San José

$133+ Cheap flights from Montana to San José (SJO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJO
Dec 6 — Dec 131
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Cheap flight deals from Montana to San José

Keep the following information in mind while searching for Montana to San José flight deals. Data was last updated November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$302
(United Airlines)

One-way from

$133
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$493
Provider with most accurate pricing for Bozeman Gallatin Field-San José Juan Santamaria Intl flight deals.
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-San José Juan Santamaria Intl flights.
From Montana to San José Juan Santamaria Intl
One-way flight from Montana to San José Juan Santamaria Intl
Highest demand for flights based on searches. 4% potential increase in price ($32 potential increase over avg. RT price).
Cheapest flight prices on average. 7% potential price decrease ($53 potential savings vs. average RT price).
Average for round-trip flights in November 2025

Find flight deals from Montana to San José

Cheapest flights from Montana to San José
Explore the most affordable flight options available from Montana to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/87:00 amBIL - SJO
1 stop14h 00mUnited Airlines
Mon 11/1012:35 pmSJO - BIL
2 stops11h 14mUnited Airlines
Deal found 11/4$362
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/71:52 pmBZN - SJO
2 stops21h 30mAmerican Airlines
Thu 11/131:23 pmSJO - BZN
2 stops24h 39mAmerican Airlines
Deal found 11/5$432
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/71:37 pmBZN - SJO
2 stops30h 02mUnited Airlines
Thu 11/132:20 pmSJO - BZN
2 stops23h 11mUnited Airlines
Deal found 11/6$442
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:00 amBIL - SJO
1 stop14h 17mAmerican Airlines
Mon 11/106:22 amSJO - BIL
1 stop15h 56mAmerican Airlines
Deal found 11/4$458
This Alaska Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:36 pmBIL - SJO
2 stops55h 12mAlaska Airlines
Tue 12/91:30 amSJO - BIL
2 stops47h 38mAlaska Airlines
Deal found 11/5$485
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:40 pmBIL - SJO
2 stops21h 35mUnited Airlines
Thu 12/112:20 pmSJO - BIL
2 stops20h 26mUnited Airlines
Deal found 11/6$489
This American Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:58 pmBIL - SJO
1 stop8h 01mAmerican Airlines
Thu 12/116:20 amSJO - BIL
1 stop15h 55mAmerican Airlines
Deal found 11/6$515
This Alaska Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/43:36 pmBIL - SJO
2 stops31h 12mAlaska Airlines
Wed 12/101:30 amSJO - BIL
2 stops23h 38mAlaska Airlines
Deal found 11/6$531
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/32:40 pmBIL - SJO
2 stops21h 35mUnited Airlines
Wed 12/108:45 amSJO - BIL
2 stops29h 33mUnited Airlines
Deal found 11/5$544
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/32:37 pmFCA - SJO
2 stops21h 38mUnited Airlines
Thu 12/112:20 pmSJO - FCA
2 stops24h 15mUnited Airlines
Deal found 11/6$588
This United Airlines deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:15 amFCA - SJO
2 stops13h 24mUnited Airlines
Wed 12/102:20 pmSJO - FCA
2 stops24h 15mUnited Airlines
Deal found 11/6$661
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:20 pmMSO - SJO
2 stops18h 55mUnited Airlines
Fri 12/197:30 amSJO - MSO
1 stop15h 11mUnited Airlines
Deal found 11/5$744

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Montana to San José that are best for you.

Fly from

Montana

Fly to

San José

Route

Depart

Return

Price

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Sun 1/18

4:13 pm-1:15 pm

2 stops20h 02m

San José Juan Santamaria Intl

Tue 1/27

6:30 am-9:23 pm

2 stops15h 53m

$302

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Sat 1/24

2:46 pm-6:25 am

2 stops14h 39m

San José Juan Santamaria Intl

Sat 1/31

6:40 am-9:51 pm

2 stops16h 11m

$302

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Wed 1/28

3:40 pm-8:32 am

1 stop15h 52m

San José Juan Santamaria Intl

Fri 2/6

2:20 pm-9:45 am

2 stops20h 25m

$332

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Sun 1/18

4:13 pm-1:15 pm

2 stops20h 02m

San José Juan Santamaria Intl

Thu 1/29

2:20 pm-9:50 am

2 stops20h 30m

$332

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Wed 1/21

5:15 pm-1:15 pm

2 stops19h 00m

San José Juan Santamaria Intl

Fri 1/30

6:30 am-9:51 pm

2 stops16h 21m

$356

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Thu 4/23

4:22 pm-10:11 am

2 stops17h 49m

San José Juan Santamaria Intl

Wed 4/29

1:30 pm-9:47 am

2 stops20h 17m

$373

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Thu 2/5

2:13 pm-11:43 pm

1 stop8h 30m

San José Juan Santamaria Intl

Sat 2/14

3:56 pm-12:55 pm

2 stops21h 59m

$402

BozemanSan José

BZN - SJO

BZNSJO

Bozeman Gallatin Field

Fri 1/16

7:00 am-10:30 pm

1 stop14h 30m

San José Juan Santamaria Intl

Thu 1/29

6:38 am-10:02 pm

2 stops16h 24m

$402

BillingsSan José

BIL - SJO

BILSJO

Billings Logan Intl

Mon 2/2

2:15 pm-1:54 pm

2 stops22h 39m

San José Juan Santamaria Intl

Tue 2/10

1:51 pm-1:36 pm

2 stops24h 45m

$402

MissoulaSan José

MSO - SJO

MSOSJO

Missoula Johnson-Bell Field

Mon 2/23

1:24 pm-12:26 pm

2 stops22h 02m

San José Juan Santamaria Intl

Fri 3/6

3:56 pm-12:54 pm

2 stops21h 58m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 51 results
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Best time to book a flight from Montana to San José

Have a flexible travel schedule? Discover the best time to fly to San José from Montana with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montana to San José

What is the cheapest month to book a flight from Montana to San José?

Currently, October is the cheapest month in which you can book a flight from Montana to San José (average of $196). Flying from Montana to San José in April is currently the most expensive (average of $601). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Montana to San José?

Related info for your journey

Find useful and relevant information for your journey from Montana to San José. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to San José from Montana?

    Most people fly into San José Juan Santamaria Intl (SJO) if they book a flight to San José from Montana. Juan Santamaria Intl is conveniently located just 8.8 mi from San José’s city center.

  • How long is the flight from Montana to San José?

    United Airlines and American Airlines can get you from Montana to San José in just under 8h 30m. Your travel time can differ by up to 11h 32m. There are 2938 mi between Montana and San José. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Montana to San José one-way?

    $133 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on American Airlines and Southwest, with prices starting from $183 and $312, respectively.

  • What are the most popular routes from Montana to San José?

  • Can I find deals for flights from Montana to San José that include hotel bookings?

    Yes. In addition to deals on Montana to San José flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montana to San José?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to San José.

  • Can I find deals for business class flights from Montana to San José?

    Yes. Cheapflights offers flight deals from Montana to San José by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montana to San José?

    Currently, October is the cheapest month in which you can book a flight from Montana to San José (average of $196). Flying from Montana to San José in April is currently the most expensive (average of $601). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San José?

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

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Alternative routes for Montana to San José

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Montana to San José

Discover the top 3 airlines that operate flights from Montana to San José. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$350Average$764FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$402Average$617FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$573Average$730FlexibilityNo cancel feeOn-time63%

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