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Costa Rica

$254+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJO
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
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 July 25, 2026.

This United Airlines deal was found by Cheapflights users on 7/20. 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 9/106:30 am
BZN
-
SJO
2 stops13h 07m
United Airlines
Thu 9/171:25 pm
SJO
-
BZN
2 stops20h 14m
United Airlines
Deal found 7/20$526
This United Airlines deal was found by Cheapflights users on 7/25. 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 11/15:24 pm
MSO
-
SJO
2 stops17h 01m
United Airlines
Sat 11/148:45 am
SJO
-
MSO
2 stops14h 02m
United Airlines
Deal found 7/25$555
This Delta deal was found by Cheapflights users on 7/20. 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 9/96:00 am
BZN
-
SJO
2 stops29h 54m
Delta
Fri 9/181:19 pm
SJO
-
BZN
2 stops23h 54m
Delta
Deal found 7/20$573
This Delta deal was found by Cheapflights users on 7/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am
BZN
-
SJO
2 stops15h 15m
Delta
Mon 12/147:00 am
SJO
-
BZN
2 stops32h 33m
Delta
Deal found 7/23$593
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/106:30 am
BZN
-
SJO
2 stops13h 07m
United Airlines
Mon 9/141:25 pm
SJO
-
BZN
2 stops20h 14m
United Airlines
Deal found 7/20$595
This American Airlines deal was found by Cheapflights users on 7/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:16 pm
BZN
-
SJO
2 stops19h 43m
American Airlines
Thu 9/172:57 pm
SJO
-
BZN
2 stops20h 12m
American Airlines
Deal found 7/22$605
This American Airlines deal was found by Cheapflights users on 7/21. 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 10/316:00 am
BIL
-
SJO
1 stop8h 00m
American Airlines
Wed 11/112:01 pm
SJO
-
BIL
2 stops23h 52m
American Airlines
Deal found 7/21$605
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Wed 9/231:27 pm
MSO
-
SJO
2 stops22h 32m
American Airlines
Wed 9/302:57 pm
SJO
-
MSO
2 stops21h 59m
American Airlines
Deal found 7/24$605
This American Airlines deal was found by Cheapflights users on 7/25. 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 10/151:45 pm
MSO
-
SJO
2 stops22h 15m
American Airlines
Fri 10/301:00 pm
SJO
-
MSO
1 stop24h 15m
American Airlines
Deal found 7/25$617
This Delta deal was found by Cheapflights users on 7/20. 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 9/101:08 pm
BZN
-
SJO
2 stops22h 46m
Delta
Fri 9/181:19 pm
SJO
-
BZN
2 stops23h 54m
Delta
Deal found 7/20$622
This United Airlines deal was found by Cheapflights users on 7/21. 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 9/124:32 pm
BZN
-
LIR
2 stops19h 38m
United Airlines
Thu 9/171:20 pm
LIR
-
BZN
2 stops20h 19m
United Airlines
Deal found 7/21$625
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/114:25 pm
BZN
-
SJO
1 stop14h 50m
United Airlines
Thu 9/171:25 pm
SJO
-
BZN
2 stops26h 05m
United Airlines
Deal found 7/20$625

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 July 25, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$526
(United Airlines)

One-way from

$254
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$665
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
Highest demand for flights based on searches. 9% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 25, 2026.
Use the filters below to find and compare flights from Montana to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 11/1

5:24 pm-11:25 am

2 stops17h 01m

San José Juan Santamaria Intl

Sat 11/14

8:45 am-9:47 pm

2 stops14h 02m

$555

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Tue 1/12

6:25 pm-12:45 pm

2 stops17h 20m

San José Juan Santamaria Intl

Tue 1/19

7:05 am-10:32 pm

2 stops16h 27m

$563

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Mon 1/11

6:25 pm-12:45 pm

2 stops17h 20m

San José Juan Santamaria Intl

Thu 1/21

7:05 am-7:48 pm

2 stops13h 43m

$602

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Sat 10/31

6:00 am-2:00 pm

1 stop8h 00m

San José Juan Santamaria Intl

Wed 11/11

2:46 pm-8:40 pm

1 stop30h 54m

$612

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Thu 1/14

6:25 pm-12:45 pm

2 stops17h 20m

San José Juan Santamaria Intl

Thu 1/21

7:05 am-7:48 pm

2 stops13h 43m

$612

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Thu 9/10

1:08 pm-11:54 am

2 stops22h 46m

San José Juan Santamaria Intl

Fri 9/18

1:19 pm-1:13 pm

2 stops23h 54m

$622

BozemanLiberia

BZN - LIR

BZNLIR

Bozeman Gallatin Field

Sat 9/12

4:32 pm-12:10 pm

2 stops19h 38m

Liberia

Thu 9/17

1:20 pm-9:39 am

2 stops20h 19m

$625

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Sat 10/24

5:57 pm-12:22 pm

2 stops18h 25m

San José Juan Santamaria Intl

Tue 10/27

7:45 am-1:18 pm

3 stops29h 33m

$625

KalispellSan José

FCA - SJO

FCASJO

Kalispell Glacier Park

Thu 10/29

6:15 am-10:25 am

2 stops28h 10m

San José Juan Santamaria Intl

Mon 11/2

12:35 pm-1:33 pm

2 stops25h 58m

$625

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Fri 11/13

3:15 pm-1:05 pm

2 stops20h 50m

San José Juan Santamaria Intl

Fri 11/20

7:00 am-10:21 pm

2 stops16h 21m

$632

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 45 resultsSorted by cheapest first
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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 $438). Flying from Montana to Costa Rica in July is currently the most expensive (average of $935). 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.

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 $612, United Airlines can have you in Costa Rica from Montana in 8h. 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.

  • 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 $438). Flying from Montana to Costa Rica in July is currently the most expensive (average of $935). 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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George Bush Intcntl to San Pedro Sula flights
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Top 2 airlines flying from Montana to Costa Rica

Discover the top 2 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 July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$188Average$681FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$397Average$663FlexibilityNo cancel feeOn-time71%

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