What is the cheapest airline that flies from Missoula Johnson-Bell Field to San Juan Luis Munoz Marin Intl?

United Airlines and American Airlines are the most popular carriers operating from Missoula Johnson-Bell Field to San Juan Luis Munoz Marin Intl

When did momondo last update prices for flights from Missoula Johnson-Bell Field Airport to San Juan Luis Munoz Marin Intl Airport?

Prices for flights from Missoula Johnson-Bell Field Airport to San Juan Luis Munoz Marin Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Missoula Johnson-Bell Field Airport to San Juan Luis Munoz Marin Intl Airport?

As of September 2026, there is 1 operator available to choose from for flights from Missoula Johnson-Bell Field Airport to San Juan Luis Munoz Marin Intl Airport.

How old do you have to be to fly from Missoula Johnson-Bell Field Airport to San Juan Luis Munoz Marin Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missoula Johnson-Bell Field Airport to San Juan Luis Munoz Marin Intl Airport.

What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

The necessary travel and health documents for your San Juan Luis Munoz Marin Intl Airport 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.

$304 Cheap Flights from Missoula to San Juan Luis Munoz Marin Intl Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missoula to San Juan

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Cheap round-trip flights

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6:15 am - 12:36 amMSO Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl

15h 21m2 stops Denver Intl Newark

8:25 am - 9:26 pmSJU San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field

16h 01m2 stops Chicago O'Hare Intl Denver Intl

$558United Airlines

Sat, Jan 16 - Tue, Jan 26

6:50 am - 9:42 amMSO Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl

23h 52m2 stops Dallas/Fort Worth Miami

6:38 pm - 12:36 pmSJU San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field

20h 58m2 stops Charlotte Douglas Chicago O'Hare Intl

$608American Airlines

Thu, Dec 10 - Sun, Dec 13

1:06 pm - 1:03 pmMSO Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl

20h 57m2 stops Chicago O'Hare Intl Charlotte Douglas

3:17 pm - 12:48 pmSJU San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field

24h 31m2 stops Miami Chicago O'Hare Intl

$608American Airlines

Sun, Nov 15 - Wed, Nov 18

6:50 am - 12:16 amMSO Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl

14h 26m1 stop Dallas/Fort Worth

9:45 am - 8:15 pmSJU San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field

13h 30m2 stops Miami Dallas/Fort Worth

$608American Airlines

Sun, Nov 15 - Wed, Nov 18

8:00 am - 11:50 pmMSO Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl

12h 50m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

6:15 am - 8:12 pmSJU San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field

16h 57m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

$620Delta

Wed, Feb 10 - Thu, Feb 18

1:45 pm - 2:17 pmMSO Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl

21h 32m2 stops Chicago O'Hare Intl Miami

6:28 am - 8:27 pmSJU San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field

16h 59m1 stop Dallas/Fort Worth

$645American Airlines

Sat, Jan 16 - Tue, Jan 26

1:06 pm - 10:44 amMSO Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl

18h 38m2 stops Chicago O'Hare Intl Miami

6:38 pm - 12:36 pmSJU San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field

20h 58m2 stops Charlotte Douglas Chicago O'Hare Intl

$645American Airlines

Thu, Dec 10 - Sun, Dec 13

7:04 am - 11:59 pmMSO Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl

13h 55m1 stop Dallas/Fort Worth

6:28 am - 8:27 pmSJU San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field

16h 59m1 stop Dallas/Fort Worth

$685American Airlines

Sat, Jan 16 - Tue, Jan 26

6:50 am - 12:16 amMSO Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl

14h 26m1 stop Dallas/Fort Worth

6:28 am - 8:15 pmSJU San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field

16h 47m1 stop Dallas/Fort Worth

$695American Airlines

Sun, Nov 15 - Wed, Nov 18

6:15 am - 6:25 pmMSO Missoula Johnson-Bell Field-SJU San Juan Luis Munoz Marin Intl

9h 10m1 stop Denver Intl

2:21 pm - 9:47 pmSJU San Juan Luis Munoz Marin Intl-MSO Missoula Johnson-Bell Field

10h 26m1 stop Denver Intl

$698United Airlines

Mon, Nov 9 - Thu, Nov 12

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United Airlines flights from Missoula to San Juan Luis Munoz Marin Intl Airport

Our best United Airlines deals on Missoula to San Juan Luis Munoz Marin Intl Airport flight tickets

