Cheap Flights from St. Louis (STL) to Niagara Falls (IAG)

Popular airlines from Lambert-St. Louis International Airport (STL) to Niagara Falls, NY (IAG-Niagara Falls Intl.)

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Flight from St. Louis to Niagara Falls (STL - IAG) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Niagara Falls Intl.
Distance
1067 km

St. Louis to Niagara Falls Flights

The easy way to book your flights from St. Louis to Niagara Falls 

With Expedia, it’s simple to find and book flights to Niagara Falls from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Niagara Falls Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Niagara Falls today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Niagara Falls Intl., IAG 

Sort your search results by price to find great deals on your flight from St. Louis to Niagara Falls—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Niagara Falls from St. Louis currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Niagara Falls  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Niagara Falls from St. Louis 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Niagara Falls with Expedia today.

Frequently asked questions

How much is a flight from STL to IAG?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip flight between St. Louis Lambert International Airport and IAG was . Cheap tickets don’t last long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert Field to IAG?
This can vary between airlines, as each has its own set of terms and conditions. Head to the Customer Service Portal, where you’ll find easy-to-follow instructions on how to cancel your flight online.
How do I find cheap flights from STL to Niagara Falls Intl. Airport (IAG) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for St. Louis Lambert International Airport to Niagara Falls Intl. Airport (IAG) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Lambert-St. Louis Intl. Airport (STL) to Niagara Falls Intl. Airport?
You can forget about a movie marathon on this flight — it’s only 1,100 kilometers from St. Louis to Niagara Falls. Find your seat, get comfortable and you’ll be touching down before you know it.
Which airlines fly direct from St. Louis Lambert International Airport to Niagara Falls Intl. Airport?
There are no direct flights, so you’ll need to make at least one stop between St. Louis Lambert International Airport and Niagara Falls Intl. Airport (IAG). Take advantage of the layover time to stretch your legs and grab a coffee.
Are Lambert-St. Louis Intl. Airport (STL) to IAG flight tickets cheaper when they're purchased at the last minute?
Fares from STL to IAG are available up to 12 months before departure on Expedia. And although you may occasionally score great last-minute deal, it’s not something you should count on. Also, booking your flights in advance means you’ll have more options — and you can avoid getting stuck in the dreaded middle seat! We regularly update our fares to bring you the best bargains, so check back often for all the latest specials.

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*Available to Expedia members.