$542+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SJO
May 16 — May 231
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Best
Last-minute
Cheapest flights from Idaho Falls to Costa RicaExplore 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 April 16, 2026.
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 April 16, 2026.
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Tue 5/125:26 pm
IDA
- SJO
2 stops50h 11m
United Airlines
Sat 5/166:00 am
SJO
- IDA
2 stops27h 55m
United Airlines
Deal found 4/15![United Airlines logo]()
$542
This United Airlines deal was found by Cheapflights users on 4/12. 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.
Sat 10/175:57 pm
IDA
- SJO
2 stops18h 29m
United Airlines
Tue 10/201:30 pm
SJO
- IDA
2 stops27h 52m
United Airlines
Deal found 4/12![United Airlines logo]()
$545
This American Airlines deal was found by Cheapflights users on 4/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/52:14 pm
IDA
- SJO
1 stop8h 28m
American Airlines
Sun 6/1411:59 pm
SJO
- IDA
1 stop12h 15m
American Airlines
Deal found 4/15![American Airlines logo]()
$650
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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.
Tue 5/126:00 am
IDA
- SJO
2 stops41h 33m
Alaska Airlines
Fri 5/1512:53 am
SJO
- IDA
2 stops22h 00m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$663
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Wed 6/35:54 pm
IDA
- SJO
2 stops16h 17m
United Airlines
Mon 6/1512:30 am
SJO
- IDA
2 stops12h 55m
United Airlines
Deal found 4/15![United Airlines logo]()
$694
This American Airlines deal was found by Cheapflights users on 4/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/32:14 pm
IDA
- SJO
2 stops22h 55m
American Airlines
Mon 6/1512:50 pm
SJO
- IDA
2 stops23h 24m
American Airlines
Deal found 4/15![American Airlines logo]()
$705
This American Airlines deal was found by Cheapflights users on 4/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/32:14 pm
IDA
- SJO
2 stops22h 55m
American Airlines
Sun 6/1411:59 pm
SJO
- IDA
1 stop12h 15m
American Airlines
Deal found 4/15![American Airlines logo]()
$710
This American Airlines deal was found by Cheapflights users on 4/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:00 am
IDA
- SJO
1 stop15h 42m
American Airlines
Thu 6/1811:59 pm
SJO
- IDA
1 stop12h 15m
American Airlines
Deal found 4/15![American Airlines logo]()
$724
Best flights from Idaho Falls to Costa RicaDiscover 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 April 16, 2026.
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 April 16, 2026.
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Tue 5/125:26 pm
IDA
- SJO
2 stops50h 11m
United Airlines
Sat 5/166:00 am
SJO
- IDA
2 stops27h 55m
United Airlines
Deal found 4/15![United Airlines logo]()
$542
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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.
Tue 5/126:00 am
IDA
- SJO
2 stops41h 33m
Alaska Airlines
Fri 5/1512:53 am
SJO
- IDA
2 stops22h 00m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$663
This American Airlines deal was found by Cheapflights users on 4/11. 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.
Fri 6/197:00 am
IDA
- SJO
1 stop15h 42m
American Airlines
Sat 6/2711:59 pm
SJO
- IDA
1 stop12h 15m
American Airlines
Deal found 4/11![American Airlines logo]()
$788
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Wed 6/35:54 pm
IDA
- SJO
2 stops16h 17m
United Airlines
Thu 6/181:25 pm
SJO
- IDA
2 stops24h 00m
United Airlines
Deal found 4/15![United Airlines logo]()
$766
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:00 am
IDA
- SJO
2 stops17h 33m
Alaska Airlines
Thu 6/111:06 am
SJO
- IDA
2 stops36h 00m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$808
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Tue 6/94:10 pm
IDA
- SJO
2 stops18h 01m
United Airlines
Mon 6/1511:13 am
SJO
- IDA
2 stops22h 37m
United Airlines
Deal found 4/15![United Airlines logo]()
$785
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Fri 6/192:30 pm
IDA
- SJO
2 stops19h 41m
United Airlines
Sat 6/276:00 am
SJO
- IDA
2 stops27h 50m
United Airlines
Deal found 4/14![United Airlines logo]()
$785
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/76:00 am
IDA
- SJO
2 stops17h 33m
Alaska Airlines
Thu 6/111:06 am
SJO
- IDA
2 stops36h 00m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$903
Last-minute flights from Idaho Falls to Costa RicaDiscover last-minute flight deals from Idaho Falls to Costa Rica. Data last updated April 16, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to Costa Rica. Data last updated April 16, 2026 and is based on user searches.
