What are the cheapest airlines flying from Missoula to San Juan Luis Munoz Marin Intl Airport round-trip?

Flying on Delta is currently your cheapest option to San Juan Luis Munoz Marin Intl Airport, with prices starting at $510. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $628 and $636, respectively. Delta is currently priced 35% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Missoula to San Juan Luis Munoz Marin Intl Airport one-way?

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $264. American Airlines flights start at $343 while deals on Alaska Airlines start at $481 one-way.

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 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.

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.

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?

September can be a great time to fly to San Juan Luis Munoz Marin Intl Airport from Missoula with a flight ticket averaging about $797. Cheapflights users have found deals in the month of September for as cheap as $509. The most expensive prices can be found in the month of December.

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.

Most accurate provider : When it comes to deals on Missoula-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Missoula-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Missoula-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Missoula-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Missoula-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 2 airlines. 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.

$264+ Flights from Missoula to San Juan Luis Munoz Marin Intl Airport

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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

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$510 (Delta)
One-way from	$264 (Delta)
Popular in	December
Cheapest in	September
Average price	$738

Provider with most accurate pricing for Missoula Johnson-Bell Field-San Juan Luis Munoz Marin Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-San Juan Luis Munoz Marin Intl flights.

Search Deals

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. 18% potential increase in price ($180 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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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 April 17, 2025.

Wed 7/96:10 pmMSO - SJU

2 stops17h 00mDelta

Sat 7/194:28 pmSJU - MSO

1 stop9h 26mDelta

Deal found 4/17

$510

Tue 7/226:15 amMSO - SJU

1 stop9h 15mUnited Airlines

Tue 7/291:40 pmSJU - MSO

1 stop9h 43mUnited Airlines

Deal found 4/17

$628

Mon 6/95:38 amMSO - SJU

2 stops16h 30mAmerican Airlines

Sat 6/218:00 amSJU - MSO

2 stops17h 24mAmerican Airlines

Deal found 4/17

$636

Tue 7/225:45 amMSO - SJU

3 stops21h 21mAlaska Airlines

Tue 7/293:08 pmSJU - MSO

2 stops23h 27mAlaska Airlines

Deal found 4/17

$1,271

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 April 17, 2025.

Wed 7/96:10 pmMSO - SJU

2 stops17h 00mDelta

Sat 7/194:28 pmSJU - MSO

1 stop9h 26mDelta

Deal found 4/17

$510

Tue 7/226:15 amMSO - SJU

1 stop9h 15mUnited Airlines

Tue 7/291:40 pmSJU - MSO

1 stop9h 43mUnited Airlines

Deal found 4/17

$628

Mon 6/95:38 amMSO - SJU

2 stops16h 30mAmerican Airlines

Sat 6/218:00 amSJU - MSO

2 stops17h 24mAmerican Airlines

Deal found 4/17

$636

Tue 7/225:45 amMSO - SJU

3 stops21h 21mAlaska Airlines

Tue 7/293:08 pmSJU - MSO

2 stops23h 27mAlaska Airlines

Deal found 4/17

$1,271

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 April 17, 2025 and is based on user searches.

Tue 4/226:15 pmMSO - SJU

2 stops15h 25mDelta

Fri 5/212:50 pmSJU - MSO

2 stops13h 43mDelta

Deal found 4/17

$715

Tue 4/226:25 amMSO - SJU

2 stops15h 32mUnited Airlines

Fri 5/21:40 pmSJU - MSO

1 stop9h 39mUnited Airlines

Deal found 4/17

$805

Fri 5/26:15 pmMSO - SJU

2 stops15h 54mDelta

Tue 5/62:20 pmSJU - MSO

2 stops12h 13mDelta

Deal found 4/17

$675

Fri 5/22:35 pmMSO - SJU

2 stops28h 03mUnited Airlines

Mon 5/51:05 amSJU - MSO

2 stops14h 28mUnited Airlines

Deal found 4/17

$801

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 April 17, 2025.

