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Cheap flights from Missoula to Puerto Rico from $719

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Missoula to Puerto Rico departing on 10/3. 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
6:15 am - 5:38 pm
MSO
-
SJU
9h 23m
1 stop
United Airlines Logo
1:00 am - 1:32 pm
SJU
-
MSO
14h 32m
2 stops
$719United Airlines
Sat, Oct 3 - Tue, Oct 6
United Airlines Logo
6:15 am - 5:38 pm
MSO
-
SJU
9h 23m
1 stop
United Airlines Logo
1:00 am - 1:32 pm
SJU
-
MSO
14h 32m
2 stops
$721United Airlines
Sat, Oct 3 - Tue, Oct 6
American Airlines Logo
7:00 am - 5:19 am
MSO
-
SJU
19h 19m
1 stop
American Airlines Logo
7:00 am - 8:33 pm
SJU
-
MSO
16h 33m
1 stop
$761American Airlines
Thu, Dec 10 - Sun, Dec 13
United Airlines Logo
6:15 am - 5:38 pm
MSO
-
SJU
9h 23m
1 stop
United Airlines Logo
2:00 pm - 9:32 pm
SJU
-
MSO
9h 32m
1 stop
$796United Airlines
Sat, Oct 3 - Wed, Oct 7
United Airlines Logo
6:15 am - 5:38 pm
MSO
-
SJU
9h 23m
1 stop
United Airlines Logo
1:00 am - 9:32 pm
SJU
-
MSO
22h 32m
2 stops
$826United Airlines
Sat, Oct 3 - Tue, Oct 6
United Airlines Logo
12:21 pm - 11:57 am
MSO
-
SJU
21h 36m
2 stops
United Airlines Logo
1:00 am - 1:32 pm
SJU
-
MSO
14h 32m
2 stops
$841United Airlines
Sat, Oct 3 - Tue, Oct 6
United Airlines Logo
12:21 pm - 11:57 am
MSO
-
SJU
21h 36m
2 stops
United Airlines Logo
1:00 am - 1:32 pm
SJU
-
MSO
14h 32m
2 stops
$843United Airlines
Sat, Oct 3 - Tue, Oct 6
United Airlines Logo
2:38 pm - 3:42 pm
MSO
-
SJU
23h 04m
2 stops
United Airlines Logo
1:00 am - 9:32 pm
SJU
-
MSO
22h 32m
2 stops
$875United Airlines
Sat, Oct 3 - Tue, Oct 6
Delta Logo
8:00 am - 11:55 pm
MSO
-
SJU
12h 55m
2 stops
Delta Logo
7:00 am - 8:12 pm
SJU
-
MSO
16h 12m
2 stops
$896Delta
Thu, Dec 10 - Sun, Dec 13
United Airlines Logo
5:32 pm - 1:41 pm
MSO
-
SJU
17h 09m
2 stops
United Airlines Logo
3:05 pm - 4:10 pm
SJU
-
MSO
28h 05m
2 stops
$1,024United Airlines
Thu, Dec 10 - Sun, Dec 13

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United Airlines flights from Missoula to Puerto Rico

Our best United Airlines deals on Missoula to Puerto Rico flight tickets
United Airlines
Oct 3
MSO6:15 amMissoula Johnson-Bell Field
9h 23m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
Oct 6
SJU1:00 amSan Juan Luis Munoz Marin Intl
14h 32m
2 stops
MSO1:32 pmMissoula Johnson-Bell Field
$719
United Airlines
Oct 3
MSO6:15 amMissoula Johnson-Bell Field
9h 23m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
Oct 6
SJU1:00 amSan Juan Luis Munoz Marin Intl
14h 32m
2 stops
MSO1:32 pmMissoula Johnson-Bell Field
$721
United Airlines
Oct 3
MSO6:15 amMissoula Johnson-Bell Field
9h 23m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
Oct 7
SJU2:00 pmSan Juan Luis Munoz Marin Intl
9h 32m
1 stop
MSO9:32 pmMissoula Johnson-Bell Field
$796

