121 € Cheap Flights from Buffalo Niagara to Chicago

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Flight deals from Buffalo Niagara to Chicago

Looking for a cheap last-minute deal or the best return flight from Buffalo Niagara Airport to Chicago? If you want to travel next month, return fares start from 133 €. Find the lowest prices on one-way and return tickets right here.

Chicago.121 € per passenger.Departing Tue, 28 Apr, returning Wed, 29 Apr.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Tue, 28 Apr, arriving in Chicago Midway.Inbound indirect flight with Frontier Airlines, departs from Chicago Midway on Wed, 29 Apr, arriving in Buffalo Niagara.Price includes taxes and charges.From 121 €, select.

Chicago.133 € per passenger.Departing Wed, 13 May, returning Mon, 18 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Wed, 13 May, arriving in Chicago Midway.Inbound indirect flight with Frontier Airlines, departs from Chicago Midway on Mon, 18 May, arriving in Buffalo Niagara.Price includes taxes and charges.From 133 €, select.

Chicago.138 € per passenger.Departing Fri, 29 May, returning Mon, 1 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Fri, 29 May, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departs from Chicago Midway on Mon, 1 Jun, arriving in Buffalo Niagara.Price includes taxes and charges.From 138 €, select.

Chicago.161 € per passenger.Departing Thu, 30 Apr, returning Mon, 4 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Thu, 30 Apr, arriving in Chicago Midway.Inbound indirect flight with Frontier Airlines, departs from Chicago Midway on Mon, 4 May, arriving in Buffalo Niagara.Price includes taxes and charges.From 161 €, select.

Chicago.177 € per passenger.Departing Mon, 15 Jun, returning Mon, 22 Jun.Return flight with Frontier Airlines and Spirit Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Mon, 15 Jun, arriving in Chicago O'Hare International.Inbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Mon, 22 Jun, arriving in Buffalo Niagara.Price includes taxes and charges.From 177 €, select.

Chicago.199 € per passenger.Departing Thu, 6 Aug, returning Mon, 10 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Thu, 6 Aug, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Mon, 10 Aug, arriving in Buffalo Niagara.Price includes taxes and charges.From 199 €, select.

Chicago.200 € per passenger.Departing Fri, 24 Jul, returning Mon, 27 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Fri, 24 Jul, arriving in Chicago Midway.Inbound indirect flight with Frontier Airlines, departs from Chicago Midway on Mon, 27 Jul, arriving in Buffalo Niagara.Price includes taxes and charges.From 200 €, select.

Chicago.205 € per passenger.Departing Tue, 28 Apr, returning Wed, 29 Apr.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Buffalo Niagara on Tue, 28 Apr, arriving in Chicago Midway.Inbound direct flight with Southwest Airlines departs from Chicago Midway on Wed, 29 Apr, arriving in Buffalo Niagara.Price includes taxes and charges.From 205 €, select.

Chicago.206 € per passenger.Departing Tue, 19 May, returning Tue, 26 May.Return flight with United.Outbound direct flight with United departs from Buffalo Niagara on Tue, 19 May, arriving in Chicago O'Hare International.Inbound direct flight with United departs from Chicago O'Hare International on Tue, 26 May, arriving in Buffalo Niagara.Price includes taxes and charges.From 206 €, select.

Chicago.217 € per passenger.Departing Sat, 30 May, returning Tue, 2 Jun.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Buffalo Niagara on Sat, 30 May, arriving in Chicago Midway.Inbound direct flight with Southwest Airlines departs from Chicago Midway on Tue, 2 Jun, arriving in Buffalo Niagara.Price includes taxes and charges.From 217 €, select.

Chicago.229 € per passenger.Departing Thu, 30 Apr, returning Mon, 4 May.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Buffalo Niagara on Thu, 30 Apr, arriving in Chicago Midway.Inbound direct flight with Southwest Airlines departs from Chicago Midway on Mon, 4 May, arriving in Buffalo Niagara.Price includes taxes and charges.From 229 €, select.

Chicago.254 € per passenger.Departing Thu, 6 Aug, returning Tue, 11 Aug.Return flight with United.Outbound direct flight with United departs from Buffalo Niagara on Thu, 6 Aug, arriving in Chicago O'Hare International.Inbound direct flight with United departs from Chicago O'Hare International on Tue, 11 Aug, arriving in Buffalo Niagara.Price includes taxes and charges.From 254 €, select.

Chicago.262 € per passenger.Departing Mon, 22 Jun, returning Wed, 24 Jun.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Buffalo Niagara on Mon, 22 Jun, arriving in Chicago Midway.Inbound direct flight with Southwest Airlines departs from Chicago Midway on Wed, 24 Jun, arriving in Buffalo Niagara.Price includes taxes and charges.From 262 €, select.

