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Cheap flights from Montana to San José 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 San José departing on 2/3. 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 San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:45 pm - 1:15 pmBIL-SJO
21h 30m2 stops
United Airlines Logo
6:30 am - 9:23 pmSJO-BIL
15h 53m2 stops
$302United Airlines
Find Deal
Sun, Jan 18 - Tue, Jan 27
United Airlines Logo
4:13 pm - 1:15 pmBIL-SJO
20h 02m2 stops
United Airlines Logo
7:30 am - 3:20 pmSJO-BIL
8h 50m1 stop
$369United Airlines
Find Deal
Thu, Jan 29 - Sat, Feb 7
United Airlines Logo
5:15 pm - 1:15 pmMSO-SJO
19h 00m2 stops
United Airlines Logo
2:20 pm - 1:32 pmSJO-MSO
24h 12m2 stops
$372United Airlines
Find Deal
Fri, Jan 30 - Mon, Mar 2
American Airlines Logo
1:50 pm - 9:55 pmBZN-SJO
8h 05m1 stop
American Airlines Logo
6:00 am - 7:15 pmSJO-BZN
13h 15m1 stop
$398American Airlines
Find Deal
Tue, Mar 10 - Tue, Mar 17
Delta Logo
3:50 pm - 6:59 amBZN-SJO
14h 09m1 stop
Delta Logo
8:25 am - 10:27 pmSJO-BZN
15h 02m2 stops
$400Delta
Find Deal
Fri, Jan 30 - Sat, Feb 7
United Airlines Logo
2:46 pm - 8:32 amMSO-SJO
16h 46m1 stop
United Airlines Logo
2:20 pm - 1:32 pmSJO-MSO
24h 12m2 stops
$401United Airlines
Find Deal
Sat, Jan 31 - Mon, Mar 2
American Airlines Logo
2:13 pm - 12:43 pmBZN-SJO
21h 30m2 stops
American Airlines Logo
3:56 pm - 12:55 pmSJO-BZN
21h 59m2 stops
$402American Airlines
Find Deal
Thu, Feb 5 - Sat, Feb 14
American Airlines Logo
2:15 pm - 1:54 pmBIL-SJO
22h 39m2 stops
American Airlines Logo
4:01 pm - 1:36 pmSJO-BIL
22h 35m2 stops
$402American Airlines
Find Deal
Thu, Jan 29 - Fri, Feb 6
Alaska Airlines Logo
7:00 am - 12:07 amBZN-SJO
16h 07m2 stops
Alaska Airlines Logo
1:27 am - 11:56 pmSJO-BZN
23h 29m2 stops
$417Alaska Airlines
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Mon, Feb 23 - Tue, Mar 3
Alaska Airlines Logo
6:25 am - 11:59 pmFCA-SJO
16h 34m2 stops
Alaska Airlines Logo
1:16 am - 11:58 pmSJO-FCA
23h 42m2 stops
$432Alaska Airlines
Find Deal
Sun, Feb 1 - Sat, Feb 7

Alaska Airlines flights from Montana to San José

Our best Alaska Airlines deals on Montana to San José flight tickets
Alaska Airlines
Feb 23
BZN7:00 amBozeman Gallatin Field
16h 07m
2 stops
SJO12:07 amSan José Juan Santamaria Intl
Mar 3
SJO1:27 amSan José Juan Santamaria Intl
23h 29m
2 stops
BZN11:56 pmBozeman Gallatin Field
$417
Find similar
Alaska Airlines
Feb 1
FCA6:25 amKalispell Glacier Park
16h 34m
2 stops
SJO11:59 pmSan José Juan Santamaria Intl
Feb 7
SJO1:16 amSan José Juan Santamaria Intl
23h 42m
2 stops
FCA11:58 pmKalispell Glacier Park
$432
Find similar
Alaska Airlines
Feb 18
MSO6:23 amMissoula Johnson-Bell Field
16h 44m
2 stops
SJO12:07 amSan José Juan Santamaria Intl
Feb 26
SJO1:27 amSan José Juan Santamaria Intl
23h 32m
2 stops
MSO11:59 pmMissoula Johnson-Bell Field
$452
Find similar

