$239+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SJO
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Missoula to Costa Rica
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Best
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One-way
Cheapest flights from Missoula to Costa RicaExplore 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 September 10, 2026.
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 September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/215:19 pm -
2 stops19h 02m
Wed 10/287:45 am -
2 stops14h 02m
Deal found 9/6![United Airlines logo]()
$525
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/34:15 pm -
1 stop15h 00m
Tue 10/61:25 pm -
2 stops26h 55m
Deal found 9/7![United Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 9/6. 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 -
1 stop15h 00m
Wed 9/301:25 pm -
2 stops20h 32m
Deal found 9/6![United Airlines logo]()
$748
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/175:19 pm -
2 stops19h 02m
Thu 10/228:45 am -
1 stop30h 34m
Deal found 9/7![United Airlines logo]()
$758
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/186:15 am -
2 stops30h 06m
Thu 10/221:25 pm -
2 stops24h 07m
Deal found 9/7![United Airlines logo]()
$772
This American Airlines deal was found by Cheapflights users on 9/6. 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 10/211:05 pm -
1 stop24h 55m
Wed 10/281:00 pm -
1 stop24h 18m
Deal found 9/6![American Airlines logo]()
$818
This KAYAK deal was found by Cheapflights users on 9/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:38 pm -
2 stops21h 43m
Tue 10/61:25 pm -
2 stops20h 32m
Deal found 9/7![Copa Airlines logo]()
$819
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/14:05 pm -
2 stops20h 16m
Tue 10/61:25 pm -
2 stops20h 32m
Deal found 9/7![United Airlines logo]()
$824
Best flights from Missoula to Costa RicaDiscover 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 September 10, 2026.
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 September 10, 2026.
This Delta deal was found by Cheapflights users on 9/7. 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.
Wed 1/205:40 am -
2 stops15h 25m
Tue 1/267:05 am -
2 stops30h 31m
Deal found 9/7![Delta logo]()
$563
This United Airlines deal was found by Cheapflights users on 9/7. 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 2/16:15 am -
2 stops53h 00m
Fri 2/58:45 am -
2 stops29h 42m
Deal found 9/7![United Airlines logo]()
$663
This Delta deal was found by Cheapflights users on 9/7. 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.
Thu 1/218:00 am -
2 stops27h 45m
Tue 1/267:05 am -
2 stops30h 31m
Deal found 9/7![Delta logo]()
$563
This United Airlines deal was found by Cheapflights users on 9/6. 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 -
1 stop15h 00m
Wed 9/301:25 pm -
2 stops20h 32m
Deal found 9/6![United Airlines logo]()
$748
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/56:10 pm -
2 stops17h 35m
Thu 1/147:05 am -
2 stops14h 07m
Deal found 9/9![Delta logo]()
$688
Last-minute flights from Missoula to Costa RicaDiscover last-minute flight deals from Missoula to Costa Rica. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to Costa Rica. Data last updated September 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/6. 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 -
1 stop15h 00m
Wed 9/301:25 pm -
2 stops20h 32m
Deal found 9/6![United Airlines logo]()
$748
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/14:05 pm -
2 stops20h 16m
Tue 10/61:25 pm -
2 stops20h 32m
Deal found 9/7![United Airlines logo]()
$824
This KAYAK deal was found by Cheapflights users on 9/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:38 pm -
2 stops21h 43m
Tue 10/61:25 pm -
2 stops20h 32m
Deal found 9/7![Copa Airlines logo]()
$819
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/34:15 pm -
1 stop15h 00m
Tue 10/61:25 pm -
2 stops26h 55m
Deal found 9/7![United Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/175:19 pm -
2 stops19h 02m
Thu 10/228:45 am -
1 stop30h 34m
Deal found 9/7![United Airlines logo]()
$758
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/186:15 am -
2 stops30h 06m
Thu 10/221:25 pm -
2 stops24h 07m
Deal found 9/7![United Airlines logo]()
$772
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/215:19 pm -
2 stops19h 02m
Wed 10/287:45 am -
2 stops14h 02m
Deal found 9/6![United Airlines logo]()
$525
This American Airlines deal was found by Cheapflights users on 9/6. 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 10/211:05 pm -
1 stop24h 55m
Wed 10/281:00 pm -
1 stop24h 18m
Deal found 9/6![American Airlines logo]()
$818
One-way flights from Missoula to Costa RicaSearch for one-way flight options from Missoula to Costa Rica. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Missoula to Costa Rica. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/8. 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 11/72:37 pm -
2 stops14h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/157:00 am -
2 stops29h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 9/8. 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 11/76:50 am -
1 stop29h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![American Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:15 am -
2 stops54h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:21 pm -
3 stops56h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$489
This FlightHub deal was found by Cheapflights users on 9/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:40 am -
3 stops24h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$515
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:05 pm -
3 stops46h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$571
This American Airlines deal was found by Cheapflights users on 9/6. 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 12/191:42 pm -
2 stops21h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![American Airlines logo]()
$716
This American Airlines deal was found by Cheapflights users on 9/9. 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.
