$565 Find Cheap Flights from Idaho Falls to Costa Rica

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Idaho Falls to Costa Rica departing on 8/28. 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
1 adult, Economy, 0 bags

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Flight Deals

Book Cheap Idaho Falls to Costa Rica Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho Falls to Costa Rica that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Idaho Falls to Costa Rica

Fri, Aug 28 - Sat, Sep 5
American Airlines Logo
1:41 pm - 12:26 pm
IDA
-
SJO
22h 45m
2 stops
American Airlines Logo
2:52 pm - 1:11 pm
SJO
-
IDA
22h 19m
2 stops
$565American Airlines
Fri, Jun 12 - Sat, Jun 20
American Airlines Logo
2:26 pm - 1:08 pm
IDA
-
SJO
22h 42m
2 stops
American Airlines Logo
2:00 pm - 11:47 am
SJO
-
IDA
21h 47m
2 stops
$670American Airlines
Fri, Jun 12 - Sun, Jun 21
American Airlines Logo
2:26 pm - 1:08 pm
IDA
-
SJO
22h 42m
2 stops
American Airlines Logo
2:00 pm - 11:47 am
SJO
-
IDA
21h 47m
2 stops
$675American Airlines
Fri, Aug 28 - Sat, Sep 5
American Airlines Logo
12:10 pm - 1:52 pm
IDA
-
SJO
25h 42m
1 stop
American Airlines Logo
2:52 pm - 1:11 pm
SJO
-
IDA
22h 19m
2 stops
$683American Airlines
Sun, May 17 - Fri, May 22
Alaska Airlines Logo
4:03 pm - 11:33 pm
IDA
-
SJO
31h 30m
2 stops
Alaska Airlines Logo
12:53 am - 10:53 pm
SJO
-
IDA
46h 00m
2 stops
$689Alaska Airlines
Tue, May 26 - Sun, May 31
United Airlines Logo
5:54 pm - 10:11 am
IDA
-
SJO
16h 17m
2 stops
United Airlines Logo
6:00 am - 3:34 pm
SJO
-
IDA
33h 34m
2 stops
$715United Airlines
Tue, May 26 - Sun, May 31
United Airlines Logo
5:54 pm - 10:11 am
IDA
-
SJO
16h 17m
2 stops
United Airlines Logo
6:40 am - 5:19 pm
SJO
-
IDA
10h 39m
1 stop
$717United Airlines
Fri, Jun 12 - Sat, Jun 20
American Airlines Logo
2:26 pm - 1:08 pm
IDA
-
SJO
22h 42m
2 stops
American Airlines Logo
2:00 pm - 11:47 am
SJO
-
IDA
21h 47m
2 stops
$735American Airlines
Fri, Jun 12 - Sun, Jun 21
American Airlines Logo
2:26 pm - 11:49 am
IDA
-
SJO
21h 23m
2 stops
American Airlines Logo
2:00 pm - 11:47 am
SJO
-
IDA
21h 47m
2 stops
$740American Airlines
Sun, May 17 - Sat, May 23
Alaska Airlines Logo
4:03 pm - 11:33 pm
IDA
-
SJO
31h 30m
2 stops
Alaska Airlines Logo
12:53 am - 10:53 pm
SJO
-
IDA
22h 00m
2 stops
$746Alaska Airlines
Booking Insights

KAYAK's insights & trends for Idaho Falls to Costa Rica flights

Get data-powered insights and trends into flights from Idaho Falls to Costa Rica to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Idaho Falls to Costa Rica?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Idaho Falls to Costa Rica were found on Alaska Airlines ($689) and United Airlines ($715).

Good to know

Cheapest flight$565
Flight from Idaho Falls to San José

FAQs - booking Costa Rica flights

  • How does KAYAK find such low prices on flights from Idaho Falls to Costa Rica?

    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 Falls to Costa Rica.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Idaho Falls to Costa Rica 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 Falls to Costa Rica?

    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 from Idaho Falls to Costa Rica with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho Falls to Costa Rica?

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

Reviews of the top airlines flying from Idaho Falls to Costa Rica

 
Need help choosing which airline to fly with from Idaho Falls to Costa Rica? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.4
United AirlinesOverall score based on 9690 reviews
7.3Comfort
7.1Entertainment
7.7Boarding
8.1Crew
6.6Food
Airline reviews

Friendliest Flight Attendant I’ve seen since I flew on Southwest Airlines. The whole trip was outstanding…and arrived Early!

10.0 ExcellentThomas, May 2026
DFW - FRA
Read more United Airlines reviews

Friendliest Flight Attendant I’ve seen since I flew on Southwest Airlines. The whole trip was outstanding…and arrived Early!

It was good overall except from Omaha to Denver when flight a was a repeatedly delayed apparently due to some issue at Denver. Communications could have been handled better. I had to board then deboard with luggage and board again

I didn’t have a seat assignment and my seat was very dirty on the flight from Frankfurt to Budapest.

Left an hour and a half after the listed time. Up side was it had TV screens on the seat.

No screens or meal options. Freezing cold. Dirty seats. Left late.

O’hsre taxi and deboarding took 40 minutes. Needed 20 minutes extra time between connecting flights to avoid running through terminal.

Cree was organized and pleasant. Plane had good seating but as it’s a shuttle toilets hadn’t been thoroughly cleaned (eg. bins too full)

I liked that my son and I were reseated next to each other (we had different bookings). I liked that it was a directg flight and mostly on time. I liked that you provided pillows and blankets. Flight attendants were generally courteous. The messaging through wifi did not work well. The food was not good. Seats are very narrow and I felt slightly claustraphobic in the window seat.

Overall a good experience, but no wifi available for free or for purchase and we got wet from condensation or other water source during descent.

Some crew were unfriendly or in some cases just straight up rude.

Terrible, horrible, disappointing- without telling us they changed planes and moved and separated our seats to opposite sides - said they changed seats putting us together - got to airport to find no, they did not - we sat opposing sides of plane - food overly salty to inedible, never saw stewardess but once - it was terrible

not sure why you ask about food, I n3ver get food on flights except maybe cookies or pretzels. wifi was slow and in and out most of the flight not good.

The crew was very attentive through out the flight. Seats were comfortable, nice flight bag with pillow and blanket. Food was okay, since it was a overnight flight seemed to go by fast.

The flight attendant on my side of business class seemed like a novice and did not provide good service. Otherwise the flight was good and the entertainment system was very good. No free WiFi.

Cancelled BOYH legs of our flight home 30 min before initial boarding

Cancelled the flight half hour before boarding. Then cancelled the connecting flight too.

Left early arrived early..right amount of talking from pilots..of course had to love the biscuit and water!

I would like a refund for the extra cost the seat I paid for. An oversized person sat next to me and I couldn’t fit on my seat and had to move to another seat.

Boarding gate at LAX was too crowded—two gates next to one another

The flight was delayed about an hour for a maintenance specialist to approve the maintenance repair

Everything you need to know for your flight from Idaho Falls to Costa Rica

Information on your arrival and departure airports