Quick facts
Airports
London (LHR/LGW/STN/LTN/LCY) → Bangkok (BKK/DMK)
London (LHR/LGW/STN/LTN/LCY) → Bangkok (BKK/DMK)
Typical travel time
~11–13h direct; ~13–17h with one change (varies)
~11–13h direct; ~13–17h with one change (varies)
Best strategy
Check mid-week dates and use the monthly price calendar to spot dips
Check mid-week dates and use the monthly price calendar to spot dips
Good to know
Flexible return dates can save more than shifting departure
Flexible return dates can save more than shifting departure
Price tips for LON → BKK
- Try several London airports; fares can differ by £30–£100 on the same week.
- Peek at shoulder periods around busy seasons and national holidays.
- One-stop itineraries can undercut direct flights by a good margin—filter by stops on the results page.
Related routes
FAQs
What’s the cheapest time to fly?
Prices move with demand. Use the calendar to scan a whole month—shoulder weeks outside peak holidays often dip the most.
Which London and Bangkok airports can I choose?
London departures commonly include Heathrow (LHR), Gatwick (LGW), Stansted (STN), Luton (LTN) and City (LCY). Bangkok uses Suvarnabhumi (BKK) and Don Mueang (DMK).
How early should I book?
There’s no universal rule, but booking several weeks ahead for economy is typical. If you’re flexible, watch for dips on mid-week dates.