Costa Rica

$585+ Cheap flights from Missoula (MSO) to Costa Rica

MSO — SJO
Nov 29 — Dec 61
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.

Cheap flight deals from Missoula to Costa Rica

Cheapest flights from Missoula to Costa Rica

Fri 12/116:15 am -
1 stop14h 45m
Fri 12/187:30 am -
1 stop9h 52m
Deal found 10/27$852
Fri 12/116:35 am -
2 stops13h 16m
Fri 12/183:08 pm -
1 stop32h 25m
Deal found 10/27$905
Wed 12/305:24 pm -
2 stops18h 46m
Sat 1/91:00 pm -
1 stop9h 52m
Deal found 10/27$974
Sun 12/137:01 am -
2 stops16h 25m
Sat 12/191:36 am -
2 stops23h 23m
Deal found 10/29$1,056
Sun 12/139:50 am -
2 stops26h 32m
Sun 12/207:30 am -
1 stop15h 10m
Deal found 10/29$1,165
Sun 12/137:01 am -
2 stops16h 25m
Sun 12/205:35 am -
3 stops19h 24m
Deal found 10/29$1,398
Tue 12/225:24 pm -
1 stop27h 36m
Mon 1/47:30 am -
1 stop9h 52m
Deal found 10/30$1,520
Sat 12/264:07 pm -
2 stops31h 09m
Sun 1/38:43 am -
2 stops13h 57m
Deal found 10/26$1,572
Wed 12/304:07 pm -
2 stops14h 05m
Sat 1/98:33 am -
3 stops28h 49m
Deal found 10/27$1,583
Fri 12/254:07 pm -
2 stops31h 09m
Sat 1/28:43 am -
2 stops13h 57m
Deal found 10/27$1,732
Tue 12/221:28 pm -
2 stops24h 07m
Mon 1/46:22 am -
2 stops15h 25m
Deal found 10/30$1,763
Sat 12/267:00 am -
2 stops26h 35m
Sun 1/36:22 am -
2 stops31h 36m
Deal found 10/26$1,783

Find flight deals from Missoula to Costa Rica

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$585
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$332
Provider with most accurate pricing for Missoula Johnson-Bell Field-San José Juan Santamaria Intl flight deals.
Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-San José Juan Santamaria Intl flights.
From Missoula Johnson-Bell Field to Costa Rica
Highest demand for flights based on searches. 6% potential increase in price ($48 potential increase over avg. RT price).
Cheapest flight prices on average. 8% potential price decrease ($54 potential savings vs. average RT price).
Average for round-trip flights in October 2026

Cheapflights Fare Finder

 
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

MissoulaSan José

MSO Missoula Johnson-Bell Field - SJO San José Juan Santamaria Intl

MSOSJO

Missoula Johnson-Bell Field

Fri 1/29

6:10 am-8:39 pm

2 stops13h 29m

San José Juan Santamaria Intl

Mon 2/8

1:15 am-1:36 pm

2 stops13h 21m

$585

MissoulaSan José

MSO Missoula Johnson-Bell Field - SJO San José Juan Santamaria Intl

MSOSJO

Missoula Johnson-Bell Field

Sun 2/21

6:40 am-11:57 pm

2 stops16h 17m

San José Juan Santamaria Intl

Thu 2/25

1:45 am-11:59 pm

2 stops23h 14m

$603

MissoulaSan José

MSO Missoula Johnson-Bell Field - SJO San José Juan Santamaria Intl

MSOSJO

Missoula Johnson-Bell Field

Mon 2/1

4:22 pm-11:25 pm

2 stops30h 03m

San José Juan Santamaria Intl

Thu 2/4

1:23 am-12:22 pm

2 stops35h 59m

$617

MissoulaLiberia

MSO Missoula Johnson-Bell Field - LIR Liberia

MSOLIR

Missoula Johnson-Bell Field

Wed 2/17

2:43 pm-1:10 pm

2 stops21h 27m

Liberia

Wed 3/3

8:45 am-9:59 pm

2 stops14h 14m

$623

MissoulaSan José

MSO Missoula Johnson-Bell Field - SJO San José Juan Santamaria Intl

MSOSJO

Missoula Johnson-Bell Field

Sun 2/21

6:40 am-11:57 pm

2 stops16h 17m

San José Juan Santamaria Intl

Sun 2/28

1:45 am-11:59 pm

2 stops23h 14m

$635

MissoulaLiberia

MSO Missoula Johnson-Bell Field - LIR Liberia

MSOLIR

Missoula Johnson-Bell Field

Wed 3/31

6:40 am-6:45 am

2 stops24h 05m

Liberia

Tue 4/6

6:35 pm-11:59 pm

2 stops29h 24m

$688

MissoulaLiberia

MSO Missoula Johnson-Bell Field - LIR Liberia

MSOLIR

Missoula Johnson-Bell Field

Tue 3/30

4:13 pm-6:45 am

2 stops14h 32m

Liberia

Wed 4/7

6:35 pm-1:36 pm

2 stops19h 01m

$688

MissoulaSan José

MSO Missoula Johnson-Bell Field - SJO San José Juan Santamaria Intl

MSOSJO

Missoula Johnson-Bell Field

Sun 2/21

1:18 pm-1:13 pm

2 stops22h 55m

San José Juan Santamaria Intl

Sun 2/28

12:25 am-9:59 pm

1 stop22h 34m

$695

MissoulaSan José

MSO Missoula Johnson-Bell Field - SJO San José Juan Santamaria Intl

MSOSJO

Missoula Johnson-Bell Field

Fri 1/29

9:45 am-10:00 pm

1 stop11h 15m

San José Juan Santamaria Intl

Sun 2/7

7:30 am-9:52 pm

1 stop15h 22m

$711

MissoulaLiberia

MSO Missoula Johnson-Bell Field - LIR Liberia

MSOLIR

Missoula Johnson-Bell Field

Sun 1/31

2:02 pm-8:31 pm

2 stops29h 29m

Liberia

Wed 2/10

8:33 am-9:24 pm

2 stops13h 51m

$712

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 16 resultsSorted by cheapest first
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

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 $463). Flying from Missoula to Costa Rica in October is currently the most expensive (average of $1,459). 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

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.

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.7

Entertainment

7.1

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.7

Entertainment

7.1

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.7

Entertainment

7.1

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

  • 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 $585, United Airlines can have you in Costa Rica from Missoula in 13h 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, September is the cheapest month in which you can book a flight from Missoula to Costa Rica (average of $463). Flying from Missoula to Costa Rica in October is currently the most expensive (average of $1,459). 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

Alternative routes for Missoula to Costa Rica

Top 2 airlines flying from Missoula to Costa Rica

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$188Average$748FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$465Average$755FlexibilityNo 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.