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Cheap flights from Missoula to San Juan from $381

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 2/20. 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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0 bags

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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
6:15 am - 5:38 pm
MSO
-
SJU
9h 23m
1 stop
United Airlines Logo
7:20 am - 9:30 pm
SJU
-
MSO
16h 10m
2 stops
$534United Airlines
Fri, May 1 - Tue, May 5
American Airlines Logo
1:20 pm - 5:24 am
MSO
-
SJU
13h 04m
1 stop
American Airlines Logo
6:00 am - 9:56 pm
SJU
-
MSO
17h 56m
2 stops
$552American Airlines
Thu, Mar 5 - Thu, Mar 12
American Airlines Logo
1:20 pm - 10:00 am
MSO
-
SJU
17h 40m
2 stops
American Airlines Logo
7:00 am - 9:56 pm
SJU
-
MSO
17h 56m
2 stops
$591American Airlines
Tue, Feb 24 - Sat, Feb 28
American Airlines Logo
1:21 pm - 10:48 am
MSO
-
SJU
18h 27m
2 stops
American Airlines Logo
6:00 am - 8:45 pm
SJU
-
MSO
17h 45m
2 stops
$629American Airlines
Sat, Feb 7 - Tue, Feb 10
American Airlines Logo
6:15 am - 11:31 pm
MSO
-
SJU
14h 16m
1 stop
American Airlines Logo
7:01 pm - 12:50 pm
SJU
-
MSO
20h 49m
2 stops
$664American Airlines
Mon, Feb 16 - Mon, Feb 23
American Airlines Logo
1:20 pm - 4:24 am
MSO
-
SJU
13h 04m
1 stop
American Airlines Logo
6:33 am - 9:56 pm
SJU
-
MSO
17h 23m
1 stop
$713American Airlines
Fri, Mar 27 - Mon, Apr 6
American Airlines Logo
1:20 pm - 4:24 am
MSO
-
SJU
13h 04m
1 stop
American Airlines Logo
11:43 am - 9:45 pm
SJU
-
MSO
12h 02m
2 stops
$759American Airlines
Thu, Apr 2 - Thu, Apr 9
American Airlines Logo
6:15 am - 10:31 pm
MSO
-
SJU
14h 16m
1 stop
American Airlines Logo
6:33 am - 9:56 pm
SJU
-
MSO
17h 23m
1 stop
$761American Airlines
Fri, Mar 27 - Mon, Apr 6
United Airlines Logo
6:00 am - 6:25 pm
MSO
-
SJU
9h 25m
1 stop
United Airlines Logo
2:25 pm - 9:51 pm
SJU
-
MSO
10h 26m
1 stop
$764United Airlines
Sat, Feb 7 - Tue, Feb 10
United Airlines Logo
6:15 am - 9:26 pm
MSO
-
SJU
36h 11m
3 stops
United Airlines Logo
8:05 am - 9:57 pm
SJU
-
MSO
16h 52m
2 stops
$771United Airlines
Mon, Feb 16 - Mon, Feb 23

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
Mar 5
MSO1:20 pmMissoula Johnson-Bell Field
13h 04m
1 stop
SJU5:24 amSan Juan Luis Munoz Marin Intl
Mar 12
SJU6:00 amSan Juan Luis Munoz Marin Intl
17h 56m
2 stops
MSO9:56 pmMissoula Johnson-Bell Field
$552
American Airlines
Feb 24
MSO1:20 pmMissoula Johnson-Bell Field
17h 40m
2 stops
SJU10:00 amSan Juan Luis Munoz Marin Intl
Feb 28
SJU7:00 amSan Juan Luis Munoz Marin Intl
17h 56m
2 stops
MSO9:56 pmMissoula Johnson-Bell Field
$591
American Airlines
Feb 7
MSO1:21 pmMissoula Johnson-Bell Field
18h 27m
2 stops
SJU10:48 amSan Juan Luis Munoz Marin Intl
Feb 10
SJU6:00 amSan Juan Luis Munoz Marin Intl
17h 45m
2 stops
MSO8:45 pmMissoula Johnson-Bell Field
$629

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
May 1
MSO6:15 amMissoula Johnson-Bell Field
9h 23m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
May 5
SJU1:40 pmSan Juan Luis Munoz Marin Intl
9h 50m
1 stop
MSO9:30 pmMissoula Johnson-Bell Field
$534
United Airlines
Feb 7
MSO6:00 amMissoula Johnson-Bell Field
9h 25m
1 stop
SJU6:25 pmSan Juan Luis Munoz Marin Intl
Feb 10
SJU2:25 pmSan Juan Luis Munoz Marin Intl
10h 26m
1 stop
MSO9:51 pmMissoula Johnson-Bell Field
$764
United Airlines
Feb 16
MSO6:15 amMissoula Johnson-Bell Field
36h 11m
3 stops
SJU9:26 pmSan Juan Luis Munoz Marin Intl
Feb 23
SJU8:05 amSan Juan Luis Munoz Marin Intl
16h 52m
2 stops
MSO9:57 pmMissoula Johnson-Bell Field
$771

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 January 21, 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

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Fri 5/1

6:15 am-5:38 pm

1 stop9h 23m

San Juan Luis Munoz Marin Intl

Tue 5/5

7:20 am-9:30 pm

2 stops16h 10m

$534

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 3/5

1:20 pm-5:24 am

1 stop13h 04m

San Juan Luis Munoz Marin Intl

Thu 3/12

6:00 am-9:56 pm

2 stops17h 56m

$552

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 2/24

1:20 pm-10:00 am

2 stops17h 40m

San Juan Luis Munoz Marin Intl

Sat 2/28

7:00 am-9:56 pm

2 stops17h 56m

$591

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Sat 2/7

1:21 pm-10:48 am

2 stops18h 27m

San Juan Luis Munoz Marin Intl

Tue 2/10

6:00 am-8:45 pm

2 stops17h 45m

$629

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Mon 2/16

6:15 am-11:31 pm

1 stop14h 16m

San Juan Luis Munoz Marin Intl

Mon 2/23

7:01 pm-12:50 pm

2 stops20h 49m

$664

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Fri 3/27

1:20 pm-4:24 am

1 stop13h 04m

San Juan Luis Munoz Marin Intl

Mon 4/6

6:33 am-9:56 pm

1 stop17h 23m

$713

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 4/2

1:20 pm-4:24 am

1 stop13h 04m

San Juan Luis Munoz Marin Intl

Thu 4/9

11:43 am-9:45 pm

2 stops12h 02m

$759

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Fri 3/27

6:15 am-10:31 pm

1 stop14h 16m

San Juan Luis Munoz Marin Intl

Mon 4/6

6:33 am-9:56 pm

1 stop17h 23m

$761

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Sat 2/7

6:00 am-6:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Tue 2/10

2:25 pm-9:51 pm

1 stop10h 26m

$764

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Mon 2/16

6:15 am-9:26 pm

3 stops36h 11m

San Juan Luis Munoz Marin Intl

Mon 2/23

8:05 am-9:57 pm

2 stops16h 52m

$771

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Missoula and San Juan Luis Munoz Marin Intl Airport?

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

  • 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 $442Free CancellationRating
7.4
9,191 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
Humacao
Caguas
Rio Grande
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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