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Cheap flights from Montana to San Juan from $218

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to San Juan departing on 10/2. 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 Montana to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
5:05 pm - 10:50 am
BZN
-
SJU
15h 45m
2 stops
Southwest Logo
11:35 am - 10:25 pm
SJU
-
BZN
12h 50m
2 stops
$436Southwest
Fri, Sep 18 - Thu, Sep 24
United Airlines Logo
11:40 am - 11:50 pm
BZN
-
SJU
10h 10m
1 stop
United Airlines Logo
2:00 pm - 9:04 pm
SJU
-
BZN
9h 04m
1 stop
$473United Airlines
Fri, Sep 18 - Thu, Sep 24
United Airlines Logo
6:30 am - 5:38 pm
BZN
-
SJU
9h 08m
1 stop
United Airlines Logo
1:00 am - 10:25 am
SJU
-
BZN
11h 25m
1 stop
$474United Airlines
Fri, Sep 25 - Wed, Sep 30
Southwest Logo
6:55 am - 9:05 pm
BZN
-
SJU
12h 10m
2 stops
Southwest Logo
5:00 am - 5:05 pm
SJU
-
BZN
14h 05m
2 stops
$481Southwest
Tue, Aug 18 - Sun, Aug 23
Delta Logo
6:00 am - 11:56 pm
BZN
-
SJU
15h 56m
2 stops
Delta Logo
7:00 am - 1:16 pm
SJU
-
BZN
9h 16m
1 stop
$506Delta
Fri, Oct 30 - Tue, Nov 10
Delta Logo
6:00 am - 11:56 pm
BZN
-
SJU
15h 56m
2 stops
Delta Logo
2:05 pm - 11:58 pm
SJU
-
BZN
12h 53m
2 stops
$510Delta
Fri, Oct 30 - Tue, Nov 10
Southwest Logo
8:10 am - 10:15 pm
BZN
-
SJU
11h 05m
2 stops
Southwest Logo
6:05 am - 3:25 pm
SJU
-
BZN
12h 20m
2 stops
$522Southwest
Mon, Dec 7 - Sun, Dec 13
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
$642American Airlines
Thu, Dec 10 - Sun, Dec 13
American Airlines Logo
3:26 pm - 3:40 pm
FCA
-
SJU
22h 14m
2 stops
American Airlines Logo
4:38 pm - 12:44 pm
SJU
-
FCA
22h 06m
2 stops
$642American Airlines
Mon, Sep 14 - Mon, Sep 28
Alaska Airlines Logo
4:22 pm - 3:02 pm
MSO
-
SJU
19h 40m
2 stops
Alaska Airlines Logo
6:44 am - 12:08 pm
SJU
-
MSO
32h 24m
3 stops
$1,062Alaska Airlines
Mon, Nov 9 - Sun, Nov 15

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American Airlines flights from Montana to San Juan Luis Munoz Marin Intl Airport

Our best American Airlines deals on Montana to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
Sep 14
FCA3:26 pmKalispell Glacier Park
22h 14m
2 stops
SJU3:40 pmSan Juan Luis Munoz Marin Intl
Sep 28
SJU4:38 pmSan Juan Luis Munoz Marin Intl
22h 06m
2 stops
FCA12:44 pmKalispell Glacier Park
$642
American Airlines
Sep 9
BIL1:13 pmBillings Logan Intl
19h 47m
2 stops
SJU11:00 amSan Juan Luis Munoz Marin Intl
Sep 19
SJU4:38 pmSan Juan Luis Munoz Marin Intl
21h 19m
2 stops
BIL11:57 amBillings Logan Intl
$647
American Airlines
Aug 18
BZN11:55 amBozeman Gallatin Field
19h 48m
2 stops
SJU9:43 amSan Juan Luis Munoz Marin Intl
Aug 22
SJU12:55 amSan Juan Luis Munoz Marin Intl
13h 10m
1 stop
BZN12:05 pmBozeman Gallatin Field
$648

