Cheap National Car Hire Deals at Chicago Union Station, Chicago

If you plan to park at the station, check out the parking options and fees ahead of time for convenience.

Some rental companies offer a free tank of fuel with your rental. Be sure to understand the terms, including how much fuel you need to return the car with and any potential fees for not meeting these conditions.

Before booking, review the rental agreement for any hidden fees such as airport surcharges, additional driver fees, or late return penalties. Understanding these can help you budget more effectively.

Many rental companies require payment by credit card and may not accept debit cards. If you only have a debit card, check the rental company's payment policies in advance and look for suitable options.

Planning to rent a car with National for more than a couple of weeks? No problem! Simply enter your desired dates when searching, and we'll show you available options. Remember, renting for a full month might be cheaper than renting for three weeks.

When renting a car, understand the fuel policy. A 'Full-to-Full' policy means you return the car with a full tank, while 'Same-to-Same' means you return it with the same level of fuel. Full-to-Full is often more cost-effective.

Some rental agreements come with mileage limits, while others offer unlimited mileage. Make sure to review the mileage policy to avoid unexpected fees.

We recommend that in order to have access to the best deals when considering hiring a car at Chicago Union Station you should pre-book online up to 4 - 5 weeks in advance.