$597+ Cheap flights from Costa Rica to Boise (BOI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — BOI
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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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
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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
Cheapest
Best
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Cheapest flights from Costa Rica to BoiseExplore 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 September 10, 2026.
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 September 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 10/159:16 am -
2 stops24h 40m
Sun 10/188:22 pm -
2 stops23h 29m
Deal found 9/6![Alaska Airlines logo]()
$597
Best flights from Costa Rica to BoiseDiscover 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 10, 2026.
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 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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 10/159:16 am -
2 stops24h 40m
Sun 10/188:22 pm -
2 stops23h 29m
Deal found 9/5![Alaska Airlines logo]()
$597
Last-minute flights from Costa Rica to BoiseDiscover last-minute flight deals from Costa Rica to Boise. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Costa Rica to Boise. Data last updated September 10, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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 10/159:16 am -
2 stops24h 40m
Sun 10/188:22 pm -
2 stops23h 29m
Deal found 9/5![Alaska Airlines logo]()
$597
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $597 (Alaska Airlines) |
Popular in | March |
Cheapest in | November |
Average price | $543 |
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 7,457,451 searches. Data last updated September 10, 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
Cheapest round-trip
Quickest round-trip
LiberiaBoise
LIR Liberia - BOI Boise Air Term. Gowen Fld
LIRBOI
Liberia
Thu 10/15
9:16 am-9:56 am
2 stops24h 40m
Boise Air Term. Gowen Fld
Sun 10/18
8:22 pm-7:51 pm
2 stops23h 29m
$597
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.
LIR-BOI
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
CR0-BOI
LIR-BOI
No data available for this route at this time. Please check back soon.
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 10, 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.
Boarding
7.7
Crew
8.1
Entertainment
7.1
Overall
7.4
Food
6.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Boarding
7.7
Crew
8.1
Entertainment
7.1
Overall
7.4
Food
6.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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.
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
Meridian
Nampa
Caldwell
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Costa Rica and Boise flights
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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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$301 | Average$485 | FlexibilityNo cancel fee | On-time69% |