Title: £109 Cheap Aegean flights from London to Istanbul (LHR→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) # £109 Cheap Aegean flights from London to Istanbul (LHR→IST) [View £109 flight on Thu, 8 Jan 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:LHR,to:IST,departure:08/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:108.15&airProductToken=AQpiCi8IwWYSAzYwNRjriQEg4DwotPSBAzCL9oEDOFRAAFgBagVMSUdIVHIHVE5MR1RMQwovCMFmEgM5OTIY4DwgyJwBKJL8gQMw7PyBAzhUQAFYAWoFTElHSFRyB1ROTEdUTEMSCggBEAEYASoCQTMYASIECAEQASgCKAMoBDAL) - [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) ## Aegean flights from London to Istanbul (LHR→IST) Prices were available within the past 7 days and start at £109 for one-way flights and £175 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Aegean](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/A3.gif) Fri, 9 Oct - Mon, 12 Oct LHR London IST Istanbul £175 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:IST,departure:09/10/2026TANYT&leg2=from:IST,to:LHR,departure:12/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:174.55&airProductToken=AQpiCi8IwWYSAzYwMRjriQEg4Dwoo_uZAzD__JkDOFRAAFgBagVMSUdIVHIHVE5MR1RMQwovCMFmEgM5OTgY4DwgyJwBKJ6AmgMw-ICaAzhUQAFYAWoFTElHSFRyB1ROTEdUTEMSCggBEAEYASoCQTMYASIECAEQASgCKAMoBDAL) ![Aegean](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/A3.gif) Fri, 30 Jan - Sun, 1 Feb LHR London IST Istanbul £200 Return found 1 hour ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:IST,departure:30/01/2026TANYT&leg2=from:IST,to:LHR,departure:01/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:199.55&airProductToken=AQpiCi8IwWYSAzYwORjriQEg4Dwot-2DAzCO74MDOFRAAFgBagVMSUdIVHIHVE5MR1RMQwovCMFmEgM5OTQY4DwgyJwBKP71gwMw2PaDAzhUQAFYAWoFTElHSFRyB1ROTEdUTEMKYgovCMFmEgM5OTkYyJwBIOA8KJL7gwMw7PuDAzhUQABYAWoFTElHSFRyB1ROTEdUTEMKLwjBZhIDNjAwGOA8IOuJASjp_IMDMN7-gwM4VEABWAFqBUxJR0hUcgdUTkxHVExDEgoIARABGAEqAkEzGAEiBAgBEAEoAigDKAQwCw) ## Find the cheapest month to fly from London (LHR) to Istanbul (IST) ### February is typically the cheapest month to fly From £115 - £174 per traveller. ## Alternative airports near Istanbul Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:IST,departure:06/01/2026TANYT&leg2=from:IST,to:LHR,departure:16/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) IST Istanbul Airport Cheapest 35 min [Flights from £204 ](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:IST,departure:06/01/2026TANYT&leg2=from:IST,to:LHR,departure:16/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) __Flight from London to Istanbul route information__ | Origin airport | Heathrow | | ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Istanbul | | Airlines serving | Aegean, Air Baltic, Air France, Air Serbia, British Airways, Iberia, KLM, KM Malta Airlines, LOT-Polish Airlines, Lufthansa, Royal Jordanian, Scandinavian Airlines, Turkish Airlines | | Popular airline | British Airways | | Distance | 2473 km | | Average flight time | 6 hours 54 mins | \*Available to Expedia members.