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Caribbean Islands

$256+ Cheap flights from Montana to Caribbean Islands

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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — SJU
ago. 10 — ago. 171
dom. 8/10
dom. 8/17
1 adult, Economy
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Cheap flight deals from Montana to Caribbean Islands

Keep the following information in mind while searching for Montana to Caribbean Islands flight deals. Data was last updated agosto 5, 2025.

Round-trip from

$511
(American Airlines)

One-way from

$256
(American Airlines)

Popular in

July

Cheapest in

January

Average price

$578
From Montana to Caribbean Islands
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One-way flight from Montana to Caribbean Islands
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Highest demand for flights based on searches. 11% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Montana to Caribbean Islands

Cheapest flights from Montana to Caribbean Islands
Explore the most affordable flight options available from Montana to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 5, 2025.

This Delta deal was found by Cheapflights users on 8/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/65:45 amBZN - SJU
2 stops14h 14mDelta
vie. 11/147:00 amSJU - BZN
2 stops18h 21mDelta
Deal found 8/3$425
This United Airlines deal was found by Cheapflights users on 8/3. 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.
jue. 11/66:35 amBZN - SJU
1 stop8h 50mUnited Airlines
vie. 11/148:30 amSJU - BZN
2 stops16h 10mUnited Airlines
Deal found 8/3$505
This American Airlines deal was found by Cheapflights users on 8/4. 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.
vie. 9/194:19 pmBZN - SJU
1 stop19h 56mAmerican Airlines
dom. 9/217:05 pmSJU - BZN
2 stops22h 07mAmerican Airlines
Deal found 8/4$511
This American Airlines deal was found by Cheapflights users on 8/4. 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.
vie. 9/512:19 pmBIL - SJU
2 stops22h 31mAmerican Airlines
mié. 9/1012:01 pmSJU - BIL
2 stops12h 38mAmerican Airlines
Deal found 8/4$511
This Mytrip deal was found by Cheapflights users on 8/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1911:29 amBZN - SJU
3 stops24h 42mMultiple Airlines
dom. 9/213:19 pmSJU - BZN
2 stops23h 20mMultiple Airlines
Deal found 8/4$527
This United Airlines deal was found by Cheapflights users on 8/4. 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.
jue. 11/206:25 amMSO - SJU
1 stop9h 00mUnited Airlines
mar. 11/252:25 pmSJU - MSO
1 stop10h 22mUnited Airlines
Deal found 8/4$548
This American Airlines deal was found by Cheapflights users on 8/3. 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.
sáb. 12/62:04 pmBIL - SJU
2 stops19h 01mAmerican Airlines
lun. 12/158:09 amSJU - BIL
1 stop15h 42mAmerican Airlines
Deal found 8/3$561
This United Airlines deal was found by Cheapflights users on 8/4. 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.
lun. 12/86:15 amMSO - SJU
1 stop9h 10mUnited Airlines
jue. 12/112:25 pmSJU - MSO
1 stop9h 53mUnited Airlines
Deal found 8/4$605
This American Airlines deal was found by Cheapflights users on 8/2. 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.
lun. 12/87:00 amMSO - SJU
2 stops26h 05mAmerican Airlines
jue. 12/118:09 amSJU - MSO
1 stop14h 37mAmerican Airlines
Deal found 8/2$621
This American Airlines deal was found by Cheapflights users on 8/2. 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.
sáb. 10/47:03 amBIL - SJU
2 stops29h 50mAmerican Airlines
mié. 10/87:00 amSJU - BIL
2 stops16h 53mAmerican Airlines
Deal found 8/2$621
This United Airlines deal was found by Cheapflights users on 8/4. 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.
vie. 9/192:41 pmBZN - SJU
2 stops22h 03mUnited Airlines
sáb. 9/201:05 amSJU - BZN
1 stop11h 01mUnited Airlines
Deal found 8/4$622
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/208:00 amMSO - SJU
2 stops12h 50mDelta
mar. 11/257:30 amSJU - MSO
2 stops20h 02mDelta
Deal found 8/4$655

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to Caribbean Islands 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 agosto 5, 2025.
Use the filters below to find and compare flights from Montana to Caribbean Islands that are best for you.

