$625+ Cheap flights from Great Falls (GTF) to Costa Rica
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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — SJO
Oct 28 — Nov 41
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 Great Falls to Costa Rica
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Cheapest flights from Great Falls to Costa RicaExplore the most affordable flight options available from Great Falls to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
Explore the most affordable flight options available from Great Falls to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 28, 2026.
This United Airlines deal was found by Cheapflights users on 9/25. 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.
Fri 11/132:45 pm -
2 stops21h 37m
Wed 11/188:45 am -
2 stops13h 53m
Deal found 9/25![United Airlines logo]()
$676
This Gotogate deal was found by Cheapflights users on 9/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:10 pm -
3 stops38h 25m
Tue 11/171:46 am -
2 stops15h 44m
Deal found 9/25![Multiple Airlines logo]()
$1,215
This Expedia deal was found by Cheapflights users on 9/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:10 pm -
3 stops29h 05m
Wed 11/181:46 am -
2 stops39h 15m
Deal found 9/28![Multiple Airlines logo]()
$1,604
Best flights from Great Falls to Costa RicaDiscover carefully curated flight deals from Great Falls to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
Discover carefully curated flight deals from Great Falls to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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 1/284:08 pm -
2 stops51h 22m
Fri 2/58:33 am -
2 stops31h 55m
Deal found 9/23![Alaska Airlines logo]()
$625
This Delta deal was found by Cheapflights users on 9/24. 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 1/211:10 pm -
2 stops22h 35m
Thu 1/283:25 pm -
2 stops27h 18m
Deal found 9/24![Delta logo]()
$633
This United Airlines deal was found by Cheapflights users on 9/25. 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.
Fri 11/132:45 pm -
2 stops21h 37m
Wed 11/188:45 am -
2 stops13h 53m
Deal found 9/25![United Airlines logo]()
$676
This Gotogate deal was found by Cheapflights users on 9/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:10 pm -
3 stops38h 25m
Tue 11/171:46 am -
2 stops15h 44m
Deal found 9/25![Multiple Airlines logo]()
$1,215
This Alaska Airlines deal was found by Cheapflights users on 9/26. 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 1/214:08 pm -
2 stops51h 22m
Thu 1/288:33 am -
2 stops31h 55m
Deal found 9/26![Alaska Airlines logo]()
$651
This Alaska Airlines deal was found by Cheapflights users on 9/27. 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.
Sat 1/234:08 pm -
2 stops51h 23m
Wed 1/278:33 am -
2 stops31h 55m
Deal found 9/27![Alaska Airlines logo]()
$652
This United Airlines deal was found by Cheapflights users on 9/24. 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.
Thu 1/216:15 am -
2 stops29h 41m
Thu 1/281:00 pm -
1 stop9h 20m
Deal found 9/24![United Airlines logo]()
$743
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Thu 1/146:15 am -
2 stops29h 41m
Thu 1/212:06 pm -
2 stops32h 14m
Deal found 9/27![United Airlines logo]()
$743
This United Airlines deal was found by Cheapflights users on 9/27. 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.
Sat 1/232:25 pm -
2 stops21h 31m
Wed 1/271:00 pm -
1 stop9h 20m
Deal found 9/27![United Airlines logo]()
$743
This Expedia deal was found by Cheapflights users on 9/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:10 pm -
3 stops29h 05m
Wed 11/181:46 am -
2 stops39h 15m
Deal found 9/28![Multiple Airlines logo]()
$1,604
Find flight deals from Great Falls to Costa Rica
Keep the following information in mind while searching for Great Falls to Costa Rica flight deals. Data was last updated September 28, 2026.
Round-trip from | $608 (United Airlines) |
|---|
Cheapflights Fare Finder
Customize your flight search to find flights from Great Falls to Costa Rica 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 28, 2026.
