Cheap flights from Montana to San Juan from $309

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 3/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.

Find the cheapest flights from Montana to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:59 am - 11:12 pm
BZN
-
SJU
15h 13m
2 stops
Delta Logo
6:15 am - 8:11 pm
SJU
-
BZN
15h 56m
2 stops
$384Delta
Sat, Apr 25 - Thu, Apr 30
United Airlines Logo
6:34 am - 11:50 pm
BZN
-
SJU
15h 16m
2 stops
United Airlines Logo
1:40 pm - 9:37 pm
SJU
-
BZN
9h 57m
1 stop
$414United Airlines
Sat, Apr 25 - Thu, Apr 30
Delta Logo
5:59 am - 8:24 pm
BZN
-
SJU
12h 25m
2 stops
Delta Logo
7:30 am - 8:11 pm
SJU
-
BZN
14h 41m
2 stops
$428Delta
Wed, Apr 22 - Thu, Apr 30
United Airlines Logo
6:34 am - 8:34 pm
BZN
-
SJU
12h 00m
2 stops
United Airlines Logo
1:00 am - 1:34 pm
SJU
-
BZN
14h 34m
2 stops
$444United Airlines
Sat, Apr 25 - Wed, Apr 29
Delta Logo
5:59 am - 8:24 pm
BZN
-
SJU
12h 25m
2 stops
Delta Logo
6:15 am - 8:11 pm
SJU
-
BZN
15h 56m
2 stops
$472Delta
Wed, Apr 22 - Thu, Apr 30
United Airlines Logo
6:34 am - 5:38 pm
BZN
-
SJU
9h 04m
1 stop
United Airlines Logo
7:20 am - 9:32 pm
SJU
-
BZN
16h 12m
2 stops
$474United Airlines
Sun, Apr 26 - Wed, Apr 29
JetBlue Logo
3:19 pm - 4:11 am
BZN
-
SJU
9h 52m
1 stop
JetBlue Logo
3:26 am - 12:11 pm
SJU
-
BZN
10h 45m
1 stop
$529JetBlue
Sat, Feb 28 - Sat, Mar 14
JetBlue Logo
12:39 pm - 11:16 pm
BZN
-
SJU
8h 37m
1 stop
JetBlue Logo
6:15 am - 1:35 pm
SJU
-
BZN
9h 20m
1 stop
$534JetBlue
Sat, Mar 14 - Sat, Mar 21
American Airlines Logo
1:51 pm - 9:13 am
BIL
-
SJU
17h 22m
2 stops
American Airlines Logo
6:45 am - 10:43 pm
SJU
-
BIL
17h 58m
1 stop
$584American Airlines
Wed, Apr 29 - Sat, May 9
American Airlines Logo
1:08 pm - 9:13 am
MSO
-
SJU
18h 05m
2 stops
American Airlines Logo
5:45 am - 9:45 pm
SJU
-
MSO
18h 00m
2 stops
$591American Airlines
Tue, Apr 7 - Tue, May 5

Delta flights from Montana to San Juan Luis Munoz Marin Intl Airport

Our best Delta deals on Montana to San Juan Luis Munoz Marin Intl Airport flight tickets
Delta
Apr 25
BZN5:59 amBozeman Gallatin Field
15h 13m
2 stops
SJU11:12 pmSan Juan Luis Munoz Marin Intl
Apr 30
SJU6:15 amSan Juan Luis Munoz Marin Intl
15h 56m
2 stops
BZN8:11 pmBozeman Gallatin Field
$384
Delta
Apr 22
BZN5:59 amBozeman Gallatin Field
12h 25m
2 stops
SJU8:24 pmSan Juan Luis Munoz Marin Intl
Apr 30
SJU7:30 amSan Juan Luis Munoz Marin Intl
14h 41m
2 stops
BZN8:11 pmBozeman Gallatin Field
$428
Delta
Apr 22
BZN5:59 amBozeman Gallatin Field
12h 25m
2 stops
SJU8:24 pmSan Juan Luis Munoz Marin Intl
Apr 30
SJU6:15 amSan Juan Luis Munoz Marin Intl
15h 56m
2 stops
BZN8:11 pmBozeman Gallatin Field
$472

