Cheap Flights from Liege (LGG) to Chicago (ORD)

Popular airlines from Liege (LGG) to Chicago O'Hare Intl. Airport (ORD)

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Frequently asked questions

How much does a flight from Liege Airport (LGG) to O'Hare Intl. Airport (ORD) cost?
Secure a cheap one-way flight or cheap return flight from Liege Airport (LGG) to O'Hare Intl. Airport (ORD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Liege Airport (LGG) to O'Hare Intl. Airport (ORD)?
The cheapest month to fly from LGG to ORD is , when demand is low. Off-peak season is generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Liege Airport (LGG) to O'Hare Intl. Airport (ORD)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from LGG to ORD. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Liege Airport (LGG) to O'Hare Intl. Airport (ORD)?
There aren't any daily nonstop flights available from Liege Airport (LGG) to O'Hare Intl. Airport (ORD). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from LGG to ORD?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Liege Airport (LGG) to O'Hare Intl. Airport (ORD)?
Select a flight from Liege Airport (LGG) to O'Hare Intl. Airport (ORD) that leaves before 3 PM to reduce the likelihood of delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Liege Airport (LGG) to O'Hare Intl. Airport (ORD) last-minute?
Holding off until just before your departure to book your flight from LGG to ORD often results in higher prices. While you might find some last-minute deals, they aren't always guaranteed. Be flexible with your travel plans for the best chance of getting a bargain.
Is it cheaper to book a LGG to ORD flight and hotel package?
Booking a LGG to ORD flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our wide range of hotels and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Liege Airport (LGG) to O'Hare Intl. Airport (ORD)?
You can usually reschedule or cancel your LGG to ORD flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Liege
Destination airport
O'Hare Intl.
Distance
4193 mi

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Liege to Chicago Flights

The cheapest times to fly from Liege to Chicago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Liege to Chicago are during the month of . You can find some of the cheapest flights from Liege to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Liege to Chicago

Sunday is one of the best days to book for cheap flights from Liege to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Liege to Chicago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Liege to Chicago in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Liege to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Liege to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Liege to Chicago Flights

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*Available to One Key members.