Alaska Airlines flights from Missoula to Puerto Rico

Our best Alaska Airlines deals on Missoula to Puerto Rico flight tickets
Alaska Airlines
Dec 10
MSO6:40 amMissoula Johnson-Bell Field
19h 39m
3 stops
SJU5:19 amSan Juan Luis Munoz Marin Intl
Dec 13
SJU3:47 pmSan Juan Luis Munoz Marin Intl
24h 49m
3 stops
MSO1:36 pmMissoula Johnson-Bell Field
$4,251
Alaska Airlines
Dec 10
MSO6:40 amMissoula Johnson-Bell Field
19h 39m
3 stops
SJU5:19 amSan Juan Luis Munoz Marin Intl
Dec 13
SJU3:47 pmSan Juan Luis Munoz Marin Intl
24h 49m
3 stops
MSO1:36 pmMissoula Johnson-Bell Field
$4,269
Alaska Airlines
Dec 10
MSO6:40 amMissoula Johnson-Bell Field
19h 39m
3 stops
SJU5:19 amSan Juan Luis Munoz Marin Intl
Dec 13
SJU3:50 pmSan Juan Luis Munoz Marin Intl
24h 46m
3 stops
MSO1:36 pmMissoula Johnson-Bell Field
$4,590

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 June 26, 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 - SJU

MSOSJU

Missoula Johnson-Bell Field

Sat 10/3

6:15 am-5:38 pm

1 stop9h 23m

San Juan Luis Munoz Marin Intl

Tue 10/6

1:00 am-1:32 pm

2 stops14h 32m

$719

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Sat 10/3

6:15 am-5:38 pm

1 stop9h 23m

San Juan Luis Munoz Marin Intl

Tue 10/6

1:00 am-1:32 pm

2 stops14h 32m

$721

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 12/10

7:00 am-5:19 am

1 stop19h 19m

San Juan Luis Munoz Marin Intl

Sun 12/13

7:00 am-8:33 pm

1 stop16h 33m

$761
Quickest round-trip

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Sat 10/3

6:15 am-5:38 pm

1 stop9h 23m

San Juan Luis Munoz Marin Intl

Wed 10/7

2:00 pm-9:32 pm

1 stop9h 32m

$796

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Sat 10/3

6:15 am-5:38 pm

1 stop9h 23m

San Juan Luis Munoz Marin Intl

Tue 10/6

1:00 am-9:32 pm

2 stops22h 32m

$826

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Sat 10/3

12:21 pm-11:57 am

2 stops21h 36m

San Juan Luis Munoz Marin Intl

Tue 10/6

1:00 am-1:32 pm

2 stops14h 32m

$841

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Sat 10/3

12:21 pm-11:57 am

2 stops21h 36m

San Juan Luis Munoz Marin Intl

Tue 10/6

1:00 am-1:32 pm

2 stops14h 32m

$843

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Sat 10/3

2:38 pm-3:42 pm

2 stops23h 04m

San Juan Luis Munoz Marin Intl

Tue 10/6

1:00 am-9:32 pm

2 stops22h 32m

$875

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 12/10

8:00 am-11:55 pm

2 stops12h 55m

San Juan Luis Munoz Marin Intl

Sun 12/13

7:00 am-8:12 pm

2 stops16h 12m

$896

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 12/10

5:32 pm-1:41 pm

2 stops17h 09m

San Juan Luis Munoz Marin Intl

Sun 12/13

3:05 pm-4:10 pm

2 stops28h 05m

$1,024

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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

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 23m

Direct flights

None
The fastest flight from Missoula to Puerto Rico takes 9h 23m
There are no direct flights from Missoula to Puerto Rico. There are no popular flight routes from Missoula to Puerto Rico.
Search flight deals

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
9,893 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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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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