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Costa Rica

$636+ 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
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
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Cheap flight deals from Great Falls to Costa Rica

Cheapest flights from Great Falls to Costa Rica
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 August 1, 2026.

This United Airlines deal was found by Cheapflights users on 7/29. 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 10/316:30 am
GTF
-
LIR
1 stop8h 40m
United Airlines
Wed 11/412:50 pm
LIR
-
GTF
1 stop9h 48m
United Airlines
Deal found 7/29$740

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 August 1, 2026.

Round-trip from

$636
(Alaska Airlines)
From Great Falls to Costa Rica
Search Deals

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 2,558,603 searches. Data last updated August 1, 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

Price

Cheapest round-trip

Great FallsLiberia

GTF - LIR

GTFLIR

Great Falls

Thu 1/28

4:55 pm-6:25 pm

2 stops24h 30m

Liberia

Fri 2/5

10:00 am-4:13 pm

2 stops55h 13m

$636
Quickest round-trip

Great FallsLiberia

GTF - LIR

GTFLIR

Great Falls

Sat 10/31

6:30 am-3:10 pm

1 stop8h 40m

Liberia

Wed 11/4

12:50 pm-9:38 pm

1 stop9h 48m

$740

Great FallsLiberia

GTF - LIR

GTFLIR

Great Falls

Thu 1/28

6:15 am-4:08 pm

1 stop8h 53m

Liberia

Fri 2/5

12:50 pm-1:29 pm

1 stop25h 39m

$745

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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.
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

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 August 1, 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.
United Airlines
7.4
Good
10,062 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.7

Boarding

7.7

Reviews

1 / 20
6.0
Good

Dawn,Jul 2026

ORD - GRR

The crew aboard the plane were not very friendly. They definitely acted like it was a chore to be there.
United Airlines
7.4
Good
10,062 reviews
United Airlines
7.4
Good
10,062 reviews

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Food

6.7

Boarding

7.7

Reviews

1 / 20
6.0
Good

Dawn,Jul 2026

ORD - GRR

The crew aboard the plane were not very friendly. They definitely acted like it was a chore to be there.

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.

  • What airport do you fly from for flights from Great Falls to Costa Rica?

    For a flight from Great Falls to Costa Rica, you will be flying from Great Falls. Great Falls (GTF) is just 3.5 mi from the center of the city.

  • How long is the flight from Great Falls to Costa Rica?

    A quick flight from Great Falls to Costa Rica can take about 8h 40m. Alaska Airlines provides one of the quickest options available for as low as $740. The distance between Great Falls and Costa Rica is about 2957 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

See more FAQs

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Alternative routes for Great Falls to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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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 2,558,603 searches. Data last updated August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$452Average$732FlexibilityNo cancel feeOn-time69%

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