HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Costa Rica

$161+ Cheap flights from Montana to Costa Rica

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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJO
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Montana to Costa Rica 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 Montana to Costa Rica

Keep the following information in mind while searching for Montana to Costa Rica flight deals. Data was last updated April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$349
(Alaska Airlines)

One-way from

$161
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$780
Provider with most accurate pricing for Bozeman Gallatin Field-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-San José Juan Santamaria Intl flights.
Search Deals
From Montana to Costa Rica
Search Deals
One-way flight from Montana to Costa Rica
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Montana to Costa Rica

Cheapest flights from Montana to Costa Rica
Explore the most affordable flight options available from Montana to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 5/175:45 amMSO - SJO
2 stops18h 01mAlaska Airlines
Fri 5/301:06 amSJO - MSO
2 stops23h 00mAlaska Airlines
Deal found 4/23$349
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 5/161:27 pmBZN - SJO
2 stops34h 19mAlaska Airlines
Fri 5/231:06 amSJO - BZN
2 stops22h 45mAlaska Airlines
Deal found 4/23$360
This United Airlines deal was found by Cheapflights users on 4/22. 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 6/73:54 pmBZN - SJO
2 stops27h 43mUnited Airlines
Sat 6/146:00 amSJO - BZN
1 stop15h 39mUnited Airlines
Deal found 4/22$442
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/97:42 amBZN - SJO
1 stop10h 03mAmerican Airlines
Sun 8/177:40 amSJO - BZN
1 stop10h 59mAmerican Airlines
Deal found 4/23$481
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 5/315:32 amBZN - LIR
2 stops24h 48mAlaska Airlines
Wed 6/411:20 amLIR - BZN
2 stops13h 01mAlaska Airlines
Deal found 4/23$503
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/176:20 amMSO - SJO
1 stop14h 55mUnited Airlines
Sat 5/316:00 amSJO - MSO
2 stops15h 21mUnited Airlines
Deal found 4/23$509
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Wed 7/25:00 amBIL - SJO
2 stops17h 39mUnited Airlines
Wed 7/95:30 amSJO - BIL
2 stops15h 33mUnited Airlines
Deal found 4/24$543
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Tue 6/175:44 pmBZN - LIR
2 stops16h 16mUnited Airlines
Tue 7/83:25 pmLIR - BZN
2 stops21h 09mUnited Airlines
Deal found 4/24$571
This United Airlines deal was found by Cheapflights users on 4/24. 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.
Wed 7/25:55 pmBIL - LIR
2 stops16h 05mUnited Airlines
Mon 7/73:25 pmLIR - BIL
2 stops18h 13mUnited Airlines
Deal found 4/24$593
This American Airlines deal was found by Cheapflights users on 4/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/173:59 pmBZN - LIR
2 stops21h 16mAmerican Airlines
Tue 7/83:45 pmLIR - BZN
1 stop27h 39mAmerican Airlines
Deal found 4/24$595
This United Airlines deal was found by Cheapflights users on 4/24. 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 5/110:25 amBTM - LIR
2 stops25h 45mUnited Airlines
Sun 5/411:49 amLIR - BTM
1 stop10h 41mUnited Airlines
Deal found 4/24$609
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/711:31 amBZN - SJO
3 stops22h 56mMultiple Airlines
Sat 6/1412:28 pmSJO - BZN
2 stops25h 16mMultiple Airlines
Deal found 4/22$643

Cheapflights Fare Finder

Customize your flight search to find flights from Montana 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 April 24, 2025.
Use the filters below to find and compare flights from Montana to Costa Rica that are best for you.

