LHR IST
London to Istanbul — cheap flights
Bazaars, Bosphorus views and Turkish Airlines' huge network.
Round trip from
£150
12 Dec – 18 Dec · per person
Route facts
- Cheapest fare£150round trip, per person
- Cheapest monthDecDecember 2026
- Flying time≈ 3h 35mnon-stop estimate
- Distance2,488 kmLHR → IST
Best time to book
Cheapest round-trip fare travellers found recently, by month of departure.
- £196October 2026: £196
- £157November 2026: £157
- £150December 2026: £150 (cheapest)
- £154January 2027: £154
- £161February 2027: £161
- £165March 2027: £165
- £170April 2027: £170
- £184May 2027: £184
- £190June 2027: £190
- £210August 2027: £210
- £187September 2027: £187
- £171October 2027: £171
Cheapest month · round trip per person, in GBP · checked 24 Oct
Airlines with the cheapest fares
Who sold the lowest recent fare on London to Istanbul, for at least one month.
- LOT Polish Airlines1 stop · Dec£150
- Air France1 stop · Nov£157
- KLM1 stop · Feb£161
- British AirwaysNon-stop · Apr£170
Before you fly
Check the baggage
Low-cost fares often leave out a checked bag. Compare the total with bags, not just the ticket price.
Flexible by a few days?
Moving your dates by 1–3 days can noticeably cut the fare on LHR–IST. Try "Flexible dates" in the search.
Visas and documents
Check entry rules for Türkiye before you book. Many travel agencies can help with visa services.
London to Istanbul: common questions
How much is a flight from London to Istanbul?
Recent round-trip fares start from about £150 per person, for departures in December 2026. Fares change daily — search your dates for live prices.
Are there non-stop flights from London to Istanbul?
Yes — some of the cheapest recent fares were non-stop. A non-stop flight covers 2,488 km in roughly 3h 35m.
Do I book on Voyagy?
No. Voyagy compares prices; you book and pay on the airline's or travel agency's site. They issue your ticket and handle changes and refunds.
When should I book?
For most routes, booking 4–8 weeks ahead gets the best fares (2–4 months for long-haul). For school holidays, Christmas and Eid, book 2–3 months ahead.