Madison, WI to Downtown Chicago, IL: Travel Options Compared

Madison (WI) to Chicago Loop (IL) is a ~150-mile corridor with multiple solid options.

Mode	Time	Cost (approx.)	Notes
Drive (I-90/94 E)	2 hr 30 min (no traffic)	$20–30 gas + tolls ($3–5 IL)	Flexible; parking in Loop $25–45/day. Rush hour: +30–60 min.
Megabus / FlixBus	3 hr 30 min	$10–30	Departs UW Memorial Union / Dutchmill Park & Ride. WiFi, outlets. Arrives Union Station.
Amtrak Hiawatha	2 hr 40 min	$25–50	7 daily round-trips. Departs Madison (MSN) — actually departs from Columbus, WI (20 mi NE) — shuttle from Madison. Arrives Union Station. Most comfortable.
Fly (MSN → MDW)	19 min flight + 2.5 hr airport overhead	$150–400	United only. Not time-efficient vs. ground. MSN→ORD adds connection time.

Recommendation

Solo, no car needed in Chicago: Amtrak Hiawatha (reliable, productive, city-center to city-center).
Group / luggage / need car in Chicago: Drive (leave early/late to avoid rush).
Budget solo: Megabus/FlixBus (book early for $10).
Fly only if: Connecting onward from ORD/MDW, or time-critical with TSA PreCheck.