Sun 12/66:50 am -
1 stop29h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$743
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $525 (United Airlines) |
One-way from | $239 (United Airlines) |
Popular in | July |
Cheapest in | October |
Average price | $463 |
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 7,457,451 searches. Data last updated September 10, 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
Cheapest round-trip
Quickest round-trip
MissoulaSan José
MSO Missoula Johnson-Bell Field - SJO San José Juan Santamaria Intl
MSOSJO
Missoula Johnson-Bell Field
Sat 11/7
2:37 pm-6:25 am
2 stops14h 48m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$239
MissoulaSan José
MSO Missoula Johnson-Bell Field - SJO San José Juan Santamaria Intl
MSOSJO
Missoula Johnson-Bell Field
Tue 9/15
7:00 am-12:21 pm
2 stops29h 21m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$304
MissoulaSan José
MSO Missoula Johnson-Bell Field - SJO San José Juan Santamaria Intl
MSOSJO
Missoula Johnson-Bell Field
Sat 11/7
6:50 am-1:46 pm
1 stop29h 56m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$307
MissoulaSan José
MSO Missoula Johnson-Bell Field - SJO San José Juan Santamaria Intl
MSOSJO
Missoula Johnson-Bell Field
Sun 12/6
6:15 am-1:22 pm
2 stops54h 07m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$329
MissoulaSan José
MSO Missoula Johnson-Bell Field - SJO San José Juan Santamaria Intl
MSOSJO
Missoula Johnson-Bell Field
Sat 11/7
4:21 pm-1:25 am
3 stops56h 04m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$489
MissoulaSan José
MSO Missoula Johnson-Bell Field - SJO San José Juan Santamaria Intl
MSOSJO
Missoula Johnson-Bell Field
Sun 12/6
6:40 am-8:35 am
3 stops24h 55m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$515
MissoulaSan José
MSO Missoula Johnson-Bell Field - SJO San José Juan Santamaria Intl
MSOSJO
Missoula Johnson-Bell Field
Wed 1/20
5:40 am-10:05 pm
2 stops15h 25m
San José Juan Santamaria Intl
Tue 1/26
7:05 am-12:36 pm
2 stops30h 31m
$563
MissoulaSan José
MSO Missoula Johnson-Bell Field - SJO San José Juan Santamaria Intl
MSOSJO
Missoula Johnson-Bell Field
Thu 1/21
8:00 am-12:45 pm
2 stops27h 45m
San José Juan Santamaria Intl
Tue 1/26
7:05 am-12:36 pm
2 stops30h 31m
$563
MissoulaSan José
MSO Missoula Johnson-Bell Field - SJO San José Juan Santamaria Intl
MSOSJO
Missoula Johnson-Bell Field
Tue 9/15
2:05 pm-12:15 pm
3 stops46h 10m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$571
MissoulaSan José
MSO Missoula Johnson-Bell Field - SJO San José Juan Santamaria Intl
MSOSJO
Missoula Johnson-Bell Field
Mon 2/1
6:15 am-12:15 pm
2 stops53h 00m
San José Juan Santamaria Intl
Fri 2/5
8:45 am-1:27 pm
2 stops29h 42m
$663
Showing 1-10 of 13 resultsSorted 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.
MSO-SJO
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
MSO-CR0
MSO-SJO
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 $332). 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 September 10, 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.
Crew
8.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.6
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Crew
8.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.6
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Crew
8.1
Overall
7.4
Boarding
7.7
Comfort
7.3
Food
6.6
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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.
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Alternative routes for Missoula to Costa Rica
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Complete your trip
Complete your trip to Costa Rica by adding a car rental and/or hotel reservation to your travel itinerary.
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Missoula and Costa Rica flights
Browse other Missoula and Costa Rica flight options. Last updated on September 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$188 | Average$700 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$465 | Average$703 | FlexibilityNo cancel fee | On-time71% |