Cheap flights from Istanbul to Chicago from $370

The month of February is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Istanbul averaging around $663.

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Tuesday when prices can be found for as low as $750. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Istanbul because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $824.

Flying to Chicago O'Hare Intl Airport from Istanbul in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $775 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $791. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Istanbul to Chicago O'Hare Intl for the best Istanbul - Chicago O'Hare Intl flight prices

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Istanbul when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $777 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 Istanbul for as low as $617 on momondo.

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

British Airways is the most popular carrier operating from Istanbul to Chicago O'Hare Intl

Turkish Airlines, Lufthansa and LOT are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Istanbul according to our data. Turkish Airlines is the first choice among our users, with 79% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 4 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 18% of flights between Istanbul and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 210 minutes.

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

Monday 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, Turkish Airlines have had the least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

10 flights are operational daily from Istanbul to Chicago O'Hare Intl Airport as of March 2026. The most popular departure time for this route is 7:00AM, with 50% of flights per day taking off at noon.

70 flights are operational weekly from Istanbul to Chicago O'Hare Intl Airport as of March 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.