Use the filters below to find and compare flights from Great Falls to Costa Rica that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Great FallsLiberia
GTF Great Falls - LIR Liberia
GTFLIR
Great Falls
Thu 1/28
4:08 pm-8:30 pm
2 stops51h 22m
Liberia
Fri 2/5
8:33 am-3:28 pm
2 stops31h 55m
$625
Great FallsLiberia
GTF Great Falls - LIR Liberia
GTFLIR
Great Falls
Thu 1/21
1:10 pm-12:45 pm
2 stops22h 35m
Liberia
Thu 1/28
3:25 pm-5:43 pm
2 stops27h 18m
$633
Great FallsLiberia
GTF Great Falls - LIR Liberia
GTFLIR
Great Falls
Thu 1/21
4:08 pm-8:30 pm
2 stops51h 22m
Liberia
Thu 1/28
8:33 am-3:28 pm
2 stops31h 55m
$651
Great FallsLiberia
GTF Great Falls - LIR Liberia
GTFLIR
Great Falls
Sat 1/23
4:08 pm-8:31 pm
2 stops51h 23m
Liberia
Wed 1/27
8:33 am-3:28 pm
2 stops31h 55m
$652
Great FallsSan José
GTF Great Falls - SJO San José Juan Santamaria Intl
GTFSJO
Great Falls
Fri 11/13
2:45 pm-1:22 pm
2 stops21h 37m
San José Juan Santamaria Intl
Wed 11/18
8:45 am-9:38 pm
2 stops13h 53m
$676
Great FallsLiberia
GTF Great Falls - LIR Liberia
GTFLIR
Great Falls
Thu 1/21
6:15 am-12:56 pm
2 stops29h 41m
Liberia
Thu 1/28
1:00 pm-9:20 pm
1 stop9h 20m
$743
Great FallsLiberia
GTF Great Falls - LIR Liberia
GTFLIR
Great Falls
Thu 1/14
6:15 am-12:56 pm
2 stops29h 41m
Liberia
Thu 1/21
2:06 pm-9:20 pm
2 stops32h 14m
$743
Quickest round-trip
Great FallsLiberia
GTF Great Falls - LIR Liberia
GTFLIR
Great Falls
Sat 1/23
2:25 pm-12:56 pm
2 stops21h 31m
Liberia
Wed 1/27
1:00 pm-9:20 pm
1 stop9h 20m
$743
Great FallsSan José
GTF Great Falls - SJO San José Juan Santamaria Intl
GTFSJO
Great Falls
Fri 11/13
5:10 pm-8:35 am
3 stops38h 25m
San José Juan Santamaria Intl
Tue 11/17
1:46 am-4:30 pm
2 stops15h 44m
$1,215
Great FallsSan José
GTF Great Falls - SJO San José Juan Santamaria Intl
GTFSJO
Great Falls
Thu 11/12
5:10 pm-11:15 pm
3 stops29h 05m
San José Juan Santamaria Intl
Wed 11/18
1:46 am-4:01 pm
2 stops39h 15m
$1,604
Sorted by cheapest first
Best time to book a flight from Great Falls to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Great Falls with our price prediction graph.
GTF-SJO
GTF-LIR
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 Great Falls to Costa Rica
GTF-CR0
GTF-SJO
GTF-LIR
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Costa Rica
Get insights into the airlines that provide service to Costa Rica. 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 Costa Rica. Reviews last updated September 28, 2026.
See what other customers who have flown with United Airlines from Great Falls to Costa Rica 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
Entertainment
7.1
Food
6.7
Crew
8.1
Comfort
7.3
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Boarding
7.7
Entertainment
7.1
Food
6.7
Crew
8.1
Comfort
7.3
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Related info for your journey
Find useful and relevant information for your journey from Great Falls to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Great Falls to Costa Rica
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Complete your trip
Complete your trip to Costa Rica by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Great Falls to Costa Rica by cabin class
Find flights from Great Falls to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Great Falls and Costa Rica flights
Browse other Great Falls and Costa Rica flight options. Last updated on September 28, 2026.
Popular flight searches
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Top airline flying from Great Falls to Costa Rica
Discover the top airline that operate flights from Great Falls to Costa Rica. 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 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$452 | Average$732 | FlexibilityNo cancel fee | On-time69% |