Title: £558 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) # £558 Cheap Turkish Airlines flights from Washington to Istanbul (IAD→IST) [View £558 flight on Tue, 7 Apr 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:IAD,to:IST,departure:07/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:558.00&airProductToken=AQosCioI1JYBEgE4GIgYIMicASjp4IkDMMbliQM4RUAAWAFqAkNMcgZFTFlDTE8SCggBEAEYASoCVEsYASIECAEQASgCKAMoBDAB) - [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 £558 for one-way flights and £625 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, 4 Nov - Tue, 10 Nov IAD Washington IST Istanbul £625 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IAD,to:IST,departure:04/11/2026TANYT&leg2=from:IST,to:IAD,departure:10/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:624.90&airProductToken=AQosCioI1JYBEgE4GIgYIMicASiep5wDMMSrnAM4V0AAWAFqAkNMcgZXTFlDTFIKLAoqCNSWARIBNxjInAEgiBgoh-ScAzCv6ZwDOFdAAFgBagJDTHIGV0xZQ0xSEgoIARABGAEqAlRLGAEiBAgBEAEoAigDKAQwAQ) ## Find the cheapest month to fly from Washington (IAD) to Istanbul (IST) ### September is typically the cheapest month to fly From £361 - £756 per traveller. ## Frequently asked questions ### How much is a Turkish Airlines flight from Washington Dulles Intl. Airport (IAD) to Istanbul (IST)? ### What is the cheapest month to fly from IAD to IST with Turkish Airlines? ### Does Turkish Airlines fly nonstop from Washington Dulles Intl. Airport (IAD) to Istanbul (IST)? ### Can I change or cancel my Turkish Airlines flight from Washington Dulles Intl. Airport (IAD) to Istanbul (IST)? ## Travel information | Origin airport | Washington Dulles Intl. | | ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Istanbul | | Airlines serving | Air Canada, Air France, American Airlines, British Airways, Delta, Emirates, Ethiopian Airlines, Etihad Airways, Icelandair, KLM, Lufthansa, Qatar Airways, Royal Air Maroc, Royal Jordanian, Saudia, Scandinavian Airlines, TAP Portugal, Turkish Airlines, United | | Popular airline | British Airways | | Distance | 8338 km | | Average flight time | 18 hours 2 mins | ## Explore a world of travel with Expedia - Accommodation - Flights - Packages - Cars - Holiday Homes - Other - [3 Star Hotels in Arnavutköy ](https://www.expedia.co.uk/3Star-Arnavutkoy-Hotels.s30-0-d179889.Travel-Guide-Filter-Hotels) - 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