This deal was found by Cheapflights users on 4/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/191:43 pm
IDA
- SJO
1 stop7h 53m
American Airlines
Wed 5/611:35 pm
SJO
- IDA
1 stop13h 38m
American Airlines
Deal found 4/11![American Airlines logo]()
$957
This deal was found by Cheapflights users on 4/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/191:43 pm
IDA
- SJO
1 stop7h 53m
American Airlines
Sun 5/311:35 pm
SJO
- IDA
1 stop13h 38m
American Airlines
Deal found 4/11![American Airlines logo]()
$962
This deal was found by Cheapflights users on 4/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/191:43 pm
IDA
- SJO
1 stop7h 53m
American Airlines
Sat 5/211:35 pm
SJO
- IDA
1 stop13h 38m
American Airlines
Deal found 4/11![American Airlines logo]()
$1,098
This deal was found by Cheapflights users on 4/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/191:43 pm
IDA
- SJO
1 stop7h 53m
American Airlines
Thu 4/3011:35 pm
SJO
- IDA
1 stop13h 38m
American Airlines
Deal found 4/11![American Airlines logo]()
$1,363
This American Airlines deal was found by Cheapflights users on 4/12. 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.
Fri 4/247:48 am
IDA
- SJO
2 stops27h 19m
American Airlines
Sun 4/262:22 pm
SJO
- IDA
2 stops22h 51m
American Airlines
Deal found 4/12![American Airlines logo]()
$776
This United Airlines deal was found by Cheapflights users on 4/12. 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.
Fri 4/246:45 am
IDA
- SJO
1 stop14h 30m
United Airlines
Sun 4/266:40 am
SJO
- IDA
1 stop8h 59m
United Airlines
Deal found 4/12![United Airlines logo]()
$855
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Tue 5/125:26 pm
IDA
- SJO
2 stops50h 11m
United Airlines
Sat 5/166:00 am
SJO
- IDA
2 stops27h 55m
United Airlines
Deal found 4/15![United Airlines logo]()
$542
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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.
Tue 5/126:00 am
IDA
- SJO
2 stops41h 33m
Alaska Airlines
Fri 5/1512:53 am
SJO
- IDA
2 stops22h 00m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$663
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 April 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $635 (United Airlines) |
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 April 16, 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
Cheapest round-trip
Idaho FallsSan José
IDA - SJO
IDASJO
Idaho Falls Fanning Field
Tue 5/12
5:26 pm-7:37 pm
2 stops50h 11m
San José Juan Santamaria Intl
Sat 5/16
6:00 am-9:55 am
2 stops27h 55m
$542
Idaho FallsSan José
IDA - SJO
IDASJO
Idaho Falls Fanning Field
Tue 5/12
6:00 am-11:33 pm
2 stops41h 33m
San José Juan Santamaria Intl
Fri 5/15
12:53 am-10:53 pm
2 stops22h 00m
$663
Idaho FallsSan José
IDA - SJO
IDASJO
Idaho Falls Fanning Field
Wed 6/3
5:54 pm-10:11 am
2 stops16h 17m
San José Juan Santamaria Intl
Thu 6/18
1:25 pm-1:25 pm
2 stops24h 00m
$766
Idaho FallsSan José
IDA - SJO
IDASJO
Idaho Falls Fanning Field
Tue 6/9
4:10 pm-10:11 am
2 stops18h 01m
San José Juan Santamaria Intl
Mon 6/15
11:13 am-9:50 am
2 stops22h 37m
$785
Idaho FallsSan José
IDA - SJO
IDASJO
Idaho Falls Fanning Field
Fri 6/19
2:30 pm-10:11 am
2 stops19h 41m
San José Juan Santamaria Intl
Sat 6/27
6:00 am-9:50 am
2 stops27h 50m
$785
Quickest round-trip
Idaho FallsSan José
IDA - SJO
IDASJO
Idaho Falls Fanning Field
Fri 6/19
7:00 am-10:42 pm
1 stop15h 42m
San José Juan Santamaria Intl
Sat 6/27
11:59 pm-12:14 pm
1 stop12h 15m
$788
Idaho FallsSan José
IDA - SJO
IDASJO
Idaho Falls Fanning Field
Tue 6/9
6:00 am-11:33 pm
2 stops17h 33m
San José Juan Santamaria Intl
Thu 6/11
1:06 am-1:06 pm
2 stops36h 00m
$808
Idaho FallsSan José
IDA - SJO
IDASJO
Idaho Falls Fanning Field
Sun 6/7
6:00 am-11:33 pm
2 stops17h 33m
San José Juan Santamaria Intl
Thu 6/11
1:06 am-1:06 pm
2 stops36h 00m
$903
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.
IDA-SJO
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
IDA-CR0
IDA-SJO
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 April 16, 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.
Overall
7.4
Comfort
7.3
Crew
8.1
Entertainment
7.1
Food
6.6
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Overall
7.4
Comfort
7.3
Crew
8.1
Entertainment
7.1
Food
6.6
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Overall
7.4
Comfort
7.3
Crew
8.1
Entertainment
7.1
Food
6.6
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
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.
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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.
Complete your trip
Complete your trip to Costa Rica by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho Falls to Costa Rica by cabin class
Find flights from Idaho Falls to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho Falls and Costa Rica flights
Browse other Idaho Falls and Costa Rica flight options. Last updated on April 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$569 | Average$796 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$584 | Average$828 | FlexibilityNo cancel fee | On-time69% |