Cheap Flight Tickets from Chicago (ORD) to Buffalo (BUF), Starting at $265

Good to Know: Cheapest and Fastest ORD - BUF Flights

Useful information for finding best airline tickets from Chicago O'Hare International to Buffalo Niagara International on your next trip.

Cheapest Round Trip Flight

$265

AA American Airlines • 1 stop • 12h 4m

Sep 24 – Sep 27

The cheapest round trip flight from Chicago to Buffalo (ORD-BUF-ORD) is currently $265

🔍 Search Flights

Cheapest Direct Flight

$340

AA American Airlines • nonstop • 2h 33m

Sep 24

The cheapest nonstop flight from Chicago to Buffalo (ORD-BUF) is currently $340

🔍 Search Flights

Fastest Flight

1m

The fastest nonstop flight from Chicago to Buffalo (ORD-BUF) takes 1m

Top Airlines Flying from Chicago to Buffalo

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Latest Flight Deals from Chicago (ORD) to Buffalo (BUF)

Compare and book low fare round-trip air tickets from Chicago to Buffalo. Ideal for travelers with confirmed return itineraries.

Sep 24 - Sep 27, Economy
AA
Chicago → Buffalo
12h 4m
8:50 AM - 5:14 PM • 1 stop
AA
Chicago → Buffalo
3h 30m
12:09 PM - 1:19 PM • nonstop
$265
American Airlines
Sep 24 - Sep 27, Economy
DL
Chicago → Buffalo
18h 56m
11:17 AM - 11:53 PM • 1 stop
DL
Chicago → Buffalo
8h 37m
6:20 AM - 10:37 AM • 1 stop
$310
Delta Airlines
Sep 24 - Sep 27, Economy
AA
Chicago → Buffalo
7h 31m
10:30 AM - 4:21 PM • 1 stop
AA
Chicago → Buffalo
7h 13m
5:37 AM - 9:10 AM • 1 stop
$441
American Airlines
Sep 24 - Sep 27, Economy
F9
Chicago → Buffalo
25h 20m
3:50 PM - 8:10 AM • 2 stops
B6
Chicago → Buffalo
55h 36m
2:23 PM - 10:59 PM • 2 stops
$518
Frontier Airlines
Sep 24 - Sep 27, Economy
F9
Chicago → Buffalo
42h 37m
8:55 PM - 11:52 PM • 2 stops
F9
Chicago → Buffalo
18h 30m
12:49 PM - 10:59 PM • 1 stop
$658
Frontier Airlines
Sep 24 - Sep 27, Economy
UA
Chicago → Buffalo
11h 53m
10:54 AM - 7:07 PM • 1 stop
UA
Chicago → Buffalo
2h 39m
10:46 AM - 11:45 AM • nonstop
$660
United Airlines

Fly from Chicago to Buffalo with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Chicago to Buffalo? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Chicago to Buffalo Flights

What are the airports in Chicago?
MDW,ORD
What’s the most popular airline flying from ORD to BUF?
The most popular airline flying from Chicago to Buffalo are
Can I fly from ORD to BUF non-stop?
Yes, you can fly ORD to BUF non-stop on
Which airlines fly nonstop between Chicago and Buffalo?
The non-stop flights between Chicago and Buffalo are .
What’s the earliest departure time from ORD to BUF Airport?
The earliest flight leaves ORD at 7:00 am and lands in BUF - Buffalo Niagara International
What are the airports in Buffalo?
BUF
Can I make changes to my Chicago to Buffalo flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ORD to BUF?
Read the fare rules of the Chicago to Buffalo air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Chicago and Buffalo?
operate flights between Chicago and Buffalo
How long does a flight from Chicago to Buffalo take?
It takes approximately 2 hour to fly non-stop from ORD to BUF, which is 473.24 miles by air.
Which airlines provide the cheapest flights from Chicago (ORD) to Buffalo (BUF) ?
In the past couple of days, the cheapest tickets to BUF from ORD were found on F9 : USD 518
Do I need a passport to fly between ORD and BUF?
No
What’s the latest departure time from ORD to BUF ?
The last flight leaves ORD at 8:55 pm

Essential Information for Booking Flights from Chicago (ORD) - AI Insights

What's the cheapest airline from ord to buf?
You can find budget-friendly flights from Chicago O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF) on Frontier Airlines. With a Premium Economy cabin, you'll enjoy enhanced comfort and amenities. Booking in advance is recommended, as 26 days prior to your trip will likely result in the lowest fares.
What's the popular airline to fly from ord to buf?
You can fly from Chicago O'Hare International Airport (ord) to Buffalo Niagara International Airport (buf) on American Airlines (AA), offering a premium economy class with enhanced comfort. Book your flight in advance, ideally 26 days prior to your trip, for the best airfare rates. This route is available as a one-way trip, perfect for your July travel plans.
What's the cheapest day of the week to fly from ord to buf?
The cheapest day to fly from Chicago O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF) is Sunday. Flying on Sundays can result in lower airfares, making it a budget-friendly option for your one-way trip. With 26 days of advance booking, you can secure the best available flights.
What's the cheapest month to fly from ord to buf?
The cheapest month to fly from Chicago O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF) is November. Booking in advance can help you secure a budget-friendly flight.
Which airline/airlines fly from ord to buf?
The airlines that fly from Chicago O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF) include JetBlue Airways, Volaris Airline, Icelandair, Southwest Airlines, Delta Airlines, Alaska Airlines, Sun Country Airlines, Frontier Airlines, United Airlines, and Viva Aerobus. You can find the cheapest flights on our website for a premium economy experience with enhanced comfort and amenities.
What is the best airfare to fly from Chicago O'Hare International Airport to Buffalo Niagara International Airport?
You can find the cheapest flights on fareleaders.com, where you can compare airfares and book your flight with airlines like Frontier Airlines, American Airlines, or JetBlue Airways.
Are there any airlines that offer Premium Economy seats with enhanced comfort and amenities?
Yes, some airlines like Volaris Airline, Icelandair, and Sun Country Airlines offer Premium Economy seats on their flights.
What is the advance booking period for one-way trips on fareleaders.com?
You can book your flight up to 26 days in advance for a one-way trip.
How can I look up flight schedules and availability on your airplant website?
Please visit our website at fareleaders.com and use our flight search tool to find the best flights for your travel dates.
Can I find deals on flights via July booking on your website?
Yes, you can find deals on flights booked in July by using our fare comparison tool and filtering your results by departure date.
How can I book my flight to Milwaukee with the cheapest airline options on fareleaders.com?
You can compare airfares for flights to Milwaukee on our website and book your flight with the cheapest airline option.

Chicago (ORD) to Buffalo (BUF): Airport Information

Origin Airport Chicago O'Hare International , Chicago, US
Destination Airport Buffalo Niagara International , Buffalo, US
Distance 473 miles

More Flight Options for Chicago (ORD) and Buffalo (BUF)

Why Fareleaders for ORD to BUF Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Chicago to Buffalo flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on ORD to BUF flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Chicago to Buffalo flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Chicago (ORD) to Buffalo (BUF)
Terms and Conditions*