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

American Airlines, United 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 49% 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.

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 12h 12m on average. On the other hand, flying from Hailey to San José takes 12h 37m 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.

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 April 2026.

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.

$179 Cheap Flights from Idaho to Costa Rica in 2026

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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.

4:10 pm - 12:21 pm

GEG

SJO

19h 11m

2 stops

8:45 am - 9:40 pm

SJO

GEG

13h 55m

1 stop

$400United Airlines

Mon, May 4 - Mon, May 11

7:00 am - 11:33 pm

GEG

SJO

15h 33m

1 stop

12:53 am - 9:18 pm

SJO

GEG

21h 25m

2 stops

$405Alaska Airlines

Tue, May 26 - Mon, Jun 1

8:10 am - 11:45 pm

BOI

SJO

15h 35m

2 stops

12:53 am - 11:58 pm

SJO

BOI

23h 05m

2 stops

$405Alaska Airlines

Tue, May 5 - Wed, May 13

7:00 am - 11:33 pm

GEG

SJO

15h 33m

1 stop

12:53 am - 10:52 pm

SJO

GEG

22h 59m

1 stop

$408Alaska Airlines

Tue, May 26 - Mon, Jun 1

1:57 pm - 11:56 am

GEG

SJO

20h 59m

2 stops

11:41 pm - 8:45 pm

SJO

GEG

22h 04m

1 stop

$456American Airlines

Tue, Jul 14 - Thu, Jul 23

1:25 pm - 11:07 am

JAC

SJO

21h 42m

2 stops

12:10 pm - 12:41 pm

SJO

JAC

24h 31m

2 stops

$505American Airlines

Tue, Apr 21 - Tue, Apr 28

4:25 pm - 12:21 pm

JAC

SJO

19h 56m

2 stops

7:55 am - 9:02 pm

SJO

JAC

13h 07m

2 stops

$542Avianca

Wed, Sep 9 - Tue, Oct 6

4:25 pm - 12:21 pm

JAC

SJO

19h 56m

2 stops

8:37 am - 1:57 pm

SJO

JAC

29h 20m

1 stop

$550Multiple Airlines

Wed, Sep 9 - Mon, Oct 5

12:53 pm - 1:58 pm

JAC

SJO

25h 05m

1 stop

1:05 pm - 11:54 am

SJO

JAC

22h 49m

2 stops

$600GOL

Wed, Sep 9 - Tue, Oct 6

10:20 am - 2:08 pm

SUN

SJO

27h 48m

2 stops

2:09 pm - 9:38 am

SJO

SUN

19h 29m

2 stops

$826Multiple Airlines

Thu, Jun 18 - Fri, Jun 26

United Airlines flights from Idaho to Costa Rica

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

United Airlines

May 21

GEG12:37 pmSpokane

17h 38m

1 stop

SJO7:15 amSan José Juan Santamaria Intl

May 28

SJO8:45 amSan José Juan Santamaria Intl

10h 54m

1 stop

GEG6:39 pmSpokane

$400

United Airlines

May 6

BOI4:20 pmBoise Air Term. Gowen Fld

14h 55m

1 stop

SJO7:15 amSan José Juan Santamaria Intl

May 13

SJO8:45 amSan José Juan Santamaria Intl

12h 32m

1 stop

BOI9:17 pmBoise Air Term. Gowen Fld

$420

United Airlines

Apr 19

GEG4:01 pmSpokane

17h 10m

2 stops

SJO10:11 amSan José Juan Santamaria Intl

May 2

SJO6:00 amSan José Juan Santamaria Intl

16h 16m

2 stops

GEG9:16 pmSpokane

$445

Alaska Airlines flights from Idaho to Costa Rica

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

Alaska Airlines

May 5

BOI8:10 amBoise Air Term. Gowen Fld

15h 35m

2 stops

SJO11:45 pmSan José Juan Santamaria Intl

May 13

SJO12:53 amSan José Juan Santamaria Intl

23h 05m

2 stops

BOI11:58 pmBoise Air Term. Gowen Fld

$405

Alaska Airlines

May 5

BOI8:11 amBoise Air Term. Gowen Fld

15h 34m

1 stop

SJO11:45 pmSan José Juan Santamaria Intl

May 13

SJO12:53 amSan José Juan Santamaria Intl

22h 05m

1 stop

BOI10:58 pmBoise Air Term. Gowen Fld

$408

Alaska Airlines

May 26

GEG5:00 amSpokane

17h 33m

2 stops

SJO11:33 pmSan José Juan Santamaria Intl

May 31

SJO12:53 amSan José Juan Santamaria Intl

22h 59m

1 stop

GEG10:52 pmSpokane

$413

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Mon 5/4

4:10 pm-12:21 pm

2 stops19h 11m

San José Juan Santamaria Intl

Mon 5/11

8:45 am-9:40 pm

1 stop13h 55m

$400

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Tue 5/26

7:00 am-11:33 pm

1 stop15h 33m

San José Juan Santamaria Intl

Mon 6/1

12:53 am-9:18 pm

2 stops21h 25m

$405

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Tue 5/5

8:10 am-11:45 pm

2 stops15h 35m

San José Juan Santamaria Intl

Wed 5/13

12:53 am-11:58 pm

2 stops23h 05m

$405

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Tue 5/26

7:00 am-11:33 pm

1 stop15h 33m

San José Juan Santamaria Intl

Mon 6/1

12:53 am-10:52 pm

1 stop22h 59m

$408

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Tue 7/14

1:57 pm-11:56 am

2 stops20h 59m

San José Juan Santamaria Intl

Thu 7/23

11:41 pm-8:45 pm

1 stop22h 04m

$456

JacksonSan José

JAC - SJO

JACSJO

Jackson Hole

Tue 4/21

1:25 pm-11:07 am

2 stops21h 42m

San José Juan Santamaria Intl

Tue 4/28

12:10 pm-12:41 pm

2 stops24h 31m

$505

Quickest round-trip

JacksonSan José

JAC - SJO

JACSJO

Jackson Hole

Wed 9/9

4:25 pm-12:21 pm

2 stops19h 56m

San José Juan Santamaria Intl

Tue 10/6

7:55 am-9:02 pm

2 stops13h 07m

$542

JacksonSan José

JAC - SJO

JACSJO

Jackson Hole

Wed 9/9

4:25 pm-12:21 pm

2 stops19h 56m

San José Juan Santamaria Intl

Mon 10/5

8:37 am-1:57 pm

1 stop29h 20m

$550

JacksonSan José

JAC - SJO

JACSJO

Jackson Hole

Wed 9/9

12:53 pm-1:58 pm

1 stop25h 05m

San José Juan Santamaria Intl

Tue 10/6

1:05 pm-11:54 am

2 stops22h 49m

$600

HaileySan José

SUN - SJO

SUNSJO

Hailey Sun Valley-Friedman

Thu 6/18

10:20 am-2:08 pm

2 stops27h 48m

San José Juan Santamaria Intl

Fri 6/26

2:09 pm-9:38 am

2 stops19h 29m

$826

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 $331, 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 $399.

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 weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $543 when searching weeks 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 $375 on momondo.

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

You could potentially save up to 32% 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 19m
Direct flights	None

The fastest flight from Idaho to Costa Rica takes 8h 19m

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

Search flight deals

Frequently asked questions about flying from Idaho to Costa Rica

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 April 2026.
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 8,408 reviews	Search Delta flights
American Airlines	PriceFrom $279	Free Cancellation	Rating 7.1 11,573 reviews	Search American Airlines flights
United Airlines	PriceFrom $297	Free Cancellation	Rating 7.4 9,569 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $376	Free Cancellation	Rating 7.9 12,212 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $454	Free Cancellation	Rating 8.0 4,335 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.

An easier way to manage your Costa Rica trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in Costa Rica

Flights to San Joséfrom $183

Flights to Liberiafrom $269

Flights to Limon

Flights to Tamarindo

Flights to Tortuguero

Flights to Golfito

Flights to Tambor

Flights to Buenos Aires, Puntarenas

Cheap flights from Idaho to Costa Rica from $179

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 to Costa Rica departing on 4/21. 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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United Airlines flights from Idaho to Costa Rica

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

Alaska Airlines flights from Idaho to Costa Rica

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

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

What is the cheapest month to fly to Costa Rica?

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

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

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

What airlines fly to Costa Rica?

How long is the flight from Idaho to Costa Rica?

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

Direct flights

Frequently asked questions about flying from Idaho to Costa Rica

Best airlines flying from Idaho to Costa Rica

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

Why use momondo?

An easier way to manage your Costa Rica trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Costa Rica

Popular cities in Costa Rica

Popular flights according to clicks in the last 7 days on momondo

Idaho flight routes

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year

Fly your favorite airline to Costa Rica

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Costa Rica

List of cabin classes available on flights landing in Costa Rica. Availability may vary depending on flight origin and airline.

Complete your trip to Costa Rica

Explore popular destinations other users love

According to popular flight searches on momondo this year