How to estimate the price of a flight from Chicago O'Hare to Sønderborg?

It depends. Prices for flights from Chicago to Sonderborg fluctuate based on several factors.

Select your dates to check current offers.

Checking fares across several nearby dates can help you see which days offer the best deals. Jetcost lets you track price changes and grab the best opportunities.

Which departure and arrival airports are available?

Between Chicago and Sonderborg, flight options may depend on the combination of airports available.

• Airports in Chicago: Chicago is connected by 3 airports - Midway, O'Hare, Rockford.
• Airports in Sonderborg: Sonderborg is the only active airport in the area.

Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.

Explore flights from Chicago O'Hare to Sønderborg your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by agency like eDreams or Expedia. Options include Ryanair, British Airways, Easyjet, and more.

Other popular destinations

Also interested in Denmark? Check out: Aalborg, Aarhus, Billund, Copenhagen, Odense.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.