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Cheap flights from Montana to Baton Rouge from $548

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Baton Rouge departing on 11/14. 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

Find the cheapest flights from Montana to Baton Rouge

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:15 am - 7:30 pm
MSO
-
BTR
12h 15m
2 stops
United Airlines Logo
5:00 am - 1:32 pm
BTR
-
MSO
9h 32m
2 stops
$548United Airlines
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
6:15 am - 9:35 pm
MSO
-
BTR
14h 20m
3 stops
United Airlines Logo
5:00 am - 1:32 pm
BTR
-
MSO
9h 32m
2 stops
$651United Airlines
Sat, Nov 14 - Tue, Nov 17
American Airlines Logo
2:23 pm - 10:57 pm
MSO
-
BTR
7h 34m
1 stop
American Airlines Logo
6:00 am - 1:17 pm
BTR
-
MSO
8h 17m
1 stop
$1,327American Airlines
Sun, Jul 26 - Fri, Jul 31
American Airlines Logo
2:23 pm - 10:57 pm
MSO
-
BTR
7h 34m
1 stop
American Airlines Logo
6:00 am - 4:11 pm
BTR
-
MSO
11h 11m
2 stops
$1,332American Airlines
Sun, Jul 26 - Fri, Jul 31
United Airlines Logo
12:34 pm - 10:46 pm
MSO
-
BTR
9h 12m
2 stops
United Airlines Logo
2:05 pm - 11:56 pm
BTR
-
MSO
10h 51m
2 stops
$1,467United Airlines
Sun, Jul 26 - Fri, Jul 31
United Airlines Logo
12:34 pm - 10:46 pm
MSO
-
BTR
9h 12m
2 stops
United Airlines Logo
12:10 pm - 9:39 pm
BTR
-
MSO
10h 29m
3 stops
$1,474United Airlines
Sun, Jul 26 - Fri, Jul 31
United Airlines Logo
10:36 am - 9:35 pm
MSO
-
BTR
9h 59m
3 stops
United Airlines Logo
12:10 pm - 9:39 pm
BTR
-
MSO
10h 29m
3 stops
$1,813United Airlines
Sun, Jul 26 - Fri, Jul 31
Delta Logo
5:55 am - 6:24 pm
MSO
-
BTR
11h 29m
2 stops
Delta Logo
10:25 am - 11:44 pm
BTR
-
MSO
14h 19m
2 stops
$3,789Delta
Sun, Jul 26 - Fri, Jul 31

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United Airlines flights from Montana to Baton Rouge

Our best United Airlines deals on Montana to Baton Rouge flight tickets
United Airlines
Nov 14
MSO6:15 amMissoula Johnson-Bell Field
12h 15m
2 stops
BTR7:30 pmBaton Rouge Ryan
Nov 17
BTR5:00 amBaton Rouge Ryan
9h 32m
2 stops
MSO1:32 pmMissoula Johnson-Bell Field
$548
United Airlines
Nov 14
MSO6:15 amMissoula Johnson-Bell Field
14h 20m
3 stops
BTR9:35 pmBaton Rouge Ryan
Nov 17
BTR5:00 amBaton Rouge Ryan
9h 32m
2 stops
MSO1:32 pmMissoula Johnson-Bell Field
$651
United Airlines
Jul 26
MSO12:34 pmMissoula Johnson-Bell Field
9h 12m
2 stops
BTR10:46 pmBaton Rouge Ryan
Jul 31
BTR2:05 pmBaton Rouge Ryan
10h 51m
2 stops
MSO11:56 pmMissoula Johnson-Bell Field
$1,467

American Airlines flights from Montana to Baton Rouge

Our best American Airlines deals on Montana to Baton Rouge flight tickets
American Airlines
Jul 26
MSO2:23 pmMissoula Johnson-Bell Field
7h 34m
1 stop
BTR10:57 pmBaton Rouge Ryan
Jul 31
BTR6:00 amBaton Rouge Ryan
8h 17m
1 stop
MSO1:17 pmMissoula Johnson-Bell Field
$1,327
American Airlines
Jul 26
MSO2:23 pmMissoula Johnson-Bell Field
7h 34m
1 stop
BTR10:57 pmBaton Rouge Ryan
Jul 31
BTR6:00 amBaton Rouge Ryan
11h 11m
2 stops
MSO4:11 pmMissoula Johnson-Bell Field
$1,332

momondo Fare Finder

 
Customize your flight search to find flights from Montana to Baton Rouge 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 June 26, 2026.
Use the filters below to find and compare flights from Montana to Baton Rouge that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MissoulaBaton Rouge

