HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boise

$379+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BOI
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Costa Rica to Boise with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 September 17, 2025.

Round-trip from

$454
(Alaska Airlines)

One-way from

$379
(Delta)

Popular in

November

Cheapest in

July

Average price

$497
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 ($163 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Costa Rica to Boise

Best flights from Costa Rica to Boise
Discover carefully curated flight deals from Costa Rica to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 3/57:45 pmLIR - BOI
1 stop17h 19mAlaska Airlines
Mon 3/97:00 pmBOI - LIR
1 stop11h 20mAlaska Airlines
Deal found 9/14$454
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/53:55 pmLIR - BOI
2 stops23h 14mDelta
Mon 3/911:30 pmBOI - LIR
1 stop12h 20mDelta
Deal found 9/14$459

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 September 17, 2025.
Use the filters below to find and compare flights from Costa Rica to Boise that are best for you.

Fly from

Costa Rica

Fly to

Boise

Route

Depart

Return

Price

LiberiaBoise

LIR - BOI

LIRBOI

Liberia

Thu 3/5

7:45 pm-12:04 pm

1 stop17h 19m

Boise Air Term. Gowen Fld

Mon 3/9

7:00 pm-6:20 am

1 stop11h 20m

$454

LiberiaBoise

LIR - BOI

LIRBOI

Liberia

Thu 3/5

3:55 pm-2:09 pm

2 stops23h 14m

Boise Air Term. Gowen Fld

Mon 3/9

11:30 pm-11:50 am

1 stop12h 20m

$459

LiberiaBoise

LIR - BOI

LIRBOI

Liberia

Wed 9/24

1:25 pm-3:04 pm

2 stops25h 39m

$379

LiberiaBoise

LIR - BOI

LIRBOI

Liberia

Wed 9/24

11:20 am-10:54 pm

1 stop11h 34m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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, October is the cheapest month in which you can book a flight from Costa Rica to Boise (average of $314). Flying from Costa Rica to Boise in June is currently the most expensive (average of $398). 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.

What is the cheapest time of day to fly from CR to BOI?

Find hourly flight availability from Costa Rica to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Costa Rica to Boise as you normally would.

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 September 17, 2025.
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
8,926 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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 Alaska Airlines and Delta fly from Costa Rica to Boise in about 17h 19m. The time it takes to get you to your destination can typically vary by up to 5h 55m. 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, October is the cheapest month in which you can book a flight from Costa Rica to Boise (average of $314). Flying from Costa Rica to Boise in June is currently the most expensive (average of $398). 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
Ontario
Meridian
Nampa
Caldwell
McCall

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$311Average$396FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.