Cheap flights from Chicago to Buffalo Niagara

Compare Chicago to Buffalo Niagara flight deals

Find the cheapest month or even day of the year to fly to Buffalo Niagara

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Flight deals from Chicago to Buffalo Niagara Airport

Looking for a cheap last-minute deal or the best return flight from Chicago to Buffalo Niagara Airport? If you want to travel next month, return fares start from P12,062. Find the lowest prices on one-way and return tickets right here.

Buffalo.P10,385 per passenger.Departing Mon, 27 Apr, returning Mon, 4 May.Return flight with Spirit Airlines and Frontier Airlines.Outbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Mon, 27 Apr, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Mon, 4 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From P10,385, select.

Buffalo.P12,004 per passenger.Departing Fri, 17 Apr, returning Sun, 19 Apr.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Fri, 17 Apr, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sun, 19 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From P12,004, select.

Buffalo.P12,004 per passenger.Departing Thu, 14 May, returning Mon, 18 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Thu, 14 May, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Mon, 18 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From P12,004, select.

Buffalo.P14,953 per passenger.Departing Wed, 6 May, returning Thu, 7 May.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Wed, 6 May, arriving in Buffalo Niagara.Inbound direct flight with United departs from Buffalo Niagara on Thu, 7 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From P14,953, select.

Buffalo.P15,942 per passenger.Departing Mon, 6 Apr, returning Tue, 7 Apr.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Chicago Midway on Mon, 6 Apr, arriving in Buffalo Niagara.Inbound direct flight with Southwest Airlines departs from Buffalo Niagara on Tue, 7 Apr, arriving in Chicago Midway.Price includes taxes and charges.From P15,942, select.

Buffalo.P16,158 per passenger.Departing Mon, 1 Jun, returning Mon, 1 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Mon, 1 Jun, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Mon, 1 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From P16,158, select.

Buffalo.P17,457 per passenger.Departing Tue, 28 Apr, returning Fri, 1 May.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Chicago Midway on Tue, 28 Apr, arriving in Buffalo Niagara.Inbound direct flight with Southwest Airlines departs from Buffalo Niagara on Fri, 1 May, arriving in Chicago Midway.Price includes taxes and charges.From P17,457, select.

Buffalo.P18,470 per passenger.Departing Mon, 8 Jun, returning Thu, 11 Jun.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Chicago Midway on Mon, 8 Jun, arriving in Buffalo Niagara.Inbound direct flight with Southwest Airlines departs from Buffalo Niagara on Thu, 11 Jun, arriving in Chicago Midway.Price includes taxes and charges.From P18,470, select.

Buffalo.P18,852 per passenger.Departing Mon, 30 Mar, returning Wed, 1 Apr.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Mon, 30 Mar, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Wed, 1 Apr, arriving in Chicago O'Hare International.Price includes taxes and charges.From P18,852, select.

Buffalo.P19,112 per passenger.Departing Fri, 27 Mar, returning Sun, 29 Mar.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Fri, 27 Mar, arriving in Buffalo Niagara.Inbound indirect flight with Frontier Airlines, departs from Buffalo Niagara on Sun, 29 Mar, arriving in Chicago O'Hare International.Price includes taxes and charges.From P19,112, select.

Buffalo.P20,796 per passenger.Departing Thu, 2 Jul, returning Sat, 4 Jul.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Chicago Midway on Thu, 2 Jul, arriving in Buffalo Niagara.Inbound direct flight with Southwest Airlines departs from Buffalo Niagara on Sat, 4 Jul, arriving in Chicago Midway.Price includes taxes and charges.From P20,796, select.

Buffalo.P20,835 per passenger.Departing Tue, 4 Aug, returning Thu, 6 Aug.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Chicago Midway on Tue, 4 Aug, arriving in Buffalo Niagara.Inbound direct flight with Southwest Airlines departs from Buffalo Niagara on Thu, 6 Aug, arriving in Chicago Midway.Price includes taxes and charges.From P20,835, select.

Buffalo.P20,999 per passenger.Departing Thu, 30 Jul, returning Sat, 1 Aug.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Chicago Midway on Thu, 30 Jul, arriving in Buffalo Niagara.Inbound direct flight with Southwest Airlines departs from Buffalo Niagara on Sat, 1 Aug, arriving in Chicago Midway.Price includes taxes and charges.From P20,999, select.