MSO - BTR

MSOBTR

Missoula Johnson-Bell Field

Sat 11/14

6:15 am-7:30 pm

2 stops12h 15m

Baton Rouge Ryan

Tue 11/17

5:00 am-1:32 pm

2 stops9h 32m

$548

MissoulaBaton Rouge

MSO - BTR

MSOBTR

Missoula Johnson-Bell Field

Sat 11/14

6:15 am-9:35 pm

3 stops14h 20m

Baton Rouge Ryan

Tue 11/17

5:00 am-1:32 pm

2 stops9h 32m

$651
Quickest round-trip

MissoulaBaton Rouge

MSO - BTR

MSOBTR

Missoula Johnson-Bell Field

Sun 7/26

2:23 pm-10:57 pm

1 stop7h 34m

Baton Rouge Ryan

Fri 7/31

6:00 am-1:17 pm

1 stop8h 17m

$1,327

MissoulaBaton Rouge

MSO - BTR

MSOBTR

Missoula Johnson-Bell Field

Sun 7/26

2:23 pm-10:57 pm

1 stop7h 34m

Baton Rouge Ryan

Fri 7/31

6:00 am-4:11 pm

2 stops11h 11m

$1,332

MissoulaBaton Rouge

MSO - BTR

MSOBTR

Missoula Johnson-Bell Field

Sun 7/26

12:34 pm-10:46 pm

2 stops9h 12m

Baton Rouge Ryan

Fri 7/31

2:05 pm-11:56 pm

2 stops10h 51m

$1,467

MissoulaBaton Rouge

MSO - BTR

MSOBTR

Missoula Johnson-Bell Field

Sun 7/26

12:34 pm-10:46 pm

2 stops9h 12m

Baton Rouge Ryan

Fri 7/31

12:10 pm-9:39 pm

3 stops10h 29m

$1,474

MissoulaBaton Rouge

MSO - BTR

MSOBTR

Missoula Johnson-Bell Field

Sun 7/26

10:36 am-9:35 pm

3 stops9h 59m

Baton Rouge Ryan

Fri 7/31

12:10 pm-9:39 pm

3 stops10h 29m

$1,813

MissoulaBaton Rouge

MSO - BTR

MSOBTR

Missoula Johnson-Bell Field

Sun 7/26

5:55 am-6:24 pm

2 stops11h 29m

Baton Rouge Ryan

Fri 7/31

10:25 am-11:44 pm

2 stops14h 19m

$3,789

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Baton Rouge from

How to get the cheapest flight ticket from Montana to Baton Rouge

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 airlines fly to Baton Rouge?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Baton Rouge from Montana according to our data. United Airlines is the first choice among our users, with 64% of people opting to fly with this airline when traveling to Baton Rouge. Keep in mind that there are 5 different airlines that fly to Baton Rouge on a routine basis, so you have a few additional options to choose from.

Cheap Montana to Baton Rouge flight deals and tips

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

Fastest flight time

7h 34m

Direct flights

None
The fastest flight from Montana to Baton Rouge takes 7h 34m
There are no direct flights from Montana to Baton Rouge. There are no popular flight routes from Montana to Baton Rouge.
Search flight deals

Frequently asked questions about flying from Montana to Baton Rouge

  • When did momondo last update prices for flights from Montana to Baton Rouge Ryan Airport?

    Prices for flights from Montana to Baton Rouge Ryan Airport refresh daily.

  • How old do you have to be to fly from Montana to Baton Rouge Ryan Airport?

    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 Baton Rouge Ryan Airport.

  • What documentation or ID do you need to fly to Baton Rouge Ryan Airport?

    The required travel and health documents for your Baton Rouge Ryan Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Baton Rouge Ryan Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Baton Rouge?

Book flights to Baton Rouge if you plan to visit one of these locations
Denham Springs
Port Allen
McComb
Saint Francisville

Why use momondo?

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

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

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

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

How can momondo help me find flights from Montana to Baton Rouge?

momondo helps you find the best flight between Montana and Baton Rouge by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Montana to Baton Rouge right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Montana to Baton Rouge now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Baton Rouge and let you know when they change.

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