$104 Find Cheap Flights from Chicago O'Hare Airport to Buffalo - Compare and Save

These are the earliest and latest flight times available from Chicago O'Hare Intl Airport to Buffalo:

• Earliest: departs at 6:29 am and lands at 8:18 am
• Latest: departs at 11:55 pm and lands at 1:44 am.

The flight takes about 1h 49m.

Two cabin classes are available on flights from Chicago O'Hare Intl Airport to Buffalo:

• Economy Class
• First Class

A nonstop flight from Chicago O'Hare Intl Airport to Buffalo takes 1h 49m, covering 472 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Chicago O'Hare Intl Airport to Buffalo range from $309 to $476, with an average of $373 over the past 12 months. Anything below $309 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 43% above the $373 route average. Book 25 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $197 round-trip via New York John F Kennedy Intl (JFK), compared to $379 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 737-800 family is used most often on this route, operated mainly by United Airlines and American Airlines. Other aircraft seen on the route include Airbus A319 variants.

Morning is the busiest departure period on Chicago O'Hare Intl Airport to Buffalo flights, with 43% of flights leaving in that window. Afternoon departures account for 29%, evening flights for 28%, and night flights for 0%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $210 to $1,234. That means the highest observed fare was about 6x higher than the lowest one.

Two airlines offer in-flight Wi-Fi on Chicago O'Hare Intl Airport to Buffalo flights:

• American Airlines
• JetBlue

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

One-way fares from Chicago O'Hare Intl Airport to Buffalo are currently lower than usual. Average one-way flight prices are about $158, which is 32% below the typical average for this route.

Buffalo Airport (BUF) hosts 5 major car rental companies, with daily rates averaging $82 for economy cars. Top options include:

• Dollar
• Budget
• Hertz
• Thrifty
• Alamo

Flights from Chicago O'Hare Intl Airport to Buffalo usually depart from Chicago O'Hare Intl (ORD) and arrive at Buffalo (BUF).

One-stop flights from Chicago O'Hare Intl Airport to Buffalo most commonly connect through:

• New York John F Kennedy Intl (JFK) - 47% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 35% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) - 18% of one-stop connections

Yes. Flexible dates can save you up to 28% on flights from Chicago O'Hare Intl Airport to Buffalo. Wednesday is the cheapest departure day at $341 round-trip on average, while Monday is the most expensive at $470, a difference of $129.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

2 airlines operate flights between Chicago O'Hare Intl Airport and Buffalo. The airlines offering nonstop flights on this route include:

• United Airlines
• American Airlines

Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 4h 09m, compared with 6h 13m via Atlanta Hartsfield-Jackson (ATL) and 7h 01m via New York John F Kennedy Intl (JFK).

Buffalo is 1 hour ahead of Chicago O'Hare Intl Airport (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Among airlines operating Chicago O'Hare Intl Airport to Buffalo flights:

• United Airlines: offers extra legroom; offers free seat selection
• American Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Economy Class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.