Buffalo.P21,989 per passenger.Departing Fri, 25 Sep, returning Sun, 27 Sep.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Fri, 25 Sep, arriving in Buffalo Niagara.Inbound direct flight with United departs from Buffalo Niagara on Sun, 27 Sep, arriving in Chicago O'Hare International.Price includes taxes and charges.From P21,989, select.

Buffalo.P23,383 per passenger.Departing Mon, 2 Nov, returning Sat, 14 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Chicago O'Hare International on Mon, 2 Nov, arriving in Buffalo Niagara.Inbound indirect flight with Delta, departs from Buffalo Niagara on Sat, 14 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From P23,383, select.

Buffalo.P25,919 per passenger.Departing Mon, 2 Nov, returning Sat, 14 Nov.Return flight with United.Outbound direct flight with United departs from Chicago O'Hare International on Mon, 2 Nov, arriving in Buffalo Niagara.Inbound direct flight with United departs from Buffalo Niagara on Sat, 14 Nov, arriving in Chicago O'Hare International.Price includes taxes and charges.From P25,919, select.

Find the cheapest month to fly from Chicago to Buffalo Niagara

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

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Direct flights from Chicago to Buffalo Niagara

Chicago to Buffalo Niagara: Alternative routes

Compare routes from Chicago to Buffalo below. You may find an airport to fly into that's cheaper, faster, or easier than Buffalo Niagara.

Chicago to Buffalo: Flight information

The things to know before you go.

Cheapest flight found	P10,436
Cheapest month to fly	April
Average flight time	1 hr, 37 mins
Most popular airline	American Airlines
Average flights per week	309

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

How much are return flights from Chicago to Buffalo Niagara?

The best price we found for a return flight from Chicago to Buffalo Niagara is P10,385. 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 Chicago to Buffalo Niagara?

1 hour and 37 minutes is the average flight time from Chicago to Buffalo Niagara.

Which airlines fly direct from Chicago to Buffalo Niagara?

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

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

As of March 2026, there are 309 flights per week flying from Chicago to Buffalo Niagara.

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

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

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Buffalo Niagara Airport on Monday, 27 April 2026.

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

Yes – the average flight time is 1 hour and 37 minutes.

How can I find the best flight deal to Buffalo Niagara?

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 Buffalo Niagara 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 Buffalo?

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

Travelling from Chicago to Buffalo Niagara International Airport (BUF): What you need to know

Kick off your journey at one of Chicago's main airports, Chicago O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW). Explore your options for booking a flight from Chicago to Buffalo Niagara International Airport (BUF) taking off from either of these.
Around 1 hour 40 minutes is the typical travel time on a direct Chicago to Buffalo Niagara International Airport flight.
The timezone in Buffalo is UTC-5, which is one hour ahead of Chicago. Buffalo Niagara International Airport is located in Buffalo.
The busiest route is from Chicago O'Hare International Airport (ORD) to Buffalo Niagara International Airport (BUF), with 51 direct services every week. If you'd rather get moving right away, the earliest flight from ORD to BUF is the 7:03am American Airlines service. If you prefer travelling later, the last departure is at 8:40pm with American Airlines.
Your flight from Chicago to BUF won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.
July is a peak travel month. If you're heading away then or around a major holiday like Thanksgiving, turn up even earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.

Airports in Chicago

Chicago O'Hare International Airport (ORD)

Chicago O'Hare International Airport (ORD) makes it easy to travel directly to your destination. Nonstop flights from Chicago to Buffalo Niagara International Airport (BUF) depart from this terminal.
You'll find a direct flight from Chicago to Buffalo Niagara International Airport with United Airlines. This popular airline offers services from ORD.
The majority of passengers choose to book seats with United between ORD and BUF.
The carrier with the most reliable on-time performance on this route is American Airlines. Its services land as scheduled 73.85% of the time.
ORD is about 27 kilometers from central Chicago. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 30 minutes or so to get there, depending on traffic. If you're taking public transport, expect the travel time to be around 45 minutes.
Catching an early flight from Chicago to Buffalo Niagara International Airport? Avoid the mad dash to the terminal (and get a little more snooze time) by choosing one of these stays near Chicago O'Hare International Airport:
Of all flights departing from Chicago O'Hare International Airport, 70% arrive on time at their destination.
You'll find ORD at 10000 West O'Hare.