United Airlines

Jan 16

MSO6:15 amMissoula Johnson-Bell Field

15h 21m

2 stops

SJU12:36 amSan Juan Luis Munoz Marin Intl

Jan 26

SJU8:25 amSan Juan Luis Munoz Marin Intl

16h 01m

2 stops

MSO9:26 pmMissoula Johnson-Bell Field

$558

United Airlines

Nov 9

MSO6:15 amMissoula Johnson-Bell Field

9h 10m

1 stop

SJU6:25 pmSan Juan Luis Munoz Marin Intl

Nov 12

SJU2:21 pmSan Juan Luis Munoz Marin Intl

10h 26m

1 stop

MSO9:47 pmMissoula Johnson-Bell Field

$698

United Airlines

Nov 9

MSO2:37 pmMissoula Johnson-Bell Field

22h 03m

2 stops

SJU3:40 pmSan Juan Luis Munoz Marin Intl

Nov 12

SJU8:25 amSan Juan Luis Munoz Marin Intl

16h 22m

2 stops

MSO9:47 pmMissoula Johnson-Bell Field

$767

American Airlines flights from Missoula to San Juan Luis Munoz Marin Intl Airport

Our best American Airlines deals on Missoula to San Juan Luis Munoz Marin Intl Airport flight tickets

American Airlines

Nov 15

MSO6:50 amMissoula Johnson-Bell Field

14h 26m

1 stop

SJU12:16 amSan Juan Luis Munoz Marin Intl

Nov 18

SJU9:45 amSan Juan Luis Munoz Marin Intl

13h 30m

2 stops

MSO8:15 pmMissoula Johnson-Bell Field

$608

American Airlines

Dec 10

MSO1:06 pmMissoula Johnson-Bell Field

18h 38m

2 stops

SJU10:44 amSan Juan Luis Munoz Marin Intl

Dec 13

SJU6:38 pmSan Juan Luis Munoz Marin Intl

20h 58m

2 stops

MSO12:36 pmMissoula Johnson-Bell Field

$645

American Airlines

Jan 16

MSO7:04 amMissoula Johnson-Bell Field

13h 55m

1 stop

SJU11:59 pmSan Juan Luis Munoz Marin Intl

Jan 26

SJU6:28 amSan Juan Luis Munoz Marin Intl

16h 59m

1 stop

MSO8:27 pmMissoula Johnson-Bell Field

$685

momondo 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.

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Route

Depart

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Price

Cheapest round-trip

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Sat 1/16

6:15 am-12:36 am

2 stops15h 21m

San Juan Luis Munoz Marin Intl

Tue 1/26

8:25 am-9:26 pm

2 stops16h 01m

$558

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Thu 12/10

6:50 am-9:42 am

2 stops23h 52m

San Juan Luis Munoz Marin Intl

Sun 12/13

6:38 pm-12:36 pm

2 stops20h 58m

$608

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Sun 11/15

1:06 pm-1:03 pm

2 stops20h 57m

San Juan Luis Munoz Marin Intl

Wed 11/18

3:17 pm-12:48 pm

2 stops24h 31m

$608

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Sun 11/15

6:50 am-12:16 am

1 stop14h 26m

San Juan Luis Munoz Marin Intl

Wed 11/18

9:45 am-8:15 pm

2 stops13h 30m

$608

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Wed 2/10

8:00 am-11:50 pm

2 stops12h 50m

San Juan Luis Munoz Marin Intl

Thu 2/18

6:15 am-8:12 pm

2 stops16h 57m

$620

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Sat 1/16

1:45 pm-2:17 pm

2 stops21h 32m

San Juan Luis Munoz Marin Intl

Tue 1/26

6:28 am-8:27 pm

1 stop16h 59m

$645

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Thu 12/10

1:06 pm-10:44 am

2 stops18h 38m

San Juan Luis Munoz Marin Intl

Sun 12/13

6:38 pm-12:36 pm

2 stops20h 58m

$645

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Sat 1/16

7:04 am-11:59 pm

1 stop13h 55m

San Juan Luis Munoz Marin Intl

Tue 1/26

6:28 am-8:27 pm

1 stop16h 59m

$685

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Sun 11/15

6:50 am-12:16 am

1 stop14h 26m

San Juan Luis Munoz Marin Intl

Wed 11/18

6:28 am-8:15 pm

1 stop16h 47m

$695

Quickest round-trip

MissoulaSan Juan

MSO Missoula Johnson-Bell Field - SJU San Juan Luis Munoz Marin Intl

MSOSJU

Missoula Johnson-Bell Field

Mon 11/9

6:15 am-6:25 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Thu 11/12

2:21 pm-9:47 pm

1 stop10h 26m

$698

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Missoula to San Juan Luis Munoz Marin Intl Airport

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

Prices

Airlines

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

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of August, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $0.

