$205 Find Cheap Flights from Illinois to Europe - Compare and Save

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 from Illinois to Europe.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Illinois to Europe 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 from Illinois to Europe 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 from Illinois to Europe up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Illinois and Europe are connected by different airlines. The airlines that fly that route the most regularly are United Airlines (252 flights per week), Lufthansa (227 flights per week), and Air Canada (219 flights per week).

There are 619 airports in Europe. The busiest airport is London Heathrow Airport (LHR), with 6% of all flights arriving there.

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Europe is Lisbon Humberto Delgado Airport (LIS), with an average flight price of $448.

Based on KAYAK data, the cheapest day to fly to Europe is Tuesday where round-trip tickets can be as cheap as $921. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $1,140 on average.

The cheapest time of day to fly to Europe is generally in the evening, when round-trip flights cost $1,003 on average. The most expensive time of day to fly to Europe is generally at night, which is peak travel time and where the average cost of a ticket is $1,059.

The cheapest ticket to Europe from Illinois found in the last 5 days was to Copenhagen, at $474 round-trip. The most popular route is Chicago O'Hare Intl Airport (ORD) to Copenhagen (CPH) and the cheapest round-trip airline ticket found on this route in the last 5 days was $474.

The cheapest month for flights from Illinois to Europe is February, when tickets cost $431 (return) on average. On the other hand, the most expensive months are June and May, when the average cost of round-trip tickets is $714 and $648 respectively.

To get a below average price on the flight from Illinois to Europe, you should book around 5 weeks before departure, which saves you about 5% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 13 weeks before departure.

From Illinois, there are direct flights to Europe from 1 city. This city is Chicago and there are 2,057 direct flights each week.

There are around 294 direct flights from within Illinois to Europe every day. Most flights (55%) depart in the evening.

Each week there are around 2,057 direct flights from within Illinois to Europe. The most common day for departures is Sunday, with 15% of flights taking off on this day.

An average nonstop flight from Illinois to Europe takes 10h 38m, covering a distance of 4424 miles. The shortest route is Chicago O'Hare Intl Airport (ORD) to Reykjavik Keflavik Intl Airport (KEF) with an average flight time of 6h 05m.

Each week, there are 2,013 long-haul flights (6-12 hour flight duration) and 44 medium-haul flights (3-6 hour flight duration) to Europe. There aren't any short-haul flights (up to 3 hour flight duration).

Based on KAYAK flight searches, the most popular destination is London (28% of total searches to Europe). The next most popular destinations are Paris (15%) and Dublin (8%). Searches for flights to Rome (7%), to Warsaw (7%) and to Madrid (6%) are also popular.