Flights from Istanbul to London Heathrow

Our cheapest offers for flights from Istanbul to London Heathrow

Here you can compare cheap flights from Istanbul (IST) to London Heathrow (LHR) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to London Heathrow. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Istanbul
London Heathrow
Outbound
22/10/25
1 Stopover (BEG)
JU0423, JU0210
22h 50min
Return
-
Air Serbia
£101
Best option
Istanbul
London Heathrow
Outbound
22/12/25
direct
BA0681
04h 30min
Return
10/01/26
direct
BA0676
03h 55min
British Airways
£162
Istanbul
London Heathrow
Outbound
04/11/25
1 Stopover (BEG)
JU0427, JU0210
10h 00min
Return
03/12/25
1 Stopover (BEG)
JU0211, JU0422
24h 30min
Air Serbia
£179
Istanbul
London Heathrow
Outbound
19/02/26
1 Stopover (CDG)
AF1391, AF1334
06h 05min
Return
22/02/26
1 Stopover (CDG)
AF1281, AF1390
07h 15min
Air France
£165
Istanbul
London Heathrow
Outbound
22/12/25
1 Stopover (AMS)
KL1960, KL1017
05h 55min
Return
10/01/26
1 Stopover (AMS)
KL1000, KL1959
07h 25min
KLM
£166
Istanbul
London Heathrow
Outbound
19/02/26
1 Stopover (WAW)
LO0134, LO0281
21h 35min
Return
22/02/26
1 Stopover (WAW)
LO0280, LO0133
16h 40min
Polskie Linie Lotnicze LOT
£167
Istanbul
London Heathrow
Outbound
08/12/25
1 Stopover (WAW)
LO0138, LO0279
12h 30min
Return
24/12/25
1 Stopover (WAW)
LO0286, LO0135
08h 05min
Polskie Linie Lotnicze LOT
£179
Istanbul
London Heathrow
Outbound
04/11/25
1 Stopover (BEG)
JU0427, JU0210
10h 00min
Return
03/12/25
1 Stopover (BEG)
JU0211, JU0422
24h 30min
Air Serbia
£181
Istanbul
London Heathrow
Outbound
08/12/25
1 Stopover (WAW)
LO0134, LO0285
10h 05min
Return
24/12/25
1 Stopover (WAW)
LO0286, LO0135
08h 05min
Polskie Linie Lotnicze LOT ?
£184
Istanbul
London Heathrow
Outbound
04/11/25
1 Stopover (BEG)
JU0427, JU0210
10h 00min
Return
03/12/25
1 Stopover (CDG)
AF1335, AF1390
15h 55min
Air Serbia
£184
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Istanbul to London Heathrow

Favourite airline: e.g. Aegean Airlines, Air Serbia
Flight tickets on the route Istanbul – London Heathrow are most frequently booked with Aegean Airlines.
Aegean Airlines
41 %
Air Serbia
41 %
Lufthansa
19 %
Favourite connection: via Belgrade
Flights with a stopover in Belgrade are the most popular connection for this route.
Route
bookings
1 stopover Belgrade (Beograd)
16h 50min, from 218 GBP
68 %
1 stopover Frankfurt-Main
06h 30min, from 192 GBP
32 %

Important flight information

Flight information: Istanbul - London Heathrow

Cheapest outbound flight from 100,40 GBP
Outbound and return from 161,41 GBP
Flight duration min. 04:05 / max. 04:30
Return flight duration min. 03:35/ max. 04:00
Distance 2516 km
Flights per week 54
Departure airport Airport Istanbul (IST)
Departure country Flights from Turkey
Arrival airport Airport London Heathrow (LHR)
Destination country Flights to United Kingdom
Alternative routes to United Kingdom
Alternative flights to London Heathrow
Popular destinations for onward travel