Cheap Flights from Louisville (SDF) to Niagara Falls (IAG)

Popular airlines from Louisville Intl. Airport (SDF) to Niagara Falls, NY (IAG-Niagara Falls Intl.)

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Alternative airports near Niagara Falls

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Buffalo Niagara Intl. BUF. Cheapest option available. Average driving time to city center is 34 minutes. Flights from $401
BUF
Buffalo Niagara Intl.
Cheapest
Average driving time to city center34 min
Flights from $401

Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Niagara Falls Intl. Airport (IAG) cost?
Grab a cheap one-way flight or cheap return flight from Louisville Intl. Airport (SDF) to Niagara Falls Intl. Airport (IAG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Louisville Intl. Airport (SDF) to Niagara Falls Intl. Airport (IAG)?
The cheapest month to fly from SDF to IAG is , when demand is low. Off-peak season is usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Niagara Falls Intl. Airport (IAG)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SDF to IAG flight.
How many flights per day from Louisville Intl. Airport (SDF) to Niagara Falls Intl. Airport (IAG)?
Nonstop flights from Louisville Intl. Airport (SDF) to Niagara Falls Intl. Airport (IAG) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SDF to IAG?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Louisville Intl. Airport (SDF) to Niagara Falls Intl. Airport (IAG)?
To avoid possible delays on the Louisville Intl. Airport (SDF) to Niagara Falls Intl. Airport (IAG) route, aim to travel before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Louisville Intl. Airport (SDF) to Niagara Falls Intl. Airport (IAG) last-minute?
Last-minute bookings from SDF to IAG are usually more expensive. For the best prices, start looking for flights ahead of time. That said, if your travel plans are flexible, you may land a cheap ticket right before you leave.
Is it cheaper to book a SDF to IAG flight and hotel package?
Compared with arranging flights and hotels separately, booking a SDF to IAG flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place takes the hassle out of travel planning. Simply secure your flights and select from our extensive range of hotels, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Niagara Falls Intl. Airport (IAG)?
If you booked your SDF to IAG flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Origin airport
Louisville Intl.
Destination airport
Niagara Falls Intl.
Distance
491 mi

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Louisville to Niagara Falls Flights

The cheapest times to fly from Louisville to Niagara Falls

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Louisville to Niagara Falls are during the month of . You can find some of the cheapest flights from Louisville to Niagara Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Louisville to Niagara Falls

Sunday is one of the best days to book for cheap flights from Louisville to Niagara Falls: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Louisville to Niagara Falls

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Louisville to Niagara Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Louisville to Niagara Falls flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Louisville to Niagara Falls airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Louisville to Niagara Falls Flights

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