Route guide · 472 miles
Cheap Flights from Chicago to Buffalo
ORD → BUF · Nonstop 1h 28m · Live round-trip fares
Flying from Chicago to Buffalo doesn't have to drain your wallet. This 472-mile hop takes about 1h 28m nonstop, and fares swing a lot depending on the week you pick. Travelers who book roughly 2–4 weeks out usually come out ahead — set a free alert and let the deals come to you.
Live fares for ORD → BUF are updating. Use the search below for real-time prices.
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Flight time
1h 28m
Nonstop, typical
Distance
472 mi
ORD → BUF
Book ahead
2–4 weeks
Best window, typically
Nonstop airlines
2
American Airlines, United Airlines
Nonstop flights from Chicago to Buffalo
The fastest way between the two cities is the nonstop: about 1h 28m for the 472-mile run from ORD to BUF. Those flights are flown by American Airlines, United Airlines. Prices behave best when you book 2–4 weeks out.
Booking insights: Chicago → Buffalo
- Distance: 472 miles · nonstop flight time: 1h 28m.
- Fares tend to bottom out when you book about 2–4 weeks ahead — earlier than that rarely helps, later usually hurts.
- Midweek departures (Tue–Thu) are consistently cheaper than weekend flights.
- A free fare alert beats daily checking: we watch this route and ping you when prices drop.
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Flying from Chicago to Buffalo: what you need to know
The flight
At 472 miles, ORD to BUF is one of those quick up-and-down flights: roughly 1h 28m nonstop. There's no meal service to plan around — the decisions that matter here are departure time and which airport entrance traffic is kinder to you.
Airlines on this route
American Airlines and United Airlines fly this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from Chicago (ORD)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our Chicago airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Buffalo (BUF)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The Buffalo airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Buffalo to Chicago fares — prices on the return direction often move on a different rhythm.
When to book
For a trip of 472 miles, booking 2–4 weeks ahead typically lands you in the sweet spot. Leave it to the final two weeks and prices usually climb as the cheapest seats sell out. If your dates are flexible, midweek departures are where the lower fares hide on most domestic routes.
Good to know before you go
- Nonstop time on this route is about 1h 28m — a one-stop itinerary needs to be a lot cheaper to be worth the extra hours.
- Tuesday and Wednesday departures are typically the cheapest days on domestic routes.
- Screenshot your fare before you enquire — prices move, and a saved fare helps our team match or beat it.
- Flexible dates? Search a few days either side — one day can change the fare a lot.
- Morning flights are delayed less often than evening ones — earlier departures have the best on-time record.
Chicago to Buffalo flight FAQs
How long is the flight from ORD to BUF?
A nonstop from ORD to BUF clocks in at around 1h 28m for the 472-mile trip. If you're connecting, budget an extra 2–4 hours depending on where you stop.
Are there nonstop flights from Chicago to Buffalo?
American Airlines, United Airlines typically operate nonstop flights from ORD to BUF. Nonstops are usually cheapest when booked 2–4 weeks ahead of departure.
What is the cheapest month to fly from Chicago to Buffalo?
Fares from Chicago to Buffalo tend to ease outside the peak summer and holiday rush — the late-summer and early-fall shoulder weeks are usually kinder on the wallet. Set a free Airfare Deal alert and we'll flag the dips for your dates.
How much are last minute flights from ORD to BUF?
Last-minute flights from ORD to BUF (booked within 7 days of departure) typically cost noticeably more than fares booked 2–4 weeks out. Booking early is the smarter move.
What is a good round-trip deal from Chicago to Buffalo?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from Chicago to Buffalo?
You'll mainly see American Airlines, United Airlines on Chicago to Buffalo. Checking each against the live fares below is the surest way to find the lowest price for your dates.
How early should I get to Chicago airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
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