Cheap flights from Montana to St. Louis (STL)

BZN — STL
Dec 13 — Dec 201

How far in advance should I book a flight from Montana to St. Louis?

Travelers have found it’s best to book a flight 61 days in advance to save up to 39% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Montana to St. Louis 1-2 weeks in advance for as low as $495, or $627 for flights within the next 24 hours.

What is the cheapest month to fly from Montana to St. Louis?

The best pricing can be found in the month of September. Prices to St. Louis from Montana average $491. You can even find prices in September for less than $491, as users have found deals to St. Louis from as low as $339. The month of July appears to be one of the more expensive times to travel to St. Louis from Montana. Flying in the targeted month can save you up to 61%.

When is the cheapest time to fly from Montana to St. Louis (MT - STL)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montana to St. Louis as you normally would.

Cheap flights from Montana to St. Louis in December, January 2022

The best prices found for Montana to STL flights for December, January
Jan 15 - Jan 19
BZN

Bozeman Gallatin Field

STL

Lambert-St Louis

1 stop

9h 20m
STL

Lambert-St Louis

BZN

Bozeman Gallatin Field

2 stops

21h 12m
$230

Multiple Airlines

Pick Dates

Deal found 12/7

Jan 30 - Feb 9
BIL

Billings Logan Intl

STL

Lambert-St Louis

1 stop

11h 50m
STL

Lambert-St Louis

BIL

Billings Logan Intl

1 stop

25h 17m
$244

Multiple Airlines

Pick Dates

Deal found 12/6

Dec 11 - Dec 15
BZN

Bozeman Gallatin Field

STL

Lambert-St Louis

1 stop

15h 43m
STL

Lambert-St Louis

BZN

Bozeman Gallatin Field

1 stop

24h 52m
$252

Multiple Airlines

Pick Dates

Deal found 12/5

Montana to St. Louis 2022 flight deals

Cheap flights to St. Louis from Montana found for this year
Dec 11 - Dec 15
BZN

Bozeman Gallatin Field

STL

Lambert-St Louis

1 stop

15h 43m
STL

Lambert-St Louis

BZN

Bozeman Gallatin Field

1 stop

24h 52m
$252

Multiple Airlines

Pick Dates

Deal found 12/5

Dec 16 - Dec 19
BIL

Billings Logan Intl

STL

Lambert-St Louis

1 stop

19h 32m
STL

Lambert-St Louis

BIL

Billings Logan Intl

2 stops

32h 17m
$269

Multiple Airlines

Pick Dates

Deal found 12/6

Dec 17 - Dec 19
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

11h 44m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

1 stop

23h 20m
$274

Multiple Airlines

Pick Dates

Deal found 12/7

Cheap United Airlines flights from Montana to St. Louis

Dec 20 - Jan 3
BZN

Bozeman Gallatin Field

STL

Lambert-St Louis

1 stop

6h 41m
STL

Lambert-St Louis

BZN

Bozeman Gallatin Field

1 stop

6h 18m
$338

United Airlines

Pick Dates

Deal found 12/6

Jan 7 - Jan 21
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

13h 09m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

1 stop

8h 47m
$394

United Airlines

Pick Dates

Deal found 12/6

Dec 30 - Jan 9
BZN

Bozeman Gallatin Field

STL

Lambert-St Louis

1 stop

5h 23m
STL

Lambert-St Louis

BZN

Bozeman Gallatin Field

2 stops

14h 27m
$395

United Airlines

Pick Dates

Deal found 12/7

Cheap Alaska Airlines flights from Montana to St. Louis

Jan 19 - Jan 24
BZN

Bozeman Gallatin Field

STL

Lambert-St Louis

2 stops

24h 32m
STL

Lambert-St Louis

BZN

Bozeman Gallatin Field

2 stops

14h 09m
$582

Alaska Airlines

Pick Dates

Deal found 12/5

Dec 18 - Dec 18
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

7h 42m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

1 stop

16h 32m
$1,475

Alaska Airlines

Pick Dates

Deal found 12/7

Last minute flights from Montana to St. Louis

Late deals on return flights to St. Louis from Montana, departing today and this week
Dec 16 - Dec 19
BIL

Billings Logan Intl

STL

Lambert-St Louis

1 stop

19h 32m
STL

Lambert-St Louis

BIL

Billings Logan Intl

2 stops

32h 17m
$269

Multiple Airlines

Pick Dates

Deal found 12/6

Dec 17 - Dec 19
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

11h 44m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

1 stop

23h 20m
$274

Multiple Airlines

Pick Dates

Deal found 12/7

Dec 17 - Dec 20
MSO

Missoula Johnson-Bell Field

STL

Lambert-St Louis

1 stop

11h 44m
STL

Lambert-St Louis

MSO

Missoula Johnson-Bell Field

1 stop

14h 16m
$324

Multiple Airlines

Pick Dates

Deal found 12/7

One-way flights to St. Louis from Montana

The cheapest one-way flights from Montana to St. Louis
Jan 23
BZN

Bozeman Gallatin Field

STL

Lambert-St Louis

1 stop

5h 18m
$154

Delta

Pick Dates

Deal found 12/8

Apr 27
BZN

Bozeman Gallatin Field

STL

Lambert-St Louis

1 stop

18h 06m
$160

American Airlines

Pick Dates

Deal found 12/7

Apr 23
BZN

Bozeman Gallatin Field

STL

Lambert-St Louis

2 stops

14h 42m
$192

Multiple Airlines

Pick Dates

Deal found 12/7

Related info for your journey

Useful info, stats and facts about Montana to St. Louis flights.

What airport do you fly into for flights to St. Louis from Montana?

Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Montana. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

Which airlines flying from Montana to Lambert-St Louis have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Montana to Lambert-St Louis that may be offering flexible cancellation policies are United Airlines, Delta, and American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Montana to St. Louis for under $300 on Cheapflights?

Yes, there are multiple flights from Montana to St. Louis for under $300. The cheapest flight booked recently is on Multiple Airlines for just $230, but on average you can expect to pay $329.

Are there last-minute flights available from Montana to St. Louis for under $300?

There are currently 20+ open flights from Montana to St. Louis within the next 7 days for less than $300.

What are the cheapest airlines to fly from Montana to St. Louis one-way?

The cheapest airlines for a one-way flight from Montana to St. Louis are Delta ($154), American Airlines ($160), and United Airlines ($247).

What are the most popular routes from Montana to St. Louis?

The most popular route from Montana to St. Louis is Bozeman Gallatin Field - Lambert-St Louis. You may also consider Billings Logan Intl - Lambert-St Louis or Missoula Johnson-Bell Field - Lambert-St Louis.

What are the most popular airlines that fly from Montana to St. Louis?

The most popular airlines flying from Montana to St. Louis are American Airlines, Delta and United Airlines. Something to consider prior to booking your flight.

What are the cheapest flights from Montana to St. Louis?

On average you can expect to pay $460 for a flight from Montana to St. Louis. The cheapest flight overall is $281 while the most popular route, (Bozeman Gallatin Field - Lambert-St Louis) is currently priced at $269.

Departure points for flights from Montana to St. Louis

Select to see more specific information for flights to St. Louis from all departure points in Montana

Top 3 airlines flying from Montana to St. Louis

The chart below displays the airlines Cheapflights users traveling from Montana to St. Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
DeltaCheapest$289Average$608FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
United AirlinesCheapest$301Average$619FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
American AirlinesCheapest$337Average$542FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights