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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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJO
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. 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 12/206:35 amBIL - SJO
1 stop14h 25mUnited Airlines
Mon 12/228:45 amSJO - BIL
2 stops13h 39mUnited Airlines
Deal found 12/17$642
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/186:15 amBZN - LIR
1 stop8h 53mUnited Airlines
Mon 12/2912:50 pmLIR - BZN
1 stop9h 18mUnited Airlines
Deal found 12/17$825
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/204:14 pmBZN - LIR
1 stop21h 26mUnited Airlines
Mon 12/2912:50 pmLIR - BZN
1 stop9h 18mUnited Airlines
Deal found 12/17$839
This American Airlines deal was found by Cheapflights users on 12/18. 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.
Thu 12/1811:39 amBZN - LIR
1 stop24h 58mAmerican Airlines
Mon 12/293:28 pmLIR - BZN
1 stop22h 18mAmerican Airlines
Deal found 12/18$844
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:25 pmBZN - SJO
2 stops27h 14mUnited Airlines
Sun 1/46:30 amSJO - BZN
1 stop31h 28mUnited Airlines
Deal found 12/16$992
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:35 amBIL - SJO
1 stop14h 25mUnited Airlines
Sat 12/277:30 amSJO - BIL
1 stop14h 54mUnited Airlines
Deal found 12/15$1,018
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:00 amMSO - SJO
1 stop15h 00mUnited Airlines
Fri 1/27:30 amSJO - MSO
1 stop15h 11mUnited Airlines
Deal found 12/16$1,174
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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 12/183:57 pmBZN - LIR
3 stops13h 23mAlaska Airlines
Mon 12/297:40 amLIR - BZN
2 stops17h 19mAlaska Airlines
Deal found 12/17$1,465
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/281:18 pmMSO - SJO
1 stop29h 56mAmerican Airlines
Thu 1/112:34 amSJO - MSO
1 stop21h 50mAmerican Airlines
Deal found 12/16$1,585
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 12/206:09 amBZN - LIR
2 stops13h 22mAlaska Airlines
Mon 12/297:40 amLIR - BZN
3 stops17h 19mAlaska Airlines
Deal found 12/16$1,632
This Delta deal was found by Cheapflights users on 12/17. 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.
Wed 12/243:23 pmBZN - SJO
2 stops20h 33mDelta
Mon 12/292:21 pmSJO - BZN
2 stops21h 56mDelta
Deal found 12/17$2,484
This Expedia deal was found by Cheapflights users on 12/17. 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.
Sat 12/206:00 amBIL - SJO
3 stops16h 15mMultiple Airlines
Sun 12/211:30 amSJO - BIL
2 stops24h 02mMultiple Airlines
Deal found 12/17$2,596

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$398
(American Airlines)

One-way from

$133
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$581
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
Search Deals
One-way flight from Montana to Costa Rica
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 18, 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

Wed 1/21

7:00 am-11:43 pm

1 stop15h 43m

San José Juan Santamaria Intl

Fri 1/30

6:38 am-8:45 pm

1 stop15h 07m

$398

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Tue 1/27

2:15 pm-1:54 pm

2 stops22h 39m

San José Juan Santamaria Intl

Wed 2/4

1:43 pm-1:36 pm

2 stops24h 53m

$402

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Thu 1/29

2:13 pm-11:43 pm

1 stop8h 30m

San José Juan Santamaria Intl

Sun 2/8

7:09 am-10:02 pm

1 stop15h 53m

$403

KalispellSan José

FCA - SJO

FCASJO

Kalispell Glacier Park

Thu 1/29

6:00 am-12:56 pm

2 stops29h 56m

San José Juan Santamaria Intl

Thu 2/5

2:20 pm-12:59 pm

2 stops23h 39m

$412

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Wed 2/25

5:53 pm-12:56 pm

2 stops18h 03m

San José Juan Santamaria Intl

Sat 3/7

6:40 am-8:51 pm

2 stops15h 11m

$414

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Mon 2/2

2:15 pm-1:54 pm

2 stops22h 39m

San José Juan Santamaria Intl

Tue 2/10

8:00 am-1:36 pm

2 stops30h 36m

$419

BozemanLiberia

BZN - LIR

BZNLIR

Bozeman Gallatin Field

Sun 2/8

7:20 am-6:01 pm

2 stops33h 41m

Liberia

Thu 2/12

8:05 am-11:56 pm

2 stops16h 51m

$425

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Mon 2/2

4:13 pm-1:15 pm

2 stops44h 02m

San José Juan Santamaria Intl

Tue 2/10

6:30 am-9:50 am

2 stops28h 20m

$427

KalispellSan José

FCA - SJO

FCASJO

Kalispell Glacier Park

Fri 1/16

2:42 pm-12:56 pm

2 stops45h 14m

San José Juan Santamaria Intl

Thu 1/29

8:45 am-12:59 pm

2 stops29h 14m

$427

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Mon 4/27

5:16 pm-12:21 pm

2 stops19h 05m

San José Juan Santamaria Intl

Fri 5/1

7:55 am-9:42 pm

2 stops37h 47m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 December 18, 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, American Airlines can have you in Costa Rica from Montana in 15h 43m. Montana and Costa Rica are separated by a distance of 3091 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$350Average$700FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$391Average$597FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$402Average$642FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$555Average$730FlexibilityNo cancel feeOn-time63%

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