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Cheap flights from Montana to Puerto Rico from $494

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Puerto Rico 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
0 bags

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Find the cheapest flights from Montana to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 5:38 pm
BZN
-
SJU
8h 38m
1 stop
United Airlines Logo
1:00 am - 10:40 am
SJU
-
BZN
11h 40m
1 stop
$494United Airlines
Sat, Sep 19 - Fri, Sep 25
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
$536Delta
Fri, Oct 30 - Tue, Nov 10
Delta Logo
5:45 am - 11:56 pm
BZN
-
SJU
16h 11m
2 stops
Delta Logo
3:35 pm - 12:10 am
SJU
-
BZN
11h 35m
2 stops
$575Delta
Fri, Oct 30 - Tue, Nov 10
United Airlines Logo
7:00 am - 5:38 pm
BZN
-
SJU
8h 38m
1 stop
United Airlines Logo
1:00 am - 10:40 am
SJU
-
BZN
11h 40m
1 stop
$584United Airlines
Sat, Sep 19 - Fri, Sep 25
Delta Logo
6:00 am - 11:56 pm
BZN
-
SJU
15h 56m
2 stops
Delta Logo
3:35 pm - 12:10 am
SJU
-
BZN
11h 35m
2 stops
$607Delta
Fri, Oct 30 - Tue, Nov 10
United Airlines Logo
11:30 am - 11:50 pm
BZN
-
SJU
10h 20m
1 stop
United Airlines Logo
1:00 am - 11:33 am
SJU
-
BZN
12h 33m
2 stops
$613United Airlines
Sat, Sep 19 - Fri, Sep 25
United Airlines Logo
11:30 am - 11:50 pm
BZN
-
SJU
10h 20m
1 stop
United Airlines Logo
2:00 pm - 9:18 pm
SJU
-
BZN
9h 18m
1 stop
$615United Airlines
Tue, Sep 22 - Thu, Sep 24
American Airlines Logo
12:02 pm - 11:10 am
BZN
-
SJU
21h 08m
2 stops
American Airlines Logo
7:00 pm - 3:22 pm
SJU
-
BZN
22h 22m
2 stops
$642American Airlines
Thu, Oct 1 - Mon, Oct 5
American Airlines Logo
12:21 pm - 11:07 pm
BIL
-
SJU
8h 46m
1 stop
American Airlines Logo
12:59 am - 11:51 am
SJU
-
BIL
12h 52m
1 stop
$669American Airlines
Fri, Aug 14 - Fri, Aug 21
Alaska Airlines Logo
3:46 pm - 1:45 pm
MSO
-
SJU
19h 59m
2 stops
Alaska Airlines Logo
6:00 am - 10:51 pm
SJU
-
MSO
18h 51m
3 stops
$929Alaska Airlines
Tue, Oct 27 - Sat, Oct 31

United Airlines flights from Montana to Puerto Rico

Our best United Airlines deals on Montana to Puerto Rico flight tickets
United Airlines
Sep 19
BZN7:00 amBozeman Gallatin Field
8h 38m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
Sep 25
SJU1:00 amSan Juan Luis Munoz Marin Intl
11h 40m
1 stop
BZN10:40 amBozeman Gallatin Field
$494
United Airlines
Sep 19
BZN7:00 amBozeman Gallatin Field
8h 38m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
Sep 25
SJU1:00 amSan Juan Luis Munoz Marin Intl
11h 40m
1 stop
BZN10:40 amBozeman Gallatin Field
$584
United Airlines
Sep 19
BZN11:30 amBozeman Gallatin Field
10h 20m
1 stop
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Sep 25
SJU1:00 amSan Juan Luis Munoz Marin Intl
12h 33m
2 stops
BZN11:33 amBozeman Gallatin Field
$613

Southwest flights from Montana to Puerto Rico

Our best Southwest deals on Montana to Puerto Rico flight tickets
Southwest
May 29
BZN7:20 amBozeman Gallatin Field
14h 35m
2 stops
SJU11:55 pmSan Juan Luis Munoz Marin Intl
Jun 5
SJU6:30 amSan Juan Luis Munoz Marin Intl
14h 05m
2 stops
BZN6:35 pmBozeman Gallatin Field
$662
Southwest
Jul 15
BZN6:40 amBozeman Gallatin Field
11h 05m
2 stops
SJU7:45 pmSan Juan Luis Munoz Marin Intl
Jul 19
SJU5:00 amSan Juan Luis Munoz Marin Intl
12h 55m
2 stops
BZN3:55 pmBozeman Gallatin Field
$676
Southwest
Jul 2
BZN10:15 amBozeman Gallatin Field
11h 50m
2 stops
SJU12:05 amSan Juan Luis Munoz Marin Intl
Jul 6
SJU6:30 amSan Juan Luis Munoz Marin Intl
14h 05m
2 stops
BZN6:35 pmBozeman Gallatin Field
$716

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 May 10, 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

Sat 9/19

7:00 am-5:38 pm

1 stop8h 38m

San Juan Luis Munoz Marin Intl

Fri 9/25

1:00 am-10:40 am

1 stop11h 40m

$494

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

$536

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Fri 10/30

5:45 am-11:56 pm

2 stops16h 11m

San Juan Luis Munoz Marin Intl

Tue 11/10

3:35 pm-12:10 am

2 stops11h 35m

$575

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Sat 9/19

7:00 am-5:38 pm

1 stop8h 38m

San Juan Luis Munoz Marin Intl

Fri 9/25

1:00 am-10:40 am

1 stop11h 40m

$584

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

3:35 pm-12:10 am

2 stops11h 35m

$607

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Sat 9/19

11:30 am-11:50 pm

1 stop10h 20m

San Juan Luis Munoz Marin Intl

Fri 9/25

1:00 am-11:33 am

2 stops12h 33m

$613
Quickest round-trip

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Tue 9/22

11:30 am-11:50 pm

1 stop10h 20m

San Juan Luis Munoz Marin Intl

Thu 9/24

2:00 pm-9:18 pm

1 stop9h 18m

$615

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Thu 10/1

12:02 pm-11:10 am

2 stops21h 08m

San Juan Luis Munoz Marin Intl

Mon 10/5

7:00 pm-3:22 pm

2 stops22h 22m

$642

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Fri 8/14

12:21 pm-11:07 pm

1 stop8h 46m

San Juan Luis Munoz Marin Intl

Fri 8/21

12:59 am-11:51 am

1 stop12h 52m

$669

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 10/27

3:46 pm-1:45 pm

2 stops19h 59m

San Juan Luis Munoz Marin Intl

Sat 10/31

6:00 am-10:51 pm

3 stops18h 51m

$929

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 October, 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

8h 54m

Direct flights

None
The fastest flight from Montana to Puerto Rico takes 8h 54m
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
SouthwestPriceFrom $363Free CancellationRating
8.0
4,306 reviews
Search Southwest flights
United AirlinesPriceFrom $386Free CancellationRating
7.4
9,694 reviews
Search United Airlines 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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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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