Cheap Flights from Buffalo Niagara Airport to Illinois from 86 € 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.86 € per passenger.Departing Tue, 14 Oct, returning Sat, 18 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Buffalo Niagara on Tue, 14 Oct, arriving in Chicago Midway.Inbound indirect flight with Southwest Airlines, departs from Chicago Midway on Sat, 18 Oct, arriving in Buffalo Niagara.Price includes taxes and charges.From 86 €, select.

Chicago.100 € per passenger.Departing Tue, 14 Oct, returning Sat, 18 Oct.Return flight with United.Outbound direct flight with United departs from Buffalo Niagara on Tue, 14 Oct, arriving in Chicago O'Hare International.Inbound direct flight with United departs from Chicago O'Hare International on Sat, 18 Oct, arriving in Buffalo Niagara.Price includes taxes and charges.From 100 €, select.

Peoria.549 € per passenger.Departing Sun, 27 Jul, returning Thu, 31 Jul.Return flight with United.Outbound indirect flight with United, departs from Buffalo Niagara on Sun, 27 Jul, arriving in Greater Peoria.Inbound indirect flight with United, departs from Greater Peoria on Thu, 31 Jul, arriving in Buffalo Niagara.Price includes taxes and charges.From 549 €, select.

Flying from Buffalo Niagara Airport to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	86 €, Chicago
Cheapest month to fly	October
Average flight time	1 hr, 51 mins
Average flights per week	223
Most popular airline	Alaska 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 86 € and one-way tickets from 39 €. 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.

Fly on a Saturday

From our data, we can see that Saturday seems to be the cheapest time to fly from Buffalo Niagara Airport to Illinois.

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 Buffalo Niagara 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 86 € is the best price. This is good, compared to the average Illinois ticket price of 207 €.

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

The cheapest month to fly from Buffalo Niagara Airport to Greater Peoria Airport is currently July.
The cheapest month to fly from Buffalo Niagara Airport to Chicago Midway Airport is currently October.
And the cheapest month to fly from Buffalo Niagara Airport to Chicago O'Hare International 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 Tuesday, 14 October 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 Midway.