Cheap Flights from Buffalo Niagara to Chicago

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Flight deals from Buffalo Niagara to Chicago

Looking for a cheap last-minute deal or the best return flight from Buffalo Niagara to Chicago? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Buffalo Niagara to Chicago

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Buffalo Niagara to Chicago flights are currently cheapest in June.

Direct flights from Buffalo Niagara to Chicago

Alternative Buffalo Niagara to Chicago routes

Looking for the cheapest, fastest or easiest route from Buffalo Niagara to Chicago? You could fly into the following airports instead.

Buffalo to Chicago: Flight information

The things to know before you go.
Cheapest flight found67 €
Cheapest month to flyJune
Average flight time1 hr, 50 mins
Most popular airlineAmerican Airlines
Average flights per week306

Finding cheap flights from Buffalo Niagara to Chicago: Frequently asked questions

There are 4 airports in Chicago: Chicago Midway, Chicago O'Hare International, Chicago Dupage County, and Chicago Rockford.
The best price we found for a return flight from Buffalo Niagara to Chicago is 67 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 49 minutes is the average flight time from Buffalo Niagara to Chicago.
American Airlines, Alaska Airlines and Southwest Airlines fly direct from Buffalo Niagara to Chicago.
As of April 2025, there are 306 flights per week flying from Buffalo Niagara to Chicago.
The cheapest month to fly from Buffalo Niagara to Chicago is usually April 2025.
If you're flying from Buffalo Niagara Airport, the cheapest airport near Chicago is Chicago Midway – which is 14.5 km away from the centre of Chicago. We've found flights into this airport from 67 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to Chicago on Thursday, 5 June 2025.
Yes – the average flight time is 1 hour and 49 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 8°C. July is typically the warmest month in Chicago, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is August.
Currently, Southwest Airlines offers the cheapest flight tickets to Chicago.

Flying from Buffalo Niagara International Airport (BUF) to Chicago: what you need to know

  • Hop on a direct flight from Buffalo Niagara International Airport to Chicago and you'll be in the air for around 1 hour 40 minutes.

  • The timezone in Chicago is UTC-5. The city is 1 hour behind Buffalo, where Buffalo Niagara International Airport is located.

  • The most popular route is from Buffalo Niagara International Airport (BUF) to O'Hare International Airport (ORD). You can select from 197 weekly services between these two airports. If you'd like to get going as soon as possible, the earliest flight from BUF to ORD is the 06:46 American Airlines service. If you're planning to fly out later on, the last departure is at 18:30 with American Airlines.

  • Give yourself plenty of time to catch your flight from BUF to Chicago. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • Getting on a plane during a peak time like August? Popular seasons (like Thanksgiving, Christmas/New Year and spring break) can add another hour at check-in and security. Play things extra safe and arrive up to four hours before an international flight and two hours before domestic departures.

  • You can catch a direct flight from Buffalo Niagara International Airport to Chicago. Begin your journey at BUF and touch down at O'Hare International Airport (ORD).

  • Top airlines that offer direct flights from Buffalo Niagara International Airport to Chicago include:

  • Once you've booked cheap tickets from Buffalo Niagara International Airport to Chicago, get your travel documents in order. A visa or passport isn't required since you're travelling within United States. As long as you have another valid proof of identity, such as a driver's licence or an ID card, you're all set.

  • Located around 18 kilometres from central Buffalo, BUF can be reached in approximately 21 minutes by car, depending on traffic. The journey on public transport will take roughly 1 hour and 15 minutes.

  • Want a hassle-free start to your trip? Stay near BUF. Whether you have an early flight from Buffalo Niagara International Airport to Chicago or just don't like being rushed, these hotels have you covered:

How to find the cheapest flights from Buffalo Niagara International Airport (BUF) to Chicago

  • 33 € is the lowest price we've seen for a one-way ticket from Buffalo Niagara International Airport to Chicago. For a return flight on this route, the best price is 67 €. Depending on when you want to go and the availability, these fares could change.

  • Book 9 months before flying. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from BUF to Chicago.

  • The cheapest month for tickets from Buffalo Niagara International Airport to Chicago is May. Compare prices using the 'Whole month' tool and choose the date that offers the best deal.

  • Sign into your online account or use the app to create a Price Alert. You'll get notified straight away if there's a better deal on this route. It's easy to do, and it'll save you from checking for cheap tickets from BUF to Chicago every day.

  • Use the filters to tailor your flights from Buffalo Niagara International Airport to Chicago. Simply select your ideal departure and arrival times, airlines and number of stops. Alternatively, sort your results by 'Cheapest' to get the best deals.

Airports in Chicago

O'Hare International Airport (ORD)

Chicago Midway International Airport (MDW)

Best time to go to Chicago

  • August is the most popular month for flights from Buffalo Niagara International Airport to Chicago. To steer clear of the crowds, head to Chicago in February when things are quieter.

  • The warmest month in Chicago is July, with the temperature ranging between 15ºC and 29ºC. Lock in your flights from Buffalo Niagara International Airport to Chicago in this month if you enjoy this type of weather.

  • If you want cooler conditions, search for a cheap flight from BUF to Chicago in January when temperatures average between -12ºC and 3ºC.

More about Chicago

  • When it comes to searching for somewhere to lay your head, you'll find the best stays in Chicago right here. Explore these hotels after you've booked your flight from Buffalo Niagara International Airport to Chicago:

  • Millennium Park and Art Institute of Chicago are a couple of major attractions to add to your Chicago travel itinerary. Keep the momentum going by heading to LandShark Beer Garden at Navy Pier.

Complete your Chicago trip with a car rental

  • Select one of our car rentals in Chicago and explore the city on your own terms. Easily compare rates in one place to find the ideal ride after booking your hotel and cheap flights from Buffalo Niagara International Airport to Chicago.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.