Cheap flights from Montana to Costa Rica from $144

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Costa Rica departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:38 pm - 10:11 am
MSO
-
SJO
19h 33m
2 stops
United Airlines Logo
6:00 am - 9:35 pm
SJO
-
MSO
15h 35m
2 stops
$335United Airlines
Sat, Apr 18 - Sat, Apr 25
Southwest Logo
3:20 pm - 12:10 pm
BZN
-
SJO
20h 50m
2 stops
Southwest Logo
9:00 am - 10:00 pm
SJO
-
BZN
13h 00m
2 stops
$402Southwest
Tue, Apr 28 - Tue, May 12
United Airlines Logo
4:20 pm - 7:15 am
BZN
-
SJO
14h 55m
1 stop
United Airlines Logo
1:25 pm - 10:01 am
SJO
-
BZN
20h 36m
2 stops
$407United Airlines
Thu, Apr 23 - Fri, May 1
Alaska Airlines Logo
7:59 pm - 11:45 pm
BZN
-
SJO
27h 46m
2 stops
Alaska Airlines Logo
12:53 am - 7:05 pm
SJO
-
BZN
18h 12m
2 stops
$409Alaska Airlines
Tue, Apr 28 - Tue, May 12
Alaska Airlines Logo
2:03 pm - 11:45 pm
BZN
-
SJO
57h 42m
2 stops
Alaska Airlines Logo
12:53 am - 10:35 am
SJO
-
BZN
33h 42m
2 stops
$422Alaska Airlines
Mon, Apr 27 - Tue, May 12
American Airlines Logo
3:36 pm - 12:31 pm
BZN
-
SJO
19h 55m
2 stops
American Airlines Logo
2:20 pm - 12:38 pm
SJO
-
BZN
22h 18m
2 stops
$424American Airlines
Mon, Mar 2 - Mon, Mar 9
American Airlines Logo
3:36 pm - 2:53 pm
BZN
-
SJO
22h 17m
1 stop
American Airlines Logo
11:35 pm - 12:51 pm
SJO
-
BZN
13h 16m
1 stop
$428American Airlines
Mon, Mar 2 - Mon, Mar 9
Multiple Airlines Logo
7:00 am - 3:19 pm
BIL
-
LIR
8h 19m
1 stop
Multiple Airlines Logo
3:27 pm - 9:39 am
LIR
-
BIL
18h 12m
2 stops
$633Multiple Airlines
Thu, Jun 4 - Wed, Jun 17
Multiple Airlines Logo
5:00 am - 3:19 pm
BIL
-
LIR
10h 19m
1 stop
Multiple Airlines Logo
1:20 pm - 9:39 am
LIR
-
BIL
20h 19m
2 stops
$721Multiple Airlines
Wed, Jun 10 - Wed, Jun 17
Delta Logo
6:10 pm - 12:50 pm
BTM
-
LIR
18h 40m
2 stops
Delta Logo
2:05 pm - 5:08 pm
LIR
-
BTM
27h 03m
2 stops
$2,671Delta
Sat, Mar 21 - Sat, Mar 28

Alaska Airlines flights from Montana to Costa Rica

Our best Alaska Airlines deals on Montana to Costa Rica flight tickets
Alaska Airlines
Apr 28
BZN7:59 pmBozeman Gallatin Field
27h 46m
2 stops
SJO11:45 pmSan José Juan Santamaria Intl
May 12
SJO12:53 amSan José Juan Santamaria Intl
18h 12m
2 stops
BZN7:05 pmBozeman Gallatin Field
$409
Alaska Airlines
Apr 27
BZN2:03 pmBozeman Gallatin Field
57h 42m
2 stops
SJO11:45 pmSan José Juan Santamaria Intl
May 12
SJO12:53 amSan José Juan Santamaria Intl
33h 42m
2 stops
BZN10:35 amBozeman Gallatin Field
$422
Alaska Airlines
Mar 2
BZN7:00 amBozeman Gallatin Field
22h 45m
2 stops
LIR6:45 amLiberia
Mar 9
LIR8:05 amLiberia
30h 03m
2 stops
BZN2:08 pmBozeman Gallatin Field
$456

