$675 Cheap Turkish Airlines flights Washington (IAD) to Istanbul (IST)

Landing cheap one-way Turkish Airlines flights from IAD to IST from $675 on Expedia is a cinch — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $934 for your next exciting vacation.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

It’s generally cheaper to fly from IAD to IST with Turkish Airlines in the off-peak season when demand is lower. Organizing your getaway outside of school and public holidays could also help you discover cheaper deals on flights.

To discover affordable flights from IAD to IST with Turkish Airlines, start searching about one month before your planned departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another good tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Fill in your dates, click search and check the “Nonstop” filter on Expedia to find any direct flights from IAD to IST with Turkish Airlines or another carrier.

Filter your results by “Early Morning” and “Morning” to see the earliest flights from IAD to IST. Taking off early means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Changes are typically free within 24 hours of making your booking, but your airline may add a charge after that. For further details about modifying your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to make changes without extra charges, tick the “No cancel fee” or “Changes included” filter when organizing your next getaway.