Cheap flights from Illinois to Athens from $311

The cheapest month to fly to Athens from Illinois is in February. Flight prices, which tend to average around $597, are often lower during this time because this is during the off-season. If you are unable to visit Athens during the month of February, then departing from Illinois during the month November is also very affordable. Most momondo users find prices during this month for around $622.

The cheapest day to depart on your flight to Athens is on a Monday when prices can be found for as low as $1,213. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,374. These prices are subject to change though, so be sure to set up a Price Alert for flights to Athens.

The cheapest time of day to fly to Athens is at noon when flights can be purchased for as low as $1,294. Flights to Athens are more costly in the afternoon, with an average ticket price of $1,295. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Chicago O'Hare Intl to Athens Eleftherios V. for the best Illinois - Athens Eleftherios V. flight prices

You are more likely to see cheaper flights to Athens from Illinois when booking week ahead of your departure date. In general, you can expect to find flights to Athens for around $904 when searching week out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Athens from Illinois for as low as $890 on momondo.

There are 3 cabin classes available to choose from on Illinois to Athens flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

American Airlines, Air Canada, and Delta are the most popular carriers operating from Illinois to Athens Eleftherios V.

United Airlines, Turkish Airlines and British Airways are the top three most popular airlines that fly to Athens from Illinois according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Athens. Keep in mind that there are 18 different airlines that fly to Athens on a routine basis, so you have a few additional options to choose from.

As of August 2026, 8 flights take off from Illinois and land in Athens each day. The most common flight departure time for this route is 4:00PM, with 100% of daily flights taking off in the afternoon.

As of August 2026, 56 flights take off from Illinois and land in Athens each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.