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Cheap flights from Missoula to Costa Rica from $164

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missoula to Costa Rica departing on 3/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Missoula to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:15 pm - 10:11 am
MSO
-
SJO
16h 56m
2 stops
United Airlines Logo
1:25 pm - 1:36 pm
SJO
-
MSO
24h 11m
2 stops
$345United Airlines
Mon, Apr 20 - Tue, Apr 28
Alaska Airlines Logo
7:00 am - 11:53 pm
MSO
-
SJO
16h 53m
2 stops
Alaska Airlines Logo
12:55 am - 2:59 pm
SJO
-
MSO
38h 04m
2 stops
$417Alaska Airlines
Tue, Apr 21 - Wed, Apr 29
Alaska Airlines Logo
7:00 am - 11:53 pm
MSO
-
SJO
40h 53m
2 stops
Alaska Airlines Logo
12:55 am - 2:59 pm
SJO
-
MSO
38h 04m
2 stops
$422Alaska Airlines
Mon, Apr 20 - Wed, Apr 29
United Airlines Logo
2:27 pm - 10:11 am
MSO
-
SJO
19h 44m
2 stops
United Airlines Logo
6:00 am - 10:30 pm
SJO
-
MSO
16h 30m
1 stop
$445United Airlines
Sun, May 24 - Sat, May 30
United Airlines Logo
5:27 pm - 10:11 am
MSO
-
SJO
16h 44m
2 stops
United Airlines Logo
6:00 am - 10:30 pm
SJO
-
MSO
16h 30m
1 stop
$455United Airlines
Sun, May 24 - Sat, May 30
Alaska Airlines Logo
7:00 am - 11:53 pm
MSO
-
SJO
40h 53m
2 stops
Alaska Airlines Logo
12:55 am - 2:59 pm
SJO
-
MSO
38h 04m
2 stops
$465Alaska Airlines
Sun, Apr 19 - Wed, Apr 29
United Airlines Logo
6:15 am - 10:11 am
MSO
-
SJO
27h 56m
2 stops
United Airlines Logo
1:25 pm - 9:30 pm
SJO
-
MSO
32h 05m
2 stops
$471United Airlines
Sun, Apr 19 - Wed, Apr 29
United Airlines Logo
5:08 pm - 8:39 pm
MSO
-
SJO
26h 31m
2 stops
United Airlines Logo
2:05 pm - 1:33 pm
SJO
-
MSO
24h 28m
2 stops
$473United Airlines
Mon, Feb 23 - Fri, Mar 6
United Airlines Logo
2:27 pm - 10:11 am
MSO
-
SJO
19h 44m
2 stops
United Airlines Logo
6:00 am - 9:26 pm
SJO
-
MSO
15h 26m
2 stops
$484United Airlines
Sun, May 24 - Sat, May 30
United Airlines Logo
6:15 am - 10:11 am
MSO
-
SJO
27h 56m
2 stops
United Airlines Logo
1:25 pm - 9:30 pm
SJO
-
MSO
32h 05m
2 stops
$501United Airlines
Thu, Apr 23 - Thu, Apr 30

United Airlines flights from Missoula to Costa Rica

Our best United Airlines deals on Missoula to Costa Rica flight tickets
United Airlines
Apr 20
MSO5:15 pmMissoula Johnson-Bell Field
16h 56m
2 stops
SJO10:11 amSan José Juan Santamaria Intl
Apr 28
SJO1:25 pmSan José Juan Santamaria Intl
24h 11m
2 stops
MSO1:36 pmMissoula Johnson-Bell Field
$345
United Airlines
Feb 23
MSO5:08 pmMissoula Johnson-Bell Field
26h 31m
2 stops
SJO8:39 pmSan José Juan Santamaria Intl
Mar 5
SJO2:05 pmSan José Juan Santamaria Intl
24h 28m
2 stops
MSO1:33 pmMissoula Johnson-Bell Field
$434
United Airlines
May 24
MSO2:27 pmMissoula Johnson-Bell Field
19h 44m
2 stops
SJO10:11 amSan José Juan Santamaria Intl
May 30
SJO6:00 amSan José Juan Santamaria Intl
16h 30m
1 stop
MSO10:30 pmMissoula Johnson-Bell Field
$445

