What is the cheapest airline that flies from Montana to Costa Rica?

United Airlines, American Airlines, and Southwest are the most popular carriers operating from Montana to Costa Rica

How long is the flight from Montana to Costa Rica?

Flight times vary depending on what airport in Montana you fly out of and what airport in Costa Rica you fly into. For example, flying from Bozeman to San José takes 10h 19m on average. On the other hand, flying from Billings to San José takes 14h on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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 Montana according to our data. United Airlines is the first choice among our users, with 69% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 4 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 Montana to Costa Rica?

Prices for flights from Montana to Costa Rica refresh daily.

How many operators does momondo search for flights from Montana to Costa Rica?

As of November 2025, there are 4 operators available to choose from for flights from Montana to Costa Rica.

How old do you have to be to fly from Montana to Costa Rica?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montana to Costa Rica.

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

The required travel and health documents for your Costa Rica trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Costa Rica. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$133 Cheap Flights from Montana to Costa Rica in 2025/26

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Find the cheapest flights from Montana to Costa Rica

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:13 pm - 1:15 pmBIL-SJO

20h 02m2 stops

6:30 am - 9:23 pmSJO-BIL

15h 53m2 stops

$302United Airlines

Find Deal

Sun, Jan 18 - Tue, Jan 27

2:46 pm - 6:25 amMSO-SJO

14h 39m2 stops

6:40 am - 9:51 pmSJO-MSO

16h 11m2 stops

$302United Airlines

Find Deal

Sat, Jan 24 - Sat, Jan 31

7:00 am - 10:30 pmBZN-SJO

14h 30m1 stop

7:09 am - 10:02 pmSJO-BZN

15h 53m1 stop

$398American Airlines

Find Deal

Fri, Jan 16 - Thu, Jan 29

7:00 am - 11:43 pmMSO-SJO

15h 43m1 stop

6:38 am - 8:45 pmSJO-MSO

15h 07m1 stop

$398American Airlines

Find Deal

Wed, Jan 21 - Fri, Jan 30

7:00 am - 11:59 pmBIL-SJO

15h 59m2 stops

1:16 am - 11:36 pmSJO-BIL

23h 20m2 stops

$444Alaska Airlines

Find Deal

Mon, Jan 19 - Mon, Feb 2

3:35 pm - 11:59 pmBIL-SJO

31h 24m2 stops

1:16 am - 11:36 pmSJO-BIL

23h 20m2 stops

$462Alaska Airlines

Find Deal

Mon, Jan 19 - Tue, Feb 3

3:00 pm - 12:50 pmBZN-LIR

20h 50m2 stops

2:15 pm - 11:00 amLIR-BZN

21h 45m2 stops

$493Delta

Find Deal

Wed, Feb 4 - Fri, Feb 13

3:00 pm - 1:24 pmBZN-LIR

21h 24m2 stops

2:45 pm - 5:48 pmLIR-BZN

28h 03m2 stops

$513Delta

Find Deal

Mon, Jan 5 - Mon, Jan 12

7:13 pm - 11:00 pmBZN-SJO

26h 47m2 stops

6:00 am - 10:48 pmSJO-BZN

17h 48m3 stops

$608Multiple Airlines

Find Deal

Sat, Feb 28 - Sat, Mar 7

1:54 pm - 3:01 pmFCA-SJO

24h 07m2 stops

12:23 am - 11:59 pmSJO-FCA

24h 36m2 stops

$628Multiple Airlines

Find Deal

Mon, Feb 2 - Wed, Feb 18

American Airlines flights from Montana to Costa Rica

Our best American Airlines deals on Montana 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

