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$300+ Cheap flights from Idaho Falls (IDA) to Costa Rica

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SJO
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 September 15, 2025.

Round-trip from

$529
(United Airlines)

One-way from

$300
(United Airlines)
From Idaho Falls Fanning Field to Costa Rica
Search Deals
One-way flight from Idaho Falls Fanning Field to Costa Rica
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Find flight deals from Idaho Falls to Costa Rica

Best flights from Idaho Falls to Costa Rica
Discover carefully curated flight deals from Idaho Falls to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/13. 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 3/24:31 pmIDA - SJO
3 stops27h 08mUnited Airlines
Thu 3/52:05 pmSJO - IDA
2 stops20h 23mUnited Airlines
Deal found 9/13$529
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 3/28:00 amIDA - SJO
2 stops14h 00mAlaska Airlines
Wed 3/42:26 amSJO - IDA
2 stops21h 12mAlaska Airlines
Deal found 9/13$550
This American Airlines deal was found by Cheapflights users on 9/13. 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 3/28:19 amIDA - SJO
2 stops37h 41mAmerican Airlines
Thu 3/52:49 pmSJO - IDA
1 stop22h 36mAmerican Airlines
Deal found 9/13$713

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 September 15, 2025.
Use the filters below to find and compare flights from Idaho Falls to Costa Rica that are best for you.

Fly from

Idaho Falls

Fly to

Costa Rica

Route

Depart

Return

Price

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Mon 3/2

4:31 pm-8:39 pm

3 stops27h 08m

San José Juan Santamaria Intl

Thu 3/5

2:05 pm-9:28 am

2 stops20h 23m

$529

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Mon 3/2

8:00 am-11:00 pm

2 stops14h 00m

San José Juan Santamaria Intl

Wed 3/4

2:26 am-10:38 pm

2 stops21h 12m

$550

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Mon 3/2

8:19 am-11:00 pm

2 stops37h 41m

San José Juan Santamaria Intl

Thu 3/5

2:49 pm-12:25 pm

1 stop22h 36m

$713

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Mon 9/29

5:56 pm-12:26 pm

2 stops18h 30m

$300

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Tue 9/30

2:35 pm-7:37 pm

2 stops29h 02m

$306

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Sat 9/27

7:00 am-12:26 pm

2 stops29h 26m

$386

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Tue 9/30

3:57 pm-6:45 pm

3 stops26h 48m

$438

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Sat 9/27

3:57 pm-6:45 pm

3 stops26h 48m

$624

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Mon 9/29

1:35 pm-6:11 pm

1 stop28h 36m

$777

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Tue 9/30

1:35 pm-5:57 pm

1 stop28h 22m

$777

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 11 results
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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

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

Currently, September is the cheapest month in which you can book a flight from Idaho Falls to Costa Rica (average of $398). Flying from Idaho Falls to Costa Rica in March is currently the most expensive (average of $554). 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 IDA to CR?

Find hourly flight availability from Idaho Falls to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Idaho Falls to Costa Rica, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 15, 2025.
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
8,929 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 14h. Fly via United Airlines or Alaska Airlines to get the fastest option. Airlines will cover a distance of 2854 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

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

    Currently, September is the cheapest month in which you can book a flight from Idaho Falls to Costa Rica (average of $398). Flying from Idaho Falls to Costa Rica in March is currently the most expensive (average of $554). 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 Idaho Falls to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$612Average$962FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$627Average$868FlexibilityNo cancel feeOn-time71%

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