C$349 Cheap Flights from Montgomery Dannelly Fld (MGM) to St Louis (STL)

Compare Montgomery Dannelly Fld to St Louis flight deals

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Flight deals from Montgomery Dannelly Fld to St Louis

Looking for a cheap last-minute deal or the best return flight from Montgomery Dannelly Fld Airport to St Louis Airport? If you want to travel next month, return fares start from C$405. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Montgomery Dannelly Fld to St Louis from C$349 one-way

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Montgomery Dannelly Fld to St Louis flights are currently cheapest in June.

Montgomery Dannelly Fld to St Louis: Alternative routes

Compare routes from Montgomery Dannelly Fld to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

Montgomery to St Louis: Flight information

The things to know before you go.
Cheapest flight foundC$349
Cheapest month to flyJune

Finding cheap flights from Montgomery Dannelly Fld to St Louis: Frequently asked questions

The best price we found for a return flight from Montgomery Dannelly Fld to St Louis is C$405. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Montgomery Dannelly Fld to St Louis. But we found flights with one or more stops from C$405.
As of May 2026, there are no flights flying from Montgomery Dannelly Fld to St Louis.
The cheapest month to fly from Montgomery Dannelly Fld to St Louis is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Montgomery Dannelly Fld Airport to St Louis Airport on Tuesday, June 23, 2026.
No airlines currently offer direct flights between Montgomery Dannelly Fld Airport and St Louis Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to St Louis but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to St Louis.

Flying from Montgomery Regional Airport-Dannelly Field (MGM) to Lambert-St. Louis International Airport (STL): what you need to know

  • If you're flying during a peak month like August, get to the airport even earlier. It's smart to arrive up to four hours before international flights and two hours ahead of domestic departures. Check-in and security lines are longer during peak periods like Thanksgiving, Christmas and New Year.

  • If you prefer a stopover for your flight from Montgomery Regional Airport-Dannelly Field to Lambert-St. Louis International Airport, just uncheck 'Direct flights only' and look at all your options. These are the popular stopovers between MGM and STL:

    • Charlotte Douglas International Airport

    • Dallas/Fort Worth International Airport

    • Hartsfield-Jackson Atlanta International Airport

How to find the cheapest flights from Montgomery Regional Airport-Dannelly Field (MGM) to Lambert-St. Louis International Airport (STL)

  • The lowest price we've seen for a one-way ticket from Montgomery Regional Airport-Dannelly Field to Lambert-St. Louis International Airport is C$349. For a return flight on this route, the best price is C$405. Depending on the availability when you book, these fares could change.

  • It's a good idea to book early if you want to get cheap flight tickets from MGM to STL. That's because airlines adjust prices based on demand, which tends to increase closer to the date of departure.

  • The 'Whole month' search function shows you the cheapest flight tickets from Montgomery Regional Airport-Dannelly Field to Lambert-St. Louis International Airport across the entire month. It's an easy way to find a bargain if your trip dates aren't set in stone.

  • Sign into your online account or use the app to create a Price Alert. You'll get notified straight away if there's a better deal on this route. It's simple to do, and it'll save you the hassle of searching for cheap flight tickets from MGM to STL every day.

  • Tailor your trip using filters. Select your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from Montgomery Regional Airport-Dannelly Field to Lambert-St. Louis International Airport.

Handy information about Montgomery Regional Airport-Dannelly Field (MGM)

Arriving at Lambert-St. Louis International Airport (STL)

Getting from Lambert-St. Louis International Airport (STL) to central St Louis

  • Lambert-St. Louis International Airport is approximately 26 kilometres from the center of St Louis. With your own car rental or if you're catching a cab, the drive is around 21 minutes.

  • If you're using public transport, expect a journey of about 36 minutes.

When to fly to Lambert-St. Louis International Airport (STL)

  • It's time to pick your travel dates for your flight from Montgomery Regional Airport-Dannelly Field to Lambert-St. Louis International Airport. July is the most popular month to visit St Louis. If you prefer a more relaxed vibe, go in April.

  • Before locking in your flight from Montgomery Regional Airport-Dannelly Field to Lambert-St. Louis International Airport, think about the type of weather you like. July is the warmest month in St Louis, with temperatures ranging from 17ºC to 33ºC.

  • January sees average temperatures of between -8ºC and 7ºC. Look for cheap flight tickets from MGM to STL sometime then if you like cooler conditions.

More about St Louis

Complete your St Louis trip with hotels and a car rental

  • You've booked your cheap ticket to Lambert-St. Louis International Airport — next up is finding a great place to stay, and maybe even a set of wheels. We've compared prices across hundreds of companies to bring you the top hotels and car rental deals in St Louis.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.