London (LON) → Bangkok (BKK) flights

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Quick facts

Airports: London (LHR/LGW/STN/LTN/LCY) → Bangkok (BKK/DMK)
Typical duration: ~11–13h (direct); 13–17h (1-stop)
Cheapest months: Jan–Mar; late Oct–early Dec (outside holidays)

Price tips for LON → BKK

Tue–Thu departures often beat Fri/Sun
Compare multiple London airports for price swings
1-stop via IST/DOH/DXB can undercut direct fares on fixed dates

Destination guide: Bangkok

Top sights

Grand Palace & Wat Phra Kaew
Wat Arun
Wat Pho
Chatuchak Market
Chao Phraya ferries & canals

Areas to stay

Sukhumvit (BTS, dining)
Riverside (views)
Siam (central malls)
Old City (temples)

Practical info

Currency: THB
Time zone: UTC+7
Plugs: A/B/C; 230V
Language: Thai (English in tourist areas)

When to go

Nov–Feb: coolest
Mar–May: hot
Jun–Oct: rainy (deals)

Festivals & key dates (Bangkok)

Songkran — mid-Apr (water festival, very busy)
Loy Krathong — Nov (lanterns on waterways)
New Year — late Dec/Jan 1 (peak travel)

Related routes

FAQs

Which airports are served?

London: LHR, LGW, STN, LTN, LCY. Bangkok: BKK and DMK.

When are fares usually lowest?

Jan–Mar and late Oct–early Dec, excluding holidays.