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
04/03/26
1 Stopover (BEG)
JU0427, JU0210
10h 15min
Return
04/16/26
1 Stopover (BEG)
JU0211, JU0426
12h 05min
Air Serbia ?
$239
Best option
Istanbul
London Heathrow
Outbound
04/03/26
direct
BA0721
04h 10min
Return
04/16/26
direct
BA0720
03h 50min
British Airways ?
$325
Istanbul
London Heathrow
Outbound
04/03/26
1 Stopover (BEG)
JU0423, JU0210
22h 55min
Return
04/16/26
1 Stopover (BEG)
JU0211, JU0426
12h 05min
Air Serbia ?
$269
Istanbul
London Heathrow
Outbound
04/03/26
1 Stopover (ATH)
A30991, A30604
09h 15min
Return
04/16/26
direct
BA0720
03h 50min
Aegean Airlines ?
$330
Istanbul
London Heathrow
Outbound
04/03/26
1 Stopover (WAW)
LO0136, LO0285
06h 30min
Return
04/16/26
1 Stopover (WAW)
LO0282, LO0137
11h 30min
Polskie Linie Lotnicze LOT ?
$372
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

Favorite airline: Air Serbia
94 % of bookings on this flight route are made with Air Serbia, British Airways and Turkish Airlines.
Air Serbia
65 %
British Airways
26 %
Turkish Airlines
3 %
Direct flights are cheaper
On this route, direct flights are $18.00 cheaper than flights with a stopover.
non stop flight
1 stop
04h 05min
28h 05min
$174
$192
Favourite connection: via Belgrade
The most popular route is via Belgrade and is booked by 69 % of all travelers.
Route
bookings
1 stopover Belgrade (Beograd)
28h 05min, from $192
69 %
Direct flights
04h 05min, from $174
28 %
1 stopover Frankfurt-Main
06h 15min, from $297
3 %

Important flight information

Flight information: Istanbul - London Heathrow

Roundtrip from $238.80
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
Flight destinations with a similar price
Flight destinations with a similar price