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Cheap flights from Missoula to San Juan from $626

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Missoula to San Juan departing on 12/2. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Missoula to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:32 pm - 1:41 pm
MSO
-
SJU
17h 09m
2 stops
United Airlines Logo
2:05 am - 4:10 pm
SJU
-
MSO
17h 05m
2 stops
$626United Airlines
Wed, Dec 2 - Fri, Dec 11
United Airlines Logo
5:32 pm - 11:50 am
MSO
-
SJU
16h 18m
2 stops
United Airlines Logo
7:45 am - 9:26 pm
SJU
-
MSO
16h 41m
2 stops
$676United Airlines
Sat, Oct 31 - Wed, Nov 4
United Airlines Logo
6:15 am - 6:25 pm
MSO
-
SJU
9h 10m
1 stop
United Airlines Logo
2:05 am - 1:27 pm
SJU
-
MSO
14h 22m
2 stops
$698United Airlines
Wed, Dec 2 - Fri, Dec 11
American Airlines Logo
7:00 am - 5:19 am
MSO
-
SJU
19h 19m
1 stop
American Airlines Logo
7:00 am - 8:33 pm
SJU
-
MSO
16h 33m
1 stop
$716American Airlines
Thu, Dec 10 - Sun, Dec 13
United Airlines Logo
6:15 am - 5:25 pm
MSO
-
SJU
9h 10m
1 stop
United Airlines Logo
2:25 pm - 9:26 pm
SJU
-
MSO
10h 01m
1 stop
$721United Airlines
Sat, Oct 31 - Wed, Nov 4
American Airlines Logo
7:00 am - 5:19 am
MSO
-
SJU
19h 19m
1 stop
American Airlines Logo
7:00 am - 8:33 pm
SJU
-
MSO
16h 33m
1 stop
$726American Airlines
Thu, Dec 10 - Sun, Dec 13
American Airlines Logo
7:00 am - 5:19 am
MSO
-
SJU
19h 19m
1 stop
American Airlines Logo
7:00 am - 8:33 pm
SJU
-
MSO
16h 33m
1 stop
$731American Airlines
Wed, Dec 2 - Sat, Dec 12
United Airlines Logo
6:15 am - 9:22 pm
MSO
-
SJU
13h 07m
2 stops
United Airlines Logo
1:25 pm - 9:26 pm
SJU
-
MSO
10h 01m
1 stop
$742United Airlines
Tue, Oct 27 - Fri, Oct 30
American Airlines Logo
7:00 am - 5:19 am
MSO
-
SJU
19h 19m
1 stop
American Airlines Logo
6:42 pm - 8:33 pm
SJU
-
MSO
28h 51m
2 stops
$756American Airlines
Thu, Dec 10 - Sun, Dec 13
American Airlines Logo
7:00 am - 5:19 am
MSO
-
SJU
19h 19m
1 stop
American Airlines Logo
6:42 pm - 8:33 pm
SJU
-
MSO
28h 51m
2 stops
$766American Airlines
Thu, Dec 10 - Sun, Dec 13

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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
Dec 10
MSO7:00 amMissoula Johnson-Bell Field
19h 19m
1 stop
SJU5:19 amSan Juan Luis Munoz Marin Intl
Dec 13
SJU7:00 amSan Juan Luis Munoz Marin Intl
16h 33m
1 stop
MSO8:33 pmMissoula Johnson-Bell Field
$716
American Airlines
Dec 10
MSO7:00 amMissoula Johnson-Bell Field
19h 19m
1 stop
SJU5:19 amSan Juan Luis Munoz Marin Intl
Dec 13
SJU7:00 amSan Juan Luis Munoz Marin Intl
16h 33m
1 stop
MSO8:33 pmMissoula Johnson-Bell Field
$726
American Airlines
Dec 2
MSO7:00 amMissoula Johnson-Bell Field
19h 19m
1 stop
SJU5:19 amSan Juan Luis Munoz Marin Intl
Dec 12
SJU7:00 amSan Juan Luis Munoz Marin Intl
16h 33m
1 stop
MSO8:33 pmMissoula Johnson-Bell Field
$731

