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Cheap flights from Montana to San José from $244

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 7/27. 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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0 bags

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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.
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
American Airlines Logo
1:13 pm - 11:05 am
BIL
-
SJO
21h 52m
2 stops
American Airlines Logo
1:05 pm - 11:45 am
SJO
-
BIL
22h 40m
2 stops
$525American Airlines
Wed, Sep 9 - Tue, Sep 15
Multiple Airlines Logo
7:15 am - 11:40 pm
MSO
-
SJO
16h 25m
2 stops
Multiple Airlines Logo
5:45 am - 10:38 pm
SJO
-
MSO
16h 53m
2 stops
$532Multiple Airlines
Sun, May 24 - Sat, May 30
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
American Airlines Logo
1:13 pm - 12:22 pm
BIL
-
SJO
23h 09m
2 stops
American Airlines Logo
6:22 am - 9:15 pm
SJO
-
BIL
15h 53m
1 stop
$543American Airlines
Sat, Oct 31 - Wed, Nov 11
United Airlines Logo
5:51 pm - 11:25 am
BIL
-
SJO
16h 34m
2 stops
United Airlines Logo
8:45 am - 8:51 pm
SJO
-
BIL
13h 06m
2 stops
$545United Airlines
Sat, Nov 7 - Wed, Nov 18
United Airlines Logo
5:20 pm - 10:11 am
MSO
-
SJO
16h 51m
2 stops
United Airlines Logo
6:00 am - 10:38 pm
SJO
-
MSO
16h 38m
1 stop
$545United Airlines
Sun, May 24 - Sat, May 30
United Airlines Logo
4:17 pm - 12:21 pm
FCA
-
SJO
20h 04m
2 stops
United Airlines Logo
1:20 pm - 1:33 pm
SJO
-
FCA
24h 13m
2 stops
$545United Airlines
Tue, Oct 20 - Thu, Oct 29
Southwest Logo
4:20 pm - 12:35 pm
BZN
-
SJO
20h 15m
2 stops
Southwest Logo
9:00 am - 11:00 pm
SJO
-
BZN
14h 00m
2 stops
$669Southwest
Fri, May 22 - Fri, May 29
Alaska Airlines Logo
11:43 am - 11:33 pm
BZN
-
SJO
35h 50m
2 stops
Alaska Airlines Logo
1:06 am - 6:18 pm
SJO
-
BZN
41h 12m
2 stops
$744Alaska Airlines
Tue, Jun 2 - Tue, Jun 9

United Airlines flights from Montana to San José

Our best United Airlines deals on Montana to San José 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 20
FCA4:17 pmKalispell Glacier Park
20h 04m
2 stops
SJO12:21 pmSan José Juan Santamaria Intl
Oct 29
SJO1:20 pmSan José Juan Santamaria Intl
24h 13m
2 stops
FCA1:33 pmKalispell Glacier Park
$545
United Airlines
May 16
BZN4:18 pmBozeman Gallatin Field
14h 57m
1 stop
SJO7:15 amSan José Juan Santamaria Intl
May 24
SJO6:40 amSan José Juan Santamaria Intl
30h 40m
1 stop
BZN1:20 pmBozeman Gallatin Field
$548

GOL flights from Montana to San José

Our best GOL deals on Montana to San José flight tickets
GOL
Oct 7
BZN1:40 pmBozeman Gallatin Field
24h 18m
1 stop
SJO1:58 pmSan José Juan Santamaria Intl
Oct 12
SJO1:05 pmSan José Juan Santamaria Intl
23h 45m
2 stops
BZN12:50 pmBozeman Gallatin Field
$611
GOL
Oct 7
BZN1:40 pmBozeman Gallatin Field
24h 18m
1 stop
SJO1:58 pmSan José Juan Santamaria Intl
Oct 12
SJO12:57 pmSan José Juan Santamaria Intl
23h 53m
1 stop
BZN12:50 pmBozeman Gallatin Field
$619
GOL
Jul 23
BZN5:03 pmBozeman Gallatin Field
20h 08m
2 stops
SJO1:11 pmSan José Juan Santamaria Intl
Jul 27
SJO3:38 pmSan José Juan Santamaria Intl
23h 45m
2 stops
BZN3:23 pmBozeman Gallatin Field
$1,368

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 May 14, 2026.
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

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

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Wed 9/9

1:13 pm-11:05 am

2 stops21h 52m

San José Juan Santamaria Intl

Tue 9/15

1:05 pm-11:45 am

2 stops22h 40m

$525

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 5/24

7:15 am-11:40 pm

2 stops16h 25m

San José Juan Santamaria Intl

Sat 5/30

5:45 am-10:38 pm

2 stops16h 53m

$532

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

1:13 pm-12:22 pm

2 stops23h 09m

San José Juan Santamaria Intl

Wed 11/11

6:22 am-9:15 pm

1 stop15h 53m

$543
Quickest round-trip

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Sat 11/7

5:51 pm-11:25 am

2 stops16h 34m

San José Juan Santamaria Intl

Wed 11/18

8:45 am-8:51 pm

2 stops13h 06m

$545

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sun 5/24

5:20 pm-10:11 am

2 stops16h 51m

San José Juan Santamaria Intl

Sat 5/30

6:00 am-10:38 pm

1 stop16h 38m

$545

KalispellSan José

FCA - SJO

FCASJO

Kalispell Glacier Park

Tue 10/20

4:17 pm-12:21 pm

2 stops20h 04m

San José Juan Santamaria Intl

Thu 10/29

1:20 pm-1:33 pm

2 stops24h 13m

$545

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Fri 5/22

4:20 pm-12:35 pm

2 stops20h 15m

San José Juan Santamaria Intl

Fri 5/29

9:00 am-11:00 pm

2 stops14h 00m

$669

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Tue 6/2

11:43 am-11:33 pm

2 stops35h 50m

San José Juan Santamaria Intl

Tue 6/9

1:06 am-6:18 pm

2 stops41h 12m

$744

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 month to fly to San José?

In general, January is the cheapest month to fly from Montana to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $188. If you don’t want to visit San José in January, then you should wait until October to fly from Montana, when ticket prices are also cheap, with an average price of $196.

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

You could potentially save up to 44% 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

Fastest flight time

14h 56m

Direct flights

None
The fastest flight from Montana to San José takes 14h 56m
There are no direct flights from Montana to San José. There are no popular flight routes from Montana to San José.
Search flight deals

Frequently asked questions about flying from Montana to San José

  • 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 $196Free CancellationRating
7.4
9,716 reviews
Search United Airlines flights
American AirlinesPriceFrom $397Free CancellationRating
7.1
11,666 reviews
Search American Airlines flights
SouthwestPriceFrom $466Free CancellationRating
8.0
4,299 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
Monteverde
Alajuela
Heredia
Santa Elena
Dominical
San Gerardo de Dota
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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