Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Missoula to San Juan from $202

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 1/1. 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.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Missoula to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:05 pm - 4:49 pmMSO-SJU
19h 44m2 stops
Delta Logo
7:00 am - 8:14 pmSJU-MSO
16h 14m2 stops
$513Delta
Find Deal
Thu, Jan 8 - Wed, Jan 21
Delta Logo
6:05 pm - 4:49 pmMSO-SJU
19h 44m2 stops
Delta Logo
7:30 am - 8:14 pmSJU-MSO
15h 44m2 stops
$527Delta
Find Deal
Thu, Jan 8 - Wed, Jan 21
American Airlines Logo
1:21 pm - 1:08 pmMSO-SJU
20h 47m2 stops
American Airlines Logo
7:07 am - 8:45 pmSJU-MSO
16h 38m1 stop
$531American Airlines
Find Deal
Thu, Jan 8 - Wed, Jan 21
American Airlines Logo
7:00 am - 10:26 pmMSO-SJU
12h 26m1 stop
American Airlines Logo
7:07 am - 8:45 pmSJU-MSO
16h 38m1 stop
$570American Airlines
Find Deal
Thu, Jan 8 - Wed, Jan 21
United Airlines Logo
6:00 am - 9:00 pmMSO-SJU
12h 00m2 stops
United Airlines Logo
2:25 pm - 9:57 pmSJU-MSO
10h 32m1 stop
$585United Airlines
Find Deal
Thu, Jan 29 - Thu, Feb 12
United Airlines Logo
6:15 am - 10:22 pmMSO-SJU
13h 07m2 stops
United Airlines Logo
8:35 am - 9:57 pmSJU-MSO
16h 22m2 stops
$616United Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
6:15 am - 10:22 pmMSO-SJU
13h 07m2 stops
United Airlines Logo
2:25 pm - 9:57 pmSJU-MSO
10h 32m1 stop
$621United Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
6:00 am - 10:22 pmMSO-SJU
13h 22m2 stops
United Airlines Logo
2:05 am - 1:35 pmSJU-MSO
14h 30m2 stops
$725United Airlines
Find Deal
Thu, Jan 8 - Tue, Jan 20
Alaska Airlines Logo
6:23 am - 10:26 pmMSO-SJU
13h 03m2 stops
Alaska Airlines Logo
7:07 am - 11:55 pmSJU-MSO
19h 48m3 stops
$899Alaska Airlines
Find Deal
Thu, Jan 8 - Wed, Jan 21
Alaska Airlines Logo
2:03 pm - 10:26 pmMSO-SJU
29h 23m3 stops
Alaska Airlines Logo
7:30 am - 11:57 pmSJU-MSO
19h 27m2 stops
$1,256Alaska Airlines
Find Deal
Thu, Jan 29 - Thu, Feb 12

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

Our best Alaska Airlines deals on Missoula to San Juan Luis Munoz Marin Intl Airport flight tickets
Alaska Airlines
Jan 8
MSO6:23 amMissoula Johnson-Bell Field
13h 03m
2 stops
SJU10:26 pmSan Juan Luis Munoz Marin Intl
Jan 21
SJU7:07 amSan Juan Luis Munoz Marin Intl
19h 48m
3 stops
MSO11:55 pmMissoula Johnson-Bell Field
$899
Find similar
Alaska Airlines
Jan 29
MSO2:03 pmMissoula Johnson-Bell Field
29h 23m
3 stops
SJU10:26 pmSan Juan Luis Munoz Marin Intl
Feb 12
SJU7:30 amSan Juan Luis Munoz Marin Intl
19h 27m
2 stops
MSO11:57 pmMissoula Johnson-Bell Field
$1,256
Find similar
Alaska Airlines
Jan 8
MSO1:03 pmMissoula Johnson-Bell Field
29h 36m
2 stops
SJU9:39 pmSan Juan Luis Munoz Marin Intl
Jan 21
SJU7:07 amSan Juan Luis Munoz Marin Intl
19h 48m
3 stops
MSO11:55 pmMissoula Johnson-Bell Field
$1,286
Find similar

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
Jan 8
MSO1:21 pmMissoula Johnson-Bell Field
20h 47m
2 stops
SJU1:08 pmSan Juan Luis Munoz Marin Intl
Jan 21
SJU7:07 amSan Juan Luis Munoz Marin Intl
16h 38m
1 stop
MSO8:45 pmMissoula Johnson-Bell Field
$531
Find similar
American Airlines
Jan 8
MSO7:00 amMissoula Johnson-Bell Field
12h 26m
1 stop
SJU10:26 pmSan Juan Luis Munoz Marin Intl
Jan 21
SJU7:07 amSan Juan Luis Munoz Marin Intl
16h 38m
1 stop
MSO8:45 pmMissoula Johnson-Bell Field
$570
Find similar
American Airlines
Nov 20
MSO7:00 amMissoula Johnson-Bell Field
24h 10m
2 stops
SJU10:10 amSan Juan Luis Munoz Marin Intl
Nov 24
SJU6:00 amSan Juan Luis Munoz Marin Intl
17h 34m
2 stops
MSO8:34 pmMissoula Johnson-Bell Field
$785
Find similar

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 November 6, 2025.
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

Thu 1/8

6:05 pm-4:49 pm

2 stops19h 44m

San Juan Luis Munoz Marin Intl

Wed 1/21

7:00 am-8:14 pm

2 stops16h 14m

$513

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/8

6:05 pm-4:49 pm

2 stops19h 44m

San Juan Luis Munoz Marin Intl

Wed 1/21

7:30 am-8:14 pm

2 stops15h 44m

$527

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/8

1:21 pm-1:08 pm

2 stops20h 47m

San Juan Luis Munoz Marin Intl

Wed 1/21

7:07 am-8:45 pm

1 stop16h 38m

$531

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/8

7:00 am-10:26 pm

1 stop12h 26m

San Juan Luis Munoz Marin Intl

Wed 1/21

7:07 am-8:45 pm

1 stop16h 38m

$570

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/29

6:00 am-9:00 pm

2 stops12h 00m

San Juan Luis Munoz Marin Intl

Thu 2/12

2:25 pm-9:57 pm

1 stop10h 32m

$585

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 3/3

6:15 am-10:22 pm

2 stops13h 07m

San Juan Luis Munoz Marin Intl

Wed 3/4

8:35 am-9:57 pm

2 stops16h 22m

$616

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 3/3

6:15 am-10:22 pm

2 stops13h 07m

San Juan Luis Munoz Marin Intl

Wed 3/4

2:25 pm-9:57 pm

1 stop10h 32m

$621

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/8

6:00 am-10:22 pm

2 stops13h 22m

San Juan Luis Munoz Marin Intl

Tue 1/20

2:05 am-1:35 pm

2 stops14h 30m

$725

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/8

6:23 am-10:26 pm

2 stops13h 03m

San Juan Luis Munoz Marin Intl

Wed 1/21

7:07 am-11:55 pm

3 stops19h 48m

$899

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Thu 1/29

2:03 pm-10:26 pm

3 stops29h 23m

San Juan Luis Munoz Marin Intl

Thu 2/12

7:30 am-11:57 pm

2 stops19h 27m

$1,256

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Missoula is on a Saturday. momondo users have found tickets for Saturday departures for as low as $661. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Missoula because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $897.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is at noon when flights can be purchased for as low as $651. Flights in the afternoon are often more expensive with an average ticket price of $769.

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

Direct flights

None
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 05m.

  • 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 $531Free CancellationRating
7.4
9,007 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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 12/6
Sat 12/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to San Juan