Title: £473 Cheap Turkish Airlines flights from Washington to Istanbul (IAD→IST) - Expedia.co.uk ![Istanbul](https://images.trvl-media.com/place/178267/528fc850-021d-4d9e-a408-5ae238cb5810.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178267/528fc850-021d-4d9e-a408-5ae238cb5810.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £473 Cheap Turkish Airlines flights from Washington to Istanbul (IAD→IST) [View £473 flight on Tue, 14 Oct 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:IAD,to:IST,departure:14/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:472.50&airProductToken=AQosCioI1JYBEgE4GIgYIMicASiEsPoCMOa0-gI4VEAAWAFqAkNMcgZUTFlDTE8SCggBEAEYASoCVEsYASIECAEQASgCKAMoBDAB) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Turkish Airlines flights from Washington to Istanbul (IAD→IST) Prices were available within the past 7 days and start at £473 for one-way flights and £704 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Turkish Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TK.gif) Wed, 8 Oct - Wed, 15 Oct IAD Washington IST Istanbul £704 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:IST,departure:08/10/2025TANYT&leg2=from:IST,to:IAD,departure:15/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:703.80&airProductToken=AQouCiwI1JYBEgMxODgYiBggyJwBKNro-QIwt-35AjhXQABYAWoCQ0xyBldMWUNMUgouCiwI1JYBEgMxODcYyJwBIIgYKMKx-gIw0bb6AjhXQABYAWoCQ0xyBldMWUNMUhIKCAEQARgBKgJUSxgBIgQIARABKAIoAygEMAE) Flight from Washington to Istanbul route information | Origin airport | Washington Dulles Intl. | | --- | --- | | Destination airport | Istanbul | | Airlines serving | Air Canada, Air France, British Airways, EGYPTAIR, Emirates, Ethiopian Airlines, Etihad Airways, Icelandair, KLM, Lufthansa, Qatar Airways, Royal Air Maroc, Royal Jordanian, Saudia, TAP Portugal, Turkish Airlines | | Popular airline | British Airways | | Distance | 8338 km | | Average flight time | 17 hours 7 mins | ## Frequently asked questions ### How much is a Turkish Airlines flight from Washington Dulles Intl. Airport (IAD) to Istanbul (IST)? > You'll discover affordable return Turkish Airlines flights from £704 from IAD to IST by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains from £473 for a one-way journey.\**\*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.* ### What is the cheapest month to fly from IAD to IST with Turkish Airlines? > Turkish Airlines flights from IAD to IST are generally cheaper in the low season and outside of public holidays or major events. Demand — and prices — increase during busy periods like those. ### Does Turkish Airlines fly nonstop from Washington Dulles Intl. Airport (IAD) to Istanbul (IST)? > Use the "Nonstop" filter when browsing for direct Turkish Airlines flights from IAD to IST. It's also a good way to compare other airlines servicing the same direct route. ### Can I change or cancel my Turkish Airlines flight from Washington Dulles Intl. Airport (IAD) to Istanbul (IST)? > Depending on the type of ticket you purchased, a fee is typically charged if you cancel or change your flight more than 24 hours after it's confirmed. To secure tickets with more flexibility, select our "No cancel fee" or "Changes included" filter when you search for flights. For more information on changing or cancelling your reservation, head to "[Trips](https://www.expedia.co.uk/trips)," select your flight and tick "Manage Booking." ## Explore a world of travel with Expedia - Accommodation - Flights - Packages - Cars - Holiday Homes - Other ### Accommodation - [3 Star Hotels in Arnavutköy](https://www.expedia.co.uk/3Star-Arnavutkoy-Hotels.s30-0-d179889.Travel-Guide-Filter-Hotels) - [4 Star Hotels in Arnavutköy](https://www.expedia.co.uk/4Star-Arnavutkoy-Hotels.s40-0-d179889.Travel-Guide-Filter-Hotels) - [4 Star Hotels in European Side](https://www.expedia.co.uk/4Star-European-Side-Hotels.s40-0-d6241295.Travel-Guide-Filter-Hotels) - [5 Star Hotels in Arnavutköy](https://www.expedia.co.uk/5Star-Arnavutkoy-Hotels.s50-0-d179889.Travel-Guide-Filter-Hotels) - [5 Star Hotels in European Side](https://www.expedia.co.uk/5Star-European-Side-Hotels.s50-0-d6241295.Travel-Guide-Filter-Hotels) - [Hilton Hotels in Arnavutköy](https://www.expedia.co.uk/Arnavutkoy-Hotels-Hilton-Hotels.0-0-d179889--bHiltonHotels.Travel-Guide-Filter-Hotels) - 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