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Cheap flights from Montana to Puerto Rico from $248

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 Puerto Rico departing on 8/12. 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 Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
11:15 am - 12:35 am
BZN
-
SJU
11h 20m
2 stops
Southwest Logo
5:30 am - 2:40 pm
SJU
-
BZN
11h 10m
2 stops
$475Southwest
Thu, Oct 22 - Sun, Oct 25
United Airlines Logo
6:30 am - 5:38 pm
BZN
-
SJU
9h 08m
1 stop
United Airlines Logo
1:21 pm - 9:07 pm
SJU
-
BZN
9h 46m
1 stop
$496United Airlines
Thu, Oct 22 - Sun, Oct 25
United Airlines Logo
6:30 am - 5:38 pm
BZN
-
SJU
9h 08m
1 stop
United Airlines Logo
1:00 am - 10:25 am
SJU
-
BZN
11h 25m
1 stop
$501United Airlines
Fri, Sep 25 - Thu, Oct 1
Delta Logo
6:00 am - 11:56 pm
BZN
-
SJU
15h 56m
2 stops
Delta Logo
2:05 pm - 11:58 pm
SJU
-
BZN
12h 53m
2 stops
$506Delta
Fri, Oct 30 - Tue, Nov 10
Delta Logo
6:00 am - 11:56 pm
BZN
-
SJU
15h 56m
2 stops
Delta Logo
7:00 am - 1:16 pm
SJU
-
BZN
9h 16m
1 stop
$514Delta
Fri, Oct 30 - Tue, Nov 10
Delta Logo
6:00 am - 11:56 pm
BZN
-
SJU
15h 56m
2 stops
Delta Logo
2:05 pm - 11:58 pm
SJU
-
BZN
12h 53m
2 stops
$531Delta
Fri, Oct 30 - Tue, Nov 10
American Airlines Logo
3:26 pm - 3:40 pm
FCA
-
SJU
22h 14m
2 stops
American Airlines Logo
4:38 pm - 12:44 pm
SJU
-
FCA
22h 06m
2 stops
$642American Airlines
Mon, Sep 14 - Mon, Sep 28
American Airlines Logo
12:22 pm - 11:15 pm
BIL
-
SJU
8h 53m
1 stop
American Airlines Logo
7:24 pm - 11:50 am
SJU
-
BIL
18h 26m
2 stops
$642American Airlines
Tue, Aug 11 - Tue, Aug 18
Alaska Airlines Logo
7:59 pm - 11:48 pm
MSO
-
SJU
25h 49m
2 stops
Alaska Airlines Logo
5:45 am - 10:55 pm
SJU
-
MSO
19h 10m
3 stops
$3,413Alaska Airlines
Mon, Jul 13 - Fri, Jul 17
Alaska Airlines Logo
5:41 pm - 11:48 pm
MSO
-
SJU
28h 07m
3 stops
Alaska Airlines Logo
5:45 am - 10:55 pm
SJU
-
MSO
19h 10m
3 stops
$3,497Alaska Airlines
Mon, Jul 13 - Fri, Jul 17

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Delta flights from Montana to Puerto Rico

Our best Delta deals on Montana to Puerto Rico flight tickets
Delta
Oct 30
BZN6:00 amBozeman Gallatin Field
15h 56m
2 stops
SJU11:56 pmSan Juan Luis Munoz Marin Intl
Nov 10
SJU2:05 pmSan Juan Luis Munoz Marin Intl
12h 53m
2 stops
BZN11:58 pmBozeman Gallatin Field
$506
Delta
Oct 30
BZN6:00 amBozeman Gallatin Field
15h 56m
2 stops
SJU11:56 pmSan Juan Luis Munoz Marin Intl
Nov 10
SJU7:00 amSan Juan Luis Munoz Marin Intl
9h 16m
1 stop
BZN1:16 pmBozeman Gallatin Field
$514
Delta
Oct 30
BZN3:34 pmBozeman Gallatin Field
18h 22m
2 stops
SJU11:56 amSan Juan Luis Munoz Marin Intl
Nov 10
SJU2:05 pmSan Juan Luis Munoz Marin Intl
12h 53m
2 stops
BZN11:58 pmBozeman Gallatin Field
$557

