Cheap flights from Athens to Chicago from $451

The month of November is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Athens averaging around $678.

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Friday when prices can be found for as low as $784. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Athens because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,042.

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

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Athens when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $765 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Athens for as low as $523 on momondo.

There are 3 cabin classes available to choose from on Athens to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport.

TAP AIR PORTUGAL and Finnair are the most popular carriers operating from Athens Eleftherios V. to Chicago O'Hare Intl

United Airlines, Lufthansa and British Airways are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Athens according to our data. United Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 8 different airlines that fly to Chicago O'Hare Intl Airport 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 245 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 8% of their flights experiencing any sort of delay.

London (LHR) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Flights via Montreal (YUL) offer the lowest average round-trip price of $599.

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.

As of August 2026, there are 8 flights per day flying from Athens to Chicago O'Hare Intl Airport. The most common time of day flights depart is 11:00AM, with 58% of flights taking off at noon.

The number of flights available between Athens and Chicago O'Hare Intl Airport is 56 per week as of August 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.