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Flights from Buffalo Niagara Airport to Illinois

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Flight deals from Buffalo Niagara Airport to Illinois

Looking for cheap flights from Buffalo Niagara Airport to Illinois, or a last-minute trip? Find the cheapest prices on one-way and round-trip flights right here.
Chicago.$160 per passenger.Departing Fri, May 9, returning Mon, May 12.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Buffalo Niagara on Fri, May 9, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departing from Chicago O'Hare International on Mon, May 12, arriving in Buffalo Niagara.Price includes taxes and charges.From $160, select.
Moline.$224 per passenger.Departing Sat, Apr 19, returning Wed, Apr 23.Round-trip flight with United.Outbound indirect flight with United, departing from Buffalo Niagara on Sat, Apr 19, arriving in Moline.Inbound indirect flight with United, departing from Moline on Wed, Apr 23, arriving in Buffalo Niagara.Price includes taxes and charges.From $224, select.
Peoria.$258 per passenger.Departing Tue, Apr 22, returning Sat, Apr 26.Round-trip flight with United.Outbound indirect flight with United, departing from Buffalo Niagara on Tue, Apr 22, arriving in Greater Peoria.Inbound indirect flight with United, departing from Greater Peoria on Sat, Apr 26, arriving in Buffalo Niagara.Price includes taxes and charges.From $258, select.
Bloomington.$437 per passenger.Departing Tue, Apr 22, returning Sat, Apr 26.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Buffalo Niagara on Tue, Apr 22, arriving in Central Illinois Regional.Inbound indirect flight with Delta, departing from Central Illinois Regional on Sat, Apr 26, arriving in Buffalo Niagara.Price includes taxes and charges.From $437, select.

Flying from Buffalo Niagara Airport to Illinois

Arm yourself with these facts on the fly.
Cheapest flight found$160, Chicago
Cheapest month to flyMay
Average flight time1 hr, 50 mins
Average flights per week884
Most popular airlineAlaska Airlines

Frequently asked questions

Yes – direct flights currently operate from Buffalo Niagara Airport to Chicago O'Hare International Airport in Illinois.
We looked at all of the upcoming round-trip flights from Buffalo Niagara Airport to Illinois we could find over the next 12 months. It looks like $160 is the best price. This is good, compared to the average Illinois ticket price of $265.
The cheapest month to fly from Buffalo Niagara Airport to Central Illinois Regional Airport is currently April.
The cheapest month to fly from Buffalo Niagara Airport to Greater Peoria Airport is currently April.
The cheapest month to fly from Buffalo Niagara Airport to Moline Airport is currently April.
And the cheapest month to fly from Buffalo Niagara Airport to Chicago O'Hare International Airport is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Buffalo Niagara Airport to Illinois on Friday, May 9, 2025.
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.
The average flight time between Buffalo Niagara Airport and Illinois is 1 hour and 49 minutes.

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