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
Dec 2
MSO5:32 pmMissoula Johnson-Bell Field
17h 09m
2 stops
SJU1:41 pmSan Juan Luis Munoz Marin Intl
Dec 11
SJU2:05 amSan Juan Luis Munoz Marin Intl
17h 05m
2 stops
MSO4:10 pmMissoula Johnson-Bell Field
$626
United Airlines
Oct 31
MSO5:32 pmMissoula Johnson-Bell Field
16h 18m
2 stops
SJU11:50 amSan Juan Luis Munoz Marin Intl
Nov 4
SJU7:45 amSan Juan Luis Munoz Marin Intl
16h 41m
2 stops
MSO9:26 pmMissoula Johnson-Bell Field
$676
United Airlines
Dec 2
MSO6:15 amMissoula Johnson-Bell Field
9h 10m
1 stop
SJU6:25 pmSan Juan Luis Munoz Marin Intl
Dec 11
SJU2:05 amSan Juan Luis Munoz Marin Intl
14h 22m
2 stops
MSO1:27 pmMissoula Johnson-Bell Field
$698

momondo Fare Finder

 
Customize your flight search to find flights from Missoula to San Juan Luis Munoz Marin Intl Airport 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 June 15, 2026.
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

Cheapest round-trip

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 12/2

5:32 pm-1:41 pm

2 stops17h 09m

San Juan Luis Munoz Marin Intl

Fri 12/11

2:05 am-4:10 pm

2 stops17h 05m

$626

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Sat 10/31

5:32 pm-11:50 am

2 stops16h 18m

San Juan Luis Munoz Marin Intl

Wed 11/4

7:45 am-9:26 pm

2 stops16h 41m

$676

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 12/2

6:15 am-6:25 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Fri 12/11

2:05 am-1:27 pm

2 stops14h 22m

$698

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 12/10

7:00 am-5:19 am

1 stop19h 19m

San Juan Luis Munoz Marin Intl

Sun 12/13

7:00 am-8:33 pm

1 stop16h 33m

$716
Quickest round-trip

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Sat 10/31

6:15 am-5:25 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Wed 11/4

2:25 pm-9:26 pm

1 stop10h 01m

$721

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 12/10

7:00 am-5:19 am

1 stop19h 19m

San Juan Luis Munoz Marin Intl

Sun 12/13

7:00 am-8:33 pm

1 stop16h 33m

$726

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 12/2

7:00 am-5:19 am

1 stop19h 19m

San Juan Luis Munoz Marin Intl

Sat 12/12

7:00 am-8:33 pm

1 stop16h 33m

$731

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 10/27

6:15 am-9:22 pm

2 stops13h 07m

San Juan Luis Munoz Marin Intl

Fri 10/30

1:25 pm-9:26 pm

1 stop10h 01m

$742

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 12/10

7:00 am-5:19 am

1 stop19h 19m

San Juan Luis Munoz Marin Intl

Sun 12/13

6:42 pm-8:33 pm

2 stops28h 51m

$756

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 12/10

7:00 am-5:19 am

1 stop19h 19m

San Juan Luis Munoz Marin Intl

Sun 12/13

6:42 pm-8:33 pm

2 stops28h 51m

$766

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Fastest flight time

9h 23m

Direct flights

None
The fastest flight from Missoula to San Juan Luis Munoz Marin Intl Airport takes 9h 23m
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 9h 23m.

  • 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?

  • 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?

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 AirlinesPriceFrom $300Free CancellationRating
7.4
9,831 reviews
Search United Airlines flights

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

  • How do I get Price Alerts for flights from Missoula to San Juan Luis Munoz Marin Intl Airport?

    Confirm your travel details to search for the latest offers for flights from Missoula to San Juan Luis Munoz Marin Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Missoula to San Juan Luis Munoz Marin Intl Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Humacao
Rio Grande
Caguas
Bayamón

Why use momondo?

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.

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