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 August.

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 foundR 1,455
Cheapest month to flyAugust
Average flight time1 hr, 50 mins
Most popular airlineAlaska Airlines
Average flights per week300

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 R 2,915. 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 50 minutes is the average flight time from Buffalo Niagara to Chicago.
Alaska Airlines, American Airlines and Southwest Airlines fly direct from Buffalo Niagara to Chicago.
As of May 2025, there are 300 flights per week flying from Buffalo Niagara to Chicago.
The cheapest month to fly from Buffalo Niagara to Chicago is usually August.
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 R 2,915.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to Chicago on Saturday, 30 August 2025.
Yes – the average flight time is 1 hour and 50 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 May, the average temperature is usually around 13°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, Frontier Airlines and United offer the cheapest flight tickets to Chicago.

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

  • Book a direct flight from Buffalo Niagara International Airport to Chicago and you'll be in the air for an average of 1 hour 40 minutes.

  • Buffalo Niagara International Airport is located in Buffalo. Following the UTC-5 timezone, Chicago is one hour behind Buffalo.

  • The most popular route is from Buffalo Niagara International Airport (BUF) to O'Hare International Airport (ORD). You can choose from 48 services every week between these two airports. If you'd like to take off as soon as possible, the earliest flight from BUF to ORD is the 05:06 American Airlines option. If you're planning to fly out later on, the last departure is at 18:56 with American Airlines.

  • Give yourself enough time to get on your BUF to Chicago flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • Longer lines at check-in and security are more likely if you're travelling during high season, so allow a little extra breathing room. A good rule of thumb for peak times? Arrive up to four hours early for international flights and at least two hours for domestic departures.

  • Begin your trip at BUF and travel nonstop to O'Hare International Airport (ORD). That's where you can expect to touch down when searching for Buffalo Niagara International Airport to Chicago tickets.

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

  • Located around 13 kilometres from central Buffalo, BUF can be reached in about 20 minutes by car, depending on traffic. Travelling on public transport takes roughly 1 hour 15 minutes.

  • Booked an early flight from Buffalo Niagara International Airport to Chicago? Avoid rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these stays near BUF:

  • When it comes to the on-time performance of Buffalo Niagara International Airport, data shows 75.46% of flights complete their journey on time.

  • You'll find BUF at Genesee Street.

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

  • R 1,455 is currently the best price for a one-way Buffalo Niagara International Airport to Chicago flight. A return flight ticket starts from R 2,915. These fares may change based on availability.

  • Book one month before flying. Pricing trends suggest that this is the ideal window for finding cheap flights from BUF to Chicago.

  • Schedule your trip for May. That's the best month for landing an incredible deal on Buffalo Niagara International Airport to Chicago tickets. If you're flexible on when you fly, use the 'Whole month' tool to access the lowest price across each month.

  • There's no need to keep looking every day to see if fares have dropped when you set up a Price Alert. We'll let you know the moment there's an even bigger deal on cheap flights from BUF to Chicago.

  • Tailor your flights with filters. Select your ideal arrival and departure times, total journey duration and airlines. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Buffalo Niagara International Airport to Chicago.

Airports in Chicago

O'Hare International Airport (ORD)

  • O'Hare International Airport (ORD) is around 40 kilometres from central Chicago. If you're opting for a ride-share or a cab, the drive takes about 35 minutes.

  • If you're travelling by public transport, expect a journey time of around 55 minutes.

  • If you're coming in on a late flight from Buffalo Niagara International Airport to Chicago, few things beat the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and relaxing not long after at one of these hotels near ORD:

  • Begin your adventure by picking up an O'Hare International Airport rental car. Grab your wheels from Routes Car Rentals, Dollar or Budget and experience the lesser-explored corners of Chicago and beyond.

  • Lock in the best rate by reserving your vehicle from O'Hare International Airport about four weeks before your flight from BUF to Chicago.

  • ORD is located at 10000 West O'Hare.

Chicago Midway International Airport (MDW)

  • After your flight from Buffalo Niagara International Airport to Chicago has landed, you can reach the city centre in about 20 minutes by car. Central Chicago is roughly 19 kilometres from Chicago Midway International Airport (MDW).

  • If you're catching public transport, it'll take about 45 minutes.

  • After stepping off your BUF to Chicago flight, kick back at a hotel close to MDW. These are some great accommodation options that'll help you get into relaxation mode:

  • Forget about inconvenient public transport schedules or slow-moving cab lines. Grab a Chicago Midway International Airport rental car and go in any direction that inspires you. Check out the availability and rates from Dollar, Hertz and Budget.

  • Lock in the best price by reserving your ride from MDW four weeks in advance. You'll also have access to a bigger selection of vehicles.

  • The address for Chicago Midway International Airport is 5700 South Cicero.

Chicago Rockford International Airport (RFD)

  • Hop off your flight from Buffalo Niagara International Airport to Chicago and go straight to your hotel or start sightseeing right away. Central Chicago is around 137 kilometres from Chicago Rockford International Airport (RFD) and typically takes 1 hour 25 minutes to reach by car.

  • Public transport will get you there in about 4 hours 15 minutes.

  • If you don't want to make your way into the centre, find a hotel near RFD. Check in to one of these stays after your BUF to Chicago flight:

  • Be in control of the next part of your journey with a Chicago Rockford International Airport rental car. Budget, Alamo and National are reliable rental providers.

  • If you prefer a particular type of vehicle, booking early gives you a better shot at getting exactly what you want. Reserve your ride from RFD at least a few weeks ahead of your flight from Buffalo Niagara International Airport to Chicago.

  • Chicago Rockford International Airport can be found at 2 Airport Cir.

Best time to go to Chicago

  • Before booking your flights from Buffalo Niagara International Airport to Chicago, consider which time of year is best for you. High season in Chicago offers a bustling atmosphere and plenty of things to do, while the off-season means you'll get better hotel deals and smaller crowds.

  • The warmest month in Chicago is July, with temperatures ranging between 15ºC (59ºF) and 29ºC (84ºF). Book your Buffalo Niagara International Airport to Chicago flight ticket then if that's your definition of good weather.

  • Look for cheap tickets from BUF to Chicago in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -12ºC (10ºF) and 3ºC (37ºF) on average.

More about Chicago

Explore more of United States

  • Columbus is just one of the many places in United States waiting to be explored once you've seen Chicago. Around 451 kilometres away to the south-east, well-known attractions include Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

  • If you're looking to explore another great destination in United States, head for Indianapolis, roughly 257 kilometres south-east of Chicago. The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo are highlights.

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