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Cheap flights from Montana to Costa Rica from $133

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 11/8. 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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Find the cheapest flights from Montana to Costa Rica

Cheap round-trip flights

Alaska Airlines Logo
8:00 am - 12:38 amBZN-SJO
39h 38m2 stops
Alaska Airlines Logo
1:58 am - 12:15 amSJO-BZN
23h 17m2 stops
$315Alaska Airlines
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Sat, Nov 8 - Sun, Nov 16
United Airlines Logo
4:17 pm - 7:15 amMSO-SJO
14h 58m1 stop
United Airlines Logo
1:30 pm - 9:57 amSJO-MSO
20h 27m2 stops
$347United Airlines
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Thu, Sep 18 - Thu, Sep 25
Delta Logo
6:00 am - 12:00 pmBZN-LIR
30h 00m2 stops
Delta Logo
1:25 pm - 11:15 amLIR-BZN
21h 50m2 stops
$377Delta
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Mon, Sep 29 - Wed, Oct 1
American Airlines Logo
7:20 am - 5:52 pmBZN-SJO
10h 32m1 stop
American Airlines Logo
7:27 am - 7:17 pmSJO-BZN
11h 50m1 stop
$398American Airlines
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Thu, Sep 25 - Mon, Sep 29
American Airlines Logo
7:20 am - 5:52 pmBZN-SJO
10h 32m1 stop
American Airlines Logo
12:12 pm - 11:46 amSJO-BZN
23h 34m2 stops
$402American Airlines
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Thu, Sep 25 - Mon, Sep 29
Delta Logo
6:09 pm - 12:40 pmGTF-LIR
17h 31m2 stops
Delta Logo
2:10 pm - 12:29 pmLIR-GTF
23h 19m2 stops
$480Delta
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Tue, Nov 4 - Tue, Nov 11
Southwest Logo
6:00 am - 6:55 pmBZN-SJO
12h 55m2 stops
Southwest Logo
8:50 am - 11:35 pmSJO-BZN
14h 45m2 stops
$563Southwest
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Tue, Aug 19 - Mon, Aug 25
Southwest Logo
6:00 am - 6:55 pmBZN-SJO
12h 55m2 stops
Southwest Logo
8:45 am - 9:30 pmSJO-BZN
12h 45m2 stops
$573Southwest
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Tue, Aug 19 - Sat, Aug 30
Logo
6:30 pm - 10:35 amMSO-SJO
15h 05m2 stops
Logo
6:34 am - 7:46 pmSJO-MSO
14h 12m1 stop
$635
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Sun, Dec 7 - Thu, Dec 11
Logo
1:51 pm - 5:52 pmMSO-SJO
28h 01m1 stop
Logo
1:00 pm - 12:18 pmSJO-MSO
23h 18m2 stops
$645
Find Deal
Sat, Sep 27 - Tue, Oct 7

United Airlines flights from Montana to Costa Rica

Our best United Airlines deals on Montana to Costa Rica flight tickets
United Airlines
Sep 18
MSO4:17 pmMissoula Johnson-Bell Field
14h 58m
1 stop
SJO7:15 amSan José Juan Santamaria Intl
Sep 25
SJO1:30 pmSan José Juan Santamaria Intl
20h 27m
2 stops
MSO9:57 amMissoula Johnson-Bell Field
$347
Find similar
United Airlines
Sep 25
BZN4:30 pmBozeman Gallatin Field
19h 56m
2 stops
SJO12:26 pmSan José Juan Santamaria Intl
Sep 29
SJO1:30 pmSan José Juan Santamaria Intl
20h 23m
2 stops
BZN9:53 amBozeman Gallatin Field
$372
Find similar
United Airlines
Nov 8
BZN4:35 pmBozeman Gallatin Field
17h 50m
2 stops
SJO11:25 amSan José Juan Santamaria Intl
Nov 16
SJO7:30 amSan José Juan Santamaria Intl
9h 00m
1 stop
BZN3:30 pmBozeman Gallatin Field
$392
Find similar

