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Cheap flights from Missoula to Puerto Rico from $294

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missoula to Puerto Rico departing on 10/12. 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 Missoula to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:32 pm - 11:50 amMSO  Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl
15h 18m2 stops Denver Intl Newark
United Airlines Logo
2:25 pm - 9:26 pmSJU  San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field
10h 01m1 stop Denver Intl
$538United Airlines
Tue, Jan 12 - Wed, Jan 20
Delta Logo
8:00 am - 11:50 pmMSO  Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl
12h 50m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson
Delta Logo
3:15 pm - 12:31 amSJU  San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field
12h 16m2 stops Detroit Metropolitan Wayne County Salt Lake City
$538Delta
Tue, Jan 12 - Wed, Jan 20
Delta Logo
5:40 am - 11:50 pmMSO  Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl
15h 10m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
3:15 pm - 12:31 amSJU  San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field
12h 16m2 stops Detroit Metropolitan Wayne County Salt Lake City
$538Delta
Tue, Jan 12 - Wed, Jan 20
United Airlines Logo
5:32 pm - 1:11 pmMSO  Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl
16h 39m2 stops Denver Intl Newark
United Airlines Logo
7:45 am - 9:26 pmSJU  San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field
16h 41m2 stops Houston George Bush Intcntl Denver Intl
$554United Airlines
Sat, Feb 6 - Sat, Feb 13
Delta Logo
8:00 am - 11:50 pmMSO  Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl
12h 50m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson
Delta Logo
3:15 pm - 12:31 amSJU  San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field
12h 16m2 stops Detroit Metropolitan Wayne County Salt Lake City
$563Delta
Tue, Jan 12 - Wed, Jan 20
United Airlines Logo
6:15 am - 5:38 pmMSO  Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl
9h 23m1 stop Denver Intl
United Airlines Logo
1:00 am - 1:32 pmSJU  San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field
14h 32m2 stops Newark Denver Intl
$568United Airlines
Fri, Sep 25 - Thu, Oct 1
American Airlines Logo
6:50 am - 9:42 amMSO  Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl
23h 52m2 stops Dallas/Fort Worth Miami
American Airlines Logo
3:17 pm - 12:36 pmSJU  San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field
24h 19m2 stops Miami Chicago O'Hare Intl
$588American Airlines
Thu, Dec 10 - Sun, Dec 13
American Airlines Logo
1:45 pm - 1:52 pmMSO  Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl
21h 07m2 stops Chicago O'Hare Intl Miami
American Airlines Logo
7:30 am - 9:45 pmSJU  San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field
17h 15m1 stop Dallas/Fort Worth
$613American Airlines
Sat, Feb 6 - Sat, Feb 13
American Airlines Logo
7:00 am - 10:22 pmMSO  Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl
12h 22m1 stop Dallas/Fort Worth
American Airlines Logo
3:49 pm - 12:35 pmSJU  San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field
23h 46m2 stops Charlotte Douglas Chicago O'Hare Intl
$625American Airlines
Tue, Jan 12 - Wed, Jan 20
United Airlines Logo
5:32 pm - 11:50 amMSO  Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl
15h 18m2 stops Denver Intl Newark
United Airlines Logo
2:25 pm - 9:26 pmSJU  San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field
10h 01m1 stop Denver Intl
$628United Airlines
Tue, Jan 12 - Wed, Jan 20

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Delta flights from Missoula to Puerto Rico

Our best Delta deals on Missoula to Puerto Rico flight tickets
Delta
Jan 12
MSO8:00 amMissoula Johnson-Bell Field
12h 50m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Jan 20
SJU3:15 pmSan Juan Luis Munoz Marin Intl
12h 16m
2 stops
MSO12:31 amMissoula Johnson-Bell Field
$538
Delta
Jan 12
MSO8:00 amMissoula Johnson-Bell Field
12h 50m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Jan 20
SJU3:15 pmSan Juan Luis Munoz Marin Intl
12h 16m
2 stops
MSO12:31 amMissoula Johnson-Bell Field
$563

