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$133+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJO
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 September 16, 2025.

Round-trip from

$298
(United Airlines)

One-way from

$133
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$692
From Montana to Costa Rica
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One-way flight from Montana to Costa Rica
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Highest demand for flights based on searches. 2% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 16, 2025.

This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/14:35 pmBZN - SJO
2 stops18h 50mUnited Airlines
Sat 11/87:30 amSJO - BZN
1 stop9h 00mUnited Airlines
Deal found 9/14$298
This United Airlines deal was found by Cheapflights users on 9/13. 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 11/122:31 pmBIL - SJO
2 stops19h 54mUnited Airlines
Wed 11/198:45 amSJO - BIL
2 stops13h 33mUnited Airlines
Deal found 9/13$302
This SmartFares deal was found by Cheapflights users on 9/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:19 pmBIL - SJO
2 stops28h 19mAlaska Airlines
Tue 11/181:55 amSJO - BIL
2 stops17h 44mAlaska Airlines
Deal found 9/13$328
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/315:10 amBZN - SJO
2 stops42h 41mAlaska Airlines
Thu 11/61:55 amSJO - BZN
2 stops45h 44mAlaska Airlines
Deal found 9/16$351
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 10/308:00 amMSO - SJO
2 stops27h 58mDelta
Sat 11/157:00 amSJO - MSO
2 stops15h 24mDelta
Deal found 9/14$379
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.
Wed 10/295:10 amBZN - SJO
2 stops18h 41mAlaska Airlines
Tue 11/41:55 amSJO - BZN
2 stops14h 27mAlaska Airlines
Deal found 9/14$400
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:46 pmBZN - SJO
2 stops21h 35mAmerican Airlines
Wed 12/173:38 pmSJO - BZN
2 stops22h 08mAmerican Airlines
Deal found 9/14$402
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/305:10 pmMSO - SJO
2 stops17h 15mUnited Airlines
Sat 11/157:30 amSJO - MSO
1 stop9h 31mUnited Airlines
Deal found 9/14$403
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/21:52 pmBZN - SJO
1 stop8h 07mAmerican Airlines
Sat 11/86:22 amSJO - BZN
1 stop31h 39mAmerican Airlines
Deal found 9/14$407
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 11/122:00 pmBIL - SJO
2 stops21h 22mAmerican Airlines
Wed 11/192:59 pmSJO - BIL
1 stop31h 16mAmerican Airlines
Deal found 9/13$411
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/294:00 pmBZN - SJO
2 stops18h 25mUnited Airlines
Wed 11/52:20 pmSJO - BZN
2 stops20h 40mUnited Airlines
Deal found 9/14$412
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/295:00 amBZN - SJO
1 stop14h 10mSouthwest
Fri 12/59:00 amSJO - BZN
2 stops14h 45mSouthwest
Deal found 9/15$415

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 September 16, 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

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Sat 11/1

4:35 pm-11:25 am

2 stops18h 50m

San José Juan Santamaria Intl

Sat 11/8

7:30 am-3:30 pm

1 stop9h 00m

$298

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Sun 11/2

4:35 pm-11:25 am

2 stops17h 50m

San José Juan Santamaria Intl

Sat 11/8

7:30 am-9:40 pm

1 stop15h 10m

$298

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Wed 11/12

2:31 pm-11:25 am

2 stops19h 54m

San José Juan Santamaria Intl

Wed 11/19

8:45 am-9:18 pm

2 stops13h 33m

$302

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Wed 11/12

7:19 pm-12:38 am

2 stops28h 19m

San José Juan Santamaria Intl

Tue 11/18

1:55 am-6:39 pm

2 stops17h 44m

$328

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Fri 10/31

5:10 am-11:51 pm

2 stops42h 41m

San José Juan Santamaria Intl

Thu 11/6

1:55 am-10:39 pm

2 stops45h 44m

$351

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Thu 10/30

8:00 am-11:58 am

2 stops27h 58m

San José Juan Santamaria Intl

Sat 11/15

7:00 am-9:24 pm

2 stops15h 24m

$379

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Wed 1/21

7:00 am-11:00 pm

1 stop15h 00m

San José Juan Santamaria Intl

Fri 1/30

6:29 am-9:41 pm

1 stop16h 12m

$398

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Wed 10/29

5:10 am-11:51 pm

2 stops18h 41m

San José Juan Santamaria Intl

Tue 11/4

1:55 am-3:22 pm

2 stops14h 27m

$400

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Thu 10/30

5:10 pm-10:25 am

2 stops17h 15m

San José Juan Santamaria Intl

Sat 11/15

7:30 am-4:01 pm

1 stop9h 31m

$403

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Sun 11/2

1:52 pm-10:59 pm

1 stop8h 07m

San José Juan Santamaria Intl

Sat 11/8

6:22 am-1:01 pm

1 stop31h 39m

$407

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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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 $554). 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 September 16, 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.

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.

  • How long is the flight from Montana to Costa Rica?

    For as low as $298, United Airlines can have you in Costa Rica from Montana in 18h 50m. Montana and Costa Rica are separated by a distance of 2938 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 United Airlines ($133), Delta ($169), and American Airlines ($183).

  • 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 $554). 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

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Alternative routes for Montana to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$350Average$816FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$391Average$560FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$457Average$737FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$485Average$692FlexibilityNo cancel feeOn-time63%

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