Heathrow (LHR) to Istanbul (IST). Served by British Airways, Turkish Airlines.
| Departure | Return | Price |
|---|---|---|
| 06/23/2026 | 06/30/2026 | $99 |
| 06/23/2026 | 07/02/2026 | $99 |
| 06/15/2026 | 06/23/2026 | $100 |
| 06/27/2026 | 07/03/2026 | $100 |
| 06/27/2026 | 07/04/2026 | $100 |
| 06/22/2026 | 07/01/2026 | $103 |
| 06/23/2026 | 06/29/2026 | $103 |
| 06/23/2026 | 07/01/2026 | $103 |
| 06/29/2026 | 07/04/2026 | $103 |
| 06/29/2026 | 07/08/2026 | $103 |
Based on current fares, June is the cheapest month to fly from London to Istanbul, with average fares around $121 round trip (as low as $99).
August tends to be more expensive, averaging $264.
See the full month-by-month and day-of-week price analysis
Best Time to Fly LHR → ISTDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from London to Istanbul is June, with average round-trip fares around $121. Fares in June start as low as $99. The most expensive month is August, averaging $264.
A nonstop flight from London to Istanbul takes approximately 4h.
British Airways and Turkish Airlines fly from LHR to IST. That's 2 airlines serving this route.
The cheapest flight from London to Istanbul currently starts at $99 round trip in economy class.
The average round-trip flight price from London to Istanbul is $204 in economy class.
The distance is 1560 miles (2510 km). with a nonstop flight time of about 4h. Airlines on this route include British Airways, Turkish Airlines. The lowest fare currently available is $99 departing in June. The average round-trip fare is $204.
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