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Cheap flights from Montana to San Juan from $251

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 10/23. 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 Montana to San Juan

Cheap round-trip flights

Southwest Logo
10:15 am - 1:25 amBZN-SJU
12h 10m2 stops
Southwest Logo
11:20 am - 10:45 pmSJU-BZN
14h 25m2 stops
$465Southwest
Find Deal
jue., nov. 13 - jue., nov. 20
American Airlines Logo
1:05 pm - 1:30 pmMSO-SJU
21h 25m2 stops
American Airlines Logo
6:50 pm - 12:25 pmSJU-MSO
20h 35m2 stops
$511American Airlines
Find Deal
jue., ene. 8 - mié., ene. 21
American Airlines Logo
1:51 pm - 12:05 pmBZN-SJU
19h 14m2 stops
American Airlines Logo
6:20 pm - 12:32 pmSJU-BZN
21h 12m2 stops
$511American Airlines
Find Deal
dom., dic. 7 - jue., dic. 11
United Airlines Logo
4:30 pm - 3:40 pmBZN-SJU
20h 10m2 stops
United Airlines Logo
2:25 pm - 9:39 pmSJU-BZN
10h 14m1 stop
$539United Airlines
Find Deal
dom., dic. 7 - jue., dic. 11
United Airlines Logo
12:50 pm - 9:00 pmBZN-SJU
29h 10m1 stop
United Airlines Logo
2:25 pm - 9:39 pmSJU-BZN
10h 14m1 stop
$553United Airlines
Find Deal
dom., dic. 7 - jue., dic. 11
United Airlines Logo
7:00 am - 11:57 pmBIL-SJU
14h 57m2 stops
United Airlines Logo
1:05 am - 1:18 pmSJU-BIL
14h 13m2 stops
$578United Airlines
Find Deal
mar., sep. 30 - mié., oct. 8
Delta Logo
6:10 pm - 12:40 pmMSO-SJU
15h 30m2 stops
Delta Logo
7:00 am - 8:12 pmSJU-MSO
16h 12m2 stops
$663Delta
Find Deal
lun., dic. 8 - jue., dic. 11
Delta Logo
6:10 pm - 12:40 pmMSO-SJU
15h 30m2 stops
Delta Logo
7:30 am - 8:12 pmSJU-MSO
15h 42m2 stops
$705Delta
Find Deal
lun., dic. 8 - jue., dic. 11
Alaska Airlines Logo
3:25 pm - 2:40 pmBZN-SJU
20h 15m2 stops
Alaska Airlines Logo
8:09 am - 2:25 pmSJU-BZN
33h 16m3 stops
$884Alaska Airlines
Find Deal
dom., dic. 7 - jue., dic. 11
Alaska Airlines Logo
3:25 pm - 9:55 pmBZN-SJU
27h 30m3 stops
Alaska Airlines Logo
7:20 am - 10:48 pmSJU-BZN
18h 28m2 stops
$1,199Alaska Airlines
Find Deal
jue., ene. 29 - dom., feb. 1

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
Jan 8
MSO1:05 pmMissoula Johnson-Bell Field
21h 25m
2 stops
SJU1:30 pmSan Juan Luis Munoz Marin Intl
Jan 21
SJU6:50 pmSan Juan Luis Munoz Marin Intl
20h 35m
2 stops
MSO12:25 pmMissoula Johnson-Bell Field
$511
Find similar
American Airlines
Jan 8
MSO1:05 pmMissoula Johnson-Bell Field
19h 55m
2 stops
SJU12:00 pmSan Juan Luis Munoz Marin Intl
Jan 21
SJU6:50 pmSan Juan Luis Munoz Marin Intl
20h 35m
2 stops
MSO12:25 pmMissoula Johnson-Bell Field
$561
Find similar
American Airlines
Dec 6
BIL2:04 pmBillings Logan Intl
19h 01m
2 stops
SJU12:05 pmSan Juan Luis Munoz Marin Intl
Dec 15
SJU6:20 pmSan Juan Luis Munoz Marin Intl
20h 35m
2 stops
BIL11:55 amBillings Logan Intl
$608
Find similar

