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$183+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SJO
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap 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 August 20, 2025.

Round-trip from

$320
(Delta)

One-way from

$183
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$838
From Missoula Johnson-Bell Field to Costa Rica
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One-way flight from Missoula Johnson-Bell Field to Costa Rica
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Highest demand for flights based on searches. 9% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 20, 2025.

This Delta deal was found by Cheapflights users on 8/19. 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.
Fri 11/148:00 amMSO - SJO
2 stops13h 15mDelta
Tue 11/187:00 amSJO - MSO
2 stops18h 32mDelta
Deal found 8/19$320
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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.
Fri 11/146:32 amMSO - SJO
2 stops41h 06mAlaska Airlines
Mon 11/171:58 amSJO - MSO
2 stops23h 15mAlaska Airlines
Deal found 8/19$361
This American Airlines deal was found by Cheapflights users on 8/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/131:51 pmMSO - SJO
2 stops21h 21mAmerican Airlines
Sat 9/201:45 pmSJO - MSO
2 stops23h 15mAmerican Airlines
Deal found 8/20$402
This United Airlines deal was found by Cheapflights users on 8/19. 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 11/22:35 pmMSO - SJO
2 stops19h 50mUnited Airlines
Sat 11/86:40 amSJO - MSO
2 stops16h 07mUnited Airlines
Deal found 8/19$410
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 11/24:12 pmMSO - SJO
2 stops55h 26mAlaska Airlines
Fri 11/71:58 amSJO - MSO
2 stops46h 45mAlaska Airlines
Deal found 8/19$432
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/271:51 pmMSO - SJO
1 stop28h 23mAmerican Airlines
Tue 9/306:00 amSJO - MSO
2 stops17h 18mAmerican Airlines
Deal found 8/19$472
This American Airlines deal was found by Cheapflights users on 8/19. 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 11/27:00 amMSO - SJO
1 stop30h 10mAmerican Airlines
Sat 11/82:59 pmSJO - MSO
1 stop29h 56mAmerican Airlines
Deal found 8/19$478
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Sat 9/134:17 pmMSO - SJO
1 stop14h 58mUnited Airlines
Sat 9/208:37 amSJO - MSO
1 stop30h 59mUnited Airlines
Deal found 8/20$496
This United Airlines deal was found by Cheapflights users on 8/17. 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 9/272:33 pmMSO - SJO
2 stops21h 53mUnited Airlines
Tue 9/307:55 amSJO - MSO
2 stops26h 02mUnited Airlines
Deal found 8/17$507

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 August 20, 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

Fri 11/14

8:00 am-10:15 pm

2 stops13h 15m

San José Juan Santamaria Intl

Tue 11/18

7:00 am-12:32 am

2 stops18h 32m

$320

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Fri 11/14

6:32 am-12:38 am

2 stops41h 06m

San José Juan Santamaria Intl

Mon 11/17

1:58 am-12:13 am

2 stops23h 15m

$361

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sat 9/13

1:51 pm-11:12 am

2 stops21h 21m

San José Juan Santamaria Intl

Sat 9/20

1:45 pm-1:00 pm

2 stops23h 15m

$402

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Fri 2/6

1:05 pm-12:05 pm

2 stops22h 00m

San José Juan Santamaria Intl

Sun 2/15

2:49 pm-12:25 pm

2 stops22h 36m

$407

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sat 1/31

1:05 pm-12:05 pm

2 stops22h 00m

San José Juan Santamaria Intl

Sun 2/8

6:29 am-9:41 pm

1 stop16h 12m

$407

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 11/2

2:35 pm-11:25 am

2 stops19h 50m

San José Juan Santamaria Intl

Sat 11/8

6:40 am-9:47 pm

2 stops16h 07m

$410

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 11/2

4:12 pm-12:38 am

2 stops55h 26m

San José Juan Santamaria Intl

Fri 11/7

1:58 am-11:43 pm

2 stops46h 45m

$432

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sat 9/27

1:51 pm-6:14 pm

1 stop28h 23m

San José Juan Santamaria Intl

Tue 9/30

6:00 am-11:18 pm

2 stops17h 18m

$472

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Wed 8/27

1:51 pm-11:55 am

2 stops22h 04m

$183

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Wed 8/27

5:20 pm-7:37 pm

2 stops26h 17m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 15 results
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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, September is the cheapest month in which you can book a flight from Missoula to Costa Rica (average of $398). Flying from Missoula 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.

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 August 20, 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
10,000 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,928 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

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 $320, Delta can have you in Costa Rica from Missoula in 13h 15m. 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.

  • What are the cheapest airlines to fly from Missoula to Costa Rica one-way?

    $183 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $194 and $266, respectively.

  • 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, September is the cheapest month in which you can book a flight from Missoula to Costa Rica (average of $398). Flying from Missoula 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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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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$412Average$643FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$433Average$544FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$457Average$682FlexibilityNo cancel feeOn-time71%

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