How long is the flight from Missoula to San Juan Luis Munoz Marin Intl Airport?

A quick flight from Missoula to San Juan Luis Munoz Marin Intl Airport can take about 9h 05m. United Airlines provides one of the quickest options available for as low as $531. The distance between Missoula and San Juan Luis Munoz Marin Intl Airport is about 3342 mi.

What is the cheapest airline to fly from Missoula to San Juan Luis Munoz Marin Intl Airport round-trip?

Flying on United Airlines is currently your cheapest option to San Juan Luis Munoz Marin Intl Airport, with prices starting at $565. United Airlines is currently priced 21% below the average price you’ll pay for this route.

What is the cheapest month to book a flight from Missoula to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Missoula to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Missoula to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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.

What is the cheapest day to fly from Missoula to San Juan Luis Munoz Marin Intl Airport?

Travelers seeking maximum savings on their Missoula to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport 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 San Juan Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, 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).

What is the cheapest day to fly round-trip from Missoula to San Juan Luis Munoz Marin Intl Airport?

Saturday flights are found to be more expensive to fly from Missoula to San Juan Luis Munoz Marin Intl Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Juan Luis Munoz Marin Intl Airport.

What is the cheapest month to fly from Missoula to San Juan Luis Munoz Marin Intl Airport?

October can be a great time to fly to San Juan Luis Munoz Marin Intl Airport from Missoula with a flight ticket averaging about $721. Cheapflights users have found deals in the month of October for as cheap as $260. The most expensive prices can be found in the month of January.

What is the cheapest time of day to fly from MSO to SJU?

A simple way to save on the total cost of your ticket is to fly from Missoula to San Juan Luis Munoz Marin Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the afternoon.

What airport do you fly from for flights from Missoula to San Juan Luis Munoz Marin Intl?

Most people fly from Missoula Johnson-Bell Field (MSO) if they book a flight from Missoula to San Juan Luis Munoz Marin Intl. On average, Johnson-Bell Field has 0 outbound flights to San Juan Luis Munoz Marin Intl per day from 1 airline. Missoula Johnson-Bell Field is conveniently located just 5.5 mi from Missoula’s city center.

Can I find deals for flights from Missoula to Luis Munoz Marin Intl that include hotel bookings?

Yes. In addition to deals on Missoula to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Missoula to Luis Munoz Marin Intl?

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

Can I find deals for business class flights from Missoula to Luis Munoz Marin Intl?

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

$276+ Flights from Missoula to San Juan Luis Munoz Marin Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Missoula to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Missoula to Luis Munoz Marin Intl

Round-trip from	$531 (United Airlines)
One-way from	$276 (Trip.com)
Popular in	January
Cheapest in	October
Average price	$665

From Missoula Johnson-Bell Field to San Juan Luis Munoz Marin Intl

Search Deals

One-way flight from Missoula Johnson-Bell Field to San Juan Luis Munoz Marin Intl

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($86 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Missoula to Luis Munoz Marin Intl

Cheapest flights from Missoula to Luis Munoz Marin Intl
Explore the most affordable flight options available from Missoula to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Sat 11/16:20 amMSO - SJU

1 stop9h 05mUnited Airlines

Fri 11/142:05 amSJU - MSO

2 stops16h 56mUnited Airlines

Deal found 9/10

$531

Wed 10/86:25 amMSO - SJU

1 stop9h 05mUnited Airlines

Tue 10/141:05 amSJU - MSO

2 stops14h 22mUnited Airlines

Deal found 9/10

$556

Mon 12/86:16 pmMSO - SJU

2 stops15h 41mDelta

Thu 12/113:20 pmSJU - MSO

2 stops12h 15mDelta

Deal found 9/10

$560

Mon 12/87:00 amMSO - SJU

2 stops25h 59mAmerican Airlines

Thu 12/117:00 amSJU - MSO

1 stop16h 33mAmerican Airlines

Deal found 9/9

$641

Mon 12/86:15 amMSO - SJU

1 stop9h 10mUnited Airlines

Thu 12/112:25 pmSJU - MSO

1 stop9h 53mUnited Airlines

Deal found 9/9

$688

Best flights from Missoula to Luis Munoz Marin Intl
Discover carefully curated flight deals from Missoula to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

