Buffalo to Chicago (BUF–ORD) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
BUF–ORD is served by 2 airlines with nonstop service. American Airlines and United Airlines lead the route. The flight covers 472 miles in approximately 1h 56m. Beyond nonstop, 77 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| AA American Airlines Also: AS, BA, GF, JL, QR, RJ | 56 | 319, 738, CR7, E75, E75L | 2h03-2h17 | Oneworld | AS, BA, GF, JL, QR, RJ | |
| UA United Airlines Also: AC, AV, CM, EK, LX, NH, NZ | 48 | 319, 739, 73G, CR5, CR7, E7W | 1h56-2h05 | Star Alliance | AC, AV, CM, EK, LX, NH, NZ |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach Chicago from Buffalo
| Metric | BUF→ORD | ROC→ORD | YHM→ORD |
|---|---|---|---|
| Distance from BUF | – | 55 mi | 63 mi |
| Nonstop airlines | 2 | 10 | 1 |
| Weekly flights | 270 | 219 | – |
| Flight time | 1h 56m | 2h 3m | 1h 5m |
| Departure OTP | 100% | – | – |
Travel Essentials
BUF: EDT · ORD: CDT
When it's 6:00 PM in Buffalo, it's 5:00 PM in Chicago.
CTA Blue Line runs 24/7 from O'Hare to downtown Chicago (45 min, $5). Taxis use a flat-rate zone system; downtown is around $40–45 plus tip. Ride-shares are typically $30–50.The Airport Transit System (ATS) connects all terminals and parking. Metra commuter rail does not serve O'Hare directly; transfer downtown via Blue Line.
Continental climate with four distinct seasons. Summers are warm and humid (25–32°C) with afternoon thunderstorms. Winters are cold (−10 to −2°C) with heavy snowfall that regularly delays flights December through March.
Spring and fall are mild but unpredictable. Pack layers. Lake Michigan moderates temperatures near the lakefront, but O'Hare sits inland and runs colder.
BUF–ORD Quick Facts
Frequently Asked Questions
Flights from BUF to ORD
Buffalo Niagara International Airport (BUF) and Chicago O'Hare International Airport (ORD) are connected by nonstop service from American Airlines and United Airlines. With 270 weekly departures, this is a heavily served route.
BUF to ORD Flight Duration and Schedule
Nonstop flight time from BUF to ORD ranges from 1 hours 56 minutes to 2 hours 17 minutes. The route covers a distance of 472 miles (760 km). There are approximately 270 weekly flights outbound and 242 return, totaling 512 flights per week in both directions.
Connecting Options and Alternatives
77 one-stop connections are available, with the fastest taking approximately 3 hours via STL. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Rochester (ROC), Hamilton (YHM) and Toronto (YYZ).