Direct (nonstop) flights from London to Bangkok

2 airlines fly nonstop from Heathrow (LHR) to Suvarnabhumi Airport (BKK). It's 5,957 miles (9,587 km), about 11h 33m in the air. Operated by EVA Air, Thai Airways International.

LHR
Heathrow
🇬🇧 London, United Kingdom
BKK
Suvarnabhumi Airport
🇹🇭 Bangkok, Thailand
Flight Time
11h 33m
Distance
5,957 mi
9,587 km
CO₂/pax
911 kg
−29 kg vs. layover
Airlines
2
EVA Air +1
Time Diff
+6h
Operated by EVA Air EVA Air Thai Airways International Thai Airways International

Route data last updated: May 31, 2026

Airlines with non-stop flights

EVA Air BR EVA Air
Route
LHR → BKK
Flight Time
11h 33m
Distance
5,957 mi
Thai Airways International TG Thai Airways International
Route
LHR → BKK
Flight Time
11h 33m
Distance
5,957 mi

Alternative Routes

Other ways to fly from London to Bangkok with one stop · direct emits 911 kg CO₂ per passenger

LHR LGW (London) BKK
Leg 1: 45m (25 mi) