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London (LHR) to Bangkok (BKK) flight prices

A quick snapshot of London (LHR) to Bangkok (BKK) fares — lowest and typical prices plus the cheapest months and weekdays to fly, the airlines on the route and the usual duration for travel from United Kingdom to Thailand.

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Estimated median price for a one-way ticket

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Price graph and price trends for Heathrow-Suvarnabhumi Airport
Weekly price trend
Today
2027
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Week
14
18
22
26
30
34
38
42
46
50
1
5
USD 0–0
USD 1–1
USD 2–2
USD 3–3
USD 4–0
Monthly price summary
February
March
April
May
June
July
August
September
October
November
December
January

Ticket prices for London to Bangkok (--) are shown here with weekly or monthly averages to indicate cheaper and more expensive periods.

Source: Flightprices.com & Kayak.com
Forecast updated: May 20, 2026.
Flight information
LHR → BKK
Flight frequency
21 flights/week
Type
Direct flight
Duration
11 hours 35 minutes

Airlines with non-stop flights on this route:
Thai Airways logo Thai Airways EVA Air logo EVA Air
FAQ – London (LHR) → Bangkok (BKK)

No dedicated low-cost airlines fly directly between London and Bangkok. Instead, full-service carriers such as Thai Airways and EVA Air operate this route.

Usually yes, but not always. Check both options — you can easily switch between them in our widget.

For domestic routes like LHR-BKK, good deals often appear a few weeks out. Watch for sales and avoid peak dates.
LHR–BKK
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London (LHR)
Bangkok (BKK)
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