Feb 2

BIL2:15 pmBillings Logan Intl

21h 28m

2 stops

SJO12:43 pmSan José Juan Santamaria Intl

Feb 10

SJO1:43 pmSan José Juan Santamaria Intl

24h 53m

2 stops

BIL1:36 pmBillings Logan Intl

$402

Find similar

American Airlines

Jan 29

BZN2:13 pmBozeman Gallatin Field

8h 30m

1 stop

SJO11:43 pmSan José Juan Santamaria Intl

Feb 8

SJO7:09 amSan José Juan Santamaria Intl

15h 53m

1 stop

BZN10:02 pmBozeman Gallatin Field

$403

Find similar

Alaska Airlines flights from Montana to Costa Rica

Our best Alaska Airlines deals on Montana to Costa Rica flight tickets

Alaska Airlines

Jan 19

BIL7:00 amBillings Logan Intl

15h 59m

2 stops

SJO11:59 pmSan José Juan Santamaria Intl

Feb 2

SJO1:16 amSan José Juan Santamaria Intl

23h 20m

2 stops

BIL11:36 pmBillings Logan Intl

$444

Find similar

Alaska Airlines

Jan 19

BIL3:35 pmBillings Logan Intl

31h 24m

2 stops

SJO11:59 pmSan José Juan Santamaria Intl

Feb 3

SJO1:16 amSan José Juan Santamaria Intl

23h 20m

2 stops

BIL11:36 pmBillings Logan Intl

$462

Find similar

Alaska Airlines

Jan 21

MSO6:23 amMissoula Johnson-Bell Field

16h 36m

2 stops

SJO11:59 pmSan José Juan Santamaria Intl

Jan 29

SJO1:16 amSan José Juan Santamaria Intl

39h 15m

2 stops

MSO3:31 pmMissoula Johnson-Bell Field

$465

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Sun 1/18

4:13 pm-1:15 pm

2 stops20h 02m

San José Juan Santamaria Intl

Tue 1/27

6:30 am-9:23 pm

2 stops15h 53m

$302

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sat 1/24

2:46 pm-6:25 am

2 stops14h 39m

San José Juan Santamaria Intl

Sat 1/31

6:40 am-9:51 pm

2 stops16h 11m

$302

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Fri 1/16

7:00 am-10:30 pm

1 stop14h 30m

San José Juan Santamaria Intl

Thu 1/29

7:09 am-10:02 pm

1 stop15h 53m

$398

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

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Mon 1/19

7:00 am-11:59 pm

2 stops15h 59m

San José Juan Santamaria Intl

Mon 2/2

1:16 am-11:36 pm

2 stops23h 20m

$444

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Mon 1/19

3:35 pm-11:59 pm

2 stops31h 24m

San José Juan Santamaria Intl

Tue 2/3

1:16 am-11:36 pm

2 stops23h 20m

$462

BozemanLiberia

BZN - LIR

BZNLIR

Bozeman Gallatin Field

Wed 2/4

3:00 pm-12:50 pm

2 stops20h 50m

Liberia

Fri 2/13

2:15 pm-11:00 am

2 stops21h 45m

$493

BozemanLiberia

BZN - LIR

BZNLIR

Bozeman Gallatin Field

Mon 1/5

3:00 pm-1:24 pm

2 stops21h 24m

Liberia

Mon 1/12

2:45 pm-5:48 pm

2 stops28h 03m

$513

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Sat 2/28

7:13 pm-11:00 pm

2 stops26h 47m

San José Juan Santamaria Intl

Sat 3/7

6:00 am-10:48 pm

3 stops17h 48m

$608

KalispellSan José

FCA - SJO

FCASJO

Kalispell Glacier Park

Mon 2/2

1:54 pm-3:01 pm

2 stops24h 07m

San José Juan Santamaria Intl

Wed 2/18

12:23 am-11:59 pm

2 stops24h 36m

$628

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montana 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

Other information

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

According to our data, Tuesday is the cheapest day to fly to Costa Rica from Montana. The lowest ticket price found for a Tuesday departure recently was $586. 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 Saturday because tickets tend to average around $873. 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?

At noon is the cheapest time of day to fly from Montana to Costa Rica when you can find flight prices for as low as $656. Flying to Costa Rica at noon is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly in the afternoon, with an average ticket price of $737. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 31% on your flight if you consider stops on a Montana to Costa Rica flight.

Cheap Montana to Costa Rica flight deals and tips

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

Direct flights	None

There are no direct flights from Montana to Costa Rica. There are no popular flight routes from Montana to Costa Rica.

Search flight deals

When did momondo last update prices for flights from Montana to Costa Rica?
Prices for flights from Montana to Costa Rica refresh daily.
How many operators does momondo search for flights from Montana to Costa Rica?
As of November 2025, there are 4 operators available to choose from for flights from Montana to Costa Rica.
How old do you have to be to fly from Montana to Costa Rica?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montana to Costa Rica.
What documentation or ID do you need to fly to Costa Rica?
The required travel and health documents for your Costa Rica trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Costa Rica. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Montana to Costa Rica

Compare and see reviews for airlines that fly from Montana to Costa Rica with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $350	Free Cancellation	Rating 7.4 9,003 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $391	Free Cancellation	Rating 8.0 11,241 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $402	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
Southwest	PriceFrom $573	Free Cancellation	Rating 8.0 4,240 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Montana 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 Montana to Costa Rica for you.

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

Yes. momondo allows you to filter the results for Montana to Costa Rica flights to just show those with flexible booking policies.

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

Once all potential Montana to Costa Rica flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Costa Rica from Montana are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.