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Cheap flights from Missoula to Puerto Rico from $202

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 1/1. 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 Missoula to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:05 pm - 4:49 pmMSO-SJU
19h 44m2 stops
Delta Logo
7:00 am - 8:14 pmSJU-MSO
16h 14m2 stops
$513Delta
Find Deal
Thu, Jan 8 - Wed, Jan 21
Delta Logo
6:05 pm - 4:49 pmMSO-SJU
19h 44m2 stops
Delta Logo
7:30 am - 8:14 pmSJU-MSO
15h 44m2 stops
$527Delta
Find Deal
Thu, Jan 8 - Wed, Jan 21
American Airlines Logo
1:21 pm - 1:08 pmMSO-SJU
20h 47m2 stops
American Airlines Logo
7:07 am - 8:45 pmSJU-MSO
16h 38m1 stop
$531American Airlines
Find Deal
Thu, Jan 8 - Wed, Jan 21
American Airlines Logo
7:00 am - 10:26 pmMSO-SJU
12h 26m1 stop
American Airlines Logo
7:07 am - 8:45 pmSJU-MSO
16h 38m1 stop
$570American Airlines
Find Deal
Thu, Jan 8 - Wed, Jan 21
United Airlines Logo
6:00 am - 9:00 pmMSO-SJU
12h 00m2 stops
United Airlines Logo
2:25 pm - 9:57 pmSJU-MSO
10h 32m1 stop
$585United Airlines
Find Deal
Thu, Jan 29 - Thu, Feb 12
United Airlines Logo
6:15 am - 10:22 pmMSO-SJU
13h 07m2 stops
United Airlines Logo
8:35 am - 9:57 pmSJU-MSO
16h 22m2 stops
$616United Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
6:15 am - 10:22 pmMSO-SJU
13h 07m2 stops
United Airlines Logo
2:25 pm - 9:57 pmSJU-MSO
10h 32m1 stop
$621United Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
6:00 am - 10:22 pmMSO-SJU
13h 22m2 stops
United Airlines Logo
2:05 am - 1:35 pmSJU-MSO
14h 30m2 stops
$725United Airlines
Find Deal
Thu, Jan 8 - Tue, Jan 20
Alaska Airlines Logo
6:23 am - 10:26 pmMSO-SJU
13h 03m2 stops
Alaska Airlines Logo
7:07 am - 11:55 pmSJU-MSO
19h 48m3 stops
$899Alaska Airlines
Find Deal
Thu, Jan 8 - Wed, Jan 21
Alaska Airlines Logo
2:03 pm - 10:26 pmMSO-SJU
29h 23m3 stops
Alaska Airlines Logo
7:30 am - 11:57 pmSJU-MSO
19h 27m2 stops
$1,256Alaska Airlines
Find Deal
Thu, Jan 29 - Thu, Feb 12

Alaska Airlines flights from Missoula to Puerto Rico

Our best Alaska Airlines deals on Missoula to Puerto Rico flight tickets
Alaska Airlines
Jan 8
MSO6:23 amMissoula Johnson-Bell Field
13h 03m
2 stops
SJU10:26 pmSan Juan Luis Munoz Marin Intl
Jan 21
SJU7:07 amSan Juan Luis Munoz Marin Intl
19h 48m
3 stops
MSO11:55 pmMissoula Johnson-Bell Field
$899
Find similar
Alaska Airlines
Jan 29
MSO2:03 pmMissoula Johnson-Bell Field
29h 23m
3 stops
SJU10:26 pmSan Juan Luis Munoz Marin Intl
Feb 12
SJU7:30 amSan Juan Luis Munoz Marin Intl
19h 27m
2 stops
MSO11:57 pmMissoula Johnson-Bell Field
$1,256
Find similar
Alaska Airlines
Jan 8
MSO1:03 pmMissoula Johnson-Bell Field
29h 36m
2 stops
SJU9:39 pmSan Juan Luis Munoz Marin Intl
Jan 21
SJU7:07 amSan Juan Luis Munoz Marin Intl
19h 48m
3 stops
MSO11:55 pmMissoula Johnson-Bell Field
$1,286
Find similar

American Airlines flights from Missoula to Puerto Rico

Our best American Airlines deals on Missoula to Puerto Rico flight tickets
American Airlines
Jan 8
MSO1:21 pmMissoula Johnson-Bell Field
20h 47m
2 stops
SJU1:08 pmSan Juan Luis Munoz Marin Intl
Jan 21
SJU7:07 amSan Juan Luis Munoz Marin Intl
16h 38m
1 stop
MSO8:45 pmMissoula Johnson-Bell Field
$531
Find similar
American Airlines
Jan 8
MSO7:00 amMissoula Johnson-Bell Field
12h 26m
1 stop
SJU10:26 pmSan Juan Luis Munoz Marin Intl
Jan 21
SJU7:07 amSan Juan Luis Munoz Marin Intl
16h 38m
1 stop
MSO8:45 pmMissoula Johnson-Bell Field
$570
Find similar
American Airlines
Nov 20
MSO7:00 amMissoula Johnson-Bell Field
24h 10m
2 stops
SJU10:10 amSan Juan Luis Munoz Marin Intl
Nov 24
SJU6:00 amSan Juan Luis Munoz Marin Intl
17h 34m
2 stops
MSO8:34 pmMissoula Johnson-Bell Field
$785
Find similar

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 November 6, 2025.
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

Thu 1/8

6:05 pm-4:49 pm

2 stops19h 44m

San Juan Luis Munoz Marin Intl

Wed 1/21

7:00 am-8:14 pm

2 stops16h 14m

$513

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/8

6:05 pm-4:49 pm

2 stops19h 44m

San Juan Luis Munoz Marin Intl

Wed 1/21

7:30 am-8:14 pm

2 stops15h 44m

$527

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/8

1:21 pm-1:08 pm

2 stops20h 47m

San Juan Luis Munoz Marin Intl

Wed 1/21

7:07 am-8:45 pm

1 stop16h 38m

$531

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/8

7:00 am-10:26 pm

1 stop12h 26m

San Juan Luis Munoz Marin Intl

Wed 1/21

7:07 am-8:45 pm

1 stop16h 38m

$570

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/29

6:00 am-9:00 pm

2 stops12h 00m

San Juan Luis Munoz Marin Intl

Thu 2/12

2:25 pm-9:57 pm

1 stop10h 32m

$585

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 3/3

6:15 am-10:22 pm

2 stops13h 07m

San Juan Luis Munoz Marin Intl

Wed 3/4

8:35 am-9:57 pm

2 stops16h 22m

$616

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 3/3

6:15 am-10:22 pm

2 stops13h 07m

San Juan Luis Munoz Marin Intl

Wed 3/4

2:25 pm-9:57 pm

1 stop10h 32m

$621

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/8

6:00 am-10:22 pm

2 stops13h 22m

San Juan Luis Munoz Marin Intl

Tue 1/20

2:05 am-1:35 pm

2 stops14h 30m

$725

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/8

6:23 am-10:26 pm

2 stops13h 03m

San Juan Luis Munoz Marin Intl

Wed 1/21

7:07 am-11:55 pm

3 stops19h 48m

$899

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/29

2:03 pm-10:26 pm

3 stops29h 23m

San Juan Luis Munoz Marin Intl

Thu 2/12

7:30 am-11:57 pm

2 stops19h 27m

$1,256

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from Missoula is on a Saturday. momondo users have found tickets for Saturday departures for as low as $661. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Sunday, with ticket prices averaging around $897.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is at noon. Flights from Missoula to Puerto Rico during this time can be as low as $651. In contrast, the most expensive time of day to depart to Puerto Rico is in the afternoon when prices are around $769.

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

Direct flights

None
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 $531Free CancellationRating
7.4
9,007 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 $96
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