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	Baggage	Price
Best option Istanbul London Heathrow	Outbound 06/25/26 direct BA0719 04h 00min	Return 06/30/26 direct BA0716 03h 55min	British Airways	?	$242
Istanbul London Heathrow	Outbound 06/25/26 direct TK1931 04h 05min	Return 06/30/26 direct TK1988 03h 55min	Turkish Airlines	?	$246
Istanbul London Heathrow	Outbound 06/25/26 direct BA0717 04h 10min	Return 06/30/26 direct BA0716 03h 55min	British Airways	?	$251
Istanbul London Heathrow	Outbound 05/16/26 1 Stopover (CPH) SK0832, SK0505 13h 30min	Return 05/29/26 1 Stopover (CPH) SK1508, SK0831 06h 10min	SAS Scandinavian Airlines	?	$253
Istanbul London Heathrow	Outbound 05/16/26 direct BA0719 04h 00min	Return 05/29/26 direct BA0720 03h 50min	British Airways	?	$273
Istanbul London Heathrow	Outbound 05/16/26 1 Stopover (CPH) SK0832, SK0505 13h 30min	Return 05/29/26 1 Stopover (CPH) SK1508, SK0831 06h 10min	SAS Scandinavian Airlines	?	$282
Istanbul London Heathrow	Outbound 05/16/26 direct BA0719 04h 00min	Return 05/29/26 direct BA0720 03h 50min	British Airways	?	$284
Istanbul London Heathrow	Outbound 06/25/26 1 Stopover (WAW) LO0134, LO0285 10h 05min	Return 06/30/26 1 Stopover (WAW) LO0286, LO0135 08h 10min	Polskie Linie Lotnicze LOT		$292
Istanbul London Heathrow	Outbound 05/16/26 1 Stopover (BEG) JU0427, JU0214 16h 35min	Return 05/29/26 1 Stopover (BEG) JU0211, JU0426 12h 10min	Air Serbia	?	$332
Istanbul London Heathrow	Outbound 05/16/26 1 Stopover (WAW) LO0138, LO0285 17h 00min	Return 05/29/26 1 Stopover (WAW) LO0286, LO0135 08h 10min	Polskie Linie Lotnicze LOT	?	$358

Tips and tricks to help you find cheap flights from Istanbul to London Heathrow

Important flight information

Flight information: Istanbul - London Heathrow

Roundtrip from	241,90 $
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 Istanbul - London from 242 $

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