Cheap Flights from Decatur (DEC) to Niagara Falls (IAG)

Popular airlines from Decatur, IL (DEC) to Niagara Falls, NY (IAG-Niagara Falls Intl.)

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Frequently asked questions

How much does a flight from Decatur Airport (DEC) to Niagara Falls Intl. Airport (IAG) cost?
Snag a cheap one-way flight or cheap return flight from Decatur Airport (DEC) to Niagara Falls Intl. Airport (IAG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Decatur Airport (DEC) to Niagara Falls Intl. Airport (IAG)?
The cheapest month to fly from DEC to IAG is , when there's less demand. Off-peak season is often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Decatur Airport (DEC) to Niagara Falls Intl. Airport (IAG)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest DEC to IAG flight.
How many flights per day from Decatur Airport (DEC) to Niagara Falls Intl. Airport (IAG)?
Direct flights from Decatur Airport (DEC) 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 dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DEC to IAG?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can change depending on the time of year, 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 Decatur Airport (DEC) to Niagara Falls Intl. Airport (IAG)?
Book a flight from Decatur Airport (DEC) to Niagara Falls Intl. Airport (IAG) that leaves before 3 PM to reduce the risk of cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 Decatur Airport (DEC) to Niagara Falls Intl. Airport (IAG) last-minute?
Last-minute fares from DEC to IAG are typically more expensive. For the lowest prices, start searching for flights ahead of time. That being said, if your travel plans are flexible, it's possible to score a cheap fare right before you leave.
Is it cheaper to book a DEC to IAG flight and hotel package?
Compared with arranging flights and hotels separately, booking a DEC to IAG flight and hotel package with Expedia could result in significant savings. Better still, having everything in one place will take the hassle out of planning your trip. Just secure your flights and choose from our extensive range of hotels, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Decatur Airport (DEC) to Niagara Falls Intl. Airport (IAG)?
Typically, it's possible to reschedule or cancel your DEC to IAG flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Decatur
Destination airport
Niagara Falls Intl.
Distance
561 mi

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Decatur to Niagara Falls Flights

The cheapest times to fly from Decatur 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 Decatur to Niagara Falls are during the month of . You can find some of the cheapest flights from Decatur to Niagara Falls with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Decatur 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 Decatur 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 Decatur to Niagara Falls in 2026. 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 Decatur 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 Decatur 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.

 

Decatur to Niagara Falls Flights

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*Available to One Key members.