To save up to 41% on this flight, we recommend booking at least 53 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Buffalo to Illinois from $253 1-2 weeks out and tickets from $253 for flights departing within the next 72 hours.
Flights from Buffalo to Illinois lean towards being more expensive in February. Prices are generally better when you fly from Buffalo to Illinois in September, with the cheapest ticket starting at $94.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Buffalo to Illinois as you normally would.
Fly from
Fly to
Budget
$95 - $262
Route
Depart
Return
Price
BuffaloChicago O'Hare Intl
BUF - ORD
BUFORD
Buffalo
Wed 5/29
1 stop4h 59m
Chicago O'Hare Intl
Wed 6/5
1 stop4h 45m
BuffaloChicago O'Hare Intl
BUF - ORD
BUFORD
Buffalo
Fri 5/31
1 stop4h 59m
Chicago O'Hare Intl
Wed 6/5
1 stop4h 45m
BuffaloLambert-St Louis
BUF - STL
BUFSTL
Buffalo
Tue 6/4
1 stop11h 42m
Lambert-St Louis
Thu 6/6
1 stop24h 53m
BuffaloChicago O'Hare Intl
BUF - ORD
BUFORD
Buffalo
Thu 9/5
1 stop14h 14m
Chicago O'Hare Intl
Tue 9/10
1 stop12h 02m
BuffaloChicago O'Hare Intl
BUF - ORD
BUFORD
Buffalo
Thu 6/20
1 stop8h 29m
Chicago O'Hare Intl
Wed 6/26
1 stop13h 52m
BuffaloChicago O'Hare Intl
BUF - ORD
BUFORD
Buffalo
Thu 9/26
1 stop8h 21m
Chicago O'Hare Intl
Sat 9/28
1 stop19h 46m
BuffaloChicago O'Hare Intl
BUF - ORD
BUFORD
Buffalo
Sat 10/19
1 stop5h 25m
Chicago O'Hare Intl
Mon 10/21
1 stop5h 00m
BuffaloChicago O'Hare Intl
BUF - ORD
BUFORD
Buffalo
Fri 5/31
Nonstop1h 52m
Chicago O'Hare Intl
Wed 6/5
Nonstop1h 36m
BuffaloChicago O'Hare Intl
BUF - ORD
BUFORD
Buffalo
Thu 9/26
Nonstop1h 51m
Chicago O'Hare Intl
Sat 9/28
Nonstop1h 41m
No data available for this route at this time. Please check back soon.
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Paid a lot for our exit row seats and they weren’t that roomy.
1%of flight departures | Early morningMidnight to 6 am |
---|---|
70%of flight departures | Morning6 am to noon |
26%of flight departures | AfternoonNoon to 6 pm |
3%of flight departures | Evening6 pm to midnight |
Cheapflights helps you search for flights from Buffalo to Illinois via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Buffalo to Illinois.
Need flexible booking options for your flight to Illinois from Buffalo? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Of course! You can now track prices for flights from Buffalo to Illinois and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.