Cheap flights from Washington, D.C. Dulles Intl Airport to Istanbul from $429

In general, February is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Istanbul. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $730. If you aren’t able to travel to Istanbul during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $802.

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Istanbul is on a Sunday when prices can be found for as low as $900. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Istanbul on Saturday is $960.

Our most recent data shows that the best time of day to fly to Istanbul is in the morning. Flights from Washington, D.C. Dulles Intl Airport to Istanbul during this time can be as low as $848. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $924 on average. Flights to Istanbul from Washington, D.C. Dulles Intl Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Washington, D.C. Dulles Intl to Istanbul for the best Washington, D.C. Dulles Intl - Istanbul flight prices

You are more likely to see cheaper flights to Istanbul from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Istanbul for around $967 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Istanbul from Washington, D.C. Dulles Intl Airport for as low as $864 on momondo.

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl Airport to Istanbul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines and Turkish Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Istanbul

Turkish Airlines, Lufthansa and KLM are the top three most popular airlines that fly to Istanbul from Washington, D.C. Dulles Intl Airport according to our data. Turkish Airlines is the first choice among our users, with 83% of people opting to fly with this airline when traveling to Istanbul. Keep in mind that there are 11 different airlines that fly to Istanbul on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% of flights between Washington, D.C. and Istanbul have experienced a delay on any given week. The average delay length over the past 12 months has been 158 minutes.

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

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday 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 18% of their flights experiencing any sort of delay.

The number of flights available between Washington, D.C. Dulles Intl Airport and Istanbul is 9 per day as of August 2026. The most frequent departure time is 1:00PM, with 58% of daily flights leaving in the afternoon.

63 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Istanbul as of August 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.