Flights from Buffalo Niagara Airport to Illinois

Flight deals from Buffalo Niagara Airport to Illinois

Looking for a cheap last-minute deal or the best return flight from Buffalo Niagara Airport to Illinois? If you want to travel next month, return fares start from $337. Find the lowest prices on one-way and return tickets right here.

Chicago.$306 per passenger.Departing Thu, 20 Aug, returning Mon, 24 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Thu, 20 Aug, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Mon, 24 Aug, arriving in Buffalo Niagara.Price includes taxes and charges.From $306, select.

Moline.$434 per passenger.Departing Wed, 24 Jun, returning Tue, 30 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Wed, 24 Jun, arriving in Moline.Inbound indirect flight with Delta, departs from Moline on Tue, 30 Jun, arriving in Buffalo Niagara.Price includes taxes and charges.From $434, select.

Peoria.$476 per passenger.Departing Tue, 9 Jun, returning Sat, 13 Jun.Return flight with United.Outbound indirect flight with United, departs from Buffalo Niagara on Tue, 9 Jun, arriving in Greater Peoria.Inbound indirect flight with United, departs from Greater Peoria on Sat, 13 Jun, arriving in Buffalo Niagara.Price includes taxes and charges.From $476, select.

Bloomington.$643 per passenger.Departing Thu, 11 Jun, returning Mon, 15 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Thu, 11 Jun, arriving in Central Illinois Regional.Inbound indirect flight with Delta, departs from Central Illinois Regional on Mon, 15 Jun, arriving in Buffalo Niagara.Price includes taxes and charges.From $643, select.

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Flying from Buffalo Niagara Airport to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	$306
Cheapest month to fly	August
Average flight time	1 hr, 55 mins
Average flights per week	1,059
Most popular airline	American Airlines

How to find cheap flights from Buffalo Niagara Airport to Illinois

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Buffalo Niagara Airport to Illinois. Other savvy travellers recently found return flights from $306 and one-way tickets from $109. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in August

The cheapest time to fly from Buffalo Niagara Airport to Illinois is currently August.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Buffalo Niagara Airport to anywhere you choose in Illinois.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Buffalo Niagara Airport to your chosen airport in Illinois go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Illinois Airport to Illinois flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from Buffalo Niagara Airport to Illinois?

Yes - direct flights currently operate from Buffalo Niagara Airport to Chicago O'Hare International Airport in Illinois.

What is the average price of a flight from Buffalo Niagara Airport to Illinois?

We looked at all of the upcoming return flights from Buffalo Niagara Airport to Illinois we could find over the next 12 months. It looks like $306 is the best price. This is good, compared to the average Illinois ticket price of $465.

What is the cheapest month to fly from Buffalo Niagara Airport to Illinois?

The cheapest month to fly from Buffalo Niagara Airport to Chicago O'Hare International Airport is currently August.
The cheapest month to fly from Buffalo Niagara Airport to Central Illinois Regional Airport is currently June.
The cheapest month to fly from Buffalo Niagara Airport to Moline Airport is currently June.
And the cheapest month to fly from Buffalo Niagara Airport to Greater Peoria Airport is usually June.

Which upcoming date is cheapest to fly from Buffalo Niagara Airport to Illinois on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Buffalo Niagara Airport to Illinois on Thursday, 20 August 2026.

If I'm flying from Buffalo Niagara Airport, where in Illinois is cheapest to fly into?

If you're flying from Buffalo Niagara, the cheapest city in Illinois to fly into is Chicago. The cheapest airport serving Chicago at the moment is Chicago O'Hare International.