American Airlines flights from Missoula to Costa Rica

Our best American Airlines deals on Missoula to Costa Rica flight tickets
American Airlines
Apr 19
MSO1:08 pmMissoula Johnson-Bell Field
21h 59m
2 stops
SJO11:07 amSan José Juan Santamaria Intl
May 2
SJO6:30 amSan José Juan Santamaria Intl
30h 08m
2 stops
MSO12:38 pmMissoula Johnson-Bell Field
$509
American Airlines
Apr 19
MSO1:08 pmMissoula Johnson-Bell Field
21h 59m
2 stops
SJO11:07 amSan José Juan Santamaria Intl
Apr 29
SJO11:35 pmSan José Juan Santamaria Intl
22h 10m
1 stop
MSO9:45 pmMissoula Johnson-Bell Field
$520
American Airlines
Apr 17
MSO6:45 amMissoula Johnson-Bell Field
14h 51m
1 stop
SJO9:36 pmSan José Juan Santamaria Intl
Apr 24
SJO2:22 pmSan José Juan Santamaria Intl
22h 16m
2 stops
MSO12:38 pmMissoula Johnson-Bell Field
$547

momondo 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, momondo users made 832,500 searches. Data last updated February 12, 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

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Mon 4/20

5:15 pm-10:11 am

2 stops16h 56m

San José Juan Santamaria Intl

Tue 4/28

1:25 pm-1:36 pm

2 stops24h 11m

$345

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Tue 4/21

7:00 am-11:53 pm

2 stops16h 53m

San José Juan Santamaria Intl

Wed 4/29

12:55 am-2:59 pm

2 stops38h 04m

$417

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Mon 4/20

7:00 am-11:53 pm

2 stops40h 53m

San José Juan Santamaria Intl

Wed 4/29

12:55 am-2:59 pm

2 stops38h 04m

$422

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 5/24

2:27 pm-10:11 am

2 stops19h 44m

San José Juan Santamaria Intl

Sat 5/30

6:00 am-10:30 pm

1 stop16h 30m

$445

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 5/24

5:27 pm-10:11 am

2 stops16h 44m

San José Juan Santamaria Intl

Sat 5/30

6:00 am-10:30 pm

1 stop16h 30m

$455

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 4/19

7:00 am-11:53 pm

2 stops40h 53m

San José Juan Santamaria Intl

Wed 4/29

12:55 am-2:59 pm

2 stops38h 04m

$465

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 4/19

6:15 am-10:11 am

2 stops27h 56m

San José Juan Santamaria Intl

Wed 4/29

1:25 pm-9:30 pm

2 stops32h 05m

$471

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Mon 2/23

5:08 pm-8:39 pm

2 stops26h 31m

San José Juan Santamaria Intl

Fri 3/6

2:05 pm-1:33 pm

2 stops24h 28m

$473

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 5/24

2:27 pm-10:11 am

2 stops19h 44m

San José Juan Santamaria Intl

Sat 5/30

6:00 am-9:26 pm

2 stops15h 26m

$484

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Thu 4/23

6:15 am-10:11 am

2 stops27h 56m

San José Juan Santamaria Intl

Thu 4/30

1:25 pm-9:30 pm

2 stops32h 05m

$501

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Costa Rica from

How to get the cheapest flight ticket from Missoula to Costa Rica

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Missoula is in October. Flight prices, which tend to average around $332, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in October, then September is your next best option. Flight prices from Missoula to Costa Rica during September average around $412.

Can stopping save me money on Missoula to Costa Rica flights?

You could potentially save up to 49% on your flight if you consider stops on a Missoula to Costa Rica flight.

Cheap Missoula to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missoula to Costa Rica

Fastest flight time

16h 44m

Direct flights

None
The fastest flight from Missoula to Costa Rica takes 16h 44m
There are no direct flights from Missoula to Costa Rica. There are no popular flight routes from Missoula to Costa Rica.
Search flight deals

  • When did momondo last update prices for flights from Missoula Johnson-Bell Field Airport to Costa Rica?

    Prices for flights from Missoula Johnson-Bell Field Airport to Costa Rica are updated daily.

  • How many operators does momondo search for flights from Missoula Johnson-Bell Field Airport to Costa Rica?

  • How old do you have to be to fly from Missoula Johnson-Bell Field Airport to Costa Rica?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missoula Johnson-Bell Field Airport to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The travel and health documents required for your trip to Costa Rica can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Costa Rica. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Missoula to Costa Rica

Compare and see reviews for airlines that fly from Missoula to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $196Free CancellationRating
7.4
9,279 reviews
Search United Airlines flights
American AirlinesPriceFrom $457Free CancellationRating
7.2
11,271 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $487Free CancellationRating
8.0
11,878 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Missoula to Costa Rica?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Missoula to Costa Rica for you.

Can I find flights from Missoula to Costa Rica with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Costa Rica from Missoula with this policy.

How can momondo help me find flights from Missoula to Costa Rica?

momondo provides multiple filters to help you find the best flight to Costa Rica from Missoula. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Missoula to Costa Rica right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Missoula to Costa Rica flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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