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Route

Chicago → Buffalo

RFDChicagoChicago Rockford International Airport
BUFBuffaloBuffalo Niagara International Airport
Distance
529 mi
Estimated flight time
~1h 35m

Buffalo is currently 1 hour ahead of Chicago.

No nonstop connection observed

View the reverse route

Our route data contains no observed nonstop flight from Chicago to Buffalo. That does not rule out a one-stop journey; see the direct destinations of Chicago for the options.

About this route

  • Domestic route: both airports are in the same country.
  • Direct destinations observed from Chicago: 61.
  • Direct destinations observed from Buffalo: 62.

The airports on this route

Chicago Rockford International Airport

Chicago, United StatesRFD / KRFD

Regional airport · 61 direct destinations · 2 runways · longest runway 10,003 ft

52 °F · CloudySource: METAR observation via the NOAA Aviation Weather Center

Airport pageAll direct destinations

Buffalo Niagara International Airport

Buffalo, United StatesBUF / KBUF

Regional airport · 62 direct destinations · 2 runways · longest runway 8,829 ft

63 °F · RainSource: METAR observation via the NOAA Aviation Weather Center

Airport pageAll direct destinations

Alternative airports for this journey

Same journey, a different airport nearby - with an observed direct connection.

ORD BUFChicago O'Hare International AirportChicago is about 63 mi from Chicago.View route →MDW BUFChicago Midway International AirportChicago is about 75 mi from Chicago.View route →MKE BUFGeneral Mitchell International AirportMilwaukee is about 80 mi from Chicago.View route →

About the route from Chicago to Buffalo

The distance between Chicago Rockford International Airport (RFD) and Buffalo Niagara International Airport (BUF) is approximately 529 mi; no direct connection has been observed in our route data.

Frequently asked questions about this route

How far is Chicago from Buffalo by air?
The great-circle distance between Chicago Rockford International Airport and Buffalo Niagara International Airport is approximately 529 mi.
Is there a direct connection from Chicago to Buffalo?
No direct connection between RFD and BUF has been observed in our route data. That does not rule out a one-stop journey.
What is the current time difference between Chicago and Buffalo?
Buffalo is currently 1 hour ahead of Chicago.

Where this data comes from

The route data comes from the flight archive (ADS-B, adsb.lol): which connections actually flew over the last twelve full months and who flew them, combined with our own airport, runway, and airline datasets. It is reference data about observed routes - not a current timetable and no claim about bookability.

The flight archive of the last twelve months has nothing for this route, so we say nothing about frequency.

Route data updated on October 11, 2026.