United Airlines flights from Montana to San Juan Luis Munoz Marin Intl Airport

Our best United Airlines deals on Montana to San Juan Luis Munoz Marin Intl Airport flight tickets
United Airlines
Sep 18
BZN11:40 amBozeman Gallatin Field
10h 10m
1 stop
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Sep 24
SJU2:00 pmSan Juan Luis Munoz Marin Intl
9h 04m
1 stop
BZN9:04 pmBozeman Gallatin Field
$473
United Airlines
Sep 25
BZN6:30 amBozeman Gallatin Field
9h 08m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
Sep 30
SJU1:00 amSan Juan Luis Munoz Marin Intl
11h 25m
1 stop
BZN10:25 amBozeman Gallatin Field
$474
United Airlines
Sep 19
BZN6:30 amBozeman Gallatin Field
9h 08m
1 stop
SJU5:38 pmSan Juan Luis Munoz Marin Intl
Sep 25
SJU1:00 amSan Juan Luis Munoz Marin Intl
16h 43m
2 stops
BZN3:43 pmBozeman Gallatin Field
$526

momondo Fare Finder

 
Customize your flight search to find flights from Montana 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 July 2, 2026.
Use the filters below to find and compare flights from Montana to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Fri 9/18

5:05 pm-10:50 am

2 stops15h 45m

San Juan Luis Munoz Marin Intl

Thu 9/24

11:35 am-10:25 pm

2 stops12h 50m

$436
Quickest round-trip

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Fri 9/18

11:40 am-11:50 pm

1 stop10h 10m

San Juan Luis Munoz Marin Intl

Thu 9/24

2:00 pm-9:04 pm

1 stop9h 04m

$473

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Fri 9/25

6:30 am-5:38 pm

1 stop9h 08m

San Juan Luis Munoz Marin Intl

Wed 9/30

1:00 am-10:25 am

1 stop11h 25m

$474

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Tue 8/18

6:55 am-9:05 pm

2 stops12h 10m

San Juan Luis Munoz Marin Intl

Sun 8/23

5:00 am-5:05 pm

2 stops14h 05m

$481

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Fri 10/30

6:00 am-11:56 pm

2 stops15h 56m

San Juan Luis Munoz Marin Intl

Tue 11/10

7:00 am-1:16 pm

1 stop9h 16m

$506

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Fri 10/30

6:00 am-11:56 pm

2 stops15h 56m

San Juan Luis Munoz Marin Intl

Tue 11/10

2:05 pm-11:58 pm

2 stops12h 53m

$510

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Mon 12/7

8:10 am-10:15 pm

2 stops11h 05m

San Juan Luis Munoz Marin Intl

Sun 12/13

6:05 am-3:25 pm

2 stops12h 20m

$522

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

$642

KalispellSan Juan

FCA - SJU

FCASJU

Kalispell Glacier Park

Mon 9/14

3:26 pm-3:40 pm

2 stops22h 14m

San Juan Luis Munoz Marin Intl

Mon 9/28

4:38 pm-12:44 pm

2 stops22h 06m

$642

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Mon 11/9

4:22 pm-3:02 pm

2 stops19h 40m

San Juan Luis Munoz Marin Intl

Sun 11/15

6:44 am-12:08 pm

3 stops32h 24m

$1,062

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Juan from

How to get the cheapest flight ticket from Montana 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 July, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $282.

Can stopping save me money on Montana to San Juan Luis Munoz Marin Intl Airport flights?

You could potentially save up to 31% on your flight if you consider stops on a Montana to San Juan Luis Munoz Marin Intl Airport flight.

Cheap Montana to San Juan Luis Munoz Marin Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to San Juan Luis Munoz Marin Intl Airport

Fastest flight time

8h 38m

Direct flights

None
The fastest flight from Montana to San Juan Luis Munoz Marin Intl Airport takes 8h 38m
There are no direct flights from Montana to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Montana to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

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

  • When did momondo last update prices for flights from Montana to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Montana to San Juan Luis Munoz Marin Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Montana to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Montana 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 Montana 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.

Best airlines flying from Montana to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Montana to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $300Free CancellationRating
7.4
9,920 reviews
Search United Airlines flights
SouthwestPriceFrom $443Free CancellationRating
7.9
4,250 reviews
Search Southwest 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 Montana to San Juan?

Finding the right flight to San Juan from Montana 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 Montana to San Juan with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Juan from Montana with this policy.

How can momondo help me find flights from Montana to San Juan?

Once you have performed a search for Montana 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 Montana to San Juan right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Juan, momondo offers a useful price alert feature which will track prices for flights to San Juan from Montana and alert you when they change.

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