HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Costa Rica

$133+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SJO
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missoula to Costa Rica with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 23, 2025.

This United Airlines deal was found by Cheapflights users on 10/21. 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 11/82:35 pmMSO - SJO
2 stops14h 50mUnited Airlines
Fri 11/212:20 pmSJO - MSO
2 stops24h 13mUnited Airlines
Deal found 10/21$332
This American Airlines deal was found by Cheapflights users on 10/21. 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 11/87:01 amMSO - SJO
1 stop13h 16mAmerican Airlines
Fri 11/212:39 pmSJO - MSO
1 stop30h 55mAmerican Airlines
Deal found 10/21$578
This Orbitz deal was found by Cheapflights users on 10/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/84:12 pmMSO - SJO
2 stops31h 26mAlaska Airlines
Thu 11/201:45 amSJO - MSO
2 stops47h 05mAlaska Airlines
Deal found 10/21$585
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Wed 12/177:00 amMSO - SJO
2 stops12h 49mAmerican Airlines
Sun 12/2112:34 amSJO - MSO
1 stop21h 50mAmerican Airlines
Deal found 10/21$901
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Wed 12/175:20 pmMSO - SJO
2 stops18h 36mUnited Airlines
Mon 12/222:05 pmSJO - MSO
2 stops51h 05mUnited Airlines
Deal found 10/21$910
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:29 amMSO - SJO
2 stops16h 19mAlaska Airlines
Sun 12/211:30 amSJO - MSO
2 stops23h 39mAlaska Airlines
Deal found 10/21$987
This Orbitz deal was found by Cheapflights users on 10/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:32 amMSO - SJO
3 stops15h 43mMultiple Airlines
Thu 11/201:45 amSJO - MSO
2 stops47h 05mMultiple Airlines
Deal found 10/21$1,348
This Expedia deal was found by Cheapflights users on 10/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/171:12 pmMSO - SJO
3 stops33h 03mMultiple Airlines
Sun 12/211:30 amSJO - MSO
2 stops47h 39mMultiple Airlines
Deal found 10/21$1,404

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 October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$332
(United Airlines)

One-way from

$133
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$586
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. 15% potential increase in price ($137 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 23, 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

7:00 am-11:43 pm

1 stop15h 43m

San José Juan Santamaria Intl

Fri 1/30

6:38 am-8:45 pm

1 stop15h 07m

$398

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Mon 2/23

7:00 am-11:00 pm

1 stop15h 00m

San José Juan Santamaria Intl

Fri 3/6

1:50 pm-12:25 pm

2 stops23h 35m

$402

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Wed 2/18

7:00 am-11:00 pm

1 stop15h 00m

San José Juan Santamaria Intl

Fri 2/27

3:40 pm-12:25 pm

2 stops21h 45m

$402

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sat 1/17

5:15 pm-1:15 pm

2 stops19h 00m

$133

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sat 1/17

1:03 pm-11:40 pm

3 stops33h 37m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/23

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 October 23, 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
11,155 reviews

Overall

8.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,155 reviews
Alaska Airlines
8.0
Very good
11,155 reviews

Overall

8.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,991 reviews
Alaska Airlines
8.0
Very good
11,155 reviews

Overall

8.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,028 reviews
Alaska Airlines
8.0
Very good
11,155 reviews

Overall

8.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 $398, American Airlines can have you in Costa Rica from Missoula in 15h 43m. There are 3091 mi between Missoula and Costa Rica.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$412Average$629FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$433Average$589FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$457Average$682FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.