Cheap Flights from Chicago O'Hare International to Buffalo Niagara

Compare Chicago O'Hare International 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 O'Hare International to Buffalo Niagara

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International Airport to Buffalo Niagara Airport? If you want to travel next month, return fares start from Rs64,037. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago O'Hare International to Buffalo Niagara

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

Direct flights from Chicago O'Hare International to Buffalo Niagara

Chicago O'Hare International to Buffalo Niagara: Alternative routes

Compare routes from Chicago O'Hare International 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 foundRs25,376
Cheapest month to flyAugust
Average flight time1 hr, 45 mins
Most popular airlineAmerican Airlines
Average flights per week327

Finding cheap flights from Chicago O'Hare International to Buffalo Niagara: Frequently asked questions

The best price we found for a return flight from Chicago O'Hare International to Buffalo Niagara is Rs64,037. 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 45 minutes is the average flight time from Chicago O'Hare International to Buffalo Niagara.
American Airlines, Alaska Airlines and Republic Airways fly direct from Chicago O'Hare International to Buffalo Niagara.
As of June 2026, there are 327 flights per week flying from Chicago O'Hare International to Buffalo Niagara.
The cheapest month to fly from Chicago O'Hare International to Buffalo Niagara is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Buffalo Niagara Airport on Wednesday, 15 July 2026.
Yes – the average flight time is 1 hour and 45 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.
Currently, Frontier Airlines and American Airlines offer the cheapest flight tickets to Buffalo Niagara.

Flying from O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF): what you need to know

  • Hop on a direct flight from O'Hare International Airport to Buffalo Niagara International Airport and you'll be travelling for an average of 1 hour 40 minutes.

  • Every week, there are 263 O'Hare International Airport to Buffalo Niagara International Airport flights. To be on board as soon as possible, pick the 07:22 United Airlines flight. If you're eager to make the most of your day before you fly, the last flight is at 21:21 with United Airlines.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to catch your ORD to BUF flight.

  • During popular months like August, it's best to get to the airport earlier. Plan to arrive two hours before domestic departures and four hours ahead of international flights whenever you're flying during a peak period in general.

  • Jetting into Buffalo (and then exploring more of United States!) is a snap with American Airlines. This popular carrier has direct flights from O'Hare International Airport to Buffalo Niagara International Airport.

  • American Airlines is the airline most travellers choose to fly with on this route.

  • The most punctual carrier offering ORD to BUF flights is American Airlines. Its services arrive without delay 77.07% of the time.

  • If you'd like to include a stop along the way, simply uncheck 'Direct flights only' when searching for your ticket from O'Hare International Airport to Buffalo Niagara International Airport. Here are the most popular stopovers between ORD and BUF:

    • Detroit Metropolitan Wayne County Airport

    • Baltimore/Wash International Thurgood Marshall Airport

    • Washington Dulles International Airport

How to find the cheapest flights from O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF)

  • The cheapest price we've seen for a one-way O'Hare International Airport to Buffalo Niagara International Airport flight is Rs25,376. A return fare right now is Rs63,805. Depending on the availability when you book, these fares may change.

  • Book seven months before your departure date. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from ORD to BUF.

  • June is the cheapest month for flights from O'Hare International Airport to Buffalo Niagara International Airport. If you need to travel at a different time of year, the 'Whole month' tool will show you the lowest airfares for every month.

  • Finding cheap flights from ORD to BUF is easy with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch as soon as there's a better deal.

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

Handy information about O'Hare International Airport (ORD)

  • You'll find ORD at 10000 West O'Hare.

  • 74.85% of flights departing from O'Hare International Airport reach their destination on time.

  • O'Hare International Airport is around 40 kilometres from central Chicago. If you're driving, ride-sharing or catching a cab from the centre, it'll take 35 minutes or so to get there, depending on the traffic.

  • You can expect a journey time of roughly 55 minutes on public transport.

  • Get your trip off to a hassle-free start by staying near ORD. Whether you've booked an early flight from O'Hare International Airport to Buffalo Niagara International Airport or just don't like being rushed, these stays are perfect:

Arriving at Buffalo Niagara International Airport (BUF)

  • The last thing you want is a long trip to your hotel if you're arriving on a late O'Hare International Airport to Buffalo Niagara International Airport flight. Reserve one of these accommodation options near BUF instead:

  • Pick up a Buffalo Niagara International Airport rental car and discover Buffalo and beyond with your own wheels. Dollar, Hertz and Budget are leading providers to choose from here.

  • To get the lowest price, reserve your vehicle from Buffalo Niagara International Airport around two weeks before travelling.

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

  • BUF is located at Genesee Street.

  • From Buffalo Niagara International Airport, Buffalo is approximately 18 kilometres away. It takes around 20 minutes to reach the centre by car.

  • Travelling to the centre on public transport takes roughly 1 hour 15 minutes.

When to fly to Buffalo Niagara International Airport (BUF)

  • The quietest month for a flight from O'Hare International Airport to Buffalo Niagara International Airport is May, while August is the busiest. Pick the ideal time to visit Buffalo based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Lock in your flight from O'Hare International Airport to Buffalo Niagara International Airport for July if you'd like to go to Buffalo during its warmest month. You can expect temperatures of between 15ºC and 28ºC.

  • January sees average temperatures of between -10ºC and 2ºC. Search for cheap tickets from ORD to BUF sometime around then if you want to travel when it's cooler.

Explore more of United States

  • You've visited Buffalo, now it's time to explore other corners of United States. Journey around 467 kilometres south-east to New York to check off its must-visit sights. From Statue of Liberty to Central Park and Empire State Building, your itinerary will be busy.

  • Philadelphia is another standout destination in United States and is around 451 kilometres south-east of Buffalo. No trip is complete without a visit to Liberty Bell, Independence Hall and Philadelphia Museum of Art.

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