How long is the flight from Idaho to Costa Rica?

Flight times vary depending on what airport in Idaho you fly out of and what airport in Costa Rica you fly into. For example, flying from Boise to San José takes 8h 04m on average. On the other hand, flying from Idaho Falls to San José takes 19h 36m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What is the cheapest airline that flies from Idaho to Costa Rica?

United Airlines, American Airlines, and Alaska Airlines are the most popular carriers operating from Idaho to Costa Rica

What airlines fly to Costa Rica?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Costa Rica from Idaho according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 5 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Idaho to Costa Rica?

Prices for flights from Idaho to Costa Rica refresh daily.

How many operators does momondo search for flights from Idaho to Costa Rica?

The number of operators available for flights from Idaho to Costa Rica is 5 as of December 2025.

How old do you have to be to fly from Idaho to Costa Rica?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Costa Rica.

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

The travel and health documents you'll need for your trip to Costa Rica may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Costa Rica. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$133 Cheap Flights from Idaho to Costa Rica in 2025/26

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Find the cheapest flights from Idaho to Costa Rica

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:16 pm - 9:02 pm

SUN

SJO

30h 46m2 stops

8:00 am - 12:46 pm

SJO

SUN

29h 46m2 stops

$302American Airlines

mié., ene. 21 - mié., ene. 28

5:15 pm - 11:10 am

BOI

SJO

17h 55m2 stops

1:45 pm - 11:21 am

SJO

BOI

21h 36m2 stops

$302American Airlines

mar., abr. 7 - mar., abr. 14

6:53 am - 8:32 am

GEG

SJO

23h 39m1 stop

9:40 am - 7:16 pm

SJO

GEG

11h 36m1 stop

$304United Airlines

mar., ene. 27 - mar., feb. 3

1:42 pm - 1:09 pm

BOI

SJO

23h 27m1 stop

1:45 pm - 11:21 am

SJO

BOI

21h 36m2 stops

$310American Airlines

mar., abr. 7 - mar., abr. 14

4:10 pm - 1:15 pm

GEG

SJO

19h 05m2 stops

9:40 am - 7:16 pm

SJO

GEG

11h 36m1 stop

$313United Airlines

mar., ene. 27 - mar., feb. 3

7:05 am - 11:40 pm

BOI

SJO

15h 35m3 stops

6:00 am - 11:00 pm

SJO

BOI

18h 00m2 stops

$363Multiple Airlines

vie., feb. 6 - jue., feb. 12

8:12 pm - 11:15 pm

BOI

SJO

26h 03m2 stops

3:05 pm - 12:44 pm

SJO

BOI

21h 39m2 stops

$370Multiple Airlines

lun., mar. 2 - dom., mar. 8

2:10 pm - 12:50 pm

GEG

SJO

20h 40m2 stops

9:40 am - 8:15 pm

SJO

GEG

12h 35m2 stops

$392Southwest

mar., ene. 27 - mar., feb. 3

7:59 pm - 6:01 pm

BOI

LIR

21h 02m2 stops

7:08 pm - 2:58 pm

LIR

BOI

20h 50m2 stops

$425Alaska Airlines

lun., feb. 2 - vie., feb. 27

7:02 pm - 6:01 pm

BOI

LIR

21h 59m1 stop

7:08 pm - 12:44 pm

LIR

BOI

18h 36m1 stop

$428Alaska Airlines

lun., feb. 2 - vie., feb. 27

United Airlines flights from Idaho to Costa Rica

Our best United Airlines deals on Idaho to Costa Rica flight tickets

United Airlines

Feb 25

GEG12:38 pmSpokane

17h 54m

1 stop

SJO8:32 amSan José Juan Santamaria Intl

Mar 19

SJO8:40 amSan José Juan Santamaria Intl

13h 23m

1 stop

GEG9:03 pmSpokane

$298

Find similar

United Airlines

Jan 27

GEG6:53 amSpokane

23h 39m

1 stop

SJO8:32 amSan José Juan Santamaria Intl

Feb 3

SJO9:40 amSan José Juan Santamaria Intl

11h 36m

1 stop

GEG7:16 pmSpokane

$304

Find similar

United Airlines

Jan 27

GEG4:10 pmSpokane

19h 05m

2 stops

SJO1:15 pmSan José Juan Santamaria Intl

Feb 3

SJO9:40 amSan José Juan Santamaria Intl

11h 36m

1 stop

GEG7:16 pmSpokane

$313

Find similar

American Airlines flights from Idaho to Costa Rica

Our best American Airlines deals on Idaho to Costa Rica flight tickets

American Airlines

Jan 21

SUN1:16 pmHailey Sun Valley-Friedman

30h 46m

2 stops

SJO9:02 pmSan José Juan Santamaria Intl

Jan 28

SJO8:00 amSan José Juan Santamaria Intl

29h 46m

2 stops

SUN12:46 pmHailey Sun Valley-Friedman

$302

Find similar

American Airlines

Apr 7

BOI1:42 pmBoise Air Term. Gowen Fld

23h 27m

1 stop

SJO1:09 pmSan José Juan Santamaria Intl

Apr 14

SJO1:45 pmSan José Juan Santamaria Intl

21h 36m

2 stops

BOI11:21 amBoise Air Term. Gowen Fld

$310

Find similar

American Airlines

Mar 4

GEG5:51 amSpokane

14h 52m

1 stop

SJO10:43 pmSan José Juan Santamaria Intl

Mar 16

SJO11:35 pmSan José Juan Santamaria Intl

18h 19m

1 stop

GEG4:54 pmSpokane

$332

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HaileySan José

SUN - SJO

SUNSJO

Hailey Sun Valley-Friedman

mié. 1/21

1:16 pm-9:02 pm

2 stops30h 46m

San José Juan Santamaria Intl

mié. 1/28

8:00 am-12:46 pm

2 stops29h 46m

$302

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

mar. 4/7

5:15 pm-11:10 am

2 stops17h 55m

San José Juan Santamaria Intl

mar. 4/14

1:45 pm-11:21 am

2 stops21h 36m

$302

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

mar. 1/27

6:53 am-8:32 am

1 stop23h 39m

San José Juan Santamaria Intl

mar. 2/3

9:40 am-7:16 pm

1 stop11h 36m

$304

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

mar. 4/7

1:42 pm-1:09 pm

1 stop23h 27m

San José Juan Santamaria Intl

mar. 4/14

1:45 pm-11:21 am

2 stops21h 36m

$310

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

mar. 1/27

4:10 pm-1:15 pm

2 stops19h 05m

San José Juan Santamaria Intl

mar. 2/3

9:40 am-7:16 pm

1 stop11h 36m

$313

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

vie. 2/6

7:05 am-11:40 pm

3 stops15h 35m

San José Juan Santamaria Intl

jue. 2/12

6:00 am-11:00 pm

2 stops18h 00m

$363

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

lun. 3/2

8:12 pm-11:15 pm

2 stops26h 03m

San José Juan Santamaria Intl

dom. 3/8

3:05 pm-12:44 pm

2 stops21h 39m

$370

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

mar. 1/27

2:10 pm-12:50 pm

2 stops20h 40m

San José Juan Santamaria Intl

mar. 2/3

9:40 am-8:15 pm

2 stops12h 35m

$392

BoiseLiberia

BOI - LIR

BOILIR

Boise Air Term. Gowen Fld

lun. 2/2

7:59 pm-6:01 pm

2 stops21h 02m

Liberia

vie. 2/27

7:08 pm-2:58 pm

2 stops20h 50m

$425

BoiseLiberia

BOI - LIR

BOILIR

Boise Air Term. Gowen Fld

lun. 2/2

7:02 pm-6:01 pm

1 stop21h 59m

Liberia

vie. 2/27

7:08 pm-12:44 pm

1 stop18h 36m

$428

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho 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

Prices

Airlines

Other information

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Idaho is in January. Flight prices, which tend to average around $357, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in January, then October is your next best option. Flight prices from Idaho to Costa Rica during October average around $433.

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

According to our data, Sunday is the cheapest day to fly to Costa Rica from Idaho. The lowest ticket price found for a Sunday departure recently was $605. 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 Friday because tickets tend to average around $765. 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?

In the evening is the cheapest time of day to fly from Idaho to Costa Rica when you can find flight prices for as low as $581. Flying to Costa Rica in the evening is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly in the morning, with an average ticket price of $723. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from Idaho when booking week ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $588 when searching week out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Idaho for as low as $425 on momondo.

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

You could potentially save up to 26% on your flight if you consider stops on a Idaho to Costa Rica flight.

Cheap Idaho to Costa Rica flight deals and tips

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

Fastest flight time	8h 04m
Direct flights	None

The fastest flight from Idaho to Costa Rica takes 8h 04m

There are no direct flights from Idaho to Costa Rica. There are no popular flight routes from Idaho to Costa Rica.

Search flight deals

When did momondo last update prices for flights from Idaho to Costa Rica?
Prices for flights from Idaho to Costa Rica refresh daily.
How many operators does momondo search for flights from Idaho to Costa Rica?
The number of operators available for flights from Idaho to Costa Rica is 5 as of December 2025.
How old do you have to be to fly from Idaho to Costa Rica?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Costa Rica.
What documentation or ID do you need to fly to Costa Rica?
The travel and health documents you'll need for your trip to Costa Rica may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Costa Rica. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Costa Rica

Compare and see reviews for airlines that fly from Idaho to Costa Rica with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $141	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
American Airlines	PriceFrom $303	Free Cancellation	Rating 7.2 11,052 reviews	Search American Airlines flights
United Airlines	PriceFrom $309	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $376	Free Cancellation	Rating 8.0 11,451 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $454	Free Cancellation	Rating 7.9 4,250 reviews	Search Southwest flights

Why use momondo?

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

It is quick and easy to find Idaho to Costa Rica flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Costa Rica that suits you.

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

Yes. momondo allows you to filter the results for Idaho to Costa Rica flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Idaho and Costa Rica by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Costa Rica, momondo offers a useful price alert feature which will track prices for flights to Costa Rica from Idaho and alert you when they change.