American Airlines flights from Montana to Puerto Rico

Our best American Airlines deals on Montana to Puerto Rico flight tickets
American Airlines
Oct 1
BZN12:02 pmBozeman Gallatin Field
19h 22m
2 stops
SJU9:24 amSan Juan Luis Munoz Marin Intl
Oct 5
SJU7:00 pmSan Juan Luis Munoz Marin Intl
19h 50m
2 stops
BZN12:50 pmBozeman Gallatin Field
$624
American Airlines
Aug 11
BIL12:22 pmBillings Logan Intl
8h 53m
1 stop
SJU11:15 pmSan Juan Luis Munoz Marin Intl
Aug 18
SJU7:24 pmSan Juan Luis Munoz Marin Intl
18h 26m
2 stops
BIL11:50 amBillings Logan Intl
$642
American Airlines
Sep 9
BIL1:13 pmBillings Logan Intl
19h 47m
2 stops
SJU11:00 amSan Juan Luis Munoz Marin Intl
Sep 19
SJU4:38 pmSan Juan Luis Munoz Marin Intl
21h 19m
2 stops
BIL11:57 amBillings Logan Intl
$647

momondo Fare Finder

 
Customize your flight search to find flights from Montana to Puerto Rico 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 June 28, 2026.
Use the filters below to find and compare flights from Montana to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Thu 10/22

11:15 am-12:35 am

2 stops11h 20m

San Juan Luis Munoz Marin Intl

Sun 10/25

5:30 am-2:40 pm

2 stops11h 10m

$475
Quickest round-trip

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Thu 10/22

6:30 am-5:38 pm

1 stop9h 08m

San Juan Luis Munoz Marin Intl

Sun 10/25

1:21 pm-9:07 pm

1 stop9h 46m

$496

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Fri 9/25

6:30 am-5:38 pm

1 stop9h 08m

San Juan Luis Munoz Marin Intl

Thu 10/1

1:00 am-10:25 am

1 stop11h 25m

$501

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Fri 10/30

6:00 am-11:56 pm

2 stops15h 56m

San Juan Luis Munoz Marin Intl

Tue 11/10

2:05 pm-11:58 pm

2 stops12h 53m

$506

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Fri 10/30

6:00 am-11:56 pm

2 stops15h 56m

San Juan Luis Munoz Marin Intl

Tue 11/10

7:00 am-1:16 pm

1 stop9h 16m

$514

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Fri 10/30

6:00 am-11:56 pm

2 stops15h 56m

San Juan Luis Munoz Marin Intl

Tue 11/10

2:05 pm-11:58 pm

2 stops12h 53m

$531

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Mon 9/14

3:26 pm-3:40 pm

2 stops22h 14m

San Juan Luis Munoz Marin Intl

Mon 9/28

4:38 pm-12:44 pm

2 stops22h 06m

$642

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Tue 8/11

12:22 pm-11:15 pm

1 stop8h 53m

San Juan Luis Munoz Marin Intl

Tue 8/18

7:24 pm-11:50 am

2 stops18h 26m

$642

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Mon 7/13

7:59 pm-11:48 pm

2 stops25h 49m

San Juan Luis Munoz Marin Intl

Fri 7/17

5:45 am-10:55 pm

3 stops19h 10m

$3,413

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Mon 7/13

5:41 pm-11:48 pm

3 stops28h 07m

San Juan Luis Munoz Marin Intl

Fri 7/17

5:45 am-10:55 pm

3 stops19h 10m

$3,497

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 Puerto Rico from

How to get the cheapest flight ticket from Montana to Puerto Rico

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 Puerto Rico?

If you don’t want to visit Puerto Rico in July, then you should wait until March to fly from Montana, when ticket prices are also cheap, with an average price of $282.

Can stopping save me money on Montana to Puerto Rico flights?

You could potentially save up to 23% on your flight if you consider stops on a Montana to Puerto Rico flight.

Cheap Montana to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to Puerto Rico

Fastest flight time

9h 08m

Direct flights

None
The fastest flight from Montana to Puerto Rico takes 9h 08m
There are no direct flights from Montana to Puerto Rico. There are no popular flight routes from Montana to Puerto Rico.
Search flight deals

Frequently asked questions about flying from Montana to Puerto Rico

  • When did momondo last update prices for flights from Montana to Puerto Rico?

    Prices for flights from Montana to Puerto Rico were last updated today.

  • How many operators does momondo search for flights from Montana to Puerto Rico?

  • How old do you have to be to fly from Montana to Puerto Rico?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montana to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The travel and health documents you'll need for your trip to Puerto Rico may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Puerto Rico. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Montana to Puerto Rico

Compare and see reviews for airlines that fly from Montana to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $300Free CancellationRating
7.4
9,899 reviews
Search United Airlines flights
SouthwestPriceFrom $443Free CancellationRating
7.9
4,246 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Montana to Puerto Rico?

Finding the right flight to Puerto Rico from Montana is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Puerto Rico quick and easy, saving you time and money.

Can I find flights from Montana to Puerto Rico with flexible booking policies on momondo?

Flights from Montana to Puerto Rico with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Montana to Puerto Rico?

Once all potential Montana to Puerto Rico flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Tue 7/28
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Find better results for your trip to Puerto Rico

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Popular flights according to clicks in the last 7 days on momondo
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