Fly from

Montana

Fly to

Caribbean Islands

Route

Depart

Return

Price

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

jue. 1/8

1:05 pm-11:45 am

2 stops19h 40m

San Juan Luis Munoz Marin Intl

mié. 1/21

6:50 pm-12:25 pm

2 stops20h 35m

$511

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

vie. 9/19

4:19 pm-2:15 pm

1 stop19h 56m

San Juan Luis Munoz Marin Intl

dom. 9/21

7:05 pm-3:12 pm

2 stops22h 07m

$511

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

vie. 9/5

12:19 pm-12:50 pm

2 stops22h 31m

San Juan Luis Munoz Marin Intl

mié. 9/10

12:01 pm-10:39 pm

2 stops12h 38m

$511

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

vie. 9/19

11:29 am-2:11 pm

3 stops24h 42m

San Juan Luis Munoz Marin Intl

dom. 9/21

3:19 pm-12:39 pm

2 stops23h 20m

$527

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

jue. 11/20

6:25 am-6:25 pm

1 stop9h 00m

San Juan Luis Munoz Marin Intl

mar. 11/25

2:25 pm-9:47 pm

1 stop10h 22m

$548

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

sáb. 12/6

2:04 pm-12:05 pm

2 stops19h 01m

San Juan Luis Munoz Marin Intl

lun. 12/15

8:09 am-8:51 pm

1 stop15h 42m

$561

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

lun. 12/8

6:15 am-6:25 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

jue. 12/11

2:25 pm-9:18 pm

1 stop9h 53m

$605

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

lun. 12/8

7:00 am-12:05 pm

2 stops26h 05m

San Juan Luis Munoz Marin Intl

jue. 12/11

8:09 am-7:46 pm

1 stop14h 37m

$621

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

sáb. 10/4

7:03 am-2:53 pm

2 stops29h 50m

San Juan Luis Munoz Marin Intl

mié. 10/8

7:00 am-9:53 pm

2 stops16h 53m

$621

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

vie. 9/19

2:41 pm-2:44 pm

2 stops22h 03m

San Juan Luis Munoz Marin Intl

sáb. 9/20

1:05 am-10:06 am

1 stop11h 01m

$622

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 44 results
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Best time to book a flight from Montana to Caribbean Islands

Have a flexible travel schedule? Discover the best time to fly to Caribbean Islands 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 Caribbean Islands

What is the cheapest month to book a flight from Montana to Caribbean Islands?

Currently, September is the cheapest month in which you can book a flight from Montana to Caribbean Islands (average of $254). Flying from Montana to Caribbean Islands in June is currently the most expensive (average of $339). 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.

What is the cheapest time of day to fly from MT to EPX?

Find hourly flight availability from Montana to Caribbean Islands. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 5, 2025.

When flying from Montana to Caribbean Islands, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Caribbean Islands

Get insights into the airlines that provide service to Caribbean Islands. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Caribbean Islands. Reviews last updated agosto 5, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Montana to Caribbean Islands. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Delta
8.0
Very good
7,985 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
United Airlines
7.4
Good
8,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Related info for your journey

Find useful and relevant information for your journey from Montana to Caribbean Islands. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Montana to Caribbean Islands that include hotel bookings?

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

  • How can I find direct flights from Montana to Caribbean Islands?

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

  • Can I find deals for business class flights from Montana to Caribbean Islands?

    Yes. Cheapflights offers flight deals from Montana to Caribbean Islands 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 Caribbean Islands?

    Currently, September is the cheapest month in which you can book a flight from Montana to Caribbean Islands (average of $254). Flying from Montana to Caribbean Islands in June is currently the most expensive (average of $339). 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

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Alternative routes for Montana to Caribbean Islands

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Montana to Caribbean Islands

Discover the top 5 airlines that operate flights from Montana to Caribbean Islands. 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 agosto 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$235Average$712FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$352Average$758FlexibilityNo cancel feeOn-time69%
DeltaCheapest$374Average$727FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$479Average$529FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$484Average$815FlexibilityNo cancel feeOn-time71%

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