Sat 11/16:20 amMSO - SJU

1 stop9h 05mUnited Airlines

Fri 11/142:05 amSJU - MSO

2 stops16h 56mUnited Airlines

Deal found 9/10

$531

Mon 12/86:16 pmMSO - SJU

2 stops15h 41mDelta

Thu 12/113:20 pmSJU - MSO

2 stops12h 15mDelta

Deal found 9/10

$560

Thu 1/87:00 amMSO - SJU

1 stop12h 14mAmerican Airlines

Wed 1/216:50 pmSJU - MSO

2 stops20h 35mAmerican Airlines

Deal found 9/11

$571

Sat 11/16:20 amMSO - SJU

1 stop9h 05mUnited Airlines

Fri 11/72:05 amSJU - MSO

2 stops14h 28mUnited Airlines

Deal found 9/10

$531

Wed 10/86:25 amMSO - SJU

1 stop9h 05mUnited Airlines

Tue 10/141:05 amSJU - MSO

2 stops14h 22mUnited Airlines

Deal found 9/10

$556

Mon 12/86:15 amMSO - SJU

1 stop9h 10mUnited Airlines

Thu 12/112:25 pmSJU - MSO

1 stop9h 53mUnited Airlines

Deal found 9/9

$688

Last-minute flights from Missoula to Luis Munoz Marin Intl
Discover last-minute flight deals from Missoula to Luis Munoz Marin Intl. Data last updated September 11, 2025 and is based on user searches.

Wed 10/86:25 amMSO - SJU

1 stop9h 05mUnited Airlines

Wed 10/152:00 pmSJU - MSO

1 stop9h 25mUnited Airlines

Deal found 9/10

$556

Wed 10/84:12 pmMSO - SJU

2 stops19h 56mAlaska Airlines

Wed 10/153:34 pmSJU - MSO

3 stops25h 49mAlaska Airlines

Deal found 9/10

$2,707

One-way flights from Missoula to Luis Munoz Marin Intl
Search for one-way flight options from Missoula to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Sat 10/118:30 amMSO - SJU

2 stops15h 32mMultiple Airlines

Deal found 9/10

$276

Tue 12/305:20 amMSO - SJU

2 stops14h 56mDelta

Deal found 9/9

$317

Mon 12/294:20 pmMSO - SJU

2 stops18h 13mMultiple Airlines

Deal found 9/9

$397

Wed 12/241:18 pmMSO - SJU

2 stops17h 18mAmerican Airlines

Deal found 9/11

$398

Tue 12/231:18 pmMSO - SJU

1 stop12h 46mAlaska Airlines

Deal found 9/9

$418

Wed 12/242:38 pmMSO - SJU

2 stops12h 33mUnited Airlines

Deal found 9/9

$420

Thu 12/255:20 amMSO - SJU

2 stops14h 56mDelta

Deal found 9/9

$428

Tue 12/306:00 amMSO - SJU

1 stop9h 25mUnited Airlines

Deal found 9/9

$473

Cheapflights Fare Finder

Use the filters below to find and compare flights from Missoula to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Sat 11/1

