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Cheap flights from Missoula to Puerto Rico from $483

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 2/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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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 - 9:24 pm
MSO
-
SJU
13h 09m
2 stops
United Airlines Logo
7:20 am - 9:35 pm
SJU
-
MSO
16h 15m
2 stops
$562United Airlines
Sat, Apr 11 - Sat, Apr 25
American Airlines Logo
1:08 pm - 9:13 am
MSO
-
SJU
18h 05m
2 stops
American Airlines Logo
5:45 am - 9:45 pm
SJU
-
MSO
18h 00m
2 stops
$591American Airlines
Tue, Apr 7 - Tue, May 5
American Airlines Logo
6:45 am - 11:16 pm
MSO
-
SJU
14h 31m
1 stop
American Airlines Logo
10:32 am - 11:28 pm
SJU
-
MSO
14h 56m
2 stops
$601American Airlines
Tue, Aug 4 - Mon, Aug 10
United Airlines Logo
6:15 am - 8:38 pm
MSO
-
SJU
12h 23m
2 stops
United Airlines Logo
1:40 pm - 9:30 pm
SJU
-
MSO
9h 50m
1 stop
$619United Airlines
Tue, Apr 7 - Wed, May 6
American Airlines Logo
1:08 pm - 9:13 am
MSO
-
SJU
18h 05m
2 stops
American Airlines Logo
6:45 am - 9:45 pm
SJU
-
MSO
17h 00m
1 stop
$630American Airlines
Tue, Apr 7 - Tue, Apr 21
American Airlines Logo
6:45 am - 11:02 pm
MSO
-
SJU
14h 17m
1 stop
American Airlines Logo
6:45 am - 9:45 pm
SJU
-
MSO
17h 00m
1 stop
$639American Airlines
Tue, Apr 7 - Tue, May 5
American Airlines Logo
4:40 pm - 9:33 am
MSO
-
SJU
14h 53m
2 stops
American Airlines Logo
3:00 pm - 11:28 pm
SJU
-
MSO
10h 28m
1 stop
$640American Airlines
Sat, Aug 1 - Fri, Aug 7
American Airlines Logo
6:45 am - 11:02 pm
MSO
-
SJU
14h 17m
1 stop
American Airlines Logo
6:45 am - 9:45 pm
SJU
-
MSO
17h 00m
1 stop
$678American Airlines
Tue, Apr 7 - Tue, Apr 21
United Airlines Logo
6:15 am - 5:38 pm
MSO
-
SJU
9h 23m
1 stop
United Airlines Logo
1:40 pm - 9:30 pm
SJU
-
MSO
9h 50m
1 stop
$680United Airlines
Tue, Apr 7 - Wed, May 6
American Airlines Logo
4:40 pm - 9:33 am
MSO
-
SJU
14h 53m
2 stops
American Airlines Logo
7:05 pm - 12:16 pm
SJU
-
MSO
19h 11m
2 stops
$686American Airlines
Sat, Aug 1 - Fri, Aug 7

Alaska Airlines flights from Missoula to Puerto Rico

Our best Alaska Airlines deals on Missoula to Puerto Rico flight tickets
Alaska Airlines
Apr 5
MSO1:21 pmMissoula Johnson-Bell Field
13h 03m
1 stop
SJU4:24 amSan Juan Luis Munoz Marin Intl
May 3
SJU11:59 pmSan Juan Luis Munoz Marin Intl
14h 29m
2 stops
MSO12:28 pmMissoula Johnson-Bell Field
$946
Alaska Airlines
May 4
MSO3:55 pmMissoula Johnson-Bell Field
20h 47m
2 stops
SJU2:42 pmSan Juan Luis Munoz Marin Intl
May 8
SJU3:09 pmSan Juan Luis Munoz Marin Intl
24h 10m
3 stops
MSO1:19 pmMissoula Johnson-Bell Field
$992
Alaska Airlines
May 1
MSO3:55 pmMissoula Johnson-Bell Field
29h 07m
3 stops
SJU11:02 pmSan Juan Luis Munoz Marin Intl
May 10
SJU11:59 pmSan Juan Luis Munoz Marin Intl
17h 00m
2 stops
MSO2:59 pmMissoula Johnson-Bell Field
$1,086

United Airlines flights from Missoula to Puerto Rico

Our best United Airlines deals on Missoula to Puerto Rico flight tickets
United Airlines
Apr 11
MSO6:15 amMissoula Johnson-Bell Field
13h 09m
2 stops
SJU9:24 pmSan Juan Luis Munoz Marin Intl
Apr 25
SJU7:20 amSan Juan Luis Munoz Marin Intl
16h 15m
2 stops
MSO9:35 pmMissoula Johnson-Bell Field
$562
United Airlines
Apr 7
MSO6:15 amMissoula Johnson-Bell Field
12h 23m
2 stops
SJU8:38 pmSan Juan Luis Munoz Marin Intl
May 6
SJU1:40 pmSan Juan Luis Munoz Marin Intl
9h 50m
1 stop
MSO9:30 pmMissoula Johnson-Bell Field
$619
United Airlines
Apr 7
MSO6:15 amMissoula Johnson-Bell Field
9h 23m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
May 6
SJU1:40 pmSan Juan Luis Munoz Marin Intl
9h 50m
1 stop
MSO9:30 pmMissoula Johnson-Bell Field
$680

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 February 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

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Sat 4/11

6:15 am-9:24 pm

2 stops13h 09m

San Juan Luis Munoz Marin Intl

Sat 4/25

7:20 am-9:35 pm

2 stops16h 15m

$562

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 4/7

1:08 pm-9:13 am

2 stops18h 05m

San Juan Luis Munoz Marin Intl

Tue 5/5

5:45 am-9:45 pm

2 stops18h 00m

$591

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 8/4

6:45 am-11:16 pm

1 stop14h 31m

San Juan Luis Munoz Marin Intl

Mon 8/10

10:32 am-11:28 pm

2 stops14h 56m

$601

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 4/7

6:15 am-8:38 pm

2 stops12h 23m

San Juan Luis Munoz Marin Intl

Wed 5/6

1:40 pm-9:30 pm

1 stop9h 50m

$619

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 4/7

1:08 pm-9:13 am

2 stops18h 05m

San Juan Luis Munoz Marin Intl

Tue 4/21

6:45 am-9:45 pm

1 stop17h 00m

$630

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 4/7

6:45 am-11:02 pm

1 stop14h 17m

San Juan Luis Munoz Marin Intl

Tue 5/5

6:45 am-9:45 pm

1 stop17h 00m

$639

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Sat 8/1

4:40 pm-9:33 am

2 stops14h 53m

San Juan Luis Munoz Marin Intl

Fri 8/7

3:00 pm-11:28 pm

1 stop10h 28m

$640

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 4/7

6:45 am-11:02 pm

1 stop14h 17m

San Juan Luis Munoz Marin Intl

Tue 4/21

6:45 am-9:45 pm

1 stop17h 00m

$678

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 4/7

6:15 am-5:38 pm

1 stop9h 23m

San Juan Luis Munoz Marin Intl

Wed 5/6

1:40 pm-9:30 pm

1 stop9h 50m

$680

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Sat 8/1

4:40 pm-9:33 am

2 stops14h 53m

San Juan Luis Munoz Marin Intl

Fri 8/7

7:05 pm-12:16 pm

2 stops19h 11m

$686

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 1% 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.
Search flight deals

  • 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 $442Free CancellationRating
7.4
9,269 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.

An easier way to manage your Puerto Rico trip

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Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo
Flights to San Juanfrom $92
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