Air Canada flights from Montana to Costa Rica

Our best Air Canada deals on Montana to Costa Rica flight tickets
Air Canada
Aug 21
BIL5:00 amBillings Logan Intl
15h 25m
2 stops
SJO8:25 pmSan José Juan Santamaria Intl
Aug 28
SJO7:55 amSan José Juan Santamaria Intl
38h 04m
2 stops
BIL9:59 pmBillings Logan Intl
$1,591
Find similar
Air Canada
Aug 19
BIL7:00 amBillings Logan Intl
15h 50m
2 stops
SJO10:50 pmSan José Juan Santamaria Intl
Aug 24
SJO8:00 amSan José Juan Santamaria Intl
29h 17m
2 stops
BIL1:17 pmBillings Logan Intl
$1,784
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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 August 5, 2025.
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

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Sat 11/8

8:00 am-12:38 am

2 stops39h 38m

San José Juan Santamaria Intl

Sun 11/16

1:58 am-12:15 am

2 stops23h 17m

$315

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Thu 9/18

4:17 pm-7:15 am

1 stop14h 58m

San José Juan Santamaria Intl

Thu 9/25

1:30 pm-9:57 am

2 stops20h 27m

$347

BozemanLiberia

BZN - LIR

BZNLIR

Bozeman Gallatin Field

Mon 9/29

6:00 am-12:00 pm

2 stops30h 00m

Liberia

Wed 10/1

1:25 pm-11:15 am

2 stops21h 50m

$377

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Thu 9/25

7:20 am-5:52 pm

1 stop10h 32m

San José Juan Santamaria Intl

Mon 9/29

7:27 am-7:17 pm

1 stop11h 50m

$398

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Thu 9/25

7:20 am-5:52 pm

1 stop10h 32m

San José Juan Santamaria Intl

Mon 9/29

12:12 pm-11:46 am

2 stops23h 34m

$402

Great FallsLiberia

GTF - LIR

GTFLIR

Great Falls

Tue 11/4

6:09 pm-12:40 pm

2 stops17h 31m

Liberia

Tue 11/11

2:10 pm-12:29 pm

2 stops23h 19m

$480

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Tue 8/19

6:00 am-6:55 pm

2 stops12h 55m

San José Juan Santamaria Intl

Mon 8/25

8:50 am-11:35 pm

2 stops14h 45m

$563

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Tue 8/19

6:00 am-6:55 pm

2 stops12h 55m

San José Juan Santamaria Intl

Sat 8/30

8:45 am-9:30 pm

2 stops12h 45m

$573

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 12/7

6:30 pm-10:35 am

2 stops15h 05m

San José Juan Santamaria Intl

Thu 12/11

6:34 am-7:46 pm

1 stop14h 12m

$635

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sat 9/27

1:51 pm-5:52 pm

1 stop28h 01m

San José Juan Santamaria Intl

Tue 10/7

1:00 pm-12:18 pm

2 stops23h 18m

$645

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 November. Flight prices, which tend to average around $541, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in November, then January is your next best option. Flight prices from Montana to Costa Rica during January average around $551.

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 7% 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

Best Price Found

$133

Fastest flight time

8h 07m

Direct flights

None

Airports in Costa Rica

2 airports
The best one-way flight to Costa Rica from Montana in the past 72 hours is $133. The best round-trip flight deal from Montana to Costa Rica found on momondo in the last 72 hours is $315.
The fastest flight from Montana to Costa Rica takes 8h 07m
There are no direct flights from Montana to Costa Rica. Popular non-direct routes for this connection are Bozeman Gallatin Field Airport - Liberia Airport, Bozeman Gallatin Field Airport - San José Juan Santamaria Intl Airport and Missoula Johnson-Bell Field Airport - San José Juan Santamaria Intl Airport.
There are 2 airports near Costa Rica: Liberia (LIR), San José Juan Santamaria Intl (SJO)
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  • 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 $350Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $410Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $457Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $485Free CancellationRating
8.0
4,246 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.

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