LHR BKK
London to Bangkok — cheap flights
Temples, markets and a gateway to the Thai islands.
Round trip from
£363
25 Nov – 13 Dec · per person
Route facts
- Cheapest fare£363round trip, per person
- Cheapest monthNovNovember 2026
- Flying time≈ 12h 30mnon-stop estimate
- Distance9,577 kmLHR → BKK
Best time to book
Cheapest round-trip fare travellers found recently, by month of departure.
- £460October 2026: £460
- £363November 2026: £363 (cheapest)
- £392December 2026: £392
- £442January 2027: £442
- £450February 2027: £450
- £401March 2027: £401
- £537April 2027: £537
- £537June 2027: £537
- £846July 2027: £846
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 Bangkok, for at least one month.
- China Southern1 stop · Nov£363
- Air China1 stop · Dec£392
- Xiamen Airlines1 stop · Oct£460
- Air India1 stop · Apr£537
- Airline EW2 stops · Jul£846
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–BKK. Try "Flexible dates" in the search.
Visas and documents
Check entry rules for Thailand before you book. Many travel agencies can help with visa services.
London to Bangkok: common questions
How much is a flight from London to Bangkok?
Recent round-trip fares start from about £363 per person, for departures in November 2026. Fares change daily — search your dates for live prices.
Are there non-stop flights from London to Bangkok?
The cheapest recent fares on this route all had at least one stop. Turn on "Direct flights only" in the search to check for non-stop options on your dates.
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.