London → Bangkok
London Gatwick Airport (LGW) to Suvarnabhumi Airport (BKK)・9,570 km
Nonstop flights available (2 airlines). Flight time about 11h 46m. Nonstop return flights also operate.
With milesANA 29,500 miles+ (via ZRH)JAL 37,000 miles+ (nonstop)Economy, one way, estimate. Tap a connection for miles by cabin.
Nonstop flights
Award miles (one way, estimate)
- JAL Mileage Bank — partner airline awardBA only · total distance ≈ 5,947 mi (band 4,001–6,000) · close to a band boundary
- Economy
- 37,000
- Premium economy
- 46,000
- Business
- 60,000
- First
- 90,000
Estimates from the airlines' published award charts (as of 2026-11-02). Seat availability, fuel surcharges and stopover rules are not included.
Best places to connect
38 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.
Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.
Related routes
All flights from London to Bangkok, every airport