O'Hare to Downtown Chicago by Blue Line

Last verified Oct 19, 2026

The fastest public transit trip from O'Hare Airport to Downtown Chicago (Millennium Park) takes about 57 minutes on a weekday morning: Blue Line.

Route options

Route	Time	Transfers	Walking	Fare
Blue Line (Fastest, Cheapest)	57 min	0	0.5 mi	$5.00

Step by step (fastest route)

Walk about 2 minutes to O'Hare.
Take the Blue Line toward Forest Park from O'Hare to Washington-Blue (about 41 minutes, 16 stops).
Walk about 14 minutes to Downtown Chicago (Millennium Park).

Computed from published schedules for a weekday at 10 a.m. and updated daily. Times change with the time of day, weekends and service changes: use the live planner for your trip.

Fare

Boarding the Blue Line at O'Hare costs $5 ($0 extra with a CTA/Pace pass). See the O'Hare guide.

Plan this trip for your time

Common questions

How long does it take from O'Hare Airport to Downtown Chicago (Millennium Park) by public transit?

About 57 minutes on a weekday morning by Blue Line, including walking and waiting for connections.

How much does public transit cost from O'Hare Airport to Downtown Chicago (Millennium Park)?

The cheapest option costs $5.00 (Blue Line).