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Cheap flights from Missoula to Costa Rica from $474

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Missoula to Costa Rica departing on 4/15. 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
6:40 am - 4:06 pm
SJO
-
MSO
9h 26m
1 stop
$474United Airlines
Wed, Apr 15 - Sat, Apr 18
American Airlines Logo
4:44 pm - 1:09 pm
MSO
-
SJO
20h 25m
2 stops
American Airlines Logo
3:08 pm - 1:28 pm
SJO
-
MSO
22h 20m
2 stops
$505American Airlines
Sun, May 24 - Sat, May 30
American Airlines Logo
1:29 pm - 11:05 am
MSO
-
SJO
21h 36m
2 stops
American Airlines Logo
12:57 pm - 12:36 pm
SJO
-
MSO
23h 39m
1 stop
$516American Airlines
Mon, Sep 14 - Thu, Sep 24
United Airlines Logo
4:19 pm - 7:15 am
MSO
-
SJO
14h 56m
1 stop
United Airlines Logo
6:00 am - 10:38 pm
SJO
-
MSO
16h 38m
1 stop
$520United Airlines
Sun, May 24 - Sat, May 30
United Airlines Logo
4:19 pm - 7:15 am
MSO
-
SJO
14h 56m
1 stop
United Airlines Logo
12:30 am - 9:34 pm
SJO
-
MSO
21h 04m
2 stops
$525United Airlines
Sun, May 24 - Fri, May 29
United Airlines Logo
5:15 pm - 10:11 am
MSO
-
SJO
16h 56m
2 stops
United Airlines Logo
6:00 am - 9:30 pm
SJO
-
MSO
15h 30m
2 stops
$532United Airlines
Wed, Apr 15 - Sat, Apr 18
United Airlines Logo
2:26 pm - 10:39 pm
MSO
-
SJO
32h 13m
2 stops
United Airlines Logo
6:00 am - 10:38 pm
SJO
-
MSO
16h 38m
1 stop
$542United Airlines
Sun, May 24 - Sat, May 30
United Airlines Logo
4:19 pm - 10:39 pm
MSO
-
SJO
30h 20m
2 stops
United Airlines Logo
12:30 am - 10:36 pm
SJO
-
MSO
22h 06m
2 stops
$544United Airlines
Fri, Jun 12 - Tue, Jun 16
American Airlines Logo
6:45 am - 10:42 pm
MSO
-
SJO
15h 57m
1 stop
American Airlines Logo
11:59 pm - 4:14 pm
SJO
-
MSO
16h 15m
2 stops
$545American Airlines
Fri, Jun 5 - Sat, Jun 13
American Airlines Logo
2:08 pm - 10:42 pm
MSO
-
SJO
8h 34m
1 stop
American Airlines Logo
11:59 pm - 10:38 pm
SJO
-
MSO
22h 39m
1 stop
$553American Airlines
Fri, Jun 5 - Sat, Jun 13

United Airlines flights from Missoula to Costa Rica

Our best United Airlines deals on Missoula to Costa Rica flight tickets
United Airlines
Apr 15
MSO5:15 pmMissoula Johnson-Bell Field
16h 56m
2 stops
SJO10:11 amSan José Juan Santamaria Intl
Apr 18
SJO6:40 amSan José Juan Santamaria Intl
9h 26m
1 stop
MSO4:06 pmMissoula Johnson-Bell Field
$474
United Airlines
May 24
MSO4:19 pmMissoula Johnson-Bell Field
14h 56m
1 stop
SJO7:15 amSan José Juan Santamaria Intl
May 30
SJO6:00 amSan José Juan Santamaria Intl
16h 38m
1 stop
MSO10:38 pmMissoula Johnson-Bell Field
$520
United Airlines
May 24
MSO4:19 pmMissoula Johnson-Bell Field
14h 56m
1 stop
SJO7:15 amSan José Juan Santamaria Intl
May 29
SJO12:30 amSan José Juan Santamaria Intl
21h 04m
2 stops
MSO9:34 pmMissoula Johnson-Bell Field
$525

