What is the cheapest airline that flies from Montana to Louisiana?

Delta, United Airlines, and Alaska Airlines are the most popular carriers operating from Montana to Louisiana

How long is the flight from Montana to Louisiana?

On average, it takes 5h 17m to fly from Montana to Louisiana if you fly out of Bozeman (the most popular airport in Montana) and into New Orleans (the most popular airport in Louisiana). If you’re flying out of Kalispell and into New Orleans, then the flight time is around 5h 50m.

What airlines fly to Louisiana?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Louisiana from Montana according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Louisiana. Keep in mind that there are 4 different airlines that fly to Louisiana on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Montana to Louisiana?

Prices for flights from Montana to Louisiana refresh daily.

How many operators does momondo search for flights from Montana to Louisiana?

The number of operators available for flights from Montana to Louisiana is 4 as of September 2025.

How old do you have to be to fly from Montana to Louisiana?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montana to Louisiana.

What documentation or ID do you need to fly to Louisiana?

The necessary travel and health documents for your Louisiana 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.

$144 Cheap Flights from Montana to Louisiana in 2025/26

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Find the cheapest flights from Montana to Louisiana

Round-trip

One-way

Last minute

Cheap round-trip flights

4:54 pm - 12:09 amBZN-MSY

6h 15m1 stop

6:04 am - 1:08 pmMSY-BZN

8h 04m1 stop

$329American Airlines

Find Deal

Sun, Oct 26 - Tue, Oct 28

2:33 pm - 9:30 pmMSO-MSY

5h 57m1 stop

2:37 pm - 9:25 pmMSY-MSO

7h 48m1 stop

$343United Airlines

Find Deal

Mon, Oct 20 - Fri, Oct 24

2:40 pm - 9:49 pmBIL-MSY

6h 09m1 stop

2:35 pm - 9:23 pmMSY-BIL

7h 48m1 stop

$343United Airlines

Find Deal

Wed, Dec 3 - Wed, Jan 7

9:35 pm - 12:23 amBIL-MSY

25h 48m1 stop

6:30 pm - 9:24 amMSY-BIL

39h 54m2 stops

$345Multiple Airlines

Find Deal

Sun, Oct 5 - Wed, Oct 8

6:24 am - 5:58 pmBIL-MSY

10h 34m2 stops

4:37 pm - 11:45 pmMSY-BIL

8h 08m1 stop

$348Delta

Find Deal

Thu, Dec 4 - Mon, Dec 8

7:00 am - 8:00 pmBZN-MSY

12h 00m2 stops

5:34 am - 12:06 pmMSY-BZN

7h 32m1 stop

$350American Airlines

Find Deal

Fri, Jan 16 - Sun, Jan 18

6:15 pm - 8:00 amBIL-MSY

12h 45m2 stops

11:50 am - 10:25 pmMSY-BIL

11h 35m2 stops

$353Delta

Find Deal

Tue, Oct 21 - Tue, Oct 28

5:45 am - 1:53 pmBZN-MSY

7h 08m1 stop

7:18 pm - 12:58 amMSY-BZN

6h 40m1 stop

$354Delta

Find Deal

Tue, Mar 10 - Wed, Mar 11

4:12 pm - 5:49 amMSO-MSY

12h 37m1 stop

5:34 pm - 6:00 pmMSY-MSO

25h 26m1 stop

$428Alaska Airlines

Find Deal

Mon, Oct 20 - Fri, Oct 24

2:35 pm - 4:32 pmMSO-MSY

24h 57m1 stop

8:30 am - 5:56 pmMSY-MSO

10h 26m1 stop

$447Alaska Airlines

Find Deal

Sat, Feb 28 - Sun, Mar 8

United Airlines flights from Montana to Louisiana

Our best United Airlines deals on Montana to Louisiana flight tickets

United Airlines

Oct 20

MSO2:33 pmMissoula Johnson-Bell Field

5h 57m

1 stop

MSY9:30 pmNew Orleans Louis Armstrong

Oct 24

MSY2:37 pmNew Orleans Louis Armstrong

7h 48m

1 stop

MSO9:25 pmMissoula Johnson-Bell Field

$343

Find similar

United Airlines

Dec 3

BIL2:40 pmBillings Logan Intl

7h 19m

2 stops

MSY10:59 pmNew Orleans Louis Armstrong

Jan 5

MSY2:35 pmNew Orleans Louis Armstrong

7h 49m

1 stop

BIL9:24 pmBillings Logan Intl

$375

Find similar

United Airlines

Oct 19

MSO6:25 amMissoula Johnson-Bell Field

6h 06m

1 stop

MSY1:31 pmNew Orleans Louis Armstrong

Oct 24

MSY2:37 pmNew Orleans Louis Armstrong

7h 48m

1 stop

MSO9:25 pmMissoula Johnson-Bell Field

$380

Find similar

Delta flights from Montana to Louisiana

Our best Delta deals on Montana to Louisiana flight tickets

Delta

Dec 4

BIL6:24 amBillings Logan Intl

10h 34m

2 stops

MSY5:58 pmNew Orleans Louis Armstrong

Dec 8

MSY4:37 pmNew Orleans Louis Armstrong

8h 08m

1 stop

BIL11:45 pmBillings Logan Intl

$348

Find similar

Delta

Oct 21

BIL6:15 pmBillings Logan Intl

12h 45m

2 stops

MSY8:00 amNew Orleans Louis Armstrong

Oct 28

MSY11:50 amNew Orleans Louis Armstrong

11h 35m

2 stops

BIL10:25 pmBillings Logan Intl

$353

Find similar

Delta

Mar 10

BZN2:00 pmBozeman Gallatin Field

7h 23m

1 stop

MSY10:23 pmNew Orleans Louis Armstrong

Mar 11

MSY7:18 pmNew Orleans Louis Armstrong

6h 40m

1 stop

BZN12:58 amBozeman Gallatin Field

$354

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BozemanNew Orleans

BZN - MSY

BZNMSY

Bozeman Gallatin Field

Sun 10/26

4:54 pm-12:09 am

1 stop6h 15m

New Orleans Louis Armstrong

Tue 10/28

6:04 am-1:08 pm

1 stop8h 04m

$329

MissoulaNew Orleans

MSO - MSY

MSOMSY

Missoula Johnson-Bell Field

Mon 10/20

2:33 pm-9:30 pm

1 stop5h 57m

New Orleans Louis Armstrong

Fri 10/24

2:37 pm-9:25 pm

1 stop7h 48m

$343

BillingsNew Orleans

BIL - MSY

BILMSY

Billings Logan Intl

Wed 12/3

2:40 pm-9:49 pm

1 stop6h 09m

New Orleans Louis Armstrong

Wed 1/7

2:35 pm-9:23 pm

1 stop7h 48m

$343

BillingsNew Orleans

BIL - MSY

BILMSY

Billings Logan Intl

Sun 10/5

9:35 pm-12:23 am

1 stop25h 48m

New Orleans Louis Armstrong

Wed 10/8

6:30 pm-9:24 am

2 stops39h 54m

$345

BillingsNew Orleans

BIL - MSY

BILMSY

Billings Logan Intl

Thu 12/4

6:24 am-5:58 pm

2 stops10h 34m

New Orleans Louis Armstrong

Mon 12/8

4:37 pm-11:45 pm

1 stop8h 08m

$348

BozemanNew Orleans

BZN - MSY

BZNMSY

Bozeman Gallatin Field

Fri 1/16

7:00 am-8:00 pm

2 stops12h 00m

New Orleans Louis Armstrong

Sun 1/18

5:34 am-12:06 pm

1 stop7h 32m

$350

BillingsNew Orleans

BIL - MSY

BILMSY

Billings Logan Intl

Tue 10/21

6:15 pm-8:00 am

2 stops12h 45m

New Orleans Louis Armstrong

Tue 10/28

11:50 am-10:25 pm

2 stops11h 35m

$353

BozemanNew Orleans

BZN - MSY

BZNMSY

Bozeman Gallatin Field

Tue 3/10

5:45 am-1:53 pm

1 stop7h 08m

New Orleans Louis Armstrong

Wed 3/11

7:18 pm-12:58 am

1 stop6h 40m

$354

MissoulaNew Orleans

MSO - MSY

MSOMSY

Missoula Johnson-Bell Field

Mon 10/20

4:12 pm-5:49 am

1 stop12h 37m

New Orleans Louis Armstrong

Fri 10/24

5:34 pm-6:00 pm

1 stop25h 26m

$428

MissoulaNew Orleans

MSO - MSY

MSOMSY

Missoula Johnson-Bell Field

Sat 2/28

2:35 pm-4:32 pm

1 stop24h 57m

New Orleans Louis Armstrong

Sun 3/8

8:30 am-5:56 pm

1 stop10h 26m

$447

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montana to Louisiana

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

Prices

Airlines

Other information

What is the cheapest month to fly to Louisiana?

In general, August is the cheapest month to fly from Montana to Louisiana. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $340. The month of September is another great option to travel to Louisiana, with average flight prices from Montana averaging around $366.

What is the cheapest day to depart on your flight to Louisiana?

According to our data, Tuesday is the cheapest day to fly to Louisiana from Montana. The lowest ticket price found for a Tuesday departure recently was $434. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Louisiana on Sunday is $617.

What is the cheapest time of day to depart on your flight to Louisiana?

The cheapest time of day to fly to Louisiana is in the morning when flights can be purchased for as low as $509. In contrast, the most expensive time of day to depart to Louisiana is at noon when prices are around $510.

How far in advance should I book a flight to Louisiana?

You are more likely to see cheaper flights to Louisiana from Montana when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisiana for around $480 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisiana from Montana for as low as $355 on momondo.

Can stopping save me money on Montana to Louisiana flights?

You could potentially save up to 44% on your flight if you consider stops on a Montana to Louisiana flight.

Cheap Montana to Louisiana flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to Louisiana

Direct flights	None

There are no direct flights from Montana to Louisiana. There are no popular flight routes from Montana to Louisiana.

Search flight deals

When did momondo last update prices for flights from Montana to Louisiana?
Prices for flights from Montana to Louisiana refresh daily.
How many operators does momondo search for flights from Montana to Louisiana?
The number of operators available for flights from Montana to Louisiana is 4 as of September 2025.
How old do you have to be to fly from Montana to Louisiana?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montana to Louisiana.
What documentation or ID do you need to fly to Louisiana?
The necessary travel and health documents for your Louisiana 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 Louisiana

Compare and see reviews for airlines that fly from Montana to Louisiana with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $200	Free Cancellation	Rating 7.9 7,971 reviews	Search Delta flights
United Airlines	PriceFrom $294	Free Cancellation	Rating 7.4 8,922 reviews	Search United Airlines flights
American Airlines	PriceFrom $308	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $360	Free Cancellation	Rating 8.0 4,244 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Montana to Louisiana?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Montana to Louisiana. momondo saves you time and could save you money on your trip.

Can I find flights from Montana to Louisiana with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Montana to Louisiana flights to just show those with flexible booking policies.

How can momondo help me find flights from Montana to Louisiana?

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

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