Azul flights from Montana to Costa Rica

Our best Azul deals on Montana to Costa Rica flight tickets
Azul
Apr 28
BZN6:34 amBozeman Gallatin Field
13h 03m
2 stops
SJO7:37 pmSan José Juan Santamaria Intl
May 12
SJO8:45 amSan José Juan Santamaria Intl
30h 37m
1 stop
BZN3:22 pmBozeman Gallatin Field
$522
Azul
Mar 7
BIL5:50 pmBillings Logan Intl
17h 06m
2 stops
SJO11:56 amSan José Juan Santamaria Intl
Mar 14
SJO5:30 amSan José Juan Santamaria Intl
15h 21m
2 stops
BIL8:51 pmBillings Logan Intl
$549

momondo Fare Finder

 
Customize your flight search to find flights from Montana 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 8, 2026.
Use the filters below to find and compare flights from Montana 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

Sat 4/18

2:38 pm-10:11 am

2 stops19h 33m

San José Juan Santamaria Intl

Sat 4/25

6:00 am-9:35 pm

2 stops15h 35m

$335

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Tue 4/28

3:20 pm-12:10 pm

2 stops20h 50m

San José Juan Santamaria Intl

Tue 5/12

9:00 am-10:00 pm

2 stops13h 00m

$402

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Thu 4/23

4:20 pm-7:15 am

1 stop14h 55m

San José Juan Santamaria Intl

Fri 5/1

1:25 pm-10:01 am

2 stops20h 36m

$407

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Tue 4/28

7:59 pm-11:45 pm

2 stops27h 46m

San José Juan Santamaria Intl

Tue 5/12

12:53 am-7:05 pm

2 stops18h 12m

$409

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Mon 4/27

2:03 pm-11:45 pm

2 stops57h 42m

San José Juan Santamaria Intl

Tue 5/12

12:53 am-10:35 am

2 stops33h 42m

$422

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Mon 3/2

3:36 pm-12:31 pm

2 stops19h 55m

San José Juan Santamaria Intl

Mon 3/9

2:20 pm-12:38 pm

2 stops22h 18m

$424

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Mon 3/2

3:36 pm-2:53 pm

1 stop22h 17m

San José Juan Santamaria Intl

Mon 3/9

11:35 pm-12:51 pm

1 stop13h 16m

$428

BillingsLiberia

BIL - LIR

BILLIR

Billings Logan Intl

Thu 6/4

7:00 am-3:19 pm

1 stop8h 19m

Liberia

Wed 6/17

3:27 pm-9:39 am

2 stops18h 12m

$633

BillingsLiberia

BIL - LIR

BILLIR

Billings Logan Intl

Wed 6/10

5:00 am-3:19 pm

1 stop10h 19m

Liberia

Wed 6/17

1:20 pm-9:39 am

2 stops20h 19m

$721

ButteLiberia

BTM - LIR

BTMLIR

Butte Silver Bow Co

Sat 3/21

6:10 pm-12:50 pm

2 stops18h 40m

Liberia

Sat 3/28

2:05 pm-5:08 pm

2 stops27h 03m

$2,671

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Costa Rica from

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

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

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

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 65% 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.

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

Fastest flight time

8h 43m

Direct flights

None
The fastest flight from Montana to Costa Rica takes 8h 43m
There are no direct flights from Montana to Costa Rica. There are no popular flight routes from Montana to Costa Rica.
  • 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?

  • 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 AirlinesPriceFrom $196Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights
American AirlinesPriceFrom $398Free CancellationRating
7.2
11,255 reviews
Search American Airlines flights
SouthwestPriceFrom $466Free CancellationRating
8.0
4,281 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $487Free CancellationRating
8.0
11,865 reviews
Search Alaska Airlines 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.

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1 adult
Tue 3/10
Tue 3/17

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