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Cheap flights from Montana to San José from $224

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 9/19. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
4:22 pm - 11:25 am
BZN
-
SJO
18h 03m
2 stops
United Airlines Logo
7:30 am - 3:13 pm
SJO
-
BZN
8h 43m
1 stop
$480United Airlines
Sun, Nov 1 - Sat, Nov 7
United Airlines Logo
4:30 pm - 12:21 pm
BZN
-
SJO
19h 51m
2 stops
United Airlines Logo
7:55 am - 9:04 pm
SJO
-
BZN
13h 09m
2 stops
$524United Airlines
Tue, Oct 6 - Tue, Oct 13
United Airlines Logo
3:40 pm - 6:25 am
BZN
-
SJO
13h 45m
2 stops
United Airlines Logo
7:30 am - 3:13 pm
SJO
-
BZN
8h 43m
1 stop
$562United Airlines
Sat, Dec 5 - Mon, Dec 21
Delta Logo
12:58 pm - 12:58 pm
BIL
-
SJO
24h 00m
2 stops
Delta Logo
7:00 am - 10:32 pm
SJO
-
BIL
16h 32m
2 stops
$563Delta
Sat, Oct 31 - Wed, Nov 11
Delta Logo
5:40 am - 10:15 pm
MSO
-
SJO
15h 35m
2 stops
Delta Logo
7:00 am - 12:31 am
SJO
-
MSO
18h 31m
2 stops
$563Delta
Tue, Nov 10 - Mon, Nov 23
United Airlines Logo
4:22 pm - 11:25 am
BZN
-
SJO
18h 03m
2 stops
United Airlines Logo
8:45 am - 9:07 pm
SJO
-
BZN
13h 22m
2 stops
$567United Airlines
Sun, Nov 1 - Sat, Nov 7
American Airlines Logo
1:46 pm - 2:02 pm
BZN
-
SJO
23h 16m
2 stops
American Airlines Logo
12:34 am - 12:46 pm
SJO
-
BZN
13h 12m
1 stop
$585American Airlines
Sat, Dec 5 - Sun, Dec 20
American Airlines Logo
6:00 am - 2:00 pm
BIL
-
SJO
8h 00m
1 stop
American Airlines Logo
1:23 pm - 1:30 pm
SJO
-
BIL
25h 07m
2 stops
$585American Airlines
Sat, Oct 31 - Wed, Nov 11
Multiple Airlines Logo
12:19 pm - 11:15 pm
BZN
-
SJO
34h 56m
2 stops
Multiple Airlines Logo
9:25 am - 10:15 am
SJO
-
BZN
24h 50m
2 stops
$657Multiple Airlines
Sat, Aug 1 - Sat, Aug 8
Multiple Airlines Logo
6:30 am - 11:15 pm
FCA
-
SJO
15h 45m
3 stops
Multiple Airlines Logo
5:45 am - 1:20 pm
SJO
-
FCA
56h 35m
3 stops
$921Multiple Airlines
Tue, Nov 10 - Mon, Nov 23

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American Airlines flights from Montana to San José

Our best American Airlines deals on Montana to San José flight tickets
American Airlines
Oct 31
BIL6:00 amBillings Logan Intl
8h 00m
1 stop
SJO2:00 pmSan José Juan Santamaria Intl
Nov 11
SJO1:23 pmSan José Juan Santamaria Intl
25h 07m
2 stops
BIL1:30 pmBillings Logan Intl
$585
American Airlines
Oct 31
BIL6:00 amBillings Logan Intl
8h 00m
1 stop
SJO2:00 pmSan José Juan Santamaria Intl
Nov 11
SJO2:39 pmSan José Juan Santamaria Intl
31h 36m
1 stop
BIL9:15 pmBillings Logan Intl
$592
American Airlines
Sep 17
BIL7:00 amBillings Logan Intl
30h 57m
1 stop
SJO1:57 pmSan José Juan Santamaria Intl
Sep 23
SJO2:57 pmSan José Juan Santamaria Intl
21h 00m
2 stops
BIL11:57 amBillings Logan Intl
$596

Alaska Airlines flights from Montana to San José

Our best Alaska Airlines deals on Montana to San José flight tickets
Alaska Airlines
Aug 5
BIL6:00 amBillings Logan Intl
17h 46m
2 stops
SJO11:46 pmSan José Juan Santamaria Intl
Aug 12
SJO1:06 amSan José Juan Santamaria Intl
37h 57m
2 stops
BIL3:03 pmBillings Logan Intl
$816
Alaska Airlines
Jul 14
MSO7:59 pmMissoula Johnson-Bell Field
27h 47m
2 stops
SJO11:46 pmSan José Juan Santamaria Intl
Jul 22
SJO1:06 amSan José Juan Santamaria Intl
21h 49m
2 stops
MSO10:55 pmMissoula Johnson-Bell Field
$1,088

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 July 1, 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

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Sun 11/1

4:22 pm-11:25 am

2 stops18h 03m

San José Juan Santamaria Intl

Sat 11/7

7:30 am-3:13 pm

1 stop8h 43m

$480

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Tue 10/6

4:30 pm-12:21 pm

2 stops19h 51m

San José Juan Santamaria Intl

Tue 10/13

7:55 am-9:04 pm

2 stops13h 09m

$524
Quickest round-trip

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Sat 12/5

3:40 pm-6:25 am

2 stops13h 45m

San José Juan Santamaria Intl

Mon 12/21

7:30 am-3:13 pm

1 stop8h 43m

$562

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Sat 10/31

12:58 pm-12:58 pm

2 stops24h 00m

San José Juan Santamaria Intl

Wed 11/11

7:00 am-10:32 pm

2 stops16h 32m

$563

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Tue 11/10

5:40 am-10:15 pm

2 stops15h 35m

San José Juan Santamaria Intl

Mon 11/23

7:00 am-12:31 am

2 stops18h 31m

$563

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Sun 11/1

4:22 pm-11:25 am

2 stops18h 03m

San José Juan Santamaria Intl

Sat 11/7

8:45 am-9:07 pm

2 stops13h 22m

$567

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Sat 12/5

1:46 pm-2:02 pm

2 stops23h 16m

San José Juan Santamaria Intl

Sun 12/20

12:34 am-12:46 pm

1 stop13h 12m

$585

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Sat 10/31

6:00 am-2:00 pm

1 stop8h 00m

San José Juan Santamaria Intl

Wed 11/11

1:23 pm-1:30 pm

2 stops25h 07m

$585

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Sat 8/1

12:19 pm-11:15 pm

2 stops34h 56m

San José Juan Santamaria Intl

Sat 8/8

9:25 am-10:15 am

2 stops24h 50m

$657

KalispellSan José

FCA - SJO

FCASJO

Kalispell Glacier Park

Tue 11/10

6:30 am-11:15 pm

3 stops15h 45m

San José Juan Santamaria Intl

Mon 11/23

5:45 am-1:20 pm

3 stops56h 35m

$921

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 $302.

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

11h 57m

Direct flights

None
The fastest flight from Montana to San José takes 11h 57m
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 $188Free CancellationRating
7.4
9,909 reviews
Search United Airlines flights
American AirlinesPriceFrom $397Free CancellationRating
7.1
11,766 reviews
Search American Airlines flights
SouthwestPriceFrom $466Free CancellationRating
7.9
4,246 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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