Direct (nonstop) flights from London to Istanbul

2 airlines fly nonstop from Heathrow (LHR) to Istanbul Airport (IST). It's 1,550 miles (2,494 km), about 3h 55m in the air. Operated by British Airways, Turkish Airlines.

LHR
Heathrow
🇬🇧 London, United Kingdom
IST
Istanbul Airport
🇹🇷 Istanbul, Turkiye
Flight Time
3h 55m
Distance
1,550 mi
2,494 km
CO₂/pax
262 kg
−33 kg vs. layover
Airlines
2
British Airways +1
Time Diff
+2h
Operated by British Airways British Airways Turkish Airlines Turkish Airlines

Route data last updated: May 27, 2026

Airlines with non-stop flights

British Airways BA British Airways
Route
LHR → IST
Flight Time
3h 55m
Distance
1,550 mi
Turkish Airlines TK Turkish Airlines
Route
LHR → IST
Flight Time
3h 55m
Distance
1,550 mi

Alternative Routes

Other ways to fly from London to Istanbul with one stop · direct emits 262 kg CO₂ per passenger

LHR BEG (Belgrade) IST
Leg 1: 2h 45m (1,058 mi) Leg 2: 1h 50m (493 mi) Total: ~4h 35m 🍃 295 kg CO₂ (+13% vs. direct)
Leg 1
LHR → BEG
2h 45m · 1,058 mi
View LHR to BEG flights →
Leg 2
BEG → IST
1h 50m · 493 mi
View BEG to IST flights →
LHR NUE (Nuremberg) IST
Leg 1: 1h 40m (526 mi) Leg 2: 2h 55m (1,027 mi) Total: ~4h 35m 🍃 295 kg CO₂ (+13% vs. direct)
Leg 1
LHR → NUE
1h 40m · 526 mi
View LHR to NUE flights →
Leg 2
NUE → IST
2h 55m · 1,027 mi
View NUE to IST flights →
LHR VIE (Vienna) IST
Leg 1: 2h 15m (793 mi) Leg 2: 2h 25m (762 mi) Total: ~4h 40m 🍃 313 kg CO₂ (+19% vs. direct)
Leg 1
LHR → VIE
2h 15m · 793 mi
View LHR to VIE flights →
Leg 2
VIE → IST
2h 25m · 762 mi
View VIE to IST flights →
LHR STR (Stuttgart) IST
Leg 1: 1h 40m (469 mi) Leg 2: 3h (1,082 mi) Total: ~4h 40m 🍃 295 kg CO₂ (+13% vs. direct)
Leg 1
LHR → STR
1h 40m · 469 mi
View LHR to STR flights →
Leg 2
STR → IST
3h · 1,082 mi
View STR to IST flights →
LHR CGN (Cologne) IST
Leg 1: 1h 25m (331 mi) Leg 2: 3h 15m (1,226 mi) Total: ~4h 40m 🍃 293 kg CO₂ (+12% vs. direct)
Leg 1
LHR → CGN
1h 25m · 331 mi
View LHR to CGN flights →
Leg 2
CGN → IST
3h 15m · 1,226 mi
View CGN to IST flights →

Looking for the return flight?

IST → LHR: Flights from Istanbul to London

Frequently Asked Questions

How long is the direct flight from London to Istanbul?

A nonstop flight from London (LHR) to Istanbul (IST) takes approximately 3 hours and 55 minutes. The distance is 1,550 miles (2,494 km).

Which airlines fly nonstop from London to Istanbul?

2 airlines: British Airways, Turkish Airlines.

Is there a nonstop flight from London to Istanbul?

Yes. 2 airlines: British Airways, Turkish Airlines.

How far is London from Istanbul?

The flight distance from London to Istanbul is 1,550 miles (2,494 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.

What is the time difference between London and Istanbul?

Istanbul is 2 hours ahead of London. (Europe/London vs Europe/Istanbul.)

What type of aircraft flies from London to Istanbul?

At 3h 55m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

Do I need a visa to travel from United Kingdom to Turkiye?

Depends on your passport. Check with the Turkiye embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from London to Istanbul?

Roughly 262 kg CO2 per passenger one-way. That's about the same as driving 1,310 km.

Is the return flight from Istanbul to London also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from London to Istanbul?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.

How early should I arrive at Heathrow for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.