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Cheap flights from Idaho Falls to Costa Rica from $413

This is the cheapest round-trip 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 1/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:19 pm - 1:15 pm
IDA
-
SJO
19h 56m2 stops
United Airlines Logo
8:45 am - 9:56 am
SJO
-
IDA
26h 11m2 stops
$413United Airlines
Sun, Jan 18 - Fri, Jan 30
United Airlines Logo
4:19 pm - 10:00 pm
IDA
-
SJO
28h 41m1 stop
United Airlines Logo
6:30 am - 9:56 am
SJO
-
IDA
28h 26m2 stops
$419United Airlines
Thu, Jan 22 - Thu, Jan 29
United Airlines Logo
4:19 pm - 8:39 pm
IDA
-
SJO
27h 20m2 stops
United Airlines Logo
2:20 pm - 9:56 am
SJO
-
IDA
20h 36m2 stops
$428United Airlines
Fri, Jan 23 - Thu, Jan 29
United Airlines Logo
4:19 pm - 1:15 pm
IDA
-
SJO
19h 56m2 stops
United Airlines Logo
8:45 am - 9:56 am
SJO
-
IDA
26h 11m2 stops
$442United Airlines
Sun, Jan 18 - Thu, Feb 5
United Airlines Logo
4:19 pm - 10:00 pm
IDA
-
SJO
28h 41m1 stop
United Airlines Logo
2:20 pm - 9:56 am
SJO
-
IDA
20h 36m2 stops
$448United Airlines
Thu, Jan 22 - Thu, Feb 5
United Airlines Logo
4:19 pm - 6:16 pm
IDA
-
SJO
24h 57m2 stops
United Airlines Logo
8:45 am - 9:56 am
SJO
-
IDA
26h 11m2 stops
$457United Airlines
Tue, Jan 20 - Thu, Feb 5
United Airlines Logo
4:19 pm - 1:15 pm
IDA
-
SJO
19h 56m2 stops
United Airlines Logo
2:20 pm - 9:56 am
SJO
-
IDA
20h 36m2 stops
$468United Airlines
Tue, Jan 20 - Wed, Jan 28
United Airlines Logo
4:19 pm - 1:15 pm
IDA
-
SJO
19h 56m2 stops
United Airlines Logo
2:20 pm - 9:56 am
SJO
-
IDA
20h 36m2 stops
$488United Airlines
Sat, Jan 17 - Thu, Jan 29
United Airlines Logo
4:19 pm - 6:16 pm
IDA
-
SJO
24h 57m2 stops
United Airlines Logo
6:30 am - 9:56 am
SJO
-
IDA
28h 26m2 stops
$503United Airlines
Tue, Jan 20 - Sat, Jan 31
United Airlines Logo
4:19 pm - 8:39 pm
IDA
-
SJO
27h 20m2 stops
United Airlines Logo
6:30 am - 9:56 am
SJO
-
IDA
28h 26m2 stops
$505United Airlines
Tue, Jan 20 - Mon, Jan 26

United Airlines flights from Idaho Falls to Costa Rica

Our best United Airlines deals on Idaho Falls to Costa Rica flight tickets
United Airlines
Jan 18
IDA4:19 pmIdaho Falls Fanning Field
19h 37m
2 stops
SJO12:56 pmSan José Juan Santamaria Intl
Jan 29
SJO2:20 pmSan José Juan Santamaria Intl
20h 36m
2 stops
IDA9:56 amIdaho Falls Fanning Field
$413
Find similar
United Airlines
Jan 22
IDA2:40 pmIdaho Falls Fanning Field
30h 20m
1 stop
SJO10:00 pmSan José Juan Santamaria Intl
Jan 30
SJO8:45 amSan José Juan Santamaria Intl
26h 11m
2 stops
IDA9:56 amIdaho Falls Fanning Field
$419
Find similar
United Airlines
Jan 23
IDA4:19 pmIdaho Falls Fanning Field
27h 20m
2 stops
SJO8:39 pmSan José Juan Santamaria Intl
Jan 26
SJO6:30 amSan José Juan Santamaria Intl
28h 26m
2 stops
IDA9:56 amIdaho Falls Fanning Field
$428
Find similar

