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Costa Rica

$219+ Cheap flights from Missoula (MSO) 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SJO
Jul 18 — Jul 251
Sat 7/18
Sat 7/25
1 adult, Economy
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Cheap flight deals from Missoula to Costa Rica

Cheapest flights from Missoula to Costa Rica
Explore the most affordable flight options available from Missoula to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2026.

This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:25 pm
MSO
-
SJO
2 stops23h 34m
American Airlines
Mon 9/146:00 am
SJO
-
MSO
2 stops30h 55m
American Airlines
Deal found 6/15$575
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Thu 10/291:29 pm
MSO
-
SJO
2 stops24h 29m
American Airlines
Thu 11/122:39 pm
SJO
-
MSO
1 stop30h 16m
American Airlines
Deal found 6/16$587
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Wed 9/95:24 pm
MSO
-
SJO
2 stops18h 57m
United Airlines
Mon 9/141:25 pm
SJO
-
MSO
2 stops20h 32m
United Airlines
Deal found 6/15$595
This United Airlines deal was found by Cheapflights users on 6/13. 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 9/285:19 pm
MSO
-
SJO
2 stops26h 18m
United Airlines
Thu 10/11:25 pm
SJO
-
MSO
2 stops26h 55m
United Airlines
Deal found 6/13$639
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Wed 9/234:15 pm
MSO
-
SJO
1 stop15h 00m
United Airlines
Wed 9/301:25 pm
SJO
-
MSO
2 stops32h 07m
United Airlines
Deal found 6/16$659
This American Airlines deal was found by Cheapflights users on 6/17. 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 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 stops30h 40m
American Airlines
Wed 9/302:57 pm
SJO
-
MSO
2 stops21h 58m
American Airlines
Deal found 6/17$668
This United Airlines deal was found by Cheapflights users on 6/17. 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 6/184:19 pm
MSO
-
SJO
1 stop14h 56m
United Airlines
Sun 7/512:30 am
SJO
-
MSO
2 stops23h 26m
United Airlines
Deal found 6/17$699

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 June 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$575
(American Airlines)

One-way from

$219
(United Airlines)

Popular in

July

Cheapest in

October

Average price

$671
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
One-way flight from Missoula Johnson-Bell Field to Costa Rica
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($181 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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 June 18, 2026.
Use the filters below to find and compare flights from Missoula to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Thu 10/29

1:29 pm-1:58 pm

2 stops24h 29m

San José Juan Santamaria Intl

Thu 11/12

2:39 pm-12:39 pm

2 stops23h 00m

$575

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Wed 9/23

6:15 am-12:21 pm

2 stops30h 06m

San José Juan Santamaria Intl

Wed 9/30

1:25 pm-9:32 pm

2 stops32h 07m

$659

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Tue 7/14

6:05 am-10:11 am

2 stops28h 06m

San José Juan Santamaria Intl

Wed 7/22

12:30 am-11:56 pm

2 stops23h 26m

$729
Cheapest one-way
Quickest one-way

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sat 8/22

4:11 pm-7:15 am

1 stop15h 04m

$219

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sat 8/22

2:05 pm-1:15 am

3 stops59h 10m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Sorted by cheapest first

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, January is the cheapest month in which you can book a flight from Missoula to Costa Rica (average of $188). Flying from Missoula to Costa Rica in July is currently the most expensive (average of $1,217). 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 June 18, 2026.
Read reviews from past customers who have flown 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.
United Airlines
7.4
Good
9,859 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,859 reviews
United Airlines
7.4
Good
9,859 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
American Airlines
7.1
Good
11,686 reviews
United Airlines
7.4
Good
9,859 reviews

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 $575, American Airlines can have you in Costa Rica from Missoula in 24h 29m. 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, January is the cheapest month in which you can book a flight from Missoula to Costa Rica (average of $188). Flying from Missoula to Costa Rica in July is currently the most expensive (average of $1,217). 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 Missoula to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
Missoula to San José flights
Bozeman to San José flights
Billings to San José flights
Bozeman to Liberia flights

Top 2 airlines flying from Missoula to Costa Rica

Discover the top 2 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 June 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$188Average$666FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$457Average$686FlexibilityNo cancel feeOn-time71%

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