6:20 am-5:25 pm

1 stop9h 05m

San Juan Luis Munoz Marin Intl

Fri 11/14

2:05 am-4:01 pm

2 stops16h 56m

$531

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Sat 11/1

6:20 am-5:25 pm

1 stop9h 05m

San Juan Luis Munoz Marin Intl

Fri 11/7

2:05 am-1:33 pm

2 stops14h 28m

$531

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 10/8

6:25 am-5:30 pm

1 stop9h 05m

San Juan Luis Munoz Marin Intl

Tue 10/14

1:05 am-1:27 pm

2 stops14h 22m

$556

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Mon 12/8

6:16 pm-12:57 pm

2 stops15h 41m

San Juan Luis Munoz Marin Intl

Thu 12/11

3:20 pm-12:35 am

2 stops12h 15m

$560

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/8

7:00 am-10:14 pm

1 stop12h 14m

San Juan Luis Munoz Marin Intl

Wed 1/21

6:50 pm-12:25 pm

2 stops20h 35m

$571

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Mon 12/8

6:15 am-6:25 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Thu 12/11

2:25 pm-9:18 pm

1 stop9h 53m

$688

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Sat 10/11

8:30 am-2:02 am

2 stops15h 32m

$276

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 12/30

5:20 am-11:16 pm

2 stops14h 56m

$317

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 12/24

1:18 pm-9:36 am

2 stops17h 18m

$398

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 12/25

5:20 am-9:10 pm

2 stops12h 50m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 14 results

Best time to book a flight from Missoula to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl 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.

Reviews of airlines servicing Luis Munoz Marin Intl

Read reviews from past customers who have flown United Airlines from Missoula to San Juan Luis Munoz Marin Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,937 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,937 reviews

United Airlines

7.4

Good

8,937 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

What airport do you fly from for flights from Missoula to San Juan Luis Munoz Marin Intl?
Most people fly from Missoula Johnson-Bell Field (MSO) if they book a flight from Missoula to San Juan Luis Munoz Marin Intl. On average, Johnson-Bell Field has 0 outbound flights to San Juan Luis Munoz Marin Intl per day from 1 airline. Missoula Johnson-Bell Field is conveniently located just 5.5 mi from Missoula’s city center.
How long is the flight from Missoula to San Juan Luis Munoz Marin Intl Airport?
A quick flight from Missoula to San Juan Luis Munoz Marin Intl Airport can take about 9h 05m. United Airlines provides one of the quickest options available for as low as $531. The distance between Missoula and San Juan Luis Munoz Marin Intl Airport is about 3342 mi.
What is the cheapest airline to fly from Missoula to San Juan Luis Munoz Marin Intl Airport round-trip?
Flying on United Airlines is currently your cheapest option to San Juan Luis Munoz Marin Intl Airport, with prices starting at $565. United Airlines is currently priced 21% below the average price you’ll pay for this route.
Can I find deals for flights from Missoula to Luis Munoz Marin Intl that include hotel bookings?
Yes. In addition to deals on Missoula to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Missoula to Luis Munoz Marin Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missoula to Luis Munoz Marin Intl.
Can I find deals for business class flights from Missoula to Luis Munoz Marin Intl?
Yes. Cheapflights offers flight deals from Missoula to Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport?
Currently, September is the cheapest month in which you can book a flight from Missoula to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Missoula to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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.

See more FAQs

Dorado

Fajardo

Rio Grande

Luquillo

Humacao

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Missoula to Luis Munoz Marin Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$565	Average$764	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$276+ Cheap flights from Missoula (MSO) to Luis Munoz Marin Intl (SJU)

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Missoula to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Missoula to Luis Munoz Marin Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Missoula to Luis Munoz Marin Intl

Cheapest flights from Missoula to Luis Munoz Marin IntlExplore the most affordable flight options available from Missoula to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Explore the most affordable flight options available from Missoula to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Missoula to San Juan Luis Munoz Marin Intl Airport that are best for you.

Best time to book a flight from Missoula to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Missoula with our price prediction graph.

Reviews of airlines servicing Luis Munoz Marin Intl

Read reviews from past customers who have flown United Airlines from Missoula to San Juan Luis Munoz Marin Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Missoula to Luis Munoz Marin Intl. 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 San Juan Luis Munoz Marin Intl?

How long is the flight from Missoula to San Juan Luis Munoz Marin Intl Airport?

What is the cheapest airline to fly from Missoula to San Juan Luis Munoz Marin Intl Airport round-trip?

Can I find deals for flights from Missoula to Luis Munoz Marin Intl that include hotel bookings?

How can I find direct flights from Missoula to Luis Munoz Marin Intl?

Can I find deals for business class flights from Missoula to Luis Munoz Marin Intl?

What is the cheapest month to book a flight from Missoula to San Juan Luis Munoz Marin Intl Airport?

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Missoula to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Missoula to Luis Munoz Marin Intl

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Missoula to Luis Munoz Marin Intl
Explore the most affordable flight options available from Missoula to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.