Renting a Car in Illinois: 2026 Guide
Renting a car in Illinois involves state-specific laws, fees, insurance requirements, and seasonal considerations that can affect your trip and your final bill. This guide covers everything you need to know before you book a Illinois rental.
Illinois rental car laws
Illinois requires headlights when wipers are on. Cellphone use only with hands-free system. DUI laws strictly enforced — even .05 BAC may result in a citation.
Seat belt and phone laws: All passengers required. Texting while driving illegal.
Required insurance in Illinois
Minimum liability $25K/$50K/$20K. Most credit cards cover IL rentals.
Best airports for rental cars in Illinois
ORD (Chicago O'Hare), MDW (Chicago Midway — often cheaper than ORD), PIA (Peoria), MLI (Quad Cities).
Seasonal warnings for Illinois
Illinois-specific tips that save money
- Chicago is well-served by L train. Skip rental for city-only trips
- Tollway IPASS is required for cheaper toll rates — most rentals include it for $4-$5/day
- MDW is often $20-$30/day cheaper than ORD for the same dates
How to avoid hidden fees in Illinois
The biggest fee traps in Illinois are the same as everywhere else, but with state-specific multipliers:
- Refueling charges — typically $9-$11 per gallon at major brands. Self-fill 5-10 minutes before return saves $40-$80.
- Counter insurance upsells — $20-$40 per day. Almost always cheaper through your auto policy or credit card.
- Toll passes — $4-$15 per day even on days you do not use a toll. Decline unless you know you will use them.
- Underage surcharge — standard $20-$35 per day under 25 in Illinois. AAA membership often waives this at participating brands.
Frequently asked questions
What is the minimum age to rent a car in Illinois?
18 (under 25 surcharge $20-$30/day).
What insurance is required to rent a car in Illinois?
Minimum liability $25K/$50K/$20K. Most credit cards cover IL rentals.
What are the rental car taxes and fees in Illinois?
6.25% state + up to 4.75% local sales tax. Vehicle rental tax 5% + concession recovery 10% at ORD. Combined this typically adds 20-30% to the displayed daily rate.
What are the best airports to rent from in Illinois?
ORD (Chicago O'Hare), MDW (Chicago Midway — often cheaper than ORD), PIA (Peoria), MLI (Quad Cities).
What seasonal issues affect rentals in Illinois?
Chicago winter (December-March) requires careful driving. Snow tires not included. Some brands charge $5-$10/day for cold-weather packages.
What Illinois-specific laws should I know?
Illinois requires headlights when wipers are on. Cellphone use only with hands-free system. DUI laws strictly enforced — even .05 BAC may result in a citation.