Cheap flights from Chicago to Greece from $323

In general, February is the cheapest month to fly from Chicago to Greece. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $592. If you are unable to visit Greece during the month of February, then departing from Chicago during the month November is also very affordable. Most momondo users find prices during this month for around $634.

According to our data, Monday is the cheapest day to fly to Greece from Chicago. The lowest ticket price found for a Monday departure recently was $1,215. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Chicago to Greece on a Friday will generally be more expensive and average around $1,378. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Flying to Greece from Chicago at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,294 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to Greece, so prices are often more expensive at around $1,302 per ticket.

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

You are more likely to see cheaper flights to Greece from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Greece for around $913 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Greece from Chicago for as low as $898 on momondo.

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

Delta, ITA Airways, and United Airlines are the most popular carriers operating from Chicago to Greece

United Airlines, Turkish Airlines and Lufthansa are the top three most popular airlines that fly to Greece from Chicago according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Greece. Keep in mind that there are 18 different airlines that fly to Greece on a routine basis, so you have a few additional options to choose from.

Historically, on average around 27% of flights between Chicago and Greece have experienced a delay on any given week. The average delay length over the past 12 months has been 189 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 24% of their flights experiencing any sort of delay.

6 flights are operational daily from Chicago to Greece as of September 2026. The most popular departure time for this route is 4:00PM, with 100% of flights per day taking off in the afternoon.

As of September 2026, 46 flights take off from Chicago and land in Greece each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.