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Costa Rica

$480+ Cheap flights from Idaho Falls (IDA) to Costa Rica

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SJO
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
1 adult, Economy
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Cheap flight deals from Idaho Falls to Costa Rica

Cheapest flights from Idaho Falls to Costa Rica
Explore the most affordable flight options available from Idaho Falls to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 19, 2026.

This Alaska Airlines deal was found by Cheapflights users on 3/14. 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 5/44:06 pm
IDA
-
SJO
2 stops31h 39m
Alaska Airlines
Wed 5/612:55 am
SJO
-
IDA
2 stops14h 34m
Alaska Airlines
Deal found 3/14$480
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Mon 4/135:20 pm
IDA
-
SJO
2 stops16h 51m
United Airlines
Mon 4/207:55 am
SJO
-
IDA
2 stops25h 58m
United Airlines
Deal found 3/14$488
This American Airlines deal was found by Cheapflights users on 3/18. 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.
Mon 3/302:18 pm
IDA
-
SJO
2 stops22h 56m
American Airlines
Fri 4/31:16 pm
SJO
-
IDA
2 stops24h 32m
American Airlines
Deal found 3/18$505
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Mon 5/45:26 pm
IDA
-
SJO
2 stops18h 55m
United Airlines
Thu 5/71:25 pm
SJO
-
IDA
2 stops20h 30m
United Airlines
Deal found 3/18$515
This American Airlines deal was found by Cheapflights users on 3/14. 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 4/227:48 am
IDA
-
SJO
2 stops27h 19m
American Airlines
Fri 5/111:35 pm
SJO
-
IDA
2 stops24h 04m
American Airlines
Deal found 3/14$552
This United Airlines deal was found by Cheapflights users on 3/15. 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.
Mon 3/302:30 pm
IDA
-
SJO
2 stops19h 41m
United Airlines
Fri 4/31:25 pm
SJO
-
IDA
2 stops20h 28m
United Airlines
Deal found 3/15$585
This KAYAK deal was found by Cheapflights users on 3/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/12:18 pm
IDA
-
SJO
2 stops19h 07m
GOL
Thu 4/2311:35 pm
SJO
-
IDA
1 stop13h 38m
GOL
Deal found 3/18$589

Find flight deals from Idaho Falls to Costa Rica

Keep the following information in mind while searching for Idaho Falls to Costa Rica flight deals. Data was last updated March 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$480
(Alaska Airlines)
Provider with most accurate pricing for Idaho Falls Fanning Field-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-San José Juan Santamaria Intl flights.
Search Deals
From Idaho Falls Fanning Field to Costa Rica
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Costa Rica 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 March 19, 2026.
Use the filters below to find and compare flights from Idaho Falls to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Mon 4/13

5:20 pm-10:11 am

2 stops16h 51m

San José Juan Santamaria Intl

Mon 4/20

7:55 am-9:53 am

2 stops25h 58m

$488
Quickest round-trip

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Mon 5/4

5:26 pm-12:21 pm

2 stops18h 55m

San José Juan Santamaria Intl

Thu 5/7

1:25 pm-9:55 am

2 stops20h 30m

$515

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Mon 3/30

2:18 pm-1:55 pm

1 stop23h 37m

San José Juan Santamaria Intl

Fri 4/3

1:16 pm-1:48 pm

2 stops24h 32m

$546

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Mon 3/30

2:30 pm-10:11 am

2 stops19h 41m

San José Juan Santamaria Intl

Fri 4/3

1:25 pm-9:53 am

2 stops20h 28m

$585

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Sorted by cheapest first

Best time to book a flight from Idaho Falls to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Idaho Falls 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 Idaho Falls to Costa Rica
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. 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 Costa Rica. Reviews last updated March 19, 2026.
Read through reviews of airlines operating flights from Idaho Falls to Costa Rica, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,439 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,439 reviews
United Airlines
7.4
Good
9,439 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,472 reviews
United Airlines
7.4
Good
9,439 reviews

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

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

  • What airport do you fly from for flights from Idaho Falls to Costa Rica?

    If you book a flight to Costa Rica from Idaho Falls, you will be flying from Fanning Field, which is the city’s only airport. Idaho Falls Fanning Field (IDA) is located 3.8 mi from the center of Idaho Falls.

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

    There are many flights that can get you from Idaho Falls to Costa Rica in 16h 51m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 2854 mi.

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

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

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

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

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

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

See more FAQs

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Top 2 airlines flying from Idaho Falls to Costa Rica

Discover the top 2 airlines that operate flights from Idaho Falls to Costa Rica. 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 March 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$522Average$861FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$569Average$906FlexibilityNo cancel feeOn-time71%

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