American Airlines flights from Montana to San José

Our best American Airlines deals on Montana to San José flight tickets
American Airlines
Mar 10
BZN1:50 pmBozeman Gallatin Field
8h 05m
1 stop
SJO9:55 pmSan José Juan Santamaria Intl
Mar 17
SJO6:00 amSan José Juan Santamaria Intl
13h 15m
1 stop
BZN7:15 pmBozeman Gallatin Field
$398
Find similar
American Airlines
Feb 5
BZN2:13 pmBozeman Gallatin Field
21h 30m
2 stops
SJO12:43 pmSan José Juan Santamaria Intl
Feb 14
SJO3:56 pmSan José Juan Santamaria Intl
21h 59m
2 stops
BZN12:55 pmBozeman Gallatin Field
$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

momondo Fare Finder

 
Customize your flight search to find flights from Montana to San José 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 November 12, 2025.
Use the filters below to find and compare flights from Montana to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Sun 1/18

2:45 pm-1:15 pm

2 stops21h 30m

San José Juan Santamaria Intl

Tue 1/27

6:30 am-9:23 pm

2 stops15h 53m

$302

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Thu 1/29

4:13 pm-1:15 pm

2 stops20h 02m

San José Juan Santamaria Intl

Sat 2/7

7:30 am-3:20 pm

1 stop8h 50m

$369

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Fri 1/30

5:15 pm-1:15 pm

2 stops19h 00m

San José Juan Santamaria Intl

Mon 3/2

2:20 pm-1:32 pm

2 stops24h 12m

$372

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Tue 3/10

1:50 pm-9:55 pm

1 stop8h 05m

San José Juan Santamaria Intl

Tue 3/17

6:00 am-7:15 pm

1 stop13h 15m

$398

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Fri 1/30

3:50 pm-6:59 am

1 stop14h 09m

San José Juan Santamaria Intl

Sat 2/7

8:25 am-10:27 pm

2 stops15h 02m

$400

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sat 1/31

2:46 pm-8:32 am

1 stop16h 46m

San José Juan Santamaria Intl

Mon 3/2

2:20 pm-1:32 pm

2 stops24h 12m

$401

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Thu 2/5

2:13 pm-12:43 pm

2 stops21h 30m

San José Juan Santamaria Intl

Sat 2/14

3:56 pm-12:55 pm

2 stops21h 59m

$402

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Thu 1/29

2:15 pm-1:54 pm

2 stops22h 39m

San José Juan Santamaria Intl

Fri 2/6

4:01 pm-1:36 pm

2 stops22h 35m

$402

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Mon 2/23

7:00 am-12:07 am

2 stops16h 07m

San José Juan Santamaria Intl

Tue 3/3

1:27 am-11:56 pm

2 stops23h 29m

$417

KalispellSan José

FCA - SJO

FCASJO

Kalispell Glacier Park

Sun 2/1

6:25 am-11:59 pm

2 stops16h 34m

San José Juan Santamaria Intl

Sat 2/7

1:16 am-11:58 pm

2 stops23h 42m

$432

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 San José from

How to get the cheapest flight ticket from Montana to San José

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 day to depart on your flight to San José?

On average, the least expensive day to fly to San José from Montana is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $586. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Montana to San José on a Saturday will generally be more expensive and average around $873. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San José?

Our data shows that the cheapest Montana to San José flights are usually those with departure times at noon. Our users have found flights to San José at noon for as low as $656. Flights in the afternoon are often more expensive with an average ticket price of $737.

Can stopping save me money on Montana to San José flights?

You could potentially save up to 62% on your flight if you consider stops on a Montana to San José flight.

Cheap Montana to San José flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to San José

Direct flights

None
There are no direct flights from Montana to San José. There are no popular flight routes from Montana to San José.
Search flight deals

  • When did momondo last update prices for flights from Montana to San José Juan Santamaria Intl Airport?

    Prices for flights from Montana to San José Juan Santamaria Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Montana to San José Juan Santamaria Intl Airport?

  • How old do you have to be to fly from Montana to San José Juan Santamaria Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montana to San José Juan Santamaria Intl Airport.

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The necessary travel and health documents for your San José Juan Santamaria Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Montana to San José

Compare and see reviews for airlines that fly from Montana to San José with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $350Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
American AirlinesPriceFrom $402Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
SouthwestPriceFrom $573Free CancellationRating
8.0
4,235 reviews
Search Southwest flights

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Jacó
Alajuela
Monteverde
Heredia
Dominical
Santa Elena
Esterillos Este

Why use momondo?

Why should I use momondo to find a flight deal from Montana to San José?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San José from Montana.

Can I find flights from Montana to San José with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San José from Montana with this policy.

How can momondo help me find flights from Montana to San José?

Once you have performed a search for Montana to San José flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to San José, momondo offers a useful price alert feature which will track prices for flights to San José from Montana and alert you when they change.

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