Cheap flights from Istanbul to Chicago from $456

The month of August is, on average, the cheapest month to fly to Chicago from Istanbul, with most prices found around $302. If you’re not able to fly to Chicago in August, then June is your next best option. Flight prices from Istanbul to Chicago during June average around $469.

The cheapest day to depart on your flight to Chicago is on a Monday when prices can be found for as low as $789. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Istanbul to Chicago for around $850.

Our most recent data shows that the best time of day to fly to Chicago is in the morning. Flights from Istanbul to Chicago during this time can be as low as $802. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $957.

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

You are more likely to see cheaper flights to Chicago from Istanbul when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago 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 from Istanbul for as low as $664 on momondo.

British Airways, American Airlines, and Delta are the most popular carriers operating from Istanbul to Chicago

Turkish Airlines, Lufthansa and LOT are the top three most popular airlines that fly to Chicago from Istanbul according to our data. Turkish Airlines is the first choice among our users, with 77% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 4 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% 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 200 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.

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday 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 16% of their flights experiencing any sort of delay.

The number of flights available between Istanbul and Chicago is 9 per day as of May 2026. The most frequent departure time is 2:00PM, with 55% of daily flights leaving in the afternoon.

As of May 2026, there are 63 flights per week flying from Istanbul to Chicago. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.