Blue Line train to the LooporMetra train to Union Station, by the ATS?
The short answer
These do not go to the same place, so price is not the comparison. The Blue Line train to the Loop reaches The Loop at Clark/Lake, downtown Chicago; the Metra train to Union Station, by the ATS does not. Union Station, across the river from the west edge of the Loop, on weekdays only: the one for Amtrak and the Metra lines west and south.
The Blue Line train to the Loop is quicker: 40 min against 50 min. The Metra train to Union Station, by the ATS varies between 50 and 52 minutes.
Blue Line train to the Loop: Runs all night. Metra train to Union Station, by the ATS: 06:13–16:41, Monday to Friday.
Priced against each other
Whole-party totals · adult fares
What each costs for the whole party, in USD. The cheaper of the two is marked on every row.
Travelers
Blue Line train to the Loop
Metra train to Union Station, by the ATS
Difference
1
US$5
US$3.75
US$1.25
2
US$10
US$7.50
US$2.50
3
US$15
US$11.25
US$3.75
4
US$20
US$15
US$5
5
US$25
US$18.75
US$6.25
6
US$30
US$22.50
US$7.50
7
US$35
US$26.25
US$8.75
8
US$40
US$30
US$10
Side by side
Where each one leaves you
Blue · CTA (Chicago Transit Authority)Blue Line train to the Loop
From
CTA O'Hare station, below the main parking garage, by walkway from Terminals 1, 2 and 3
To
Clark/Lake station in the Loop, where the Blue Line meets the Brown, Green, Orange, Pink and Purple Lines
Runs
All night
Journey
40 min
Every 7 to 10 minutes by day and every 15 to 20 overnight, from about midnight to 04:00.
Arriving at Terminal 5, ride the free ATS train to Terminal 2 or 3 first.
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