Chicago.271 € per passenger.Departing Tue, 23 Jun, returning Thu, 2 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Buffalo Niagara on Tue, 23 Jun, arriving in Chicago O'Hare International.Inbound indirect flight with Delta, departs from Chicago O'Hare International on Thu, 2 Jul, arriving in Buffalo Niagara.Price includes taxes and charges.From 271 €, select.

Chicago.275 € per passenger.Departing Tue, 28 Jul, returning Sat, 1 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Tue, 28 Jul, arriving in Chicago Midway.Inbound indirect flight with Frontier Airlines, departs from Chicago Midway on Sat, 1 Aug, arriving in Buffalo Niagara.Price includes taxes and charges.From 275 €, select.

Chicago.301 € per passenger.Departing Tue, 21 Jul, returning Sat, 25 Jul.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Buffalo Niagara on Tue, 21 Jul, arriving in Chicago Midway.Inbound direct flight with Southwest Airlines departs from Chicago Midway on Sat, 25 Jul, arriving in Buffalo Niagara.Price includes taxes and charges.From 301 €, select.

Find the cheapest month to fly from Buffalo Niagara to Chicago

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

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Direct flights from Buffalo Niagara to Chicago

Alternative Buffalo Niagara to Chicago routes

Looking for the cheapest, fastest or easiest route from Buffalo Niagara to Chicago? You could fly into the following airports instead.

Buffalo to Chicago: Flight information

The things to know before you go.

Cheapest flight found	60 €
Cheapest month to fly	May
Average flight time	1 hr, 53 mins
Most popular airline	American Airlines
Average flights per week	356

Finding cheap flights from Buffalo Niagara to Chicago: Frequently asked questions

How many airports are there in Chicago?

There are 4 airports in Chicago: Chicago Midway, Chicago O'Hare International, Chicago Dupage County, and Chicago Rockford.

How much are return flights from Buffalo Niagara to Chicago?

The best price we found for a return flight from Buffalo Niagara to Chicago is 121 €. 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.

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

1 hour and 53 minutes is the average flight time from Buffalo Niagara to Chicago.

Which airlines fly direct from Buffalo Niagara to Chicago?

American Airlines, Alaska Airlines and Qatar Airways fly direct from Buffalo Niagara to Chicago.

How many flights are there a week from Buffalo Niagara to Chicago?

As of April 2026, there are 356 flights per week flying from Buffalo Niagara to Chicago.

When is the cheapest time to fly from Buffalo Niagara to Chicago?

The cheapest month to fly from Buffalo Niagara to Chicago is usually April.

Which is the cheapest airport to fly into in Chicago?

If you're flying from Buffalo Niagara Airport, the cheapest airport near Chicago is Chicago Midway – which is 14.5 km away from the centre of Chicago. We've found flights into this airport from 121 €.

Which upcoming date is cheapest to fly from Buffalo Niagara Airport to Chicago on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Buffalo Niagara Airport to Chicago on Tuesday, 28 April 2026.

Can I get a direct flight from Buffalo Niagara Airport to Chicago?

Yes – the average flight time is 1 hour and 53 minutes.

How can I get the best flight deal from Buffalo Niagara Airport to Chicago?

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 Chicago 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.

When is the best time to book flights to Chicago?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in Chicago?

In April, the average temperature is usually around 8°C. July is typically the warmest month in Chicago, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is August.

Which is the cheapest airline to fly from Buffalo Niagara Airport to Chicago with?

Currently, Frontier Airlines and Southwest Airlines offer the cheapest flight tickets to Chicago.

Flying from Buffalo Niagara International Airport (BUF) to Chicago: what you need to know

Hop on a direct flight from Buffalo Niagara International Airport to Chicago and you'll be in the air for around 1 hour 40 minutes.
The timezone in Chicago is UTC-6. The city is one hour behind Buffalo, where Buffalo Niagara International Airport is located.
With 51 weekly flights between the two airports, Buffalo Niagara International Airport (BUF) to Chicago O'Hare International Airport (ORD) is the most popular route. American Airlines operates the earliest flight at 05:06. If you prefer to get more out of your day before jetting off, the latest departure from BUF to ORD is with American Airlines at 18:56.
Leave plenty of time to catch your BUF to Chicago flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.
During popular months such as August, it's a good idea to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're flying during peak periods in general.
You can book a direct Buffalo Niagara International Airport to Chicago ticket. Begin your journey at BUF and end it at Chicago O'Hare International Airport (ORD).
You'll find a variety of airlines that offer direct flights from Buffalo Niagara International Airport to Chicago, such as:
Travelling from central Buffalo to BUF takes about 40 minutes on public transport. If you drive, ride-share or get a taxi, you'll cover the 13 kilometres in 20 minutes or so, depending on traffic conditions.
Want a stress-free start to your journey? Stay near BUF. Whether you've booked an early flight from Buffalo Niagara International Airport to Chicago or just don't want to be rushed, these hotels put convenience first:
74% of flights that take off from Buffalo Niagara International Airport arrive at their destination on schedule.
BUF is located at Genesee Street.