Wed 7/96:10 pmMSO - SJU

2 stops17h 00mDelta

Deal found 4/17

$264

Wed 7/97:03 amMSO - SJU

1 stop20h 03mAmerican Airlines

Deal found 4/17

$343

Wed 7/96:35 amMSO - SJU

3 stops20h 31mAlaska Airlines

Deal found 4/17

$481

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

Wed 7/9

6:10 pm-1:10 pm

2 stops17h 00m

San Juan Luis Munoz Marin Intl

Sat 7/19

4:28 pm-11:54 pm

1 stop9h 26m

$510

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 7/22

6:15 am-5:30 pm

1 stop9h 15m

San Juan Luis Munoz Marin Intl

Tue 7/29

1:40 pm-9:23 pm

1 stop9h 43m

$628

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Mon 6/9

5:38 am-12:08 am

2 stops16h 30m

San Juan Luis Munoz Marin Intl

Sat 6/21

8:00 am-11:24 pm

2 stops17h 24m

$636

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 7/22

5:45 am-5:06 am

3 stops21h 21m

San Juan Luis Munoz Marin Intl

Tue 7/29

3:08 pm-12:35 pm

2 stops23h 27m

$1,271

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 7/9

6:10 pm-1:10 pm

2 stops17h 00m

$264

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 7/9

7:03 am-5:06 am

1 stop20h 03m

$343

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 7/9

6:35 am-5:06 am

3 stops20h 31m

$481

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Compare providers for flights from Missoula to Luis Munoz Marin Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Missoula to Luis Munoz Marin Intl in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Missoula-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Missoula-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Missoula-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Missoula-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Missoula-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Cheapflights Insights

Everything you need to know about your flight from Missoula to San Juan Luis Munoz Marin Intl Airport

Rainfall in Luis Munoz Marin Intl by month

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.

Temperature in Luis Munoz Marin Intl by month

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).

Reviews of airlines servicing Luis Munoz Marin Intl

To help decide which airline to fly from Missoula to San Juan, see what other customers have to say about Alaska Airlines, Delta and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,882 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,917 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,667 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,882 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 2 airlines. Missoula Johnson-Bell Field is conveniently located just 5.5 mi from Missoula’s city center.
What are the cheapest airlines flying from Missoula to San Juan Luis Munoz Marin Intl Airport round-trip?
Flying on Delta is currently your cheapest option to San Juan Luis Munoz Marin Intl Airport, with prices starting at $510. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $628 and $636, respectively. Delta is currently priced 35% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Missoula to San Juan Luis Munoz Marin Intl Airport one-way?
To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $264. American Airlines flights start at $343 while deals on Alaska Airlines start at $481 one-way.
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 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.

See more FAQs

Dorado

Fajardo

Luquillo

Rio Grande

Humacao

Bayamón

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Top 2 airlines flying from Missoula to Luis Munoz Marin Intl

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$484	Average$894	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$565	Average$767	FlexibilityNo cancel fee	On-time69%

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$264+ 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 7/9. 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

Most accurate provider

Most trusted provider

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 April 17, 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 April 17, 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.

Compare providers for flights from Missoula to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Missoula to Luis Munoz Marin Intl in April.

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.

Cheapflights Insights

Everything you need to know about your flight from Missoula to San Juan Luis Munoz Marin Intl Airport

Rainfall in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average rainfall totals by month.

Temperature in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Luis Munoz Marin Intl

To help decide which airline to fly from Missoula to San Juan, see what other customers have to say about Alaska Airlines, Delta and United Airlines. Users have also rated airlines 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?

What are the cheapest airlines flying from Missoula to San Juan Luis Munoz Marin Intl Airport round-trip?

What are the cheapest airlines to fly from Missoula to San Juan Luis Munoz Marin Intl Airport one-way?

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 Missoula?

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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 2 airlines flying from Missoula to Luis Munoz Marin Intl

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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 April 17, 2025.