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Cheap flights from Missoula to San Juan from $734

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 7/1. 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
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
6:15 am - 5:38 pm
MSO
-
SJU
9h 23m
1 stop
United Airlines Logo
1:40 pm - 9:39 pm
SJU
-
MSO
9h 59m
1 stop
$734United Airlines
Wed, Jul 1 - Tue, Jul 7
United Airlines Logo
6:15 am - 5:38 pm
MSO
-
SJU
9h 23m
1 stop
United Airlines Logo
1:40 pm - 9:39 pm
SJU
-
MSO
9h 59m
1 stop
$744United Airlines
Wed, Jul 1 - Tue, Jul 7
American Airlines Logo
2:15 pm - 4:25 am
MSO
-
SJU
12h 10m
1 stop
American Airlines Logo
10:35 am - 10:40 pm
SJU
-
MSO
14h 05m
2 stops
$766American Airlines
Wed, Jul 1 - Tue, Jul 7
American Airlines Logo
2:15 pm - 4:25 am
MSO
-
SJU
12h 10m
1 stop
American Airlines Logo
10:35 am - 10:40 pm
SJU
-
MSO
14h 05m
2 stops
$796American Airlines
Wed, Jul 1 - Tue, Jul 7
United Airlines Logo
6:15 am - 5:38 pm
MSO
-
SJU
9h 23m
1 stop
United Airlines Logo
1:40 pm - 9:39 pm
SJU
-
MSO
9h 59m
1 stop
$804United Airlines
Wed, Jul 1 - Mon, Jul 20
American Airlines Logo
2:15 pm - 9:45 am
MSO
-
SJU
17h 30m
2 stops
American Airlines Logo
10:35 am - 10:40 pm
SJU
-
MSO
14h 05m
2 stops
$826American Airlines
Wed, Jul 1 - Tue, Jul 7
United Airlines Logo
6:15 am - 5:38 pm
MSO
-
SJU
9h 23m
1 stop
United Airlines Logo
7:20 am - 11:56 pm
SJU
-
MSO
18h 36m
2 stops
$849United Airlines
Wed, Jul 1 - Mon, Jul 20
American Airlines Logo
2:15 pm - 11:02 am
MSO
-
SJU
18h 47m
2 stops
American Airlines Logo
6:01 am - 10:38 pm
SJU
-
MSO
18h 37m
2 stops
$856American Airlines
Thu, Jun 18 - Wed, Jun 24
United Airlines Logo
7:15 am - 11:57 am
MSO
-
SJU
26h 42m
2 stops
United Airlines Logo
1:00 am - 11:34 am
SJU
-
MSO
12h 34m
2 stops
$874United Airlines
Mon, Sep 14 - Wed, Sep 16
American Airlines Logo
2:15 pm - 11:02 am
MSO
-
SJU
18h 47m
2 stops
American Airlines Logo
6:01 am - 10:38 pm
SJU
-
MSO
18h 37m
2 stops
$886American Airlines
Thu, Jun 18 - Wed, Jun 24

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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
Jul 1
MSO6:15 amMissoula Johnson-Bell Field
9h 23m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
Jul 7
SJU1:40 pmSan Juan Luis Munoz Marin Intl
9h 59m
1 stop
MSO9:39 pmMissoula Johnson-Bell Field
$734
United Airlines
Jul 1
MSO6:15 amMissoula Johnson-Bell Field
9h 23m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
Jul 7
SJU1:40 pmSan Juan Luis Munoz Marin Intl
9h 59m
1 stop
MSO9:39 pmMissoula Johnson-Bell Field
$744
United Airlines
Jul 1
MSO6:15 amMissoula Johnson-Bell Field
9h 23m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
Jul 20
SJU1:40 pmSan Juan Luis Munoz Marin Intl
9h 59m
1 stop
MSO9:39 pmMissoula Johnson-Bell Field
$804

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
May 8
MSO6:45 amMissoula Johnson-Bell Field
19h 47m
1 stop
SJU4:32 amSan Juan Luis Munoz Marin Intl
May 13
SJU6:45 amSan Juan Luis Munoz Marin Intl
17h 00m
1 stop
MSO9:45 pmMissoula Johnson-Bell Field
$756
American Airlines
Jul 1
MSO2:15 pmMissoula Johnson-Bell Field
12h 10m
1 stop
SJU4:25 amSan Juan Luis Munoz Marin Intl
Jul 7
SJU10:35 amSan Juan Luis Munoz Marin Intl
14h 05m
2 stops
MSO10:40 pmMissoula Johnson-Bell Field
$766
American Airlines
Jul 1
MSO2:15 pmMissoula Johnson-Bell Field
12h 10m
1 stop
SJU4:25 amSan Juan Luis Munoz Marin Intl
Jul 7
SJU10:35 amSan Juan Luis Munoz Marin Intl
14h 05m
2 stops
MSO10:40 pmMissoula Johnson-Bell Field
$796

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 April 29, 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
Quickest round-trip

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 7/1

6:15 am-5:38 pm

1 stop9h 23m

San Juan Luis Munoz Marin Intl

Tue 7/7

1:40 pm-9:39 pm

1 stop9h 59m

$734

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 7/1

6:15 am-5:38 pm

1 stop9h 23m

San Juan Luis Munoz Marin Intl

Tue 7/7

1:40 pm-9:39 pm

1 stop9h 59m

$744

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 7/1

2:15 pm-4:25 am

1 stop12h 10m

San Juan Luis Munoz Marin Intl

Tue 7/7

10:35 am-10:40 pm

2 stops14h 05m

$766

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 7/1

2:15 pm-4:25 am

1 stop12h 10m

San Juan Luis Munoz Marin Intl

Tue 7/7

10:35 am-10:40 pm

2 stops14h 05m

$796

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 7/1

6:15 am-5:38 pm

1 stop9h 23m

San Juan Luis Munoz Marin Intl

Mon 7/20

1:40 pm-9:39 pm

1 stop9h 59m

$804

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 7/1

2:15 pm-9:45 am

2 stops17h 30m

San Juan Luis Munoz Marin Intl

Tue 7/7

10:35 am-10:40 pm

2 stops14h 05m

$826

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Wed 7/1

6:15 am-5:38 pm

1 stop9h 23m

San Juan Luis Munoz Marin Intl

Mon 7/20

7:20 am-11:56 pm

2 stops18h 36m

$849

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 6/18

2:15 pm-11:02 am

2 stops18h 47m

San Juan Luis Munoz Marin Intl

Wed 6/24

6:01 am-10:38 pm

2 stops18h 37m

$856

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Mon 9/14

7:15 am-11:57 am

2 stops26h 42m

San Juan Luis Munoz Marin Intl

Wed 9/16

1:00 am-11:34 am

2 stops12h 34m

$874

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 6/18

2:15 pm-11:02 am

2 stops18h 47m

San Juan Luis Munoz Marin Intl

Wed 6/24

6:01 am-10:38 pm

2 stops18h 37m

$886

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 typical price of a round-trip flight between Missoula and San Juan Luis Munoz Marin Intl Airport?

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 January 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 $442Free CancellationRating
7.4
9,680 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
Caguas
Humacao
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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