United Airlines flights from Missoula to Puerto Rico

Our best United Airlines deals on Missoula to Puerto Rico flight tickets
United Airlines
Feb 6
MSO5:32 pmMissoula Johnson-Bell Field
16h 39m
2 stops
SJU1:11 pmSan Juan Luis Munoz Marin Intl
Feb 13
SJU7:45 amSan Juan Luis Munoz Marin Intl
16h 41m
2 stops
MSO9:26 pmMissoula Johnson-Bell Field
$554
United Airlines
Sep 25
MSO6:15 amMissoula Johnson-Bell Field
9h 23m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
Oct 1
SJU1:00 amSan Juan Luis Munoz Marin Intl
14h 32m
2 stops
MSO1:32 pmMissoula Johnson-Bell Field
$568
United Airlines
Jan 12
MSO5:32 pmMissoula Johnson-Bell Field
15h 18m
2 stops
SJU11:50 amSan Juan Luis Munoz Marin Intl
Jan 20
SJU2:25 pmSan Juan Luis Munoz Marin Intl
10h 01m
1 stop
MSO9:26 pmMissoula Johnson-Bell Field
$628

momondo Fare Finder

 
Customize your flight search to find flights from Missoula 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 August 11, 2026.
Use the filters below to find and compare flights from Missoula to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Tue 1/12

5:32 pm-11:50 am

2 stops15h 18m

San Juan Luis Munoz Marin Intl

Wed 1/20

2:25 pm-9:26 pm

1 stop10h 01m

$538

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Tue 1/12

8:00 am-11:50 pm

2 stops12h 50m

San Juan Luis Munoz Marin Intl

Wed 1/20

3:15 pm-12:31 am

2 stops12h 16m

$538

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Tue 1/12

5:40 am-11:50 pm

2 stops15h 10m

San Juan Luis Munoz Marin Intl

Wed 1/20

3:15 pm-12:31 am

2 stops12h 16m

$538

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Sat 2/6

5:32 pm-1:11 pm

2 stops16h 39m

San Juan Luis Munoz Marin Intl

Sat 2/13

7:45 am-9:26 pm

2 stops16h 41m

$554

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Tue 1/12

8:00 am-11:50 pm

2 stops12h 50m

San Juan Luis Munoz Marin Intl

Wed 1/20

3:15 pm-12:31 am

2 stops12h 16m

$563
Quickest round-trip

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Fri 9/25

6:15 am-5:38 pm

1 stop9h 23m

San Juan Luis Munoz Marin Intl

Thu 10/1

1:00 am-1:32 pm

2 stops14h 32m

$568

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Thu 12/10

6:50 am-9:42 am

2 stops23h 52m

San Juan Luis Munoz Marin Intl

Sun 12/13

3:17 pm-12:36 pm

2 stops24h 19m

$588

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Sat 2/6

1:45 pm-1:52 pm

2 stops21h 07m

San Juan Luis Munoz Marin Intl

Sat 2/13

7:30 am-9:45 pm

1 stop17h 15m

$613

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Tue 1/12

7:00 am-10:22 pm

1 stop12h 22m

San Juan Luis Munoz Marin Intl

Wed 1/20

3:49 pm-12:35 pm

2 stops23h 46m

$625

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Tue 1/12

5:32 pm-11:50 am

2 stops15h 18m

San Juan Luis Munoz Marin Intl

Wed 1/20

2:25 pm-9:26 pm

1 stop10h 01m

$628

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Missoula 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 August, then you should wait until July to fly from Missoula, when ticket prices are also cheap, with an average price of $0.

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

You could potentially save up to 2% on your flight if you consider stops on a Missoula to Puerto Rico flight.

Cheap Missoula to Puerto Rico flight deals and tips

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

Fastest flight time

9h 10m

Direct flights

None
The fastest flight from Missoula to Puerto Rico takes 9h 10m
There are no direct flights from Missoula to Puerto Rico. There are no popular flight routes from Missoula to Puerto Rico.
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Frequently asked questions about flying from Missoula to Puerto Rico

  • When did momondo last update prices for flights from Missoula Johnson-Bell Field Airport to Puerto Rico?

    Prices for flights from Missoula Johnson-Bell Field Airport to Puerto Rico refresh daily.

  • How many operators does momondo search for flights from Missoula Johnson-Bell Field Airport to Puerto Rico?

  • How old do you have to be to fly from Missoula Johnson-Bell Field Airport 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 Missoula Johnson-Bell Field Airport to Puerto Rico.

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

    The necessary travel and health documents for your Puerto Rico 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 Missoula to Puerto Rico

Compare and see reviews for airlines that fly from Missoula to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $300Free CancellationRating
7.4
10,104 reviews
Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Missoula to Puerto Rico for you.

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

momondo does allow users to show only those flights to Puerto Rico from Missoula which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Puerto Rico from Missoula.

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

Yes. momondo can track prices for Missoula to Puerto Rico flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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