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$412+ Cheap flights from Costa Rica to Boise (BOI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BOI
Jun 21 — Jun 281
Sun 6/21
Sun 6/28
1 adult, Economy
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Cheap flight deals from Costa Rica to Boise

Cheapest flights from Costa Rica to Boise
Explore the most affordable flight options available from Costa Rica to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 22, 2026.

This American Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1712:35 pm
LIR
-
BOI
2 stops22h 43m
American Airlines
Tue 6/233:12 pm
BOI
-
LIR
2 stops20h 10m
American Airlines
Deal found 5/19$732
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/173:27 pm
LIR
-
BOI
2 stops18h 18m
United Airlines
Tue 6/236:30 am
BOI
-
LIR
1 stop8h 49m
United Airlines
Deal found 5/19$898
This Alaska Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/179:03 am
LIR
-
BOI
1 stop13h 42m
Alaska Airlines
Tue 6/236:51 pm
BOI
-
LIR
1 stop11h 46m
Alaska Airlines
Deal found 5/19$991

Find flight deals from Costa Rica to Boise

Keep the following information in mind while searching for Costa Rica to Boise flight deals. Data was last updated May 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$732
(American Airlines)

One-way from

$412
(United Airlines)

Popular in

March

Cheapest in

July

Average price

$507
Provider with most accurate pricing for San José Juan Santamaria Intl-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Boise Air Term. Gowen Fld flights.
Search Deals
From Costa Rica to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Costa Rica to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($160 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Costa Rica to Boise 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, Cheapflights users made 2,558,603 searches. Data last updated May 22, 2026.
Use the filters below to find and compare flights from Costa Rica to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LiberiaBoise

LIR - BOI

LIRBOI

Liberia

Wed 6/17

3:27 pm-9:45 am

2 stops18h 18m

Boise Air Term. Gowen Fld

Tue 6/23

6:30 am-3:19 pm

1 stop8h 49m

$898
Quickest round-trip

LiberiaBoise

LIR - BOI

LIRBOI

Liberia

Wed 6/17

9:03 am-10:45 pm

1 stop13h 42m

Boise Air Term. Gowen Fld

Tue 6/23

6:51 pm-6:37 am

1 stop11h 46m

$991
Cheapest one-way

LiberiaBoise

LIR - BOI

LIRBOI

Liberia

Tue 6/2

1:20 pm-4:44 pm

2 stops27h 24m

$412
Quickest one-way

LiberiaBoise

LIR - BOI

LIRBOI

Liberia

Sun 6/21

3:27 pm-5:56 pm

2 stops26h 29m

$498

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/19

Sorted by cheapest first

Best time to book a flight from Costa Rica to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Costa Rica with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Costa Rica to Boise

What is the cheapest month to book a flight from Costa Rica to Boise?

Currently, August is the cheapest month in which you can book a flight from Costa Rica to Boise (average of $274). Flying from Costa Rica to Boise in January is currently the most expensive (average of $706). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boise. Reviews last updated May 22, 2026.
See what other customers who have flown with United Airlines from Costa Rica to Boise have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,751 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,751 reviews
United Airlines
7.4
Good
9,751 reviews

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

Related info for your journey

Find useful and relevant information for your journey from Costa Rica to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boise from Costa Rica?

    Boise Air Term. Gowen Fld (BOI), located 3.3 mi from the city center, is the airport you fly into when you book flights from Costa Rica to Boise.

  • How long is the flight from Costa Rica to Boise?

    Airlines like United Airlines and Alaska Airlines fly from Costa Rica to Boise in about 13h 42m. The time it takes to get you to your destination can typically vary by up to 4h 36m. The distance between Costa Rica and Boise is about 2923 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Costa Rica to Boise that include hotel bookings?

    Yes. In addition to deals on Costa Rica to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Costa Rica to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Costa Rica to Boise.

  • Can I find deals for business class flights from Costa Rica to Boise?

    Yes. Cheapflights offers flight deals from Costa Rica to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Costa Rica to Boise?

    Currently, August is the cheapest month in which you can book a flight from Costa Rica to Boise (average of $274). Flying from Costa Rica to Boise in January is currently the most expensive (average of $706). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Meridian
Nampa
Caldwell
Ontario
McCall

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Alternative routes for Costa Rica to Boise

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Costa Rica to Boise

Discover the top airline that operate flights from Costa Rica to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$301Average$448FlexibilityNo cancel feeOn-time69%

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