JetBlue flights from Montana to San Juan Luis Munoz Marin Intl Airport

Our best JetBlue deals on Montana to San Juan Luis Munoz Marin Intl Airport flight tickets
JetBlue
Feb 28
BZN3:19 pmBozeman Gallatin Field
9h 52m
1 stop
SJU4:11 amSan Juan Luis Munoz Marin Intl
Mar 14
SJU3:26 amSan Juan Luis Munoz Marin Intl
10h 45m
1 stop
BZN12:11 pmBozeman Gallatin Field
$529
JetBlue
Mar 14
BZN12:39 pmBozeman Gallatin Field
8h 37m
1 stop
SJU11:16 pmSan Juan Luis Munoz Marin Intl
Mar 21
SJU6:15 amSan Juan Luis Munoz Marin Intl
9h 20m
1 stop
BZN1:35 pmBozeman Gallatin Field
$534
JetBlue
Feb 28
BZN3:19 pmBozeman Gallatin Field
9h 52m
1 stop
SJU4:11 amSan Juan Luis Munoz Marin Intl
Mar 14
SJU3:26 amSan Juan Luis Munoz Marin Intl
10h 45m
1 stop
BZN12:11 pmBozeman Gallatin Field
$571

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 February 9, 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

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Sat 4/25

5:59 am-11:12 pm

2 stops15h 13m

San Juan Luis Munoz Marin Intl

Thu 4/30

6:15 am-8:11 pm

2 stops15h 56m

$384

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Sat 4/25

6:34 am-11:50 pm

2 stops15h 16m

San Juan Luis Munoz Marin Intl

Thu 4/30

1:40 pm-9:37 pm

1 stop9h 57m

$414

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Wed 4/22

5:59 am-8:24 pm

2 stops12h 25m

San Juan Luis Munoz Marin Intl

Thu 4/30

7:30 am-8:11 pm

2 stops14h 41m

$428

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Sat 4/25

6:34 am-8:34 pm

2 stops12h 00m

San Juan Luis Munoz Marin Intl

Wed 4/29

1:00 am-1:34 pm

2 stops14h 34m

$444

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Wed 4/22

5:59 am-8:24 pm

2 stops12h 25m

San Juan Luis Munoz Marin Intl

Thu 4/30

6:15 am-8:11 pm

2 stops15h 56m

$472

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Sun 4/26

6:34 am-5:38 pm

1 stop9h 04m

San Juan Luis Munoz Marin Intl

Wed 4/29

7:20 am-9:32 pm

2 stops16h 12m

$474

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Sat 2/28

3:19 pm-4:11 am

1 stop9h 52m

San Juan Luis Munoz Marin Intl

Sat 3/14

3:26 am-12:11 pm

1 stop10h 45m

$529

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

Sat 3/14

12:39 pm-11:16 pm

1 stop8h 37m

San Juan Luis Munoz Marin Intl

Sat 3/21

6:15 am-1:35 pm

1 stop9h 20m

$534

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

Wed 4/29

1:51 pm-9:13 am

2 stops17h 22m

San Juan Luis Munoz Marin Intl

Sat 5/9

6:45 am-10:43 pm

1 stop17h 58m

$584

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

Tue 4/7

1:08 pm-9:13 am

2 stops18h 05m

San Juan Luis Munoz Marin Intl

Tue 5/5

5:45 am-9:45 pm

2 stops18h 00m

$591

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 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 November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $482.

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

You could potentially save up to 6% 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 25m

Direct flights

None
The fastest flight from Montana to San Juan Luis Munoz Marin Intl Airport takes 8h 25m
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.
  • 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
JetBluePriceFrom $235Free CancellationRating
7.2
2,893 reviews
Search JetBlue flights
SouthwestPriceFrom $363Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
United AirlinesPriceFrom $385Free CancellationRating
7.4
9,262 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 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.

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 3/11
Wed 3/18

Find better results for your trip to San Juan