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$242+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJO
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$409
(United Airlines)

One-way from

$242
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$572
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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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 8/224:20 pmBZN - SJO
2 stops20h 06mUnited Airlines
Sat 8/307:55 amSJO - BZN
1 stop12h 51mUnited Airlines
Deal found 4/29$409
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/224:54 pmBZN - SJO
2 stops20h 21mAmerican Airlines
Sat 8/301:00 pmSJO - BZN
2 stops21h 17mAmerican Airlines
Deal found 4/29$420
This United Airlines deal was found by Cheapflights users on 4/30. 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 5/254:15 pmFCA - SJO
2 stops27h 22mUnited Airlines
Sun 6/16:00 amSJO - FCA
1 stop31h 21mUnited Airlines
Deal found 4/30$434
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/79:30 amBZN - SJO
2 stops14h 22mAlaska Airlines
Tue 5/131:12 amSJO - BZN
2 stops47h 09mAlaska Airlines
Deal found 4/29$467
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 6/247:00 amBIL - LIR
1 stop8h 25mUnited Airlines
Tue 7/153:25 pmLIR - BIL
2 stops18h 13mUnited Airlines
Deal found 4/30$483
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/37:00 amBIL - SJO
1 stop14h 15mUnited Airlines
Sat 5/106:35 amSJO - BIL
1 stop14h 23mUnited Airlines
Deal found 4/29$489
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 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 4/29$499
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/23:45 pmBIL - LIR
2 stops48h 08mAlaska Airlines
Thu 7/104:58 pmLIR - BIL
2 stops55h 10mAlaska Airlines
Deal found 4/30$513
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/256:32 pmFCA - SJO
2 stops53h 14mAlaska Airlines
Sat 5/311:06 amSJO - FCA
2 stops46h 52mAlaska Airlines
Deal found 4/30$555
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 6/171:37 pmBZN - LIR
2 stops20h 23mUnited Airlines
Tue 7/83:25 pmLIR - BZN
2 stops18h 29mUnited Airlines
Deal found 4/29$571
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/172:57 pmBZN - LIR
2 stops20h 27mAmerican Airlines
Tue 7/83:45 pmLIR - BZN
1 stop18h 46mAmerican Airlines
Deal found 4/29$581
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 6/253:27 pmFCA - SJO
2 stops21h 28mAmerican Airlines
Sun 7/611:59 pmSJO - FCA
1 stop10h 57mAmerican Airlines
Deal found 4/30$609

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 May 1, 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

Fri 8/22

4:20 pm-12:26 pm

2 stops20h 06m

San José Juan Santamaria Intl

Sat 8/30

7:55 am-8:46 pm

1 stop12h 51m

$409

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Fri 8/22

4:54 pm-1:15 pm

2 stops20h 21m

San José Juan Santamaria Intl

Sat 8/30

1:00 pm-10:17 am

2 stops21h 17m

$420

KalispellSan José

FCA - SJO

FCASJO

Kalispell Glacier Park

Sun 5/25

4:15 pm-7:37 pm

2 stops27h 22m

San José Juan Santamaria Intl

Sun 6/1

6:00 am-1:21 pm

1 stop31h 21m

$434

BillingsLiberia

BIL - LIR

BILLIR

Billings Logan Intl

Tue 6/24

7:00 am-3:25 pm

1 stop8h 25m

Liberia

Tue 7/15

3:25 pm-9:38 am

2 stops18h 13m

$483

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Sat 8/9

5:30 am-11:30 pm

2 stops18h 00m

San José Juan Santamaria Intl

Sat 8/16

12:50 am-12:11 am

2 stops23h 21m

$488

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

$499

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Tue 5/13

5:00 am-7:37 pm

2 stops14h 37m

San José Juan Santamaria Intl

Fri 5/16

1:30 pm-9:39 am

2 stops20h 09m

$503

BillingsLiberia

BIL - LIR

BILLIR

Billings Logan Intl

Wed 7/2

3:45 pm-3:53 pm

2 stops48h 08m

Liberia

Thu 7/10

4:58 pm-12:08 am

2 stops55h 10m

$513

KalispellSan José

FCA - SJO

FCASJO

Kalispell Glacier Park

Sun 5/25

6:32 pm-11:46 pm

2 stops53h 14m

San José Juan Santamaria Intl

Sat 5/31

1:06 am-11:58 pm

2 stops46h 52m

$555

BozemanLiberia

BZN - LIR

BZNLIR

Bozeman Gallatin Field

Tue 6/17

1:37 pm-10:00 am

2 stops20h 23m

Liberia

Tue 7/8

3:25 pm-9:54 am

2 stops18h 29m

$571

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 25 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 $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 May 1, 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 May 1, 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
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$390Average$800FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$410Average$552FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$453Average$705FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$485Average$692FlexibilityNo cancel feeOn-time63%

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