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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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJO
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$298
(United Airlines)

One-way from

$133
(United Airlines)

Popular in

December

Cheapest in

September
Provider with most accurate pricing for Bozeman Gallatin Field-San José Juan Santamaria Intl flight deals.
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Provider most trusted by Cheapflights users for Bozeman Gallatin Field-San José Juan Santamaria Intl flights.
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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. 4% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($53 potential savings vs. average RT price).
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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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sun 11/92:31 pmBIL - SJO
2 stops19h 54mUnited Airlines
Sat 11/157:30 amSJO - BIL
1 stop10h 48mUnited Airlines
Deal found 10/30$298
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/82:38 pmFCA - SJO
2 stops21h 37mUnited Airlines
Sat 11/157:30 amSJO - FCA
1 stop15h 14mUnited Airlines
Deal found 10/29$298
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/156:10 amFCA - SJO
1 stop14h 50mUnited Airlines
Sat 11/227:30 amSJO - FCA
1 stop15h 14mUnited Airlines
Deal found 10/29$318
This Delta deal was found by Cheapflights users on 10/30. 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.
Fri 11/145:25 amMSO - SJO
2 stops15h 42mDelta
Fri 11/212:31 pmSJO - MSO
2 stops32h 15mDelta
Deal found 10/30$320
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Mon 11/32:38 pmFCA - SJO
2 stops21h 37mUnited Airlines
Sat 11/157:30 amSJO - FCA
1 stop15h 14mUnited Airlines
Deal found 10/29$328
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/12:35 pmMSO - SJO
2 stops14h 50mUnited Airlines
Wed 11/128:45 amSJO - MSO
2 stops14h 02mUnited Airlines
Deal found 10/29$332
This Delta deal was found by Cheapflights users on 10/30. 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.
Fri 11/145:25 amMSO - SJO
2 stops15h 42mDelta
Tue 11/252:31 pmSJO - MSO
2 stops32h 15mDelta
Deal found 10/30$341
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/152:35 pmMSO - SJO
2 stops14h 50mUnited Airlines
Mon 11/242:20 pmSJO - MSO
2 stops24h 13mUnited Airlines
Deal found 10/30$372
This SmartFares deal was found by Cheapflights users on 10/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/15:30 amMSO - SJO
2 stops18h 21mAlaska Airlines
Tue 11/111:55 amSJO - MSO
2 stops23h 18mAlaska Airlines
Deal found 10/29$380
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/16:10 amFCA - SJO
1 stop14h 50mUnited Airlines
Wed 11/128:45 amSJO - FCA
2 stops13h 59mUnited Airlines
Deal found 10/29$397
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/96:00 amBIL - SJO
1 stop15h 56mAmerican Airlines
Sat 11/156:22 amSJO - BIL
1 stop15h 56mAmerican Airlines
Deal found 10/30$398
This Delta deal was found by Cheapflights users on 10/30. 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.
Fri 11/145:25 amMSO - SJO
2 stops15h 42mDelta
Wed 11/262:31 pmSJO - MSO
2 stops28h 20mDelta
Deal found 10/30$400

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 October 30, 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

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Sun 11/9

2:31 pm-11:25 am

2 stops19h 54m

San José Juan Santamaria Intl

Sat 11/15

7:30 am-5:18 pm

1 stop10h 48m

$298

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Wed 1/21

4:16 pm-1:15 pm

2 stops19h 59m

San José Juan Santamaria Intl

Tue 2/3

8:45 am-9:33 pm

2 stops13h 48m

$302

KalispellSan José

FCA - SJO

FCASJO

Kalispell Glacier Park

Sat 11/15

2:38 pm-6:25 am

2 stops14h 47m

San José Juan Santamaria Intl

Sat 11/22

7:30 am-9:44 pm

1 stop15h 14m

$318

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Mon 11/17

6:16 pm-10:07 pm

2 stops26h 51m

San José Juan Santamaria Intl

Tue 11/25

2:31 pm-9:46 pm

2 stops32h 15m

$341

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Tue 11/18

5:25 am-10:07 pm

2 stops15h 42m

San José Juan Santamaria Intl

Tue 11/25

2:31 pm-9:46 pm

2 stops32h 15m

$341

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Wed 1/21

2:37 pm-1:15 pm

2 stops21h 38m

San José Juan Santamaria Intl

Fri 1/30

6:30 am-9:51 pm

2 stops16h 21m

$356

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Tue 3/3

3:23 pm-8:32 am

1 stop16h 09m

San José Juan Santamaria Intl

Wed 3/11

5:30 am-9:10 pm

2 stops15h 40m

$372

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sat 11/15

2:35 pm-6:25 am

2 stops14h 50m

San José Juan Santamaria Intl

Mon 11/24

2:20 pm-1:33 pm

2 stops24h 13m

$372

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Sun 11/9

6:00 am-10:56 pm

1 stop15h 56m

San José Juan Santamaria Intl

Sat 11/15

6:22 am-9:18 pm

1 stop15h 56m

$398

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Fri 11/14

5:25 am-10:07 pm

2 stops15h 42m

San José Juan Santamaria Intl

Wed 11/26

2:31 pm-5:51 pm

2 stops28h 20m

$400

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 50 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, October is the cheapest month in which you can book a flight from Montana to Costa Rica (average of $196). Flying from Montana to Costa Rica in April is currently the most expensive (average of $509). 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 October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Montana to Costa Rica at noon. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight in the morning.

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 $398, United Airlines can have you in Costa Rica from Montana in 15h 56m. Montana and Costa Rica are separated by a distance of 2860 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), American Airlines ($183), and Alaska Airlines ($234).

  • 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, October is the cheapest month in which you can book a flight from Montana to Costa Rica (average of $196). Flying from Montana to Costa Rica in April is currently the most expensive (average of $509). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$350Average$782FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$391Average$591FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$402Average$633FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$573Average$730FlexibilityNo cancel feeOn-time63%

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