Flights from Buffalo to Illinois

Flight deals from Buffalo to Illinois

Looking for a cheap last-minute deal or the best return flight from Buffalo to Illinois? If you want to travel next month, return fares start from Rs45,711. Find the lowest prices on one-way and return tickets right here.

Flying from Buffalo to Illinois

Arm yourself with these facts on the fly.
Cheapest flight foundRs17,837
Cheapest month to flyJuly
Average flight time1 hr, 54 mins
Cheapest airport to fly fromBuffalo Niagara
Most popular airlineAmerican Airlines

Frequently asked questions

We looked at all of the upcoming return flights from Buffalo to Illinois we could find over the next 12 months. It looks like Rs40,958 is the best price. This is good, compared to the average Illinois ticket price of Rs112,421.
The cheapest month to fly from Buffalo to Greater Peoria Airport is usually May. The cheapest month to fly from Buffalo to Moline Airport is usually May. The cheapest month to fly from Buffalo to Central Illinois Regional Airport is usually May. And the cheapest month to fly from Buffalo 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 to Illinois on Sunday, 31 May 2026.
Buffalo Niagara Airport offers direct flights to Illinois.
If you're flying from Buffalo, 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 and Illinois is 1 hour and 54 minutes.