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Cheap flights from Missoula to San Juan from $538

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 1/12. 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 - 11:50 am
MSO
-
SJU
15h 18m
2 stops
United Airlines Logo
2:25 pm - 9:26 pm
SJU
-
MSO
10h 01m
1 stop
$538United Airlines
Tue, Jan 12 - Wed, Jan 20
United Airlines Logo
5:32 pm - 11:50 am
MSO
-
SJU
15h 18m
2 stops
United Airlines Logo
8:10 am - 9:26 pm
SJU
-
MSO
16h 16m
2 stops
$538United Airlines
Fri, Jan 22 - Sat, Jan 30
Delta Logo
8:00 am - 11:50 pm
MSO
-
SJU
12h 50m
2 stops
Delta Logo
3:15 pm - 12:31 am
SJU
-
MSO
12h 16m
2 stops
$538Delta
Tue, Jan 12 - Wed, Jan 20
Delta Logo
8:00 am - 11:50 pm
MSO
-
SJU
12h 50m
2 stops
Delta Logo
7:00 am - 8:12 pm
SJU
-
MSO
16h 12m
2 stops
$538Delta
Tue, Jan 12 - Wed, Jan 20
United Airlines Logo
5:32 pm - 11:50 am
MSO
-
SJU
15h 18m
2 stops
United Airlines Logo
8:10 am - 9:26 pm
SJU
-
MSO
16h 16m
2 stops
$538United Airlines
Tue, Jan 12 - Wed, Jan 20
United Airlines Logo
6:15 am - 6:25 pm
MSO
-
SJU
9h 10m
1 stop
United Airlines Logo
2:25 pm - 9:26 pm
SJU
-
MSO
10h 01m
1 stop
$568United Airlines
Tue, Jan 12 - Wed, Jan 20
American Airlines Logo
1:45 pm - 12:32 pm
MSO
-
SJU
19h 47m
2 stops
American Airlines Logo
7:12 pm - 12:35 pm
SJU
-
MSO
20h 23m
2 stops
$588American Airlines
Tue, Jan 12 - Wed, Jan 20
American Airlines Logo
1:45 pm - 10:35 am
MSO
-
SJU
17h 50m
2 stops
American Airlines Logo
6:42 pm - 12:35 pm
SJU
-
MSO
20h 53m
2 stops
$588American 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
1:21 pm - 9:47 pm
SJU
-
MSO
10h 26m
1 stop
$678United Airlines
Mon, Oct 26 - Thu, Oct 29
United Airlines Logo
6:15 am - 5:25 pm
MSO
-
SJU
9h 10m
1 stop
United Airlines Logo
7:25 am - 9:47 pm
SJU
-
MSO
16h 22m
2 stops
$678United Airlines
Mon, Oct 26 - Thu, Oct 29

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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 12
MSO6:15 amMissoula Johnson-Bell Field
9h 10m
1 stop
SJU6:25 pmSan Juan Luis Munoz Marin Intl
Jan 20
SJU2:25 pmSan Juan Luis Munoz Marin Intl
10h 01m
1 stop
MSO9:26 pmMissoula Johnson-Bell Field
$568
United Airlines
Oct 26
MSO6:15 amMissoula Johnson-Bell Field
9h 10m
1 stop
SJU5:25 pmSan Juan Luis Munoz Marin Intl
Oct 29
SJU7:25 amSan Juan Luis Munoz Marin Intl
16h 22m
2 stops
MSO9:47 pmMissoula Johnson-Bell Field
$678
United Airlines
Jan 12
MSO6:15 amMissoula Johnson-Bell Field
9h 10m
1 stop
SJU6:25 pmSan Juan Luis Munoz Marin Intl
Jan 20
SJU2:25 pmSan Juan Luis Munoz Marin Intl
10h 01m
1 stop
MSO9:26 pmMissoula Johnson-Bell Field
$687

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
MSO1:45 pmMissoula Johnson-Bell Field
17h 50m
2 stops
SJU10:35 amSan Juan Luis Munoz Marin Intl
Dec 13
SJU6:42 pmSan Juan Luis Munoz Marin Intl
20h 53m
2 stops
MSO12:35 pmMissoula Johnson-Bell Field
$588
American Airlines
Jan 12
MSO7:00 amMissoula Johnson-Bell Field
12h 22m
1 stop
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Jan 20
SJU5:55 pmSan Juan Luis Munoz Marin Intl
21h 40m
2 stops
MSO12:35 pmMissoula Johnson-Bell Field
$625
American Airlines
Nov 6
MSO1:10 pmMissoula Johnson-Bell Field
22h 09m
2 stops
SJU2:19 pmSan Juan Luis Munoz Marin Intl
Nov 14
SJU6:55 pmSan Juan Luis Munoz Marin Intl
20h 45m
2 stops
MSO12:40 pmMissoula Johnson-Bell Field
$638

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 August 1, 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

Tue 1/12

5:32 pm-11:50 am

2 stops15h 18m

San Juan Luis Munoz Marin Intl

Wed 1/20

2:25 pm-9:26 pm

1 stop10h 01m

$538

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Fri 1/22

5:32 pm-11:50 am

2 stops15h 18m

San Juan Luis Munoz Marin Intl

Sat 1/30

8:10 am-9:26 pm

2 stops16h 16m

$538

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 1/12

8:00 am-11:50 pm

2 stops12h 50m

San Juan Luis Munoz Marin Intl

Wed 1/20

3:15 pm-12:31 am

2 stops12h 16m

$538

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 1/12

8:00 am-11:50 pm

2 stops12h 50m

San Juan Luis Munoz Marin Intl

Wed 1/20

7:00 am-8:12 pm

2 stops16h 12m

$538

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 1/12

5:32 pm-11:50 am

2 stops15h 18m

San Juan Luis Munoz Marin Intl

Wed 1/20

8:10 am-9:26 pm

2 stops16h 16m

$538
Quickest round-trip

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 1/12

6:15 am-6:25 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Wed 1/20

2:25 pm-9:26 pm

1 stop10h 01m

$568

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 1/12

1:45 pm-12:32 pm

2 stops19h 47m

San Juan Luis Munoz Marin Intl

Wed 1/20

7:12 pm-12:35 pm

2 stops20h 23m

$588

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 12/10

1:45 pm-10:35 am

2 stops17h 50m

San Juan Luis Munoz Marin Intl

Sun 12/13

6:42 pm-12:35 pm

2 stops20h 53m

$588

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Mon 10/26

6:15 am-5:25 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Thu 10/29

1:21 pm-9:47 pm

1 stop10h 26m

$678

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Mon 10/26

6:15 am-5:25 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Thu 10/29

7:25 am-9:47 pm

2 stops16h 22m

$678

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to San Juan from

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

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.

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 10m

Direct flights

None
The fastest flight from Missoula to San Juan Luis Munoz Marin Intl Airport takes 9h 10m
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 10m.

  • 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
10,062 reviews
Search United Airlines flights

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
Rio Grande
Humacao
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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