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Cheap flights from Montana to Baton Rouge from $381

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 Baton Rouge departing on 7/9. 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

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Find the cheapest flights from Montana to Baton Rouge

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:15 am - 8:06 pm
MSO
-
BTR
11h 51m
2 stops
Alaska Airlines Logo
11:14 am - 10:59 pm
BTR
-
MSO
12h 45m
2 stops
$634Alaska Airlines
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
6:15 am - 11:13 am
MSO
-
BTR
27h 58m
2 stops
United Airlines Logo
4:10 pm - 4:20 pm
BTR
-
MSO
25h 10m
2 stops
$655United Airlines
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
6:15 am - 9:28 pm
MSO
-
BTR
14h 13m
3 stops
United Airlines Logo
4:10 pm - 1:38 pm
BTR
-
MSO
22h 28m
2 stops
$706United Airlines
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
6:15 am - 9:28 pm
MSO
-
BTR
14h 13m
3 stops
United Airlines Logo
4:10 pm - 9:57 am
BTR
-
MSO
18h 47m
2 stops
$742United Airlines
Tue, Sep 1 - Sat, Sep 5

United Airlines flights from Montana to Baton Rouge

Our best United Airlines deals on Montana to Baton Rouge flight tickets
United Airlines
Sep 1
MSO6:15 amMissoula Johnson-Bell Field
27h 58m
2 stops
BTR11:13 amBaton Rouge Ryan
Sep 5
BTR4:10 pmBaton Rouge Ryan
25h 10m
2 stops
MSO4:20 pmMissoula Johnson-Bell Field
$655
United Airlines
Sep 1
MSO6:15 amMissoula Johnson-Bell Field
14h 13m
3 stops
BTR9:28 pmBaton Rouge Ryan
Sep 5
BTR4:10 pmBaton Rouge Ryan
22h 28m
2 stops
MSO1:38 pmMissoula Johnson-Bell Field
$706
United Airlines
Sep 1
MSO6:15 amMissoula Johnson-Bell Field
14h 13m
3 stops
BTR9:28 pmBaton Rouge Ryan
Sep 5
BTR4:10 pmBaton Rouge Ryan
18h 47m
2 stops
MSO9:57 amMissoula Johnson-Bell Field
$742

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 May 14, 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
Quickest round-trip

MissoulaBaton Rouge

MSO - BTR

MSOBTR

Missoula Johnson-Bell Field

Tue 9/1

7:15 am-8:06 pm

2 stops11h 51m

Baton Rouge Ryan

Sat 9/5

11:14 am-10:59 pm

2 stops12h 45m

$634

MissoulaBaton Rouge

MSO - BTR

MSOBTR

Missoula Johnson-Bell Field

Tue 9/1

6:15 am-11:13 am

2 stops27h 58m

Baton Rouge Ryan

Sat 9/5

4:10 pm-4:20 pm

2 stops25h 10m

$655

MissoulaBaton Rouge

MSO - BTR

MSOBTR

Missoula Johnson-Bell Field

Tue 9/1

6:15 am-9:28 pm

3 stops14h 13m

Baton Rouge Ryan

Sat 9/5

4:10 pm-1:38 pm

2 stops22h 28m

$706

MissoulaBaton Rouge

MSO - BTR

MSOBTR

Missoula Johnson-Bell Field

Tue 9/1

6:15 am-9:28 pm

3 stops14h 13m

Baton Rouge Ryan

Sat 9/5

4:10 pm-9:57 am

2 stops18h 47m

$742
Cheapest one-way
Quickest one-way

MissoulaBaton Rouge

MSO - BTR

MSOBTR

Missoula Johnson-Bell Field

Thu 7/9

2:08 pm-10:07 pm

1 stop6h 59m

$381

MissoulaBaton Rouge

MSO - BTR

MSOBTR

Missoula Johnson-Bell Field

Thu 7/9

2:04 pm-5:45 pm

2 stops26h 41m

$505

MissoulaBaton Rouge

MSO - BTR

MSOBTR

Missoula Johnson-Bell Field

Thu 7/9

6:05 am-5:34 pm

3 stops10h 29m

$615

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 is the cheapest airline that flies from Montana to Baton Rouge Ryan?

Alaska Airlines and United Airlines are the most popular carriers operating from Montana to Baton Rouge Ryan

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 62% 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

16h 49m

Direct flights

None
The fastest flight from Montana to Baton Rouge takes 16h 49m
There are no direct flights from Montana to Baton Rouge. There are no popular flight routes from Montana to Baton Rouge.
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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
McComb
Port Allen
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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