Cheap Flights from Buffalo Niagara Airport to Illinois from 121 € Return

Flight deals from Buffalo Niagara Airport to Illinois

Looking for cheap tickets from Buffalo Niagara Airport to Illinois, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Chicago.121 € per passenger.Departing Sat, 1 Nov, returning Mon, 3 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sat, 1 Nov, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Mon, 3 Nov, arriving in Buffalo Niagara.Price includes taxes and charges.From 121 €, select.

Chicago.200 € per passenger.Departing Tue, 28 Oct, returning Tue, 4 Nov.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Buffalo Niagara on Tue, 28 Oct, arriving in Chicago Midway.Inbound direct flight with Southwest Airlines departs from Chicago Midway on Tue, 4 Nov, arriving in Buffalo Niagara.Price includes taxes and charges.From 200 €, select.

Moline.253 € per passenger.Departing Wed, 8 Oct, returning Sun, 12 Oct.Return flight with United.Outbound indirect flight with United, departs from Buffalo Niagara on Wed, 8 Oct, arriving in Moline.Inbound indirect flight with United, departs from Moline on Sun, 12 Oct, arriving in Buffalo Niagara.Price includes taxes and charges.From 253 €, select.

Peoria.273 € per passenger.Departing Wed, 8 Oct, returning Sun, 12 Oct.Return flight with United.Outbound indirect flight with United, departs from Buffalo Niagara on Wed, 8 Oct, arriving in Greater Peoria.Inbound indirect flight with United, departs from Greater Peoria on Sun, 12 Oct, arriving in Buffalo Niagara.Price includes taxes and charges.From 273 €, select.

Quincy.465 € per passenger.Departing Thu, 9 Oct, returning Fri, 10 Oct.Return flight with Frontier Airlines and Southern Airways Express.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Thu, 9 Oct, arriving in Quincy.Inbound indirect flight with Southern Airways Express, departs from Quincy on Fri, 10 Oct, arriving in Buffalo Niagara.Price includes taxes and charges.From 465 €, select.

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Flying from Buffalo Niagara Airport to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	121 €
Cheapest month to fly	November
Average flight time	1 hr, 54 mins
Average flights per week	276
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 121 € and one-way tickets from 62 €. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in November

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

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 Midway 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 121 € is the best price. This is good, compared to the average Illinois ticket price of 262 €.

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

The cheapest month to fly from Buffalo Niagara Airport to Moline Airport is currently October.
The cheapest month to fly from Buffalo Niagara Airport to Greater Peoria Airport is currently October.
The cheapest month to fly from Buffalo Niagara Airport to Quincy Airport is currently October.
And the cheapest month to fly from Buffalo Niagara Airport to Chicago Midway Airport is usually October.

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 Saturday, 1 November 2025.

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.