Cheap Flights from Chicago (ORD) to Sonderborg (SGD)

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Sonderborg (SGD)

Flights from Chicago (ORD) to Sonderborg (SGD)
Origin airport
O'Hare Intl.
Destination airport
Sonderborg
Distance
4188 mi

Chicago to Sonderborg Flights

The cheapest times to fly from Chicago to Sonderborg

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 Chicago to Sonderborg are during the month of . You can find some of the cheapest flights from Chicago to Sonderborg with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Sonderborg

Sunday is one of the best days to book for cheap flights from Chicago to Sonderborg: 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 Chicago to Sonderborg

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 Chicago to Sonderborg in 2025. 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 Chicago to Sonderborg 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 Chicago to Sonderborg 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.

 

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Sonderborg Airport (SGD) cost?
Lock in a cheap one-way flight or cheap return flight from O'Hare Intl. Airport (ORD) to Sonderborg Airport (SGD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Sonderborg Airport (SGD)?
is the cheapest month to fly from ORD to SGD. Avoiding peak travel times is often the key to finding a great deal.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Sonderborg Airport (SGD)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest ORD to SGD flight.
How many flights per day from O'Hare Intl. Airport (ORD) to Sonderborg Airport (SGD)?
There are no daily nonstop flights from O'Hare Intl. Airport (ORD) to Sonderborg Airport (SGD). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from ORD to SGD?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Sonderborg Airport (SGD)?
To arrive at Sonderborg Airport (SGD) on time, choose a flight that leaves from O'Hare Intl. Airport (ORD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 O'Hare Intl. Airport (ORD) to Sonderborg Airport (SGD) last-minute?
Last-minute bookings from ORD to SGD are typically more expensive. For the lowest prices, start looking for flights ahead of time. That said, if your travel plans are flexible, it's possible to land a cheap ticket right before you leave.
Is it cheaper to book an ORD to SGD flight and hotel package?
Booking an ORD to SGD flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our impressive range of accommodations and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Sonderborg Airport (SGD)?
If you reserved your ORD to SGD flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.