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Costa Rica

$317+ Cheap flights from Missoula (MSO) to Costa Rica

This is the cheapest round-trip 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.
MSO — SJO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Missoula to Costa Rica

Best flights from Missoula to Costa Rica
Discover carefully curated flight deals from Missoula to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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 1/216:00 amMSO - SJO
2 stops13h 39mUnited Airlines
Fri 1/308:45 amSJO - MSO
2 stops14h 06mUnited Airlines
Deal found 12/10$394
This American Airlines deal was found by Cheapflights users on 12/10. 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 1/211:21 pmMSO - SJO
2 stops22h 17mAmerican Airlines
Fri 1/302:54 pmSJO - MSO
2 stops22h 56mAmerican Airlines
Deal found 12/10$402
This American Airlines deal was found by Cheapflights users on 12/10. 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 1/211:21 pmMSO - SJO
2 stops22h 17mAmerican Airlines
Thu 1/296:38 amSJO - MSO
1 stop15h 07mAmerican Airlines
Deal found 12/10$402
This United Airlines deal was found by Cheapflights users on 12/11. 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 1/242:46 pmMSO - SJO
2 stops21h 10mUnited Airlines
Sat 1/316:40 amSJO - MSO
2 stops16h 11mUnited Airlines
Deal found 12/11$412
This American Airlines deal was found by Cheapflights users on 12/9. 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.
Mon 2/231:24 pmMSO - SJO
2 stops21h 59mAmerican Airlines
Fri 3/67:00 amSJO - MSO
1 stop30h 54mAmerican Airlines
Deal found 12/9$411
This United Airlines deal was found by Cheapflights users on 12/11. 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 1/185:15 pmMSO - SJO
2 stops18h 41mUnited Airlines
Mon 1/262:05 pmSJO - MSO
2 stops24h 30mUnited Airlines
Deal found 12/11$412
This United Airlines deal was found by Cheapflights users on 12/11. 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 1/185:15 pmMSO - SJO
2 stops18h 41mUnited Airlines
Thu 1/292:05 pmSJO - MSO
2 stops27h 00mUnited Airlines
Deal found 12/11$412
This United Airlines deal was found by Cheapflights users on 12/11. 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 1/212:37 pmMSO - SJO
2 stops21h 19mUnited Airlines
Mon 1/262:05 pmSJO - MSO
2 stops27h 00mUnited Airlines
Deal found 12/11$412
This United Airlines deal was found by Cheapflights users on 12/11. 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 1/205:15 pmMSO - SJO
2 stops26h 24mUnited Airlines
Wed 1/286:30 amSJO - MSO
2 stops32h 05mUnited Airlines
Deal found 12/11$412
This United Airlines deal was found by Cheapflights users on 12/11. 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 1/185:15 pmMSO - SJO
2 stops19h 00mUnited Airlines
Wed 1/288:45 amSJO - MSO
2 stops29h 50mUnited Airlines
Deal found 12/11$412
This United Airlines deal was found by Cheapflights users on 12/11. 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 1/225:15 pmMSO - SJO
2 stops18h 41mUnited Airlines
Mon 1/262:05 pmSJO - MSO
2 stops27h 00mUnited Airlines
Deal found 12/11$412

Find flight deals from Missoula to Costa Rica

Keep the following information in mind while searching for Missoula to Costa Rica flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$317
(United Airlines)

Popular in

April

Cheapest in

October
Provider with most accurate pricing for Missoula Johnson-Bell Field-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-San José Juan Santamaria Intl flights.
Search Deals
From Missoula Johnson-Bell Field to Costa Rica
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missoula 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 12, 2025.
Use the filters below to find and compare flights from Missoula to Costa Rica that are best for you.

Fly from

Missoula

Fly to

Costa Rica

Route

Depart

Return

Price

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Wed 1/21

6:00 am-8:39 pm

2 stops13h 39m

San José Juan Santamaria Intl

Fri 1/30

8:45 am-9:51 pm

2 stops14h 06m

$394

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Wed 1/21

1:21 pm-12:38 pm

2 stops22h 17m

San José Juan Santamaria Intl

Fri 1/30

2:54 pm-12:50 pm

2 stops22h 56m

$402

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Wed 1/21

1:21 pm-12:38 pm

2 stops22h 17m

San José Juan Santamaria Intl

Thu 1/29

6:38 am-8:45 pm

1 stop15h 07m

$402

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Mon 2/23

1:24 pm-12:23 pm

2 stops21h 59m

San José Juan Santamaria Intl

Fri 3/6

7:00 am-12:54 pm

1 stop30h 54m

$411

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sat 1/24

2:46 pm-12:56 pm

2 stops21h 10m

San José Juan Santamaria Intl

Sat 1/31

6:40 am-9:51 pm

2 stops16h 11m

$412

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 1/18

5:15 pm-12:56 pm

2 stops18h 41m

San José Juan Santamaria Intl

Mon 1/26

2:05 pm-1:35 pm

2 stops24h 30m

$412

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 1/18

5:15 pm-12:56 pm

2 stops18h 41m

San José Juan Santamaria Intl

Thu 1/29

2:05 pm-4:05 pm

2 stops27h 00m

$412

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Wed 1/21

2:37 pm-12:56 pm

2 stops21h 19m

San José Juan Santamaria Intl

Mon 1/26

2:05 pm-4:05 pm

2 stops27h 00m

$412

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Tue 1/20

5:15 pm-8:39 pm

2 stops26h 24m

San José Juan Santamaria Intl

Wed 1/28

6:30 am-1:35 pm

2 stops32h 05m

$412

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 1/18

5:15 pm-1:15 pm

2 stops19h 00m

San José Juan Santamaria Intl

Wed 1/28

8:45 am-1:35 pm

2 stops29h 50m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 11 results
1
2

Best time to book a flight from Missoula to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Missoula 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 Missoula to Costa Rica

What is the cheapest month to book a flight from Missoula to Costa Rica?

Currently, October is the cheapest month in which you can book a flight from Missoula to Costa Rica (average of $196). Flying from Missoula to Costa Rica in August is currently the most expensive (average of $712). 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.

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 December 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, United Airlines, and American Airlines from Missoula to Costa Rica. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,431 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,431 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,095 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
American Airlines
7.2
Good
11,049 reviews
Alaska Airlines
8.0
Very good
11,431 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

Find useful and relevant information for your journey from Missoula to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Missoula to Costa Rica?

    For a flight from Missoula to Costa Rica, you will be flying from Johnson-Bell Field. Missoula Johnson-Bell Field (MSO) is just 5.5 mi from the center of the city.

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

    For as low as $394, United Airlines can have you in Costa Rica from Missoula in 13h 39m. There are 3091 mi between Missoula and Costa Rica. 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 Missoula to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Missoula to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missoula to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missoula to Costa Rica.

  • Can I find deals for business class flights from Missoula to Costa Rica?

    Yes. Cheapflights offers flight deals from Missoula 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 Missoula to Costa Rica?

    Currently, October is the cheapest month in which you can book a flight from Missoula to Costa Rica (average of $196). Flying from Missoula to Costa Rica in August is currently the most expensive (average of $712). 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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Top 3 airlines flying from Missoula to Costa Rica

Discover the top 3 airlines that operate flights from Missoula 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$396Average$648FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$433Average$589FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$457Average$682FlexibilityNo cancel feeOn-time71%

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