Find Cheap Flights from Chicago to Buffalo (CHI - BUF)

Flights overview

Useful information for finding cheap flights from Chicago to Buffalo and booking your next trip

Cheapest round-trip flights	$110	Frontier 1 stop 6 hr Thu, Jan 22 — Mon, Jan 26	The cheapest round-trip flight from Chicago to Buffalo is currently $110
Cheapest one-way flight	$55	Frontier 1 stop 6 hr Thu, Feb 5	The cheapest one-way flight from Chicago to Buffalo is currently $55
Cheapest nonstop flights	$239	American Nonstop 2 hr Thu, Nov 20 — Sun, Nov 23	The cheapest nonstop round-trip flight from Chicago to Buffalo is currently $239
Last-minute weekend getaway	$239	American Nonstop 2 hr Thu, Nov 20 — Sun, Nov 23	The cheapest last-minute weekend getaway from Chicago to Buffalo is currently $239
Cheapest business class flights	$408	American Nonstop 2 hr Thu, Nov 20 — Sun, Nov 23	The cheapest business class round-trip flight from Chicago to Buffalo is currently $408

Fastest flight	1 hr 25 min	The fastest nonstop flight from Chicago to Buffalo takes 1 hr 25 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Chicago to Buffalo is typically January. The most expensive month to fly is typically July.

January Cheapest	Typical prices: $125–315
July Most expensive	Typical prices: $200–295

Popular airlines from Chicago to Buffalo

Southwest

Nonstop

from $259

Typical price: $265–480

13 weekly nonstop flights

MDW - BUF Every day

1518 weekly connecting flights

MDW, ORD - BUF Every day
United

Nonstop

from $271

Typical price: $250–460

28 weekly nonstop flights

ORD - BUF Every day

316 weekly connecting flights

ORD - BUF Every day
American

Nonstop

from $239

Typical price: $245–455

24 weekly nonstop flights

ORD - BUF Every day

457 weekly connecting flights

ORD - BUF Every day
Delta

from $269

Typical price: $285–530

388 weekly connecting flights

MDW, ORD - BUF Every day
Frontier

from $110

Typical price: $165–485

40 weekly connecting flights

MDW, ORD - BUF Every day
JetBlue

from $209

Typical price: $280–750

36 weekly connecting flights

ORD - BUF Every day

Popular airports near Chicago

Chicago O'Hare International Airport (ORD)

Chicago United States 31 min 16 mi
Chicago Midway International Airport (MDW)

Chicago United States 26 min 9 mi
Milwaukee Mitchell International Airport (MKE)

Milwaukee United States 1 hr 28 min 75 mi
Indianapolis International Airport (IND)

Indianapolis United States 2 hr 58 min 165 mi

Popular airports near Buffalo

Buffalo Niagara International Airport (BUF)

Buffalo United States 24 min 8 mi
Toronto Pearson International Airport (YYZ)

Toronto Canada 1 hr 37 min 66 mi
Frederick Douglass Greater Rochester International Airport (ROC)

Rochester United States 1 hr 12 min 63 mi
Cleveland Hopkins International Airport (CLE)

Cleveland United States 3 hr 7 min 183 mi

Frequently asked questions about flying from Chicago to Buffalo

When are the cheapest days to fly from Chicago to Buffalo?

The cheapest flights from Chicago to Buffalo are usually in January. Typical ticket prices in January range from $125 to $315.

Which airlines provide the cheapest flights from Chicago to Buffalo?

The cheapest round-trip flight from Chicago to Buffalo recently found on Google Flights was with Frontier from $110. The cheapest one-way flight was with Frontier from $55.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Chicago to Buffalo is $259, flying from Jan 17 to Jan 18.
The cheapest United flight from Chicago to Buffalo is $271, flying from Jan 24 to Jan 25.
The cheapest American flight from Chicago to Buffalo is $239, flying from Nov 20 to Nov 23.
The cheapest Delta flight from Chicago to Buffalo is $269, flying from Jan 17 to Jan 18.
The cheapest Frontier flight from Chicago to Buffalo is $110, flying from Jan 22 to Jan 26.
The cheapest JetBlue flight from Chicago to Buffalo is $209, flying from Feb 5 to Feb 8.

What are the cheapest flights from Chicago to Buffalo?

The cheapest round-trip flight from Chicago to Buffalo starts at $110 from Thu, Jan 22 to Mon, Jan 26. The cheapest one-way flight starts at $55 and departs on Thu, Feb 5.

How long does it take to fly from Chicago to Buffalo?

1 hr 25 min is the shortest flight time from Chicago to Buffalo.

When should you fly to Buffalo, United States?

Most visitors arrive May–Aug, when the weather is warm and mostly dry. Winters (Nov–Mar) are cold with heavy and occasionally extreme snowfall. Local events include the Allentown Art Festival (Jun), Taste of Buffalo food festival (Jul) and the National Buffalo Wing Festival (Sep).

How do I find cheap dates to fly from Chicago to Buffalo?

It's easy to use Google Flights to find the cheapest days to fly from Chicago to Buffalo.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What is the best airline to fly from Chicago to Buffalo?

What counts as the best airline for your flights from Chicago to Buffalo really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Chicago to Buffalo.

In terms of nonstop flights, United is the most popular. United offers 28 nonstop flights and 316 connecting flights per week. United flies from Chicago O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF) .

In terms of flights, Southwest is the most popular. Southwest offers 13 nonstop flights and 1,518 connecting flights per week. Southwest flies from Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF) .

Other popular airlines flying from Chicago to Buffalo are:

American offers 24 nonstop flights and 457 connecting flights per week. American flies from Chicago O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF) .
Delta offers 388 connecting flights per week. Delta flies from Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF) .
Frontier offers 40 connecting flights per week. Frontier flies from Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF) .
JetBlue offers 36 connecting flights per week. JetBlue flies from Chicago O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF) .

The number of connecting flights refers to distinct flights with at least one stop between Chicago and Buffalo.

Which airlines provide the cheapest flights from Chicago to Buffalo?

The cheapest round-trip flight from Chicago to Buffalo recently found on Google Flights was with Frontier from $110. The cheapest one-way flight was with Frontier from $55.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from Chicago to Buffalo is $259, flying from Jan 17 to Jan 18.
The cheapest United flight from Chicago to Buffalo is $271, flying from Jan 24 to Jan 25.
The cheapest American flight from Chicago to Buffalo is $239, flying from Nov 20 to Nov 23.
The cheapest Delta flight from Chicago to Buffalo is $269, flying from Jan 17 to Jan 18.
The cheapest Frontier flight from Chicago to Buffalo is $110, flying from Jan 22 to Jan 26.
The cheapest JetBlue flight from Chicago to Buffalo is $209, flying from Feb 5 to Feb 8.

Which airlines have direct flights from Chicago to Buffalo?

Southwest, United and American fly direct from Chicago to Buffalo.

There are 13 Southwest direct flights from Chicago to Buffalo per week. Flights are available every day.
There are 28 United direct flights from Chicago to Buffalo per week. Flights are available every day.
There are 24 American direct flights from Chicago to Buffalo per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

Which airline provides the cheapest last-minute getaway flight from Chicago to Buffalo?

The cheapest last-minute deal between Chicago and Buffalo at price $239 is offered by American from Thu, Nov 20 to Sun, Nov 23.

Which airlines have direct flights from Chicago to Buffalo?

Southwest, United and American fly direct from Chicago to Buffalo.

There are 13 Southwest direct flights from Chicago to Buffalo per week. Flights are available every day.
There are 28 United direct flights from Chicago to Buffalo per week. Flights are available every day.
There are 24 American direct flights from Chicago to Buffalo per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

When are direct flights from Chicago to Buffalo available?

There are direct flights from Chicago to Buffalo on a daily basis.

What are the cheapest direct flights from Chicago to Buffalo?

The cheapest direct (nonstop) round-trip flights between Chicago and Buffalo start at $239 from Thu, Nov 20 to Sun, Nov 23 with American.

How can I find nonstop flights from Chicago to Buffalo?

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Chicago to Buffalo, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

What are the cheapest business class flights from Chicago to Buffalo?

The cheapest business class round-trip flights between Chicago and Buffalo start at $408 from Thu, Nov 20 to Sun, Nov 23 with American.

What are the cheapest economy class flights from Chicago to Buffalo?

The cheapest economy class round-trip flights between Chicago and Buffalo start at $110 from Thu, Jan 22 to Mon, Jan 26.

How can I book business class trips from Chicago to Buffalo?

To book business class trips from Chicago to Buffalo, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

Are there any last-minute deals from Chicago to Buffalo next weekend?

The best last-minute getaway deal for the next weekend between Chicago and Buffalo starts at $239 from Thu, Nov 20 to Sun, Nov 23 with American.

Which airline provides the cheapest last-minute getaway flight from Chicago to Buffalo?

The cheapest last-minute deal between Chicago and Buffalo at price $239 is offered by American from Thu, Nov 20 to Sun, Nov 23.

How can I find last-minute flight deals from Chicago to Buffalo?

To find last-minute flight deals from Chicago to Buffalo, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.