American Airlines flights from Idaho Falls to Costa Rica

Our best American Airlines deals on Idaho Falls to Costa Rica flight tickets
American Airlines
Mar 30
IDA2:18 pmIdaho Falls Fanning Field
19h 07m
2 stops
SJO9:25 amSan José Juan Santamaria Intl
Apr 3
SJO11:35 pmSan José Juan Santamaria Intl
14h 13m
1 stop
IDA1:48 pmIdaho Falls Fanning Field
$686
Find similar
American Airlines
Jan 20
IDA2:07 pmIdaho Falls Fanning Field
22h 47m
2 stops
SJO1:54 pmSan José Juan Santamaria Intl
Jan 28
SJO2:54 pmSan José Juan Santamaria Intl
23h 43m
1 stop
IDA1:37 pmIdaho Falls Fanning Field
$688
Find similar
American Airlines
Mar 30
IDA2:18 pmIdaho Falls Fanning Field
23h 35m
1 stop
SJO1:53 pmSan José Juan Santamaria Intl
Apr 3
SJO11:35 pmSan José Juan Santamaria Intl
14h 13m
1 stop
IDA1:48 pmIdaho Falls Fanning Field
$692
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 December 27, 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

Sun 1/18

4:19 pm-1:15 pm

2 stops19h 56m

San José Juan Santamaria Intl

Fri 1/30

8:45 am-9:56 am

2 stops26h 11m

$413

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Thu 1/22

4:19 pm-10:00 pm

1 stop28h 41m

San José Juan Santamaria Intl

Thu 1/29

6:30 am-9:56 am

2 stops28h 26m

$419

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Fri 1/23

4:19 pm-8:39 pm

2 stops27h 20m

San José Juan Santamaria Intl

Thu 1/29

2:20 pm-9:56 am

2 stops20h 36m

$428

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Sun 1/18

4:19 pm-1:15 pm

2 stops19h 56m

San José Juan Santamaria Intl

Thu 2/5

8:45 am-9:56 am

2 stops26h 11m

$442

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Thu 1/22

4:19 pm-10:00 pm

1 stop28h 41m

San José Juan Santamaria Intl

Thu 2/5

2:20 pm-9:56 am

2 stops20h 36m

$448

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Tue 1/20

4:19 pm-6:16 pm

2 stops24h 57m

San José Juan Santamaria Intl

Thu 2/5

8:45 am-9:56 am

2 stops26h 11m

$457

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Tue 1/20

4:19 pm-1:15 pm

2 stops19h 56m

San José Juan Santamaria Intl

Wed 1/28

2:20 pm-9:56 am

2 stops20h 36m

$468

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Sat 1/17

4:19 pm-1:15 pm

2 stops19h 56m

San José Juan Santamaria Intl

Thu 1/29

2:20 pm-9:56 am

2 stops20h 36m

$488

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Tue 1/20

4:19 pm-6:16 pm

2 stops24h 57m

San José Juan Santamaria Intl

Sat 1/31

6:30 am-9:56 am

2 stops28h 26m

$503

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Tue 1/20

4:19 pm-8:39 pm

2 stops27h 20m

San José Juan Santamaria Intl

Mon 1/26

6:30 am-9:56 am

2 stops28h 26m

$505

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Costa Rica from

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 54% 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

Fastest flight time

21h 35m

Direct flights

None
The fastest flight from Idaho Falls to Costa Rica takes 21h 35m
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 $522Free CancellationRating
7.4
9,116 reviews
Search United Airlines flights
American AirlinesPriceFrom $569Free CancellationRating
7.2
11,068 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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