Fly from

Montana

Fly to

Costa Rica

Route

Depart

Return

Price

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sat 5/17

5:45 am-11:46 pm

2 stops18h 01m

San José Juan Santamaria Intl

Fri 5/30

1:06 am-12:06 am

2 stops23h 00m

$349

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Fri 5/16

1:27 pm-11:46 pm

2 stops34h 19m

San José Juan Santamaria Intl

Fri 5/23

1:06 am-11:51 pm

2 stops22h 45m

$360

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Sat 6/7

3:54 pm-7:37 pm

2 stops27h 43m

San José Juan Santamaria Intl

Sat 6/14

6:00 am-9:39 pm

1 stop15h 39m

$442

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Sat 8/9

7:42 am-5:45 pm

1 stop10h 03m

San José Juan Santamaria Intl

Sun 8/17

7:40 am-6:39 pm

1 stop10h 59m

$481

BozemanLiberia

BZN - LIR

BZNLIR

Bozeman Gallatin Field

Sat 5/31

5:32 am-6:20 am

2 stops24h 48m

Liberia

Wed 6/4

11:20 am-12:21 am

2 stops13h 01m

$503

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sat 5/17

6:20 am-9:15 pm

1 stop14h 55m

San José Juan Santamaria Intl

Sat 5/31

6:00 am-9:21 pm

2 stops15h 21m

$509

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Wed 7/2

5:00 am-10:39 pm

2 stops17h 39m

San José Juan Santamaria Intl

Wed 7/9

5:30 am-9:03 pm

2 stops15h 33m

$543

BozemanLiberia

BZN - LIR

BZNLIR

Bozeman Gallatin Field

Tue 6/17

5:44 pm-10:00 am

2 stops16h 16m

Liberia

Tue 7/8

3:25 pm-12:34 pm

2 stops21h 09m

$571

BillingsLiberia

BIL - LIR

BILLIR

Billings Logan Intl

Wed 7/2

5:55 pm-10:00 am

2 stops16h 05m

Liberia

Mon 7/7

3:25 pm-9:38 am

2 stops18h 13m

$593

BozemanLiberia

BZN - LIR

BZNLIR

Bozeman Gallatin Field

Tue 6/17

3:59 pm-1:15 pm

2 stops21h 16m

Liberia

Tue 7/8

3:45 pm-7:24 pm

1 stop27h 39m

$595

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 28 results
1
2
3

Best time to book a flight from Montana to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Montana 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 Montana to Costa Rica

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

Currently, September is the cheapest month in which you can book a flight from Montana to Costa Rica (average of $398). Flying from Montana to Costa Rica in March is currently the most expensive (average of $555). 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 MT to CR?

Find hourly flight availability from Montana to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

When flying from Montana to Costa Rica, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 in.

Temperature in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

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 April 24, 2025.
To help decide which airline to fly from Montana to Costa Rica, see what other customers have to say about Alaska Airlines, Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,918 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Montana 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 are the cheapest airlines to fly from Montana to Costa Rica one-way?

    The cheapest airlines for a one-way flight from Montana to Costa Rica are Alaska Airlines ($161), United Airlines ($290), and American Airlines ($296).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montana 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.

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

    Currently, September is the cheapest month in which you can book a flight from Montana to Costa Rica (average of $398). Flying from Montana to Costa Rica in March is currently the most expensive (average of $555). 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

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.

Alternative routes for Montana to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Panama City flights
Newark to San José flights
John F Kennedy Intl to San José flights
Newark to Panama City flights
Los Angeles to San Salvador flights
Los Angeles to Guatemala City flights
Los Angeles to San José flights
John F Kennedy Intl to San Salvador flights
Dallas/Fort Worth to San Salvador flights
Dulles Intl to San Salvador flights
Hobby to San Salvador flights
Dulles Intl to Panama City flights
Miami to Panama City flights
LaGuardia to San José flights
John F Kennedy Intl to Guatemala City flights
George Bush Intcntl to San Salvador flights
San Francisco to San José flights
Newark to Guatemala City flights
LaGuardia to Panama City flights
Newark to Liberia flights
John F Kennedy Intl to Liberia flights
Los Angeles to Liberia flights
Atlanta to San José flights
Dallas/Fort Worth to Panama City flights
Fort Lauderdale to San José flights
Dulles Intl to Guatemala City flights
Reagan-National to San Salvador flights
Los Angeles to Panama City flights
Orlando to Panama City flights
Hobby to San José flights
Hobby to Guatemala City flights
O'Hare Intl to Panama City flights
Baltimore to San Salvador flights
Dulles Intl to San José flights
Orlando to San José flights
George Bush Intcntl to San José flights
Dallas/Fort Worth to San José flights
George Bush Intcntl to Guatemala City flights
Miami to San Salvador flights
LaGuardia to Guatemala City flights
Atlanta to Guatemala City flights
Newark to San Salvador flights
LaGuardia to Liberia flights
Ontario to Guatemala City flights
Ontario to San Salvador flights
Baltimore to San José flights
Boston to San José flights
Los Angeles to Philip S.W.Goldson flights
Atlanta to Panama City flights
O'Hare Intl to San José flights

Top 4 airlines flying from Montana to Costa Rica

Discover the top 4 airlines that operate flights from Montana 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$390Average$809FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$410Average$552FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$453Average$704FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$485Average$692FlexibilityNo cancel feeOn-time63%

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.