1 stop23h 14m

Spokane

Wed 2/11

6:50 am-12:01 am

1 stop15h 11m

$1,126

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 12 results
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Best time to book a flight from Costa Rica to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Costa Rica with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Costa Rica to Idaho

What is the cheapest month to book a flight from Costa Rica to Idaho?

Currently, August is the cheapest month in which you can book a flight from Costa Rica to Idaho (average of $281). Flying from Costa Rica to Idaho in February is currently the most expensive (average of $566). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CR to ID?

Find hourly flight availability from Costa Rica to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

It’s optimal to fly from Costa Rica to Idaho in the afternoon. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the morning.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated November 3, 2025.
Get a feel of what it's like to fly with United Airlines from Costa Rica to Idaho by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,997 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,997 reviews
United Airlines
7.4
Good
8,997 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Costa Rica to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Costa Rica to Idaho?

    There are many flights that can get you from Costa Rica to Idaho in 21h 56m. Fly via United Airlines, American Airlines, or Alaska Airlines to get the fastest option. The distance between Costa Rica and Idaho is about 2854 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Costa Rica to Idaho that include hotel bookings?

    Yes. In addition to deals on Costa Rica to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Costa Rica to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Costa Rica to Idaho.

  • Can I find deals for business class flights from Costa Rica to Idaho?

    Yes. Cheapflights offers flight deals from Costa Rica to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Costa Rica to Idaho?

    Currently, August is the cheapest month in which you can book a flight from Costa Rica to Idaho (average of $281). Flying from Costa Rica to Idaho in February is currently the most expensive (average of $566). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Costa Rica to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Costa Rica to Idaho

Discover the top airline that operate flights from Costa Rica to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$311Average$396FlexibilityNo cancel feeOn-time69%

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