Cheap flights from Montana to Costa Rica from $250

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 9/16. 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.
Multiple Airlines Logo
7:15 am - 11:15 pm
MSO
-
SJO
16h 00m
2 stops
Multiple Airlines Logo
5:45 am - 10:38 pm
SJO
-
MSO
16h 53m
2 stops
$505Multiple Airlines
Sun, May 24 - Sat, May 30
Southwest Logo
8:30 am - 6:40 pm
BZN
-
SJO
10h 10m
2 stops
Southwest Logo
9:00 am - 10:25 pm
SJO
-
BZN
13h 25m
2 stops
$519Southwest
Wed, Sep 2 - Tue, Sep 8
Alaska Airlines Logo
11:16 am - 6:45 pm
BZN
-
LIR
30h 29m
2 stops
Alaska Airlines Logo
10:00 am - 10:37 am
LIR
-
BZN
25h 37m
2 stops
$520Alaska Airlines
Tue, Nov 3 - Thu, Nov 5
Alaska Airlines Logo
7:07 pm - 6:55 pm
BZN
-
LIR
22h 48m
2 stops
Alaska Airlines Logo
10:00 am - 1:10 pm
LIR
-
BZN
52h 10m
2 stops
$522Alaska Airlines
Tue, Nov 3 - Thu, Nov 5
American Airlines Logo
1:52 pm - 1:39 pm
BZN
-
SJO
22h 47m
2 stops
American Airlines Logo
1:09 pm - 1:01 pm
SJO
-
BZN
24h 52m
2 stops
$525American Airlines
Tue, Nov 3 - Fri, Nov 13
American Airlines Logo
2:02 pm - 2:10 pm
BIL
-
SJO
24h 08m
2 stops
American Airlines Logo
6:22 am - 9:15 pm
SJO
-
BIL
15h 53m
1 stop
$525American Airlines
Sat, Oct 31 - Wed, Nov 11
American Airlines Logo
1:52 pm - 10:59 pm
BZN
-
SJO
8h 07m
1 stop
American Airlines Logo
6:22 am - 1:01 pm
SJO
-
BZN
31h 39m
1 stop
$531American Airlines
Tue, Nov 3 - Fri, Nov 13
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
$540United Airlines
Sun, May 24 - Sat, May 30
United Airlines Logo
2:40 pm - 11:25 am
BIL
-
SJO
20h 45m
2 stops
United Airlines Logo
8:45 am - 8:51 pm
SJO
-
BIL
13h 06m
2 stops
$545United Airlines
Sat, Oct 31 - Wed, Nov 11
GOL Logo
1:40 pm - 1:58 pm
BZN
-
SJO
24h 18m
1 stop
GOL Logo
2:45 pm - 12:50 pm
SJO
-
BZN
22h 05m
2 stops
$611GOL
Wed, Oct 7 - Tue, Oct 13

American Airlines flights from Montana to Costa Rica

Our best American Airlines deals on Montana to Costa Rica flight tickets
American Airlines
Nov 3
BZN1:52 pmBozeman Gallatin Field
22h 47m
2 stops
SJO1:39 pmSan José Juan Santamaria Intl
Nov 13
SJO1:09 pmSan José Juan Santamaria Intl
24h 52m
2 stops
BZN1:01 pmBozeman Gallatin Field
$525
American Airlines
Nov 3
BZN1:52 pmBozeman Gallatin Field
8h 07m
1 stop
SJO10:59 pmSan José Juan Santamaria Intl
Nov 13
SJO6:22 amSan José Juan Santamaria Intl
31h 39m
1 stop
BZN1:01 pmBozeman Gallatin Field
$531
American Airlines
May 30
BZN6:44 amBozeman Gallatin Field
15h 58m
1 stop
SJO10:42 pmSan José Juan Santamaria Intl
Jun 14
SJO11:59 pmSan José Juan Santamaria Intl
20h 44m
1 stop
BZN8:43 pmBozeman Gallatin Field
$536

United Airlines flights from Montana to Costa Rica

Our best United Airlines deals on Montana to Costa Rica flight tickets
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
$540
United Airlines
Oct 31
BIL2:40 pmBillings Logan Intl
20h 45m
2 stops
SJO11:25 amSan José Juan Santamaria Intl
Nov 11
SJO8:45 amSan José Juan Santamaria Intl
13h 06m
2 stops
BIL8:51 pmBillings Logan Intl
$545
United Airlines
May 16
BZN1:37 pmBozeman Gallatin Field
15h 53m
1 stop
SJO5:30 amSan José Juan Santamaria Intl
May 24
SJO6:40 amSan José Juan Santamaria Intl
30h 40m
1 stop
BZN1:20 pmBozeman Gallatin Field
$548

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 May 12, 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

Cheapest round-trip

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 5/24

7:15 am-11:15 pm

2 stops16h 00m

San José Juan Santamaria Intl

Sat 5/30

5:45 am-10:38 pm

2 stops16h 53m

$505
Quickest round-trip

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Wed 9/2

8:30 am-6:40 pm

2 stops10h 10m

San José Juan Santamaria Intl

Tue 9/8

9:00 am-10:25 pm

2 stops13h 25m

$519

BozemanLiberia

BZN - LIR

BZNLIR

Bozeman Gallatin Field

Tue 11/3

11:16 am-6:45 pm

2 stops30h 29m

Liberia

Thu 11/5

10:00 am-10:37 am

2 stops25h 37m

$520

BozemanLiberia

BZN - LIR

BZNLIR

Bozeman Gallatin Field

Tue 11/3

7:07 pm-6:55 pm

2 stops22h 48m

Liberia

Thu 11/5

10:00 am-1:10 pm

2 stops52h 10m

$522

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Tue 11/3

1:52 pm-1:39 pm

2 stops22h 47m

San José Juan Santamaria Intl

Fri 11/13

1:09 pm-1:01 pm

2 stops24h 52m

$525

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Sat 10/31

2:02 pm-2:10 pm

2 stops24h 08m

San José Juan Santamaria Intl

Wed 11/11

6:22 am-9:15 pm

1 stop15h 53m

$525

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Tue 11/3

1:52 pm-10:59 pm

1 stop8h 07m

San José Juan Santamaria Intl

Fri 11/13

6:22 am-1:01 pm

1 stop31h 39m

$531

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

$540

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Sat 10/31

2:40 pm-11:25 am

2 stops20h 45m

San José Juan Santamaria Intl

Wed 11/11

8:45 am-8:51 pm

2 stops13h 06m

$545

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Wed 10/7

1:40 pm-1:58 pm

1 stop24h 18m

San José Juan Santamaria Intl

Tue 10/13

2:45 pm-12:50 pm

2 stops22h 05m

$611

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 month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from Montana is in January. Flight prices, which tend to average around $188, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in January, then October is your next best option. Flight prices from Montana to Costa Rica during October average around $196.

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

You could potentially save up to 44% 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

Fastest flight time

8h 08m

Direct flights

None
The fastest flight from Montana to Costa Rica takes 8h 08m
There are no direct flights from Montana to Costa Rica. There are no popular flight routes from Montana to Costa Rica.

Frequently asked questions about flying 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
9,702 reviews
Search United Airlines flights
American AirlinesPriceFrom $397Free CancellationRating
7.1
11,665 reviews
Search American Airlines flights
SouthwestPriceFrom $466Free CancellationRating
8.0
4,295 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.

An easier way to manage your Costa Rica trip

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1 adult
Thu 6/11
Thu 6/18

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Popular flights according to clicks in the last 7 days on momondo