Mayfair is a Metra station located on the Milwaukee District North Line on the border between the Albany Park and Portage Park community areas of Chicago, Illinois. The station is officially located at 4357 North Cicero Avenue (Illinois Route 50), however the actual location is the northeast corner of West Pensacola and North Kilpatrick Avenues. It is 9.0 miles (14.5 km) away from Chicago Union Station, the southern terminus of the line, and serves commuters between Union Station and Fox Lake, Illinois. In Metra's zone-based fare system, Mayfair is in zone 2. As of 2018, Mayfair is the 147th busiest of Metra's 236 non-downtown stations, with an average of 281 weekday boardings.

As of February 15, 2024, Mayfair is served by 40 trains (19 inbound, 21 outbound) on weekdays, by all 20 trains (10 in each direction) on Saturdays, and by all 18 trains (nine in each direction) on Sundays and holidays.

Transfers are available to the Blue Line at the nearby Montrose Avenue station, as well as CTA's bus system. Although the line has an at-grade junction with Union Pacific Northwest Line just north of the station platforms, there are no direct connections from here to any of the UP-NW's stops within Albany Park. The Northwest Line station platforms closed in 1958.

CTA Blue Line

• Montrose

CTA Buses

• 54 Cicero
• 54A North Cicero/Skokie Blvd (Weekday Rush Hours only)
• 78 Montrose

• Metra – Stations – Mayfair station
• Flickr images
• Montrose Avenue entrance from Google Maps Street View