Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Missoula to Puerto Rico from $627

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 9/16. 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.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Missoula to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
1:20 pm - 12:40 pm
MSO
-
SJU
21h 20m
2 stops
American Airlines Logo
2:05 pm - 12:36 pm
SJU
-
MSO
24h 31m
2 stops
$627American Airlines
Wed, Sep 16 - Sat, Sep 26
American Airlines Logo
3:55 pm - 11:09 am
MSO
-
SJU
17h 14m
2 stops
American Airlines Logo
3:00 pm - 11:28 pm
SJU
-
MSO
10h 28m
1 stop
$647American Airlines
Tue, Sep 1 - Mon, Sep 7
American Airlines Logo
12:46 pm - 9:42 am
MSO
-
SJU
18h 56m
2 stops
American Airlines Logo
8:00 am - 11:28 pm
SJU
-
MSO
17h 28m
2 stops
$684American Airlines
Tue, Sep 1 - Mon, Sep 7
American Airlines Logo
2:08 pm - 4:25 am
MSO
-
SJU
12h 17m
1 stop
American Airlines Logo
5:30 am - 1:18 pm
SJU
-
MSO
9h 48m
1 stop
$746American Airlines
Thu, Jun 11 - Wed, Jun 17
American Airlines Logo
6:45 am - 11:03 pm
MSO
-
SJU
14h 18m
1 stop
American Airlines Logo
12:44 am - 1:28 pm
SJU
-
MSO
14h 44m
1 stop
$751American Airlines
Wed, May 20 - Sat, May 30
American Airlines Logo
2:08 pm - 11:03 am
MSO
-
SJU
18h 55m
2 stops
American Airlines Logo
12:44 am - 1:18 pm
SJU
-
MSO
14h 34m
1 stop
$758American Airlines
Thu, Jun 11 - Tue, Jun 16
United Airlines Logo
6:15 am - 8:38 pm
MSO
-
SJU
12h 23m
2 stops
United Airlines Logo
2:00 pm - 9:26 pm
SJU
-
MSO
9h 26m
1 stop
$770United Airlines
Wed, Sep 16 - Sat, Sep 26
United Airlines Logo
6:15 am - 11:50 pm
MSO
-
SJU
15h 35m
3 stops
United Airlines Logo
1:05 am - 1:27 pm
SJU
-
MSO
14h 22m
2 stops
$844United Airlines
Wed, Sep 16 - Fri, Sep 25
American Airlines Logo
2:08 pm - 11:03 am
MSO
-
SJU
18h 55m
2 stops
American Airlines Logo
6:00 am - 10:38 pm
SJU
-
MSO
18h 38m
2 stops
$848American Airlines
Thu, Jun 11 - Wed, Jun 17
United Airlines Logo
6:15 am - 9:24 pm
MSO
-
SJU
13h 09m
2 stops
United Airlines Logo
1:00 am - 11:32 am
SJU
-
MSO
12h 32m
2 stops
$909United Airlines
Wed, May 20 - Sat, May 30

United Airlines flights from Missoula to Puerto Rico

Our best United Airlines deals on Missoula to Puerto Rico flight tickets
United Airlines
Sep 16
MSO6:15 amMissoula Johnson-Bell Field
12h 23m
2 stops
SJU8:38 pmSan Juan Luis Munoz Marin Intl
Sep 26
SJU2:00 pmSan Juan Luis Munoz Marin Intl
9h 26m
1 stop
MSO9:26 pmMissoula Johnson-Bell Field
$770
United Airlines
Sep 16
MSO6:15 amMissoula Johnson-Bell Field
15h 35m
3 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Sep 25
SJU1:05 amSan Juan Luis Munoz Marin Intl
14h 22m
2 stops
MSO1:27 pmMissoula Johnson-Bell Field
$844
United Airlines
May 20
MSO6:15 amMissoula Johnson-Bell Field
13h 09m
2 stops
SJU9:24 pmSan Juan Luis Munoz Marin Intl
May 30
SJU1:00 amSan Juan Luis Munoz Marin Intl
12h 32m
2 stops
MSO11:32 amMissoula Johnson-Bell Field
$909

