Cheap flights from London Heathrow to Istanbul IST (LHR–IST)
United Kingdom
Turkey
British Airways and Turkish Airlines fly London Heathrow to Istanbul IST (LHR–IST) nonstop and back, a great-circle distance of 2,490 km (1,550 mi).
- From
- LHR
- London Heathrow
- To
- IST
- Istanbul IST
- Nonstop
- Yes · 2 airlines
- Airlines
- BA · TK
- Cheapest fare found
- £93 one-way
- Distance
- 2,490 km (1,550 mi)
- Time difference
- Istanbul IST 2 hours ahead
- Most flights
- Turkish Airlines
- Time in the air
- 3h 07m
- On time (Touchdown Index)
- 71.8%
- Flights a week
- BA ~9 · TK ~16
- Aircraft seen
- Airbus A321neo · Airbus A320neo · Airbus A350-900
Data from the sources listed, updated:· How we verify
London Heathrow to Istanbul IST fares by month
Cheapest one-way fare found: £93 for August 2027 on LOT Polish Airlines (1 stop). Nonstop from £115.
- Oct ’26£124
- Nov ’26£102nonstop £118
- Dec ’26£100nonstop £122
- Jan ’27£95
- Feb ’27£94
- Mar ’27£96nonstop £115
- Apr ’27£97
- May ’27£99
- Jun ’27£94
- Jul ’27£111
- Aug ’27£93
- Sept ’27£111
Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search.
When to fly LHR–IST
For London Heathrow (LHR) to Istanbul (IST), August 2027 had the lowest fare found (£93). Days in Istanbul IST average 18–28 °C in May, June, July, September and October. Set your watch 2 hours forward on landing at IST.
London Heathrow to Istanbul IST: frequently asked questions
Fares: Aviasales price cache, 11 October 2026; tracked flights between 6 September and 3 October 2026, from public ADS-B data.
How much is a flight from London Heathrow (LHR) to Istanbul (IST)?
From £93 one-way, the cheapest fare found for August 2027 on LOT Polish Airlines with 1 stop; nonstop from £115 (found 11 October 2026).
How long is the LHR–IST flight?
3h 07m wheels-up to wheels-down, the median of 203 tracked flights.
Which airlines fly LHR–IST direct?
British Airways and Turkish Airlines.
What is the cheapest month to fly LHR–IST?
August 2027, at £93; the dearest month found was £124.
What is the time difference between London Heathrow and Istanbul IST?
Istanbul IST is 2 hours ahead of London Heathrow: a LHR departure at noon is 14:00 local time in IST.
Is LHR–IST usually on time?
71.8% of 188 LHR–IST flights landed within 15 minutes of their usual time; 9% were over an hour late.
How many LHR–IST flights a week?
British Airways 9 and Turkish Airlines 16 each way.
What aircraft fly LHR–IST?
Airbus A321neo, Airbus A320neo and Airbus A350-900.
Istanbul IST to London Heathrow: the return flight (IST–LHR)
All 2 airlines also fly IST–LHR nonstop.
Airlines flying LHR–IST nonstop
| Airline | Usually takes off (LHR time) | Type | Alliance |
|---|---|---|---|
 British Airways BA | 06:39–19:25 | full-service | oneworld |
 Turkish Airlines TK | 06:36–18:57 | full-service | Star Alliance |
One-stop alternatives to flying LHR–IST nonstop
One airline on both legs; check it's sold as one ticket.
- Via Belgrade (BEG) with
Air Serbia: 2,490 km (1,550 mi) flown, almost no further than nonstop. - Via Frankfurt (FRA) with
Lufthansa: 2,490 km (1,550 mi) flown, almost no further than nonstop. - Via Munich (MUC) with Lufthansa: 2,490 km (1,550 mi) flown, almost no further than nonstop.
- Via Paris (CDG) with
Air France: 2,560 km (1,590 mi) flown, 3% further than nonstop. - Via Amsterdam (AMS) with
KLM: 2,550 km (1,590 mi) flown, 3% further than nonstop.
LHR–IST route map
More from London Heathrow and Istanbul IST
Other arrivals in Turkey
Also nonstop from LHR, nearest to IST first (straight-line distance):
- Bodrum (BJV) airport guide · 457 km (284 mi) from IST
- Dalaman (DLM) airport guide · 507 km (315 mi) from IST
Explore the airlines’ route maps
Departure
London Heathrow Airport
Heathrow (LHR), London. In our data, 81 airlines fly nonstop from LHR to 213 destinations.
View LHR airport guide →Arrival
İstanbul Airport
3 ways into Istanbul, fastest from 35 min:
- M11 metro 35–40 min
- Havaist airport coach 1h–1h 40m
- Taxi (meter) 45 min–1h 30m
Weather in Istanbul IST vs London Heathrow
Istanbul IST is warmer than London Heathrow in 8 months and cooler in 0; the biggest gap is in August (28°C against 23°C). In October it averages 20°C in Istanbul IST and 16°C in London Heathrow.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Istanbul IST | 9° | 9° | 12° | 16° | 21° | 26° | 28° | 28° | 25° | 20° | 15° | 11° |
| London Heathrow | 9° | 9° | 12° | 16° | 19° | 22° | 24° | 23° | 21° | 16° | 12° | 9° |
Average daily highs. Climate normals from Istanbul and Climate of London (Wikipedia, CC BY-SA), which cite the national weather services.
Other nonstop airport pairs, London to Istanbul
London and Istanbul are connected nonstop from more than one airport. Compare the pairs by airline count:
Onward from Istanbul IST
Places you can't fly to nonstop from LHR, but can from IST — for a stopover or a second leg.
Related routes
Sources
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- mediacentre.britishairways.com — Gatwick–Bangkok year-round from 2026
- en.wikipedia.org — current destination list, cross-checked 2026-09-25 (terminated routes removed)
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- turkishairlines.com — Turkish Airlines destinations from Istanbul
- en.wikipedia.org — current destination list, cross-checked 2026-09-25 (terminated routes removed)
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
Flight tracking: adsb.lol community ADS-B data (CC0), 6 September – 3 October 2026. Times are median wheels-up to wheels-down; add taxiing for gate-to-gate.
Report a change — seen something different at the airport or on the airline's site? We re-check and log corrections publicly.