How to find the cheapest flights from Buffalo Niagara International Airport (BUF) to Chicago

The best price we've found for a one-way Buffalo Niagara International Airport to Chicago flight is 60 €. The cheapest price for a return flight is 121 €. Bear in mind fares can change due to demand at the time of booking.
Booking ahead of time is often the key to locking in a cheap flight from BUF to Chicago. Fares tend to rise as seats fill up, so the nearer you get to departure, the more expensive your ticket may be.
The 'Whole month' tool will show you the cheapest tickets from Buffalo Niagara International Airport to Chicago across the entire month. It's a good way to find a bargain if your travel dates aren't set in stone.
You don't need to keep checking in to see if fares have dropped when you create a Price Alert. We'll let you know the moment there's an updated deal for cheap flights from BUF to Chicago.
Save on your flight from Buffalo Niagara International Airport to Chicago with the help of our filters. Select your ideal departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Chicago

Chicago O'Hare International Airport (ORD)

Chicago O'Hare International Airport (ORD) to the centre of Chicago takes about 30 minutes to reach by car. The centre is roughly 27 kilometres away.
Getting there on public transport takes about 45 minutes.
Think about booking a hotel near ORD if you're coming in on a late flight from Buffalo Niagara International Airport to Chicago. Check in to one of these options and avoid the hassle of a long transfer:
Reserving your ride from Chicago O'Hare International Airport around four weeks in advance of your flight from BUF to Chicago can help you lock in the lowest rate.
You'll find ORD at 10000 West O'Hare.

Chicago Midway International Airport (MDW)

The centre of Chicago is about 16 kilometres from Chicago Midway International Airport (MDW). After your flight from Buffalo Niagara International Airport to Chicago has hit the runway and you've made your way to arrivals, the drive should take about 25 minutes.
If you travel by public transport, you'll get to the city centre in 30 minutes or so.
There are some great places ready to welcome you near MDW. Tuck yourself in and get cosy after your BUF to Chicago flight at any of these perfectly located options:
Get the lowest price by booking your ride from MDW four weeks ahead of time. You can also expect to have a wider selection of vehicles.
Chicago Midway International Airport can be found at 5700 South Cicero.

Chicago Rockford International Airport (RFD)

Chicago Rockford International Airport (RFD) is around 145 kilometres from central Chicago. It takes about 1 hour 40 minutes to reach the city centre by taxi or ride-share once you've hopped off your flight from Buffalo Niagara International Airport to Chicago.
The journey takes around 2 hours when travelling on public transport.
If you don't want to make the trip into the centre, find a hotel close to RFD. Make yourself comfortable at one of these stays after your BUF to Chicago flight:
Rental providers sometimes offer deals for early bookings, so book your vehicle from RFD well ahead of your flight from Buffalo Niagara International Airport to Chicago. A little prep today saves cash tomorrow.
Chicago Rockford International Airport can be found at 2 Airport Cir.

Best time to go to Chicago

July is the most popular month for flights from Buffalo Niagara International Airport to Chicago. To steer clear of the crowds, head to Chicago in January.
The warmest month in Chicago is July, with temperatures ranging between 16ºC (61ºF) and 28ºC (82ºF). Book your Buffalo Niagara International Airport to Chicago plane ticket then if that's your idea of comfortable weather.
January has average temperatures of between -12ºC (10ºF) and 3ºC (37ºF). Look for a cheap ticket from BUF to Chicago around that time if you want to travel in cooler conditions.

More about Chicago

When it comes to searching for somewhere to rest your head, you'll find the most popular stays in Chicago right here. Browse these hotels once you've locked in your flight from Buffalo Niagara International Airport to Chicago:
Art Institute of Chicago and Millennium Park are just two of the big attractions to add to your Chicago must-do list. Keep the sightseeing going at Willis Tower.

Explore more of the United States

You've done Chicago, now it's time to explore more of the United States. Travel about 451 kilometres southeast to Columbus to tick off its top attractions. From Franklin Park Conservatory and Botanical Gardens to Whetstone Park / Park of Roses and Ohio Theatre, your itinerary will be busy.
Indianapolis is another sought-after destination in the United States and is around 257 kilometres southeast of Chicago. No journey is complete without seeing Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis.