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

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Frequently asked questions

Is it cheaper to buy a plane ticket from Lambert Field to IAG last minute?
When it comes to booking your flights, being prepared pays dividends. While it's possible to pick up a deal on a STL to Niagara Falls Intl. Airport (IAG) flight at the last minute, prices usually don't get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days in advance. For international trips it's between three and four months.
What airports do you fly into for Niagara Falls from St. Louis?
With Niagara Falls Intl. Airport (IAG), Buffalo Niagara Intl. Airport (BUF) and Billy Bishop Toronto City Airport (YTZ) to pick from, making your way from St. Louis to Niagara Falls is a breeze. The city's major hub, Niagara Falls Intl. Airport (IAG), is roughly 10 kilometers east of the downtown area. Along with the price of tickets, consider factors like bus or train options from the airport and the distance to your hotel before deciding where you'll get off the plane. Get your Niagara Falls vacation off on the right foot by discovering Bridal Veil Falls and Aquarium of Niagara.
Can I change the date of my flight from STL to IAG?
Plans can get upended, so Expedia is here to help make things easy. First, access your Lambert Field to Niagara Falls Intl. Airport itinerary through the Expedia Trips portal and look up the ticket rules about what changes are allowed. If you purchased your ticket in the last 24 hours, some airlines will allow you to cancel for free and book new flights. If you booked more than 24 hours ago, get in touch with us via our Customer Service portal so we can help you further.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Niagara Falls Intl.
Distance
1067 km

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