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Puerto Rico

$298+ Cheap flights from Missoula (MSO) to Puerto Rico

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — SJU
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Missoula to Puerto Rico

Keep the following information in mind while searching for Missoula to Puerto Rico flight deals. Data was last updated March 28, 2025.

Round-trip from

$541
(Delta)

One-way from

$298
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$793
From Missoula Johnson-Bell Field to Puerto Rico
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One-way flight from Missoula Johnson-Bell Field to Puerto Rico
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Highest demand for flights based on searches. 15% potential increase in price ($137 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Missoula to Puerto Rico

Cheapest flights from Missoula to Puerto Rico
Explore the most affordable flight options available from Missoula to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/185:53 amMSO - SJU
2 stops14h 58mDelta
Sat 6/284:19 pmSJU - MSO
1 stop9h 28mDelta
Deal found 3/27$541
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/306:25 amMSO - SJU
1 stop9h 05mUnited Airlines
Fri 5/21:05 amSJU - MSO
2 stops14h 28mUnited Airlines
Deal found 3/27$595
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/187:03 amMSO - SJU
1 stop14h 22mAmerican Airlines
Mon 6/2312:59 amSJU - MSO
2 stops16h 11mAmerican Airlines
Deal found 3/27$636
This Alaska Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/302:54 pmMSO - SJU
3 stops20h 51mAlaska Airlines
Sat 5/36:05 amSJU - MSO
2 stops19h 44mAlaska Airlines
Deal found 3/27$1,273

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from Missoula to Puerto Rico that are best for you.

Fly from

Missoula

Fly to

Puerto Rico

Route

Depart

Return

Price

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 6/18

5:53 am-10:51 pm

2 stops14h 58m

San Juan Luis Munoz Marin Intl

Sat 6/28

4:19 pm-11:47 pm

1 stop9h 28m

$541

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 4/30

6:25 am-5:30 pm

1 stop9h 05m

San Juan Luis Munoz Marin Intl

Fri 5/2

1:05 am-1:33 pm

2 stops14h 28m

$595

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 6/18

7:03 am-11:25 pm

1 stop14h 22m

San Juan Luis Munoz Marin Intl

Mon 6/23

12:59 am-3:10 pm

2 stops16h 11m

$636

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 4/30

2:54 pm-1:45 pm

3 stops20h 51m

San Juan Luis Munoz Marin Intl

Sat 5/3

6:05 am-11:49 pm

2 stops19h 44m

$1,273

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 4/30

6:25 am-5:30 pm

1 stop9h 05m

$298

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 5/1

6:15 pm-2:19 pm

2 stops18h 04m

$433

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 5/1

1:32 pm-5:00 am

1 stop13h 28m

$443

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 4/30

2:54 pm-1:45 pm

3 stops20h 51m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Best time to book a flight from Missoula to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Missoula with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Missoula to Puerto Rico

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Puerto Rico. Reviews last updated March 28, 2025.
Alaska Airlines
8.0
Very good
9,798 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,798 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,603 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Missoula to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Missoula to Puerto Rico?

    Located just 5.5 mi from the city center, Missoula Johnson-Bell Field (MSO) is the airport most travelers will use when flying to Puerto Rico from Missoula.

  • What are the cheapest airlines to fly from Missoula to Puerto Rico one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $298. However, be on the lookout for offers from Delta and American Airlines, as they are both options that can get you from Missoula to Puerto Rico for a low price.

  • Can I find deals for flights from Missoula to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Missoula to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missoula to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missoula to Puerto Rico.

  • Can I find deals for business class flights from Missoula to Puerto Rico?

    Yes. Cheapflights offers flight deals from Missoula to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Missoula to Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from Missoula to Puerto Rico (average of $254). Flying from Missoula to Puerto Rico in December is currently the most expensive (average of $336). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Missoula to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Missoula to Puerto Rico

Discover the top 2 airlines that operate flights from Missoula to Puerto Rico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$484Average$894FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$565Average$748FlexibilityNo cancel feeOn-time69%
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