Can stopping save me money on Missoula to San Juan Luis Munoz Marin Intl Airport flights?

You could potentially save up to 9% on your flight if you consider stops on a Missoula to San Juan Luis Munoz Marin Intl Airport flight.

When to book flights from Missoula to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Missoula to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Missoula to San Juan Luis Munoz Marin Intl Airport (MSO to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missoula to San Juan Luis Munoz Marin Intl Airport

Best Price Found	$304
Fastest flight time	11h 45m
Direct flights	None

The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Missoula in the past 72 hours is $304. The best round-trip flight deal from Missoula to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $558.

The fastest flight from Missoula to San Juan Luis Munoz Marin Intl Airport takes 11h 45m

There are no direct flights from Missoula to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Missoula to San Juan Luis Munoz Marin Intl Airport.

Search flight deals

Frequently asked questions about flying from Missoula to San Juan Luis Munoz Marin Intl Airport

How far is Missoula Johnson-Bell Field to San Juan Luis Munoz Marin Intl by plane?
Missoula Johnson-Bell Field and San Juan Luis Munoz Marin Intl are 3336.8 mi apart from one another. By plane, this route typically takes 11h 45m.
When did momondo last update prices for flights from Missoula Johnson-Bell Field Airport to San Juan Luis Munoz Marin Intl Airport?
Prices for flights from Missoula Johnson-Bell Field Airport to San Juan Luis Munoz Marin Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Missoula Johnson-Bell Field Airport to San Juan Luis Munoz Marin Intl Airport?
As of September 2026, there is 1 operator available to choose from for flights from Missoula Johnson-Bell Field Airport to San Juan Luis Munoz Marin Intl Airport.
How old do you have to be to fly from Missoula Johnson-Bell Field Airport to San Juan Luis Munoz Marin Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missoula Johnson-Bell Field Airport to San Juan Luis Munoz Marin Intl Airport.
What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?
The necessary travel and health documents for your San Juan Luis Munoz Marin Intl Airport 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.
What is the most popular airline from Missoula to San Juan Luis Munoz Marin Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Missoula to San Juan Luis Munoz Marin Intl Airport is United Airlines, representing 100% of all bookings.

Best airlines flying from Missoula to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Missoula to San Juan Luis Munoz Marin Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $495	Free Cancellation	Rating 7.4 10,208 reviews		Search United Airlines flights

Carolina

Fajardo

Dorado

Luquillo

Rio Grande

Humacao

Caguas

Bayamón

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Why should I use momondo to find a flight deal from Missoula to San Juan?

Finding the right flight to San Juan from Missoula is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Juan quick and easy, saving you time and money.

Can I find flights from Missoula to San Juan with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Missoula to San Juan flights to just show those with flexible booking policies.

How can momondo help me find flights from Missoula to San Juan?

Once you have performed a search for Missoula to San Juan flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Missoula to San Juan right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Juan from Missoula. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your San Juan Luis Munoz Marin Intl Airport trip

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Missoula flight routes

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Flights from Missoula Johnson-Bell Field to Denver Intl

Flights from Missoula Johnson-Bell Field to Salt Lake City

Cheap flights from Missoula to San Juan from $304

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 San Juan departing on 12/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Missoula to San Juan Luis Munoz Marin Intl Airport

Our best United Airlines deals on Missoula to San Juan Luis Munoz Marin Intl Airport flight tickets

American Airlines flights from Missoula to San Juan Luis Munoz Marin Intl Airport

Our best American Airlines deals on Missoula to San Juan Luis Munoz Marin Intl Airport flight tickets

momondo 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.

See travel insights to San Juan from

How to get the cheapest flight ticket from Missoula to San Juan Luis Munoz Marin Intl Airport

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

Can stopping save me money on Missoula to San Juan Luis Munoz Marin Intl Airport flights?

What is the cheapest airline that flies from Missoula Johnson-Bell Field to San Juan Luis Munoz Marin Intl?

When to book flights from Missoula to San Juan Luis Munoz Marin Intl Airport

Cheap Missoula to San Juan Luis Munoz Marin Intl Airport (MSO to SJU) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Missoula to San Juan Luis Munoz Marin Intl Airport

Best airlines flying from Missoula to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Missoula to San Juan Luis Munoz Marin Intl Airport with momondo

Traveling to a place near San Juan?

Why use momondo?

An easier way to manage your San Juan Luis Munoz Marin Intl Airport 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to San Juan

Missoula flight routes

According to popular flight searches on momondo this year

San Juan Luis Munoz Marin Intl Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to San Juan

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in San Juan. Availability may vary depending on flight origin and airline.

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