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
Dec 8
MSO6:10 pmMissoula Johnson-Bell Field
15h 30m
2 stops
SJU12:40 pmSan Juan Luis Munoz Marin Intl
Dec 11
SJU7:00 amSan Juan Luis Munoz Marin Intl
16h 12m
2 stops
MSO8:12 pmMissoula Johnson-Bell Field
$663
Find similar
Delta
Dec 8
MSO6:10 pmMissoula Johnson-Bell Field
15h 30m
2 stops
SJU12:40 pmSan Juan Luis Munoz Marin Intl
Dec 11
SJU7:30 amSan Juan Luis Munoz Marin Intl
15h 42m
2 stops
MSO8:12 pmMissoula Johnson-Bell Field
$705
Find similar
Delta
Dec 19
BZN6:25 pmBozeman Gallatin Field
19h 30m
2 stops
SJU4:55 pmSan Juan Luis Munoz Marin Intl
Dec 29
SJU3:13 amSan Juan Luis Munoz Marin Intl
12h 43m
2 stops
BZN12:56 pmBozeman Gallatin Field
$1,865
Find similar

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 agosto 14, 2025.
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

jue. 11/13

10:15 am-1:25 am

2 stops12h 10m

San Juan Luis Munoz Marin Intl

jue. 11/20

11:20 am-10:45 pm

2 stops14h 25m

$465

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

jue. 1/8

1:05 pm-1:30 pm

2 stops21h 25m

San Juan Luis Munoz Marin Intl

mié. 1/21

6:50 pm-12:25 pm

2 stops20h 35m

$511

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

dom. 12/7

1:51 pm-12:05 pm

2 stops19h 14m

San Juan Luis Munoz Marin Intl

jue. 12/11

6:20 pm-12:32 pm

2 stops21h 12m

$511

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

dom. 12/7

4:30 pm-3:40 pm

2 stops20h 10m

San Juan Luis Munoz Marin Intl

jue. 12/11

2:25 pm-9:39 pm

1 stop10h 14m

$539

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

dom. 12/7

12:50 pm-9:00 pm

1 stop29h 10m

San Juan Luis Munoz Marin Intl

jue. 12/11

2:25 pm-9:39 pm

1 stop10h 14m

$553

BillingsSan Juan

BIL - SJU

BILSJU

Billings Logan Intl

mar. 9/30

7:00 am-11:57 pm

2 stops14h 57m

San Juan Luis Munoz Marin Intl

mié. 10/8

1:05 am-1:18 pm

2 stops14h 13m

$578

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

lun. 12/8

6:10 pm-12:40 pm

2 stops15h 30m

San Juan Luis Munoz Marin Intl

jue. 12/11

7:00 am-8:12 pm

2 stops16h 12m

$663

MissoulaSan Juan

MSO - SJU

MSOSJU

Missoula Johnson-Bell Field

lun. 12/8

6:10 pm-12:40 pm

2 stops15h 30m

San Juan Luis Munoz Marin Intl

jue. 12/11

7:30 am-8:12 pm

2 stops15h 42m

$705

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

dom. 12/7

3:25 pm-2:40 pm

2 stops20h 15m

San Juan Luis Munoz Marin Intl

jue. 12/11

8:09 am-2:25 pm

3 stops33h 16m

$884

BozemanSan Juan

BZN - SJU

BZNSJU

Bozeman Gallatin Field

jue. 1/29

3:25 pm-9:55 pm

3 stops27h 30m

San Juan Luis Munoz Marin Intl

dom. 2/1

7:20 am-10:48 pm

2 stops18h 28m

$1,199

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 Montana is on a Sunday. momondo users have found tickets for Sunday departures for as low as $382. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Montana because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $761.

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 $487. Flights in the morning are often more expensive with an average ticket price of $604.

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

You could potentially save up to 40% 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

Best Price Found

$251

Fastest flight time

8h 30m

Direct flights

None
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Montana in the past 72 hours is $251. The best round-trip flight deal from Montana to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $465.
The fastest flight from Montana to San Juan Luis Munoz Marin Intl Airport takes 8h 30m
There are no direct flights from Montana to San Juan Luis Munoz Marin Intl Airport. Popular non-direct routes for this connection are Bozeman Gallatin Field Airport - San Juan Luis Munoz Marin Intl Airport, Missoula Johnson-Bell Field Airport - San Juan Luis Munoz Marin Intl Airport and Billings Logan Intl Airport - San Juan Luis Munoz Marin Intl Airport.
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  • 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
2,914 reviews
Search JetBlue flights
United AirlinesPriceFrom $352Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
DeltaPriceFrom $374Free CancellationRating
8.0
7,980 reviews
Search Delta flights
SouthwestPriceFrom $479Free CancellationRating
8.0
4,244 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
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.

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