$709 Find cheap flights from Luxembourg to Chicago O'Hare Airport

You’ll need to travel 16 miles to reach the Chicago city center from Chicago O'Hare Airport.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Chicago O'Hare Airport.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago O'Hare Airport with an airline and back with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago O'Hare Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Of the 12 airlines that fly to Chicago O'Hare Intl Airport, United Airlines offers the most flights, with around 5,246 per week, followed by American Airlines with 4,066 flights per week.