American Airlines flights from Missoula to Puerto Rico

Our best American Airlines deals on Missoula to Puerto Rico flight tickets
American Airlines
Sep 16
MSO1:20 pmMissoula Johnson-Bell Field
21h 20m
2 stops
SJU12:40 pmSan Juan Luis Munoz Marin Intl
Sep 26
SJU2:05 pmSan Juan Luis Munoz Marin Intl
24h 31m
2 stops
MSO12:36 pmMissoula Johnson-Bell Field
$627
American Airlines
Sep 1
MSO3:55 pmMissoula Johnson-Bell Field
17h 14m
2 stops
SJU11:09 amSan Juan Luis Munoz Marin Intl
Sep 7
SJU3:00 pmSan Juan Luis Munoz Marin Intl
10h 28m
1 stop
MSO11:28 pmMissoula Johnson-Bell Field
$647
American Airlines
Sep 1
MSO12:46 pmMissoula Johnson-Bell Field
18h 56m
2 stops
SJU9:42 amSan Juan Luis Munoz Marin Intl
Sep 7
SJU8:00 amSan Juan Luis Munoz Marin Intl
17h 28m
2 stops
MSO11:28 pmMissoula Johnson-Bell Field
$684

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 March 28, 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

Wed 9/16

1:20 pm-12:40 pm

2 stops21h 20m

San Juan Luis Munoz Marin Intl

Sat 9/26

2:05 pm-12:36 pm

2 stops24h 31m

$627

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 9/1

3:55 pm-11:09 am

2 stops17h 14m

San Juan Luis Munoz Marin Intl

Mon 9/7

3:00 pm-11:28 pm

1 stop10h 28m

$647

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 9/1

12:46 pm-9:42 am

2 stops18h 56m

San Juan Luis Munoz Marin Intl

Mon 9/7

8:00 am-11:28 pm

2 stops17h 28m

$684

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 6/11

2:08 pm-4:25 am

1 stop12h 17m

San Juan Luis Munoz Marin Intl

Wed 6/17

5:30 am-1:18 pm

1 stop9h 48m

$746

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 5/20

6:45 am-11:03 pm

1 stop14h 18m

San Juan Luis Munoz Marin Intl

Sat 5/30

12:44 am-1:28 pm

1 stop14h 44m

$751

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 6/11

2:08 pm-11:03 am

2 stops18h 55m

San Juan Luis Munoz Marin Intl

Tue 6/16

12:44 am-1:18 pm

1 stop14h 34m

$758
Quickest round-trip

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 9/16

6:15 am-8:38 pm

2 stops12h 23m

San Juan Luis Munoz Marin Intl

Sat 9/26

2:00 pm-9:26 pm

1 stop9h 26m

$770

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 9/16

6:15 am-11:50 pm

3 stops15h 35m

San Juan Luis Munoz Marin Intl

Fri 9/25

1:05 am-1:27 pm

2 stops14h 22m

$844

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 6/11

2:08 pm-11:03 am

2 stops18h 55m

San Juan Luis Munoz Marin Intl

Wed 6/17

6:00 am-10:38 pm

2 stops18h 38m

$848

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 5/20

6:15 am-9:24 pm

2 stops13h 09m

San Juan Luis Munoz Marin Intl

Sat 5/30

1:00 am-11:32 am

2 stops12h 32m

$909

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 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 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

  • 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
9,499 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

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 4/27
Mon 5/4
By creating a price alert you accept our terms of use and privacy policy.

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 $55
Flights to Aguadillafrom $191
Flights to Poncefrom $176
Flights to Mayagüezfrom $339
Flights to Culebrafrom $377