$136 Find Cheap Flights from Chicago O'Hare Airport to Buffalo - Compare and Save

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.

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

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

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 travelers should check the fare details before booking.

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

• Economy Class
• First Class

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 $373 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 Airbus A319 family is used most often on this route, operated mainly by American Airlines and United Airlines. Other aircraft seen on the route include Boeing 737-800 variants.

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

• New York John F Kennedy Intl (JFK) - 50% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 31% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) - 19% of one-stop connections

New York John F Kennedy Intl (JFK) handles the largest share of one-stop connections on this route.

On the Chicago O'Hare Intl Airport to Buffalo route, being flexible with your departure day can save you up to 29%. Saturday is the cheapest day at $338 round-trip on average, while Monday is the most expensive at $470: a $132 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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%.

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 8:16 am
• Latest: departs at 11:55 pm and lands at 1:42 am.

The flight takes about 1h 47m.

Last-minute fares on this route - booked within 2 weeks of departure - run 46% above the route average of $366. Book 25 weeks before departure for the lowest fares.

A nonstop flight from Chicago O'Hare Intl Airport to Buffalo takes 1h 47m, 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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $245 to $1,014. That means the highest observed fare was about 4x higher than the lowest one.

One-way fares from Chicago O'Hare Intl Airport to Buffalo are currently lower than usual. Average one-way flight prices are about $162, which is 30% below the typical average for this route.

Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 4h 09m, compared with 6h 48m 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.

Buffalo Airport (BUF) hosts 5 major car rental companies, with daily rates starting from around $19 for economy cars. Top options include:
• Dollar
• Budget
• Hertz
• Alamo
• Thrifty

Round-trip flights from Chicago O'Hare Intl Airport to Buffalo range from $303 to $473, with an average of $366 over the past 12 months. Anything below $303 counts as a good deal.

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

• • American Airlines
• • JetBlue