Alaska Airlines flights from Missoula to Costa Rica

Our best Alaska Airlines deals on Missoula to Costa Rica flight tickets
Alaska Airlines
May 14
MSO8:02 pmMissoula Johnson-Bell Field
51h 31m
2 stops
SJO11:33 pmSan José Juan Santamaria Intl
May 20
SJO12:53 amSan José Juan Santamaria Intl
23h 06m
2 stops
MSO11:59 pmMissoula Johnson-Bell Field
$655
Alaska Airlines
May 18
MSO8:02 pmMissoula Johnson-Bell Field
27h 31m
2 stops
SJO11:33 pmSan José Juan Santamaria Intl
May 30
SJO12:53 amSan José Juan Santamaria Intl
23h 06m
2 stops
MSO11:59 pmMissoula Johnson-Bell Field
$675
Alaska Airlines
Apr 21
MSO7:00 amMissoula Johnson-Bell Field
16h 53m
2 stops
SJO11:53 pmSan José Juan Santamaria Intl
Apr 29
SJO12:55 amSan José Juan Santamaria Intl
22h 55m
2 stops
MSO11:50 pmMissoula Johnson-Bell Field
$869

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 April 1, 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

Cheapest round-trip
Quickest round-trip

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Wed 4/15

5:15 pm-10:11 am

2 stops16h 56m

San José Juan Santamaria Intl

Sat 4/18

6:40 am-4:06 pm

1 stop9h 26m

$474

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 5/24

4:44 pm-1:09 pm

2 stops20h 25m

San José Juan Santamaria Intl

Sat 5/30

3:08 pm-1:28 pm

2 stops22h 20m

$505

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Mon 9/14

1:29 pm-11:05 am

2 stops21h 36m

San José Juan Santamaria Intl

Thu 9/24

12:57 pm-12:36 pm

1 stop23h 39m

$516

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 5/24

4:19 pm-7:15 am

1 stop14h 56m

San José Juan Santamaria Intl

Sat 5/30

6:00 am-10:38 pm

1 stop16h 38m

$520

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 5/24

4:19 pm-7:15 am

1 stop14h 56m

San José Juan Santamaria Intl

Fri 5/29

12:30 am-9:34 pm

2 stops21h 04m

$525

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Wed 4/15

5:15 pm-10:11 am

2 stops16h 56m

San José Juan Santamaria Intl

Sat 4/18

6:00 am-9:30 pm

2 stops15h 30m

$532

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 5/24

2:26 pm-10:39 pm

2 stops32h 13m

San José Juan Santamaria Intl

Sat 5/30

6:00 am-10:38 pm

1 stop16h 38m

$542

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Fri 6/12

4:19 pm-10:39 pm

2 stops30h 20m

San José Juan Santamaria Intl

Tue 6/16

12:30 am-10:36 pm

2 stops22h 06m

$544

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Fri 6/5

6:45 am-10:42 pm

1 stop15h 57m

San José Juan Santamaria Intl

Sat 6/13

11:59 pm-4:14 pm

2 stops16h 15m

$545

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Fri 6/5

2:08 pm-10:42 pm

1 stop8h 34m

San José Juan Santamaria Intl

Sat 6/13

11:59 pm-10:38 pm

1 stop22h 39m

$553

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

14h 56m

Direct flights

None
The fastest flight from Missoula to Costa Rica takes 14h 56m
There are no direct flights from Missoula to Costa Rica. There are no popular flight routes from Missoula to Costa Rica.
Search flight deals

Frequently asked questions about flying from Missoula to Costa Rica

  • 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
9,529 reviews
Search United Airlines flights
American AirlinesPriceFrom $457Free CancellationRating
7.1
11,544 reviews
Search American 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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