Cheapest one-way flights from London to Bangkok in January from $382

AirHint found the following cheapest one-way flights from London (LHR) to Bangkok (BKK) in January 2026 (see full year).

One-Way flights

22 Jan British Airways
29 Jan British Airways
11 Jan British Airways
18 Jan Aegean Airlines
15 Jan Aegean Airlines
08 Jan Aegean Airlines
25 Jan Aegean Airlines
27 Jan British Airways
24 Jan Iberia
17 Jan Oman Air

Also check the deals for return flights from London to Bangkok in January.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Feel free to contact us with any feedback or request another flight research.