What airlines fly to Costa Rica?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Costa Rica from Missoula according to our data. United Airlines is the first choice among our users, with 73% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 3 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.

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?

The number of operators available for flights from Missoula Johnson-Bell Field Airport to Costa Rica is 2 as of December 2025.

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.

$398 Cheap Flights from Missoula to Costa Rica in 2025/26

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Cheap round-trip flights

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7:00 am - 11:43 pm

MSO

SJO

15h 43m1 stop

6:38 am - 8:45 pm

SJO

MSO

15h 07m1 stop

$398American Airlines

Wed, Jan 21 - Fri, Jan 30

1:21 pm - 12:43 pm

MSO

SJO

22h 22m2 stops

6:38 am - 8:45 pm

SJO

MSO

15h 07m1 stop

$403American Airlines

Wed, Jan 21 - Fri, Jan 30

5:15 pm - 8:39 pm

MSO

SJO

26h 24m2 stops

2:05 pm - 2:05 pm

SJO

MSO

25h 00m2 stops

$413United Airlines

Wed, Jan 21 - Fri, Jan 30

3:52 pm - 11:15 am

MSO

SJO

19h 23m2 stops

2:20 pm - 12:24 pm

SJO

MSO

22h 04m2 stops

$414American Airlines

Sun, May 24 - Sat, May 30

3:52 pm - 11:15 am

MSO

SJO

19h 23m2 stops

11:59 pm - 8:53 pm

SJO

MSO

20h 54m1 stop

$423American Airlines

Sun, May 24 - Sat, May 30

6:23 am - 12:07 am

MSO

SJO

16h 44m2 stops

1:27 am - 12:59 pm

SJO

MSO

36h 32m2 stops

$468Alaska Airlines

Mon, Feb 23 - Thu, Mar 5

1:24 pm - 12:23 pm

MSO

SJO

21h 59m2 stops

7:00 am - 12:54 pm

SJO

MSO

30h 54m1 stop

$473American Airlines

Mon, Feb 23 - Fri, Mar 6

7:00 am - 10:43 pm

MSO

SJO

14h 43m1 stop

3:04 pm - 12:54 pm

SJO

MSO

22h 50m2 stops

$478American Airlines

Wed, Feb 18 - Fri, Feb 27

7:00 am - 10:43 pm

MSO

SJO

14h 43m1 stop

7:00 am - 12:54 pm

SJO

MSO

30h 54m1 stop

$484American Airlines

Wed, Feb 18 - Fri, Feb 27

1:24 pm - 2:53 pm

MSO

SJO

24h 29m2 stops

7:00 am - 12:54 pm

SJO

MSO

30h 54m1 stop

$491American Airlines

Mon, Feb 23 - Fri, Mar 6

American Airlines flights from Missoula to Costa Rica

Our best American Airlines deals on Missoula to Costa Rica flight tickets

American Airlines

Jan 21

MSO7:00 amMissoula Johnson-Bell Field

15h 43m

1 stop

SJO11:43 pmSan José Juan Santamaria Intl

Jan 30

SJO6:38 amSan José Juan Santamaria Intl

15h 07m

1 stop

MSO8:45 pmMissoula Johnson-Bell Field

$398

Find similar

American Airlines

Jan 21

MSO1:21 pmMissoula Johnson-Bell Field

22h 22m

2 stops

SJO12:43 pmSan José Juan Santamaria Intl

Jan 30

SJO6:38 amSan José Juan Santamaria Intl

15h 07m

1 stop

MSO8:45 pmMissoula Johnson-Bell Field

$403

Find similar

American Airlines

May 24

MSO3:52 pmMissoula Johnson-Bell Field

19h 23m

2 stops

SJO11:15 amSan José Juan Santamaria Intl

May 30

SJO2:20 pmSan José Juan Santamaria Intl

22h 04m

2 stops

MSO12:24 pmMissoula Johnson-Bell Field

$414

Find similar

United Airlines flights from Missoula to Costa Rica

Our best United Airlines deals on Missoula to Costa Rica flight tickets

United Airlines

Jan 21

MSO5:15 pmMissoula Johnson-Bell Field

26h 24m

2 stops

SJO8:39 pmSan José Juan Santamaria Intl

Jan 30

SJO2:05 pmSan José Juan Santamaria Intl

25h 00m

2 stops

MSO2:05 pmMissoula Johnson-Bell Field

$413

Find similar

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 26m

1 stop

MSO10:26 pmMissoula Johnson-Bell Field

$569

Find similar

United Airlines

Feb 21

MSO6:15 amMissoula Johnson-Bell Field

23h 10m

2 stops

SJO6:25 amSan José Juan Santamaria Intl

Feb 28

SJO2:20 pmSan José Juan Santamaria Intl

50h 49m

2 stops

MSO4:09 pmMissoula Johnson-Bell Field

$718

Find similar

Fly from

Fly to

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

Wed 1/21

1:21 pm-12:43 pm

2 stops22h 22m

San José Juan Santamaria Intl

Fri 1/30

6:38 am-8:45 pm

1 stop15h 07m

$403

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Wed 1/21

5:15 pm-8:39 pm

2 stops26h 24m

San José Juan Santamaria Intl

Fri 1/30

2:05 pm-2:05 pm

2 stops25h 00m

$413

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 5/24

3:52 pm-11:15 am

2 stops19h 23m

San José Juan Santamaria Intl

Sat 5/30

2:20 pm-12:24 pm

2 stops22h 04m

$414

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 5/24

3:52 pm-11:15 am

2 stops19h 23m

San José Juan Santamaria Intl

Sat 5/30

11:59 pm-8:53 pm

1 stop20h 54m

$423

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Mon 2/23

6:23 am-12:07 am

2 stops16h 44m

San José Juan Santamaria Intl

Thu 3/5

1:27 am-12:59 pm

2 stops36h 32m

$468

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Mon 2/23

1:24 pm-12:23 pm

2 stops21h 59m

San José Juan Santamaria Intl

Fri 3/6

7:00 am-12:54 pm

1 stop30h 54m

$473

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Wed 2/18

7:00 am-10:43 pm

1 stop14h 43m

San José Juan Santamaria Intl

Fri 2/27

3:04 pm-12:54 pm

2 stops22h 50m

$478

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Wed 2/18

7:00 am-10:43 pm

1 stop14h 43m

San José Juan Santamaria Intl

Fri 2/27

7:00 am-12:54 pm

1 stop30h 54m

$484

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Mon 2/23

1:24 pm-2:53 pm

2 stops24h 29m

San José Juan Santamaria Intl

Fri 3/6

7:00 am-12:54 pm

1 stop30h 54m

$491

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Prices

Airlines

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.

What is the cheapest day to depart on your flight to Costa Rica?

According to our data, Sunday is the cheapest day to fly to Costa Rica from Missoula. The lowest ticket price found for a Sunday departure recently was $598. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $946. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

What is the cheapest time of day to depart on your flight to Costa Rica?

In the afternoon is the cheapest time of day to fly from Missoula to Costa Rica when you can find flight prices for as low as $600. Flying to Costa Rica in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly in the morning, with an average ticket price of $782. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 39m
Direct flights	None

The fastest flight from Missoula to Costa Rica takes 16h 39m

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?
The number of operators available for flights from Missoula Johnson-Bell Field Airport to Costa Rica is 2 as of December 2025.
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 Airlines	PriceFrom $396	Free Cancellation	Rating 7.4 9,103 reviews	Search United Airlines flights
American Airlines	PriceFrom $457	Free Cancellation	Rating 7.2 11,053 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $487	Free Cancellation	Rating 8.0 11,506 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.