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 11h 52m on average. On the other hand, flying from Idaho Falls to San José takes 18h 42m 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 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.

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

United Airlines and Southwest are the most popular carriers operating 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 July 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.

$178 Cheap Flights from Idaho to Costa Rica in 2026

Discover deals from 900+ travel sites with momondo.

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.

5:00 am - 8:07 pm

GEG

SJO

14h 07m

2 stops

6:00 am - 8:25 pm

SJO

GEG

15h 25m

2 stops

$399American Airlines

Wed, Sep 16 - Wed, Sep 23

3:21 pm - 12:59 pm

BOI

SJO

21h 38m

2 stops

2:57 pm - 2:31 pm

SJO

BOI

23h 34m

2 stops

$399American Airlines

Mon, Sep 14 - Tue, Sep 29

3:24 pm - 12:00 pm

BOI

SJO

20h 36m

2 stops

2:39 pm - 12:38 pm

SJO

BOI

22h 59m

1 stop

$408American Airlines

Sun, Oct 25 - Tue, Nov 3

7:00 am - 11:15 pm

BOI

SJO

15h 15m

2 stops

5:45 am - 10:55 pm

SJO

BOI

18h 10m

2 stops

$450Multiple Airlines

Sat, Nov 14 - Sat, Nov 21

6:57 pm - 8:45 am

BOI

SJO

13h 48m

2 stops

5:45 am - 10:57 pm

SJO

BOI

17h 12m

2 stops

$452Multiple Airlines

Fri, Oct 16 - Sun, Oct 25

6:50 pm - 7:15 am

BOI

SJO

12h 25m

1 stop

7:30 am - 9:30 pm

SJO

BOI

15h 00m

1 stop

$480United Airlines

Fri, Oct 23 - Sun, Nov 1

6:30 am - 2:00 pm

GEG

SJO

30h 30m

2 stops

3:01 pm - 8:43 pm

SJO

GEG

30h 42m

2 stops

$486GOL

Tue, Oct 13 - Sun, Oct 18

7:00 am - 11:25 am

GEG

SJO

26h 25m

2 stops

8:45 am - 12:40 pm

SJO

GEG

29h 55m

2 stops

$506United Airlines

Sun, Nov 1 - Wed, Dec 2

5:47 pm - 6:22 am

GEG

LIR

10h 35m

1 stop

11:22 am - 10:25 pm

LIR

GEG

13h 03m

1 stop

$580Alaska Airlines

Mon, Dec 7 - Fri, Dec 11

8:40 am - 6:22 am

GEG

LIR

19h 42m

2 stops

11:22 am - 10:25 pm

LIR

GEG

13h 03m

1 stop

$585Alaska Airlines

Mon, Dec 7 - Fri, Dec 11

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Alaska Airlines flights from Idaho to Costa Rica

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

Alaska Airlines

Dec 7

GEG5:47 pmSpokane

10h 35m

1 stop

LIR6:22 amLiberia

Dec 11

LIR11:22 amLiberia

13h 03m

1 stop

GEG10:25 pmSpokane

$580

Alaska Airlines

Dec 7

GEG5:00 amSpokane

23h 22m

2 stops

LIR6:22 amLiberia

Dec 11

LIR11:22 amLiberia

13h 35m

2 stops

GEG10:57 pmSpokane

$585

Alaska Airlines

Dec 3

BOI6:51 pmBoise Air Term. Gowen Fld

10h 31m

1 stop

LIR6:22 amLiberia

Dec 10

LIR11:22 amLiberia

12h 33m

1 stop

BOI10:55 pmBoise Air Term. Gowen Fld

$600

American Airlines flights from Idaho to Costa Rica

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

American Airlines

Sep 14

BOI3:21 pmBoise Air Term. Gowen Fld

21h 38m

2 stops

SJO12:59 pmSan José Juan Santamaria Intl

Sep 29

SJO2:57 pmSan José Juan Santamaria Intl

23h 34m

2 stops

BOI2:31 pmBoise Air Term. Gowen Fld

$399

American Airlines

Oct 25

BOI3:24 pmBoise Air Term. Gowen Fld

20h 36m

2 stops

SJO12:00 pmSan José Juan Santamaria Intl

Nov 3

SJO2:39 pmSan José Juan Santamaria Intl

22h 59m

1 stop

BOI12:38 pmBoise Air Term. Gowen Fld

$408

American Airlines

Nov 9

GEG2:15 pmSpokane

20h 07m

2 stops

SJO12:22 pmSan José Juan Santamaria Intl

Nov 14

SJO3:11 pmSan José Juan Santamaria Intl

24h 10m

2 stops

GEG1:21 pmSpokane

$429

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Wed 9/16

5:00 am-8:07 pm

2 stops14h 07m

San José Juan Santamaria Intl

Wed 9/23

6:00 am-8:25 pm

2 stops15h 25m

$399

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Mon 9/14

3:21 pm-12:59 pm

2 stops21h 38m

San José Juan Santamaria Intl

Tue 9/29

2:57 pm-2:31 pm

2 stops23h 34m

$399

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Sun 10/25

3:24 pm-12:00 pm

2 stops20h 36m

San José Juan Santamaria Intl

Tue 11/3

2:39 pm-12:38 pm

1 stop22h 59m

$408

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Sat 11/14

7:00 am-11:15 pm

2 stops15h 15m

San José Juan Santamaria Intl

Sat 11/21

5:45 am-10:55 pm

2 stops18h 10m

$450

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Fri 10/16

6:57 pm-8:45 am

2 stops13h 48m

San José Juan Santamaria Intl

Sun 10/25

5:45 am-10:57 pm

2 stops17h 12m

$452

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Fri 10/23

6:50 pm-7:15 am

1 stop12h 25m

San José Juan Santamaria Intl

Sun 11/1

7:30 am-9:30 pm

1 stop15h 00m

$480

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Tue 10/13

6:30 am-2:00 pm

2 stops30h 30m

San José Juan Santamaria Intl

Sun 10/18

3:01 pm-8:43 pm

2 stops30h 42m

$486

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Sun 11/1

7:00 am-11:25 am

2 stops26h 25m

San José Juan Santamaria Intl

Wed 12/2

8:45 am-12:40 pm

2 stops29h 55m

$506

Quickest round-trip

SpokaneLiberia

GEG - LIR

GEGLIR

Spokane

Mon 12/7

5:47 pm-6:22 am

1 stop10h 35m

Liberia

Fri 12/11

11:22 am-10:25 pm

1 stop13h 03m

$580

SpokaneLiberia

GEG - LIR

GEGLIR

Spokane

Mon 12/7

8:40 am-6:22 am

2 stops19h 42m

Liberia

Fri 12/11

11:22 am-10:25 pm

1 stop13h 03m

$585

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 $570 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 $394 on momondo.

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 08m
Direct flights	None

The fastest flight from Idaho to Costa Rica takes 8h 08m

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 July 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 7.8 8,458 reviews	Search Delta flights
American Airlines	PriceFrom $279	Free Cancellation	Rating 7.1 11,802 reviews	Search American Airlines flights
United Airlines	PriceFrom $315	Free Cancellation	Rating 7.4 9,968 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $371	Free Cancellation	Rating 7.9 12,650 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $454	Free Cancellation	Rating 7.9 4,248 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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Flights to San Joséfrom $256

Flights to Liberiafrom $288

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Cheap flights from Idaho to Costa Rica from $178

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 11/10. 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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Alaska Airlines flights from Idaho to Costa Rica

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

American Airlines flights from Idaho to Costa Rica

Our best American 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 from Idaho to Costa Rica?

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

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

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According to popular flight searches on momondo this year