Cheap Flights from Chicago to Buffalo Niagara

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Compare Chicago to Buffalo Niagara flight deals

Find the cheapest month or even day of the year to fly to Buffalo Niagara

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Flight deals from Chicago to Buffalo Niagara

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

Find the cheapest month to fly from Chicago to Buffalo Niagara

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

Direct flights from Chicago to Buffalo Niagara

Chicago to Buffalo Niagara: Alternative routes

Compare routes from Chicago to Buffalo below. You may find an airport to fly into that's cheaper, faster, or easier than Buffalo Niagara.

Chicago to Buffalo: Flight information

The things to know before you go.
Cheapest flight foundR 1,095
Cheapest month to flyMay
Average flight time1 hr, 34 mins
Most popular airlineAmerican Airlines
Average flights per week220

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

The best price we found for a return flight from Chicago to Buffalo Niagara is R 2,640. 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 34 minutes is the average flight time from Chicago to Buffalo Niagara.
American Airlines, Alaska Airlines and United fly direct from Chicago to Buffalo Niagara.
As of March 2025, there are 220 flights per week flying from Chicago to Buffalo Niagara.
The cheapest month to fly from Chicago to Buffalo Niagara is usually March 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Buffalo Niagara Airport on Wednesday, 2 April 2025.
Yes – the average flight time is 1 hour and 34 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 Buffalo Niagara 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 Buffalo is around 40 days in advance, so don’t leave your flight to the last minute.

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

  • Countless great adventures start at one of Chicago's main airports, O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW). Explore your options for booking a flight from Chicago to Buffalo Niagara International Airport (BUF) departing from either of these.

  • The average time for a direct flight from Chicago to Buffalo Niagara International Airport is 1 hour 40 minutes.

  • The timezone in Buffalo is UTC-4, which is 1 hour ahead of Chicago. Buffalo Niagara International Airport is located in Buffalo.

  • O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF) is the most popular route. There are 263 direct flights a week to choose from. If you prefer starting your day later, take the last flight with Southwest Airlines at 22:10. Go for the first ORD to BUF departure with United at 07:22 if you want to get going earlier.

  • To ensure you get on your flight from Chicago to BUF, leave enough time to navigate the airport and find your gate. Turning up two hours before international departures and one hour before domestic flights is the standard rule.

  • Popular months like August or high seasons such as Thanksgiving and Christmas/New Year will mean bigger queues at check-in and security. If you're travelling then, play it safe and head to the airport even earlier. Arriving two hours before domestic flights and up four hours ahead of an international flight is a smart move.

Airports in Chicago

O'Hare International Airport (ORD)

  • Get to your destination in one go from O'Hare International Airport (ORD). Direct flights from Chicago to Buffalo Niagara International Airport (BUF) can be booked from here.

  • You can lock in a direct flight from Chicago to Buffalo Niagara International Airport with American Airlines. This top carrier operates services from ORD.

  • ORD is about 40 kilometres from the centre of Chicago. To help you work out how to get there, use Google Maps. This handy travel app will show you the best route and available public transport options.

  • Want a convenient hotel near O'Hare International Airport? If you've booked an early flight from Chicago to Buffalo Niagara International Airport, these accommodation options will have you moments from your check-in counter:

Chicago Midway International Airport (MDW)

  • Chicago Midway International Airport (MDW) has direct flights from Chicago to Buffalo Niagara International Airport (BUF).

  • From MDW, direct flights from Chicago to BUF are available with United.

  • You can reach MDW from the centre of Chicago in approximately 21 minutes by car, depending on traffic conditions. The journey by public transport takes roughly 46 minutes to travel the 19 kilometres or so.

  • Want to enjoy an extra night away before catching your flight from Chicago to BUF? Relax in a hotel near Chicago Midway International Airport before your break officially begins. These stays are calling your name:

About Buffalo Niagara International Airport (BUF)

Getting from Buffalo Niagara International Airport (BUF) to central Buffalo

  • Buffalo Niagara International Airport is approximately 18 kilometres from the centre of Buffalo. With a car rental or if you're catching a cab, the drive is about 21 minutes.

  • It takes around 1 hour and 15 minutes if you're travelling on public transport.

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

  • The best price we've seen for a one-way ticket from Chicago to Buffalo Niagara International Airport is R 1,095. The cheapest price for a return flight is R 2,640. Keep in mind fares may change due to demand at the time of booking.

  • To secure cheap tickets from Chicago to BUF, reserve your journey 9 months ahead of your planned departure.

  • Plan your trip for June. That's the cheapest month for tickets from Chicago to Buffalo Niagara International Airport. If your travel dates are flexible, use the 'Whole month' tool to see the best price across each month.

  • Create a Price Alert and keep an eye on changes on this route through email or push notifications. You'll know straight away when prices fall. The right timing can be the key to finding cheap tickets from Chicago to BUF.

  • Use the filters to tailor your flights from Chicago to Buffalo Niagara International Airport. Pick your preferred arrival and departure times, number of stops and airlines. You can also sort your results by 'Cheapest' to find the best deals.

The best time to fly from Chicago to Buffalo Niagara International Airport (BUF)

  • May is the quietest time to travel to Buffalo. Alternatively, follow the crowds and visit in August. This is the busiest month for flights from Chicago to Buffalo Niagara International Airport, but the best time to go is your call.

  • Before booking a flight from Chicago to BUF, think about the type of weather you enjoy. July is the warmest month in Buffalo, with the temperature ranging from 15ºC to 28ºC.

  • If you want cooler conditions, lock in a cheap flight from Chicago to Buffalo Niagara International Airport in January when temperatures average between -10ºC and 2ºC.

More about Buffalo

  • After locking in your flight from Chicago to Buffalo Niagara International Airport, think about where to rest your head in this city. Make one of these accommodation options your base for exploring Buffalo:

  • There are so many things to do and see in this city it can be hard to figure out where to start. Buffalo City Hall, Albright-Knox Art Gallery and Canalside are highlights which should be on every Buffalo itinerary.

Complete your Buffalo trip with a car rental

  • Finding you a cheap flight from Chicago to Buffalo Niagara International Airport isn't our only party trick. Browse our car rentals in Buffalo and travel at your own pace. We find deals from trusted car rental providers and put them all in one place. Instantly compare offers and then book with no fees.

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