Airport to City

O'Hare to Downtown Chicago: The Blue Line and Its Rivals

O'Hare has something rare among major North American airports: a rapid transit line that runs all night, directly into downtown, for the price of a coffee.

Chicago, United States Updated August 2026
CTA UIC-bound Blue Line train at Addison station - September 2025
CTA UIC-bound Blue Line train at Addison station - September 2025

Route at a glance

From
O'Hare International
To
Chicago Loop
Distance
About 18 miles
Typical time
45 to 75 minutes

Comparing your options

Typical characteristics rather than live prices or timetables. Always check the operator on the day you travel.

OptionTypical journeyCost characterWho it suits
CTA Blue Line45 to 50 minAbout 5 USDAlmost everyone
Metra North Central40 min, limited serviceAbout 6 USDWeekday commuters
Taxi35 to 75 min45 to 65 USDGroups and bags
Private transfer35 to 75 minFixed quoteBusiness arrivals

Why the Blue Line is usually right

The station sits beneath Terminal 2 and is reachable on foot from Terminals 1, 2 and 3 through the pedestrian tunnels. Terminal 5 passengers ride the free Airport Transit System first. Trains run 24 hours a day, every few minutes at peak times, and reach the Loop in around 45 minutes.

At roughly five dollars, it undercuts every road option by an order of magnitude and is immune to the Kennedy Expressway traffic that defines Chicago rush hours.

Skyline de Chicago desde el centro, Illinois, Estados Unidos, 2012-10-20, DD 06
Skyline de Chicago desde el centro, Illinois, Estados Unidos, 2012-10-20, DD 06

When to take a car instead

With three or more travelers, heavy luggage, or a destination away from a Blue Line stop, a taxi or private car makes sense. Off peak, a car can beat the train by 10 to 15 minutes. At peak, the Kennedy can double the journey while the train keeps its schedule.

Chicago Skyline - August 2026 - 01
Chicago Skyline - August 2026 - 01

Winter considerations

Chicago winters affect ground transport as much as flights. Snow slows road transfers dramatically, and the Blue Line becomes noticeably more attractive. Platforms are cold, so keep a warm layer accessible in your cabin bag rather than buried in the hold.

Quick notes

  • Buy a Ventra ticket at the station machines or tap a contactless card directly at the gate.
  • The airport departure fare from O'Hare is slightly higher than a standard CTA fare.
  • Terminal 5 is the international terminal and requires the transit shuttle to reach the trains.
  • Midway is the second Chicago airport and uses the Orange Line instead.

Keep reading

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