Title: £128 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)

# £128 Cheap Aegean flights from London to Istanbul (LHR→IST)

[View £128 flight on Fri, 24 Apr 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:LHR,to:IST,departure:24/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:127.95&airProductToken=AQpiCi8IwWYSAzYwNRjriQEg4DwouJyLAzCPnosDOFRAAFgBagVMSUdIVHIHVE5MR1RMQwovCMFmEgM5OTAY4DwgyJwBKNahiwMwtaKLAzhUQAFYAWoFTElHSFRyB1ROTEdUTEMSCggBEAEYASoCQTMYASIECAEQASgCKAMoBDAL) 

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## Aegean flights from London to Istanbul (LHR→IST)

Prices were available within the past 7 days and start at £128 for one-way flights and £237 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)

Wed, 22 Apr - Thu, 23 Apr

LHR

London

IST

Istanbul

£237

Return

just found

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:IST,departure:22/04/2026TANYT&leg2=from:IST,to:LHR,departure:23/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:236.85&airProductToken=AQpiCi8IwWYSAzYwORjriQEg4Dwou4eLAzCSiYsDOFRAAFgBagVMSUdIVHIHVE5MR1RMQwovCMFmEgM5OTAY4DwgyJwBKJaLiwMw9YuLAzhUQAFYAWoFTElHSFRyB1ROTEdUTEMKYgovCMFmEgM5OTUYyJwBIOA8KJORiwMw7ZGLAzhUQABYAWoFTElHSFRyB1ROTEdUTEMKLwjBZhIDNjAyGOA8IOuJASj2mIsDMOaaiwM4VEABWAFqBUxJR0hUcgdUTkxHVExDEgoIARABGAEqAkEzGAEiBAgBEAEoAigDKAQwCw)

## 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:05/04/2026TANYT&leg2=from:IST,to:LHR,departure:09/04/2026TANYT&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 £200

](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:IST,departure:05/04/2026TANYT&leg2=from:IST,to:LHR,departure:09/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 

## Find the cheapest month to fly from London (LHR) to Istanbul (IST)

### February is typically the cheapest month to fly

From £116 - £176 per traveller.

## Travel information

| Origin airport      | Heathrow                                                                                                                                                                       |
| ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| Destination airport | Istanbul                                                                                                                                                                       |
| Airlines serving    | Aegean, Air France, Air Serbia, British Airways, EGYPTAIR, ITA Airways, Iberia, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Turkish Airlines, Vueling Airlines |
| Popular airline     | Lufthansa                                                                                                                                                                      |
| Distance            | 2473 km                                                                                                                                                                        |
| Average flight time | 6 hours 30 mins                                                                                                                                                                |

\*Available to Expedia members.