Cheap flights from Athens to Chicago from $456

The month of February is, on average, the cheapest month to fly to Chicago from Athens, with most prices found around $614. If you’re not able to fly to Chicago in February, then November is your next best option. Flight prices from Athens to Chicago during November average around $667.

The cheapest day to depart on your flight to Chicago is on a Thursday when prices can be found for as low as $786. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Athens to Chicago for around $873.

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

You are more likely to see cheaper flights to Chicago from Athens when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $763 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Athens for as low as $523 on momondo.

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

No. A direct flight is the cheapest option for a flight between Athens to Chicago.

Iberia, Delta, and KLM are the most popular carriers operating from Athens Eleftherios V. to Chicago

United Airlines, Lufthansa and British Airways are the top three most popular airlines that fly to Chicago from Athens according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 8 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

Historically, on average around 11% of flights between Athens and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 239 minutes.

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

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Tuesday 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 9% of their flights experiencing any sort of delay.

London (LHR) was the most common stop: 45% of momondo users choosing 1-stop flights on this route connected there.

Flights via London (LHR) offer the lowest average round-trip price of $510.

Flights connecting via Munich (MUC) have the shortest average one-way travel time: 13h 35m.

Philadelphia (PHL) has the shortest average layover time for this route: 1h 13m.

7 flights are operational daily from Athens to Chicago as of July 2026. The most popular departure time for this route is 11:00AM, with 58% of flights per day taking off at noon.

The number of flights available between Athens and Chicago is 51 per week as of July 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.