Chicago Midway International Airport (MDW)

Planning to leave from Chicago Midway International Airport (MDW)? Direct Chicago to Buffalo Niagara International Airport (BUF) plane tickets are available from this popular hub.
Get on your direct flight from Chicago to BUF with Southwest Airlines. This is one of the main carriers operating this route out of MDW.
On the MDW to BUF route, Southwest Airlines is the preferred choice for many passengers.
Southwest Airlines is the most reliable carrier flying between Chicago Midway International Airport and Buffalo Niagara International Airport, with 72.22% of its services arriving on schedule.
You can get to MDW from the centre of Chicago in approximately 25 minutes by car, depending on traffic. The ride on public transport will take roughly 30 minutes to travel the 16 kilometers or so.
Start your holiday early with an additional night away from home. Before your Chicago to BUF flight, kick back in one of these hotels near Chicago Midway International Airport:
When it comes to flight punctuality, Chicago Midway International Airport has an on-time arrival rate of 76%.
The address for MDW is 5700 South Cicero.

Chicago Rockford International Airport (RFD)

RFD is roughly 145 kilometers from central Chicago. The drive from the city centre to the airport takes about 1 hour 40 minutes. If you're considering public transport, expect a journey of around 2 hours.
Relax in bed for a little longer and still make your Chicago to Buffalo Niagara International Airport flight without having to rush. These accommodation options near Chicago Rockford International Airport make departure day effortless if you're setting off early:
Flights that take off from RFD arrive at their final stop on schedule 71% of the time.
The street address of Chicago Rockford International Airport is 2 Airport Cir.

About Buffalo Niagara International Airport (BUF)

Have a late flight from Chicago to Buffalo Niagara International Airport? Don't let it leave you bleary-eyed. Stay at one of these hotels near BUF and fast-forward to bedtime:
To get the best deal, book your ride around two weeks ahead of your Chicago to Buffalo Niagara International Airport flight.
The street address for BUF is Genesee Street.

Getting from Buffalo Niagara International Airport (BUF) to central Buffalo

From Buffalo Niagara International Airport, central Buffalo is around 16 kilometers away. It takes about 20 minutes to get to the city centre by car.
When travelling on public transport, expect a journey time of around 40 minutes.

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

The lowest price we've found for a one-way ticket from Chicago to Buffalo Niagara International Airport is P5,400. For a return flight on this route, the best price is P10,385. Depending on the availability when you book, these fares can change.
Book one month before flying. Pricing trends suggest that this is the ideal window for finding cheap flights from Chicago to BUF.
Organise your trip for June. That's the best month for scoring an awesome deal on Chicago to Buffalo Niagara International Airport tickets. If you're flexible on when you fly, use the 'Whole month' tool to find the lowest price across every month.
Save time searching for cheap plane tickets from Chicago to BUF by setting up a Price Alert. We'll send you an email or notification through the app when prices go down.
Lock in a cheap flight from Chicago to Buffalo Niagara International Airport by using filters. Choose your ideal duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Chicago to Buffalo Niagara International Airport (BUF)

Think about the pace you're looking for when picking your flight dates. December is the quietest month to visit Buffalo. August is when most people book flights from Chicago to Buffalo Niagara International Airport (BUF), which may be ideal if you're chasing more action.
The warmest month in Buffalo is July, with temperatures ranging between 15ºC (59ºF) and 29ºC (84ºF). Book your Chicago to BUF plane ticket then if you enjoy this type of weather.
If you want cooler conditions, search for a cheap ticket from Chicago to Buffalo Niagara International Airport in January when temperatures are between -10ºC (14ºF) and 2ºC (36ºF).

More about Buffalo

After booking your flight from Chicago to Buffalo Niagara International Airport, find a hotel that offers the right mix of comfort and location. Make one of these accommodation options your base for exploring Buffalo:
You'll find loads of awesome things to do in Buffalo when you're ready to see the sights. Start exploring at Frank Lloyd Wright's Darwin D. Martin House Complex followed by Buffalo AKG Art Museum and Forest Lawn.

Explore more of the United States

Cleveland is just one of the many cities in the United States waiting to be explored after you've seen Buffalo. Around 290 kilometers away to the southwest, top sights here include Rock & Roll Hall of Fame, Cleveland Museum of Art and Cleveland Museum of Natural History.
If you want to check out another great destination in the United States, head for Pittsburgh, roughly 290 kilometers south of Buffalo. Carnegie Museum of Art, The Andy Warhol Museum and Point State Park Fountain are among its highlights.