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

Delta, Southwest, 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 21m 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 Great Falls and into New Orleans, then the flight time is around 6h 07m.

What airlines fly to Louisiana?

United Airlines, American Airlines and Southwest 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 59% of people opting to fly with this airline when traveling to Louisiana. Keep in mind that there are 5 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 5 as of July 2026.

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.

$173 Cheap Flights from Montana to Louisiana in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montana to Louisiana

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:51 pm - 5:00 am

BZN

MSY

11h 09m

1 stop

8:59 pm - 4:01 pm

MSY

BZN

20h 02m

1 stop

$291Multiple Airlines

Thu, Aug 6 - Wed, Aug 12

4:51 pm - 5:00 am

BZN

MSY

11h 09m

1 stop

12:36 pm - 4:01 pm

MSY

BZN

28h 25m

2 stops

$319Multiple Airlines

Thu, Aug 6 - Wed, Aug 12

6:20 am - 3:19 pm

BIL

MSY

7h 59m

1 stop

4:24 pm - 11:15 pm

MSY

BIL

7h 51m

1 stop

$329Delta

Mon, Sep 14 - Thu, Sep 24

6:20 am - 3:19 pm

BIL

MSY

7h 59m

1 stop

11:20 am - 10:34 pm

MSY

BIL

12h 14m

2 stops

$334Delta

Mon, Sep 14 - Fri, Sep 25

6:20 am - 3:24 pm

FCA

MSY

8h 04m

1 stop

4:28 pm - 11:56 pm

MSY

FCA

8h 28m

1 stop

$337Delta

Sat, Aug 29 - Tue, Sep 1

4:15 pm - 10:59 pm

BZN

MSY

5h 44m

1 stop

8:01 am - 3:25 pm

MSY

BZN

8h 24m

1 stop

$345American Airlines

Tue, Aug 11 - Tue, Aug 18

4:16 pm - 10:58 pm

BZN

MSY

5h 42m

1 stop

5:49 am - 11:09 am

MSY

BZN

6h 20m

1 stop

$348American Airlines

Wed, Sep 23 - Sun, Sep 27

6:15 am - 2:57 pm

HLN

MSY

7h 42m

1 stop

4:25 pm - 9:30 pm

MSY

HLN

6h 05m

1 stop

$349United Airlines

Sat, Sep 5 - Tue, Sep 8

6:15 am - 8:03 pm

HLN

MSY

12h 48m

2 stops

4:25 pm - 9:30 pm

MSY

HLN

6h 05m

1 stop

$354United Airlines

Sat, Sep 5 - Tue, Sep 8

5:09 pm - 5:49 am

GTF

MSY

11h 40m

1 stop

5:27 pm - 4:38 pm

MSY

GTF

24h 11m

1 stop

$388Alaska Airlines

Wed, Aug 12 - Thu, Aug 20

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American Airlines flights from Montana to Louisiana

Our best American Airlines deals on Montana to Louisiana flight tickets

American Airlines

Aug 11

BZN4:15 pmBozeman Gallatin Field

5h 44m

1 stop

MSY10:59 pmNew Orleans Louis Armstrong

Aug 18

MSY8:01 amNew Orleans Louis Armstrong

8h 24m

1 stop

BZN3:25 pmBozeman Gallatin Field

$345

American Airlines

Sep 23

BZN4:16 pmBozeman Gallatin Field

5h 42m

1 stop

MSY10:58 pmNew Orleans Louis Armstrong

Sep 27

MSY5:49 amNew Orleans Louis Armstrong

6h 20m

1 stop

BZN11:09 amBozeman Gallatin Field

$348

American Airlines

Aug 11

BZN4:15 pmBozeman Gallatin Field

5h 44m

1 stop

MSY10:59 pmNew Orleans Louis Armstrong

Aug 18

MSY8:01 amNew Orleans Louis Armstrong

8h 24m

1 stop

BZN3:25 pmBozeman Gallatin Field

$351

United Airlines flights from Montana to Louisiana

Our best United Airlines deals on Montana to Louisiana flight tickets

United Airlines

Sep 5

HLN6:15 amHelena

7h 42m

1 stop

MSY2:57 pmNew Orleans Louis Armstrong

Sep 8

MSY4:25 pmNew Orleans Louis Armstrong

6h 05m

1 stop

HLN9:30 pmHelena

$349

United Airlines

Sep 5

HLN6:15 amHelena

12h 48m

2 stops

MSY8:03 pmNew Orleans Louis Armstrong

Sep 8

MSY4:25 pmNew Orleans Louis Armstrong

6h 05m

1 stop

HLN9:30 pmHelena

$354

United Airlines

Aug 21

BIL7:00 amBillings Logan Intl

6h 57m

1 stop

MSY2:57 pmNew Orleans Louis Armstrong

Aug 26

MSY5:05 amNew Orleans Louis Armstrong

9h 16m

2 stops

BIL1:21 pmBillings Logan Intl

$372

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BozemanNew Orleans

BZN - MSY

BZNMSY

Bozeman Gallatin Field

Thu 8/6

4:51 pm-5:00 am

1 stop11h 09m

New Orleans Louis Armstrong

Wed 8/12

8:59 pm-4:01 pm

1 stop20h 02m

$291

BozemanNew Orleans

BZN - MSY

BZNMSY

Bozeman Gallatin Field

Thu 8/6

4:51 pm-5:00 am

1 stop11h 09m

New Orleans Louis Armstrong

Wed 8/12

12:36 pm-4:01 pm

2 stops28h 25m

$319

BillingsNew Orleans

BIL - MSY

BILMSY

Billings Logan Intl

Mon 9/14

6:20 am-3:19 pm

1 stop7h 59m

New Orleans Louis Armstrong

Thu 9/24

4:24 pm-11:15 pm

1 stop7h 51m

$329

BillingsNew Orleans

BIL - MSY

BILMSY

Billings Logan Intl

Mon 9/14

6:20 am-3:19 pm

1 stop7h 59m

New Orleans Louis Armstrong

Fri 9/25

11:20 am-10:34 pm

2 stops12h 14m

$334

KalispellNew Orleans

FCA - MSY

FCAMSY

Kalispell Glacier Park

Sat 8/29

6:20 am-3:24 pm

1 stop8h 04m

New Orleans Louis Armstrong

Tue 9/1

4:28 pm-11:56 pm

1 stop8h 28m

$337

BozemanNew Orleans

BZN - MSY

BZNMSY

Bozeman Gallatin Field

Tue 8/11

4:15 pm-10:59 pm

1 stop5h 44m

New Orleans Louis Armstrong

Tue 8/18

8:01 am-3:25 pm

1 stop8h 24m

$345

Quickest round-trip

BozemanNew Orleans

BZN - MSY

BZNMSY

Bozeman Gallatin Field

Wed 9/23

4:16 pm-10:58 pm

1 stop5h 42m

New Orleans Louis Armstrong

Sun 9/27

5:49 am-11:09 am

1 stop6h 20m

$348

HelenaNew Orleans

HLN - MSY

HLNMSY

Helena

Sat 9/5

6:15 am-2:57 pm

1 stop7h 42m

New Orleans Louis Armstrong

Tue 9/8

4:25 pm-9:30 pm

1 stop6h 05m

$349

HelenaNew Orleans

HLN - MSY

HLNMSY

Helena

Sat 9/5

6:15 am-8:03 pm

2 stops12h 48m

New Orleans Louis Armstrong

Tue 9/8

4:25 pm-9:30 pm

1 stop6h 05m

$354

Great FallsNew Orleans

GTF - MSY

GTFMSY

Great Falls

Wed 8/12

5:09 pm-5:49 am

1 stop11h 40m

New Orleans Louis Armstrong

Thu 8/20

5:27 pm-4:38 pm

1 stop24h 11m

$388

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, March 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 $154. The month of June is another great option to travel to Louisiana, with average flight prices from Montana averaging around $164.

Can stopping save me money on Montana to Louisiana flights?

You could potentially save up to 41% 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

Fastest flight time	5h 21m
Direct flights	None

The fastest flight from Montana to Louisiana takes 5h 21m

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

Search flight deals

Frequently asked questions about flying from Montana to Louisiana

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 5 as of July 2026.
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 $154	Free Cancellation	Rating 7.8 8,452 reviews	Search Delta flights
American Airlines	PriceFrom $203	Free Cancellation	Rating 7.1 11,765 reviews	Search American Airlines flights
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 9,909 reviews	Search United Airlines flights
Southwest	PriceFrom $274	Free Cancellation	Rating 7.9 4,246 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $276	Free Cancellation	Rating 7.9 12,600 reviews	Search Alaska Airlines 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.