Cheap Flights from Chicago (CHIA) to Niagara Falls (IAG)

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Compare Chicago to Niagara Falls flight deals

Find the cheapest month or even day of the year to fly to Niagara Falls

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Find the cheapest month to fly from Chicago to Niagara Falls

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago to Niagara Falls flights are currently cheapest in June.

Chicago to Niagara Falls: Alternative routes

Compare routes from Chicago to Niagara Falls below. You may find an airport to fly into that's cheaper, faster, or easier than Niagara Falls.

Chicago to Niagara Falls: Flight information

The things to know before you go.
Cheapest flight found$179
Cheapest month to flyJune

Finding cheap flights from Chicago to Niagara Falls: Frequently asked questions

The best price we found for a round-trip flight from Chicago to Niagara Falls is $269. 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 Chicago to Niagara Falls. But we found flights with one stop from $269.
There are no flights flying from Chicago to Niagara Falls, as of June 2025.
The cheapest month to fly from Chicago to Niagara Falls is usually June 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Niagara Falls Airport on Thursday, July 3, 2025.
No airlines currently offer direct flights between Chicago and Niagara Falls 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 Niagara Falls 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 Niagara Falls is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Niagara Falls is Allegiant Air.

Flying from Chicago to Niagara Falls International Airport (IAG): what you need to know

  • Countless great adventures start at one of Chicago's main airports, O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW). Explore the options for booking a flight from Chicago to Niagara Falls International Airport (IAG) departing from either of these.

  • The timezone in Niagara Falls is UTC-4, which is 1 hour ahead of Chicago. Niagara Falls International Airport is located in Niagara Falls.

  • Your flight from Chicago to IAG won't wait if you're late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're traveling internationally.

  • With more travelers during busy periods like August, be at your terminal even earlier. Two hours for domestic flights and up to four for international journeys will allow extra time for delays. Remember things also get busy during major holidays like Fourth of July.

Airports in Chicago

O'Hare International Airport (ORD)

Chicago Midway International Airport (MDW)

About Niagara Falls International Airport (IAG)

Getting from Niagara Falls International Airport (IAG) to central Niagara Falls

  • Niagara Falls International Airport is approximately 6 miles from central Niagara Falls. With a car rental or if you're catching a cab, the drive is around 14 minutes.

  • When traveling by public transport, expect a journey of around 53 minutes.

How to find the cheapest flights from Chicago to Niagara Falls International Airport (IAG)

  • $179 is the cheapest price we've found for a one-way ticket from Chicago to Niagara Falls International Airport. Return flights start from $269. Prices may vary depending on availability at the time of booking.

  • It's a good idea to book ahead of time if you want to get cheap tickets from Chicago to IAG. That's because flight prices are based on demand, which tends to rise closer to the departure date.

  • Use the 'Whole month' tool to compare the prices of tickets from Chicago to Niagara Falls International Airport across each month. We've made the lowest fares green, so you can easily choose a flight within your budget.

  • Locking in a cheap ticket from Chicago to IAG couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as there's a better deal.

  • Tailor your flights with filters. Choose your departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Chicago to Niagara Falls International Airport.

The best time to fly from Chicago to Niagara Falls International Airport (IAG)

  • July is the most popular month for flights from Chicago to Niagara Falls International Airport. To skip the crowds, plan your trip to Niagara Falls in February when it's quieter.

  • The warmest month in Niagara Falls is July, with the temperature ranging between 59ºF and 81ºF. Book your flights from Chicago to IAG in this month if this is the type of weather you enjoy.

  • January has average temperatures of between 16ºF and 36ºF. Search for cheap flights from Chicago to Niagara Falls International Airport sometime then if you want to travel when it's cooler.

More about Niagara Falls

  • After booking your flight from Chicago to Niagara Falls International Airport, think about where you want to stay in this city. Make one of these options your base for exploring Niagara Falls:

  • There are so many things to discover in this city it can be hard to know where to begin. Aquarium of Niagara, Whirlpool State Park and Niagara Wine Trail are major attractions which should be on every Niagara Falls itinerary.

Complete your Niagara Falls trip with a car rental

  • After you've booked your hotel and cheap flight from Chicago to Niagara Falls International Airport, your next task is choosing one of our car rentals in Niagara Falls. Check out the exclusive deals and easily compare your options on price, fuel policies, and more.

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