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 47% 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.

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

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

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 10m on average. On the other hand, flying from Hailey to San José takes 19h 33m 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 May 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.

$184 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.

7:05 am - 11:15 pm

BOI

SJO

16h 10m

2 stops

5:45 am - 11:00 pm

SJO

BOI

17h 15m

2 stops

$394Multiple Airlines

Thu, Aug 20 - Thu, Aug 27

7:00 am - 11:15 pm

BOI

SJO

15h 15m

2 stops

6:00 am - 10:55 pm

SJO

BOI

17h 55m

2 stops

$426Multiple Airlines

Tue, Nov 17 - Tue, Dec 1

12:45 pm - 11:05 am

GEG

SJO

21h 20m

2 stops

7:00 am - 11:02 pm

SJO

GEG

17h 02m

2 stops

$465American Airlines

Wed, Sep 16 - Wed, Sep 23

12:45 pm - 11:05 am

GEG

SJO

21h 20m

2 stops

6:20 am - 11:08 pm

SJO

GEG

18h 48m

2 stops

$475American Airlines

Thu, Oct 15 - Tue, Dec 15

7:38 pm - 11:08 pm

GEG

SJO

25h 30m

2 stops

1:43 am - 12:17 pm

SJO

GEG

12h 34m

1 stop

$510Alaska Airlines

Mon, Nov 9 - Fri, Nov 13

7:30 pm - 11:08 pm

GEG

SJO

25h 38m

2 stops

1:43 am - 9:31 pm

SJO

GEG

21h 48m

2 stops

$511Alaska Airlines

Mon, Nov 9 - Fri, Nov 13

12:30 pm - 11:25 am

GEG

SJO

20h 55m

2 stops

9:40 am - 11:38 pm

SJO

GEG

15h 58m

1 stop

$555United Airlines

Sat, Nov 14 - Tue, Nov 17

4:25 pm - 10:25 am

JAC

SJO

18h 00m

2 stops

1:20 pm - 11:03 am

SJO

JAC

21h 43m

2 stops

$555United Airlines

Tue, Oct 27 - Sat, Oct 31

7:30 am - 1:05 pm

SUN

SJO

28h 35m

2 stops

2:30 pm - 12:45 pm

SJO

SUN

23h 15m

2 stops

$653Delta

Mon, Nov 16 - Wed, Dec 2

1:20 pm - 1:05 pm

SUN

SJO

22h 45m

2 stops

7:00 am - 12:45 pm

SJO

SUN

30h 45m

2 stops

$752Delta

Tue, Nov 17 - Wed, Dec 2

American Airlines flights from Idaho to Costa Rica

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

American Airlines

Sep 16

GEG12:45 pmSpokane

21h 20m

2 stops

SJO11:05 amSan José Juan Santamaria Intl

Sep 23

SJO7:00 amSan José Juan Santamaria Intl

17h 02m

2 stops

GEG11:02 pmSpokane

$465

American Airlines

Oct 15

GEG12:45 pmSpokane

21h 20m

2 stops

SJO11:05 amSan José Juan Santamaria Intl

Dec 15

SJO6:20 amSan José Juan Santamaria Intl

18h 48m

2 stops

GEG11:08 pmSpokane

$475

American Airlines

Aug 13

BOI2:49 pmBoise Air Term. Gowen Fld

20h 45m

2 stops

SJO11:34 amSan José Juan Santamaria Intl

Aug 23

SJO2:52 pmSan José Juan Santamaria Intl

20h 35m

2 stops

BOI11:27 amBoise Air Term. Gowen Fld

$480

Aeromexico flights from Idaho to Costa Rica

Our best Aeromexico deals on Idaho to Costa Rica flight tickets

Aeromexico

Jul 2

GEG11:15 amSpokane

47h 55m

2 stops

SJO12:10 pmSan José Juan Santamaria Intl

Jul 14

SJO7:30 amSan José Juan Santamaria Intl

41h 25m

3 stops

GEG11:55 pmSpokane

$612

Aeromexico

Jul 14

GEG7:00 amSpokane

15h 43m

2 stops

SJO11:43 pmSan José Juan Santamaria Intl

Jul 23

SJO1:28 pmSan José Juan Santamaria Intl

35h 27m

3 stops

GEG11:55 pmSpokane

$614

Aeromexico

Jul 14

GEG7:00 amSpokane

15h 43m

2 stops

SJO11:43 pmSan José Juan Santamaria Intl

Jul 23

SJO7:30 amSan José Juan Santamaria Intl

33h 17m

3 stops

GEG3:47 pmSpokane

$615

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Thu 8/20

7:05 am-11:15 pm

2 stops16h 10m

San José Juan Santamaria Intl

Thu 8/27

5:45 am-11:00 pm

2 stops17h 15m

$394

Quickest round-trip

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Tue 11/17

7:00 am-11:15 pm

2 stops15h 15m

San José Juan Santamaria Intl

Tue 12/1

6:00 am-10:55 pm

2 stops17h 55m

$426

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Wed 9/16

12:45 pm-11:05 am

2 stops21h 20m

San José Juan Santamaria Intl

Wed 9/23

7:00 am-11:02 pm

2 stops17h 02m

$465

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Thu 10/15

12:45 pm-11:05 am

2 stops21h 20m

San José Juan Santamaria Intl

Tue 12/15

6:20 am-11:08 pm

2 stops18h 48m

$475

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Mon 11/9

7:38 pm-11:08 pm

2 stops25h 30m

San José Juan Santamaria Intl

Fri 11/13

1:43 am-12:17 pm

1 stop12h 34m

$510

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Mon 11/9

7:30 pm-11:08 pm

2 stops25h 38m

San José Juan Santamaria Intl

Fri 11/13

1:43 am-9:31 pm

2 stops21h 48m

$511

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Sat 11/14

12:30 pm-11:25 am

2 stops20h 55m

San José Juan Santamaria Intl

Tue 11/17

9:40 am-11:38 pm

1 stop15h 58m

$555

JacksonSan José

JAC - SJO

JACSJO

Jackson Hole

Tue 10/27

4:25 pm-10:25 am

2 stops18h 00m

San José Juan Santamaria Intl

Sat 10/31

1:20 pm-11:03 am

2 stops21h 43m

$555

HaileySan José

SUN - SJO

SUNSJO

Hailey Sun Valley-Friedman

Mon 11/16

7:30 am-1:05 pm

2 stops28h 35m

San José Juan Santamaria Intl

Wed 12/2

2:30 pm-12:45 pm

2 stops23h 15m

$653

HaileySan José

SUN - SJO

SUNSJO

Hailey Sun Valley-Friedman

Tue 11/17

1:20 pm-1:05 pm

2 stops22h 45m

San José Juan Santamaria Intl

Wed 12/2

7:00 am-12:45 pm

2 stops30h 45m

$752

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 October. Flight prices, which tend to average around $141, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in October, then February is your next best option. Flight prices from Idaho to Costa Rica during February average around $228.

How far in advance should I book a flight from Idaho 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 $558 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 $377 on momondo.

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

You could potentially save up to 5% 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 49m
Direct flights	None

The fastest flight from Idaho to Costa Rica takes 8h 49m

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 May 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 8,436 reviews	Search Delta flights
American Airlines	PriceFrom $279	Free Cancellation	Rating 7.1 11,631 reviews	Search American Airlines flights
United Airlines	PriceFrom $315	Free Cancellation	Rating 7.4 9,749 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $376	Free Cancellation	Rating 7.9 12,407 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $477	Free Cancellation	Rating 7.9 4,271 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 $278

Flights to Liberiafrom $292

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Cheap flights from Idaho to Costa Rica from $184

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 10/5. 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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American Airlines flights from Idaho to Costa Rica

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

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Our best Aeromexico 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 from Idaho 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