TK's Business Class offers direct aisle access and fully reclining seats.
TK's Economy seats feature adjustable headrests and USB charge points.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $202 (British Airways) |
One-way from | $98 (Aegean Airlines) |
Popular in | July |
Cheapest in | January |
Average price | $241 |
Good round-trip deal | $324 or less |
Good one-way deal | $223 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonIstanbul
LHR - IST
LHRIST
London Heathrow
Wed 2/11
6:05 pm-1:00 am
Nonstop3h 55m
Istanbul
Wed 2/25
2:45 pm-4:10 pm
Nonstop4h 25m
LondonIstanbul
LHR - IST
LHRIST
London Heathrow
Thu 1/29
6:40 am-1:35 pm
Nonstop3h 55m
Istanbul
Tue 2/3
6:40 pm-7:55 pm
Nonstop4h 15m
LondonIstanbul
LHR - IST
LHRIST
London Heathrow
Sat 1/17
10:30 am-5:25 pm
Nonstop3h 55m
Istanbul
Wed 1/21
2:45 pm-4:10 pm
Nonstop4h 25m
LondonIstanbul
LHR - IST
LHRIST
London Heathrow
Fri 12/5
7:00 am-1:55 pm
Nonstop3h 55m
Istanbul
Mon 12/8
6:40 pm-7:55 pm
Nonstop4h 15m
LondonIstanbul
LHR - IST
LHRIST
London Heathrow
Sun 12/7
6:15 pm-1:10 am
Nonstop3h 55m
Istanbul
Sun 12/14
9:20 pm-10:35 pm
Nonstop4h 15m
LondonIstanbul
LHR - IST
LHRIST
London Heathrow
Sun 2/8
6:30 am-4:55 pm
1 stop7h 25m
Istanbul
Thu 2/12
4:50 am-8:00 am
1 stop6h 10m
LondonIstanbul
LHR - IST
LHRIST
London Heathrow
Wed 2/25
6:05 pm-1:00 am
Nonstop3h 55m
Istanbul
Sun 3/1
8:20 am-9:50 am
Nonstop4h 30m
LondonIstanbul
LHR - IST
LHRIST
London Heathrow
Sat 1/3
7:00 am-1:55 pm
Nonstop3h 55m
Istanbul
Sun 1/18
9:20 pm-10:35 pm
Nonstop4h 15m
LondonIstanbul
LHR - IST
LHRIST
London Heathrow
Thu 11/27
6:00 pm-12:55 am
Nonstop3h 55m
Istanbul
Wed 12/3
3:10 pm-4:10 pm
Nonstop4h 00m
LondonIstanbul
LHR - IST
LHRIST
London Heathrow
Fri 4/3
1:30 pm-3:35 am
1 stop12h 05m
Istanbul
Sat 4/11
4:20 am-7:10 pm
1 stop16h 50m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Booking 52 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Istanbul Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Istanbul Airport (average of $157). Flying from London Heathrow Airport to Istanbul Airport in July is currently the most expensive (average of $239). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Istanbul Airport in the morning. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight in the evening.
About 12% of weekly flights between London and Istanbul have experienced delays in the past year, with the average delay time being 133 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, British Airways have had the lowest number of delays on this route, with just 10% of flights being delayed.
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Christina,Sep 2025
DTW - IST
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Christina,Sep 2025
DTW - IST
Crew
Entertainment
Overall
Boarding
Food
Comfort
Reviews
Christina,Sep 2025
DTW - IST
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$183 | Average$279 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$206 | Average$284 | FlexibilityNo cancel fee | On-time77% |