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Cheap flights from Idaho Falls to Costa Rica from $300

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Costa Rica departing on 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

United Airlines Logo
4:31 pm - 8:39 pmIDA-SJO
27h 08m3 stops
United Airlines Logo
2:05 pm - 9:28 amSJO-IDA
20h 23m2 stops
$529United Airlines
Find Deal
Mon, Mar 2 - Thu, Mar 5
Alaska Airlines Logo
8:00 am - 11:00 pmIDA-SJO
14h 00m2 stops
Alaska Airlines Logo
2:26 am - 10:38 pmSJO-IDA
21h 12m2 stops
$550Alaska Airlines
Find Deal
Mon, Mar 2 - Wed, Mar 4
American Airlines Logo
1:43 pm - 1:25 pmIDA-SJO
23h 42m2 stops
American Airlines Logo
2:50 pm - 12:22 pmSJO-IDA
21h 32m2 stops
$566American Airlines
Find Deal
Tue, Mar 10 - Thu, Mar 12
Alaska Airlines Logo
3:50 pm - 11:51 pmIDA-SJO
32h 01m2 stops
Alaska Airlines Logo
1:55 am - 3:13 pmSJO-IDA
38h 18m2 stops
$583Alaska Airlines
Find Deal
Fri, Oct 31 - Thu, Nov 6
Alaska Airlines Logo
8:00 am - 10:00 pmIDA-SJO
14h 00m2 stops
Alaska Airlines Logo
1:26 am - 10:38 pmSJO-IDA
21h 12m2 stops
$635Alaska Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
American Airlines Logo
8:19 am - 11:00 pmIDA-SJO
37h 41m2 stops
American Airlines Logo
6:34 am - 12:25 pmSJO-IDA
30h 51m1 stop
$713American Airlines
Find Deal
Mon, Mar 2 - Thu, Mar 5
American Airlines Logo
1:43 pm - 1:25 pmIDA-SJO
23h 42m2 stops
American Airlines Logo
1:47 pm - 12:22 pmSJO-IDA
22h 35m1 stop
$782American Airlines
Find Deal
Tue, Mar 10 - Thu, Mar 12
American Airlines Logo
1:43 pm - 9:55 pmIDA-SJO
8h 12m1 stop
American Airlines Logo
12:01 am - 12:22 pmSJO-IDA
12h 21m1 stop
$784American Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
10:50 am - 9:00 pmIDA-SJO
10h 10m1 stop
United Airlines Logo
8:45 am - 10:52 pmSJO-IDA
15h 07m2 stops
$886United Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7

Alaska Airlines flights from Idaho Falls to Costa Rica

Our best Alaska Airlines deals on Idaho Falls to Costa Rica flight tickets
Alaska Airlines
Mar 2
IDA8:00 amIdaho Falls Fanning Field
14h 00m
2 stops
SJO11:00 pmSan José Juan Santamaria Intl
Mar 4
SJO2:26 amSan José Juan Santamaria Intl
21h 12m
2 stops
IDA10:38 pmIdaho Falls Fanning Field
$550
Find similar
Alaska Airlines
Oct 31
IDA3:50 pmIdaho Falls Fanning Field
32h 01m
2 stops
SJO11:51 pmSan José Juan Santamaria Intl
Nov 6
SJO1:55 amSan José Juan Santamaria Intl
38h 18m
2 stops
IDA3:13 pmIdaho Falls Fanning Field
$583
Find similar
Alaska Airlines
Mar 10
IDA8:00 amIdaho Falls Fanning Field
14h 00m
2 stops
SJO10:00 pmSan José Juan Santamaria Intl
Mar 11
SJO1:26 amSan José Juan Santamaria Intl
21h 12m
2 stops
IDA10:38 pmIdaho Falls Fanning Field
$635
Find similar

United Airlines flights from Idaho Falls to Costa Rica

Our best United Airlines deals on Idaho Falls to Costa Rica flight tickets
United Airlines
Mar 2
IDA4:31 pmIdaho Falls Fanning Field
27h 08m
3 stops
SJO8:39 pmSan José Juan Santamaria Intl
Mar 5
SJO2:05 pmSan José Juan Santamaria Intl
20h 23m
2 stops
IDA9:28 amIdaho Falls Fanning Field
$529
Find similar
United Airlines
Oct 31
IDA10:50 amIdaho Falls Fanning Field
10h 10m
1 stop
SJO9:00 pmSan José Juan Santamaria Intl
Nov 7
SJO8:45 amSan José Juan Santamaria Intl
15h 07m
2 stops
IDA10:52 pmIdaho Falls Fanning Field
$886
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
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

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

Tue 3/10

1:43 pm-1:25 pm

2 stops23h 42m

San José Juan Santamaria Intl

Thu 3/12

2:50 pm-12:22 pm

2 stops21h 32m

$566

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Fri 10/31

3:50 pm-11:51 pm

2 stops32h 01m

San José Juan Santamaria Intl

Thu 11/6

1:55 am-3:13 pm

2 stops38h 18m

$583

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Tue 3/10

8:00 am-10:00 pm

2 stops14h 00m

San José Juan Santamaria Intl

Wed 3/11

1:26 am-10:38 pm

2 stops21h 12m

$635

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

6:34 am-12:25 pm

1 stop30h 51m

$713

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Tue 3/10

1:43 pm-1:25 pm

2 stops23h 42m

San José Juan Santamaria Intl

Thu 3/12

1:47 pm-12:22 pm

1 stop22h 35m

$782

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Tue 3/10

1:43 pm-9:55 pm

1 stop8h 12m

San José Juan Santamaria Intl

Wed 3/11

12:01 am-12:22 pm

1 stop12h 21m

$784

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Fri 10/31

10:50 am-9:00 pm

1 stop10h 10m

San José Juan Santamaria Intl

Fri 11/7

8:45 am-10:52 pm

2 stops15h 07m

$886

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Mon 9/29

5:56 pm-12:26 pm

2 stops18h 30m

$300

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Idaho Falls to Costa Rica

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Costa Rica?

According to our data, Saturday is the cheapest day to fly to Costa Rica from Idaho Falls. The lowest ticket price found for a Saturday departure recently was $718. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $937. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

What is the cheapest time of day to depart on your flight to Costa Rica?

At noon is the cheapest time of day to fly from Idaho Falls to Costa Rica when you can find flight prices for as low as $688. Flying to Costa Rica at noon is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly in the afternoon, with an average ticket price of $1,051. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Idaho Falls to Costa Rica flights?

You could potentially save up to 25% on your flight if you consider stops on a Idaho Falls to Costa Rica flight.

Cheap Idaho Falls to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Costa Rica

Direct flights

None
There are no direct flights from Idaho Falls to Costa Rica. There are no popular flight routes from Idaho Falls to Costa Rica.
Search flight deals

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Costa Rica?

    Prices for flights from Idaho Falls Fanning Field Airport to Costa Rica are updated daily.

  • How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Costa Rica?

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Costa Rica?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The required travel and health documents for your Costa Rica trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Costa Rica. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Idaho Falls to Costa Rica

Compare and see reviews for airlines that fly from Idaho Falls to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $612Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $627Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to Costa Rica?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Costa Rica from Idaho Falls.

Can I find flights from Idaho Falls to Costa Rica with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Costa Rica from Idaho Falls with this policy.

How can momondo help me find flights from Idaho Falls to Costa Rica?

Once all potential Idaho Falls to Costa Rica flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Idaho Falls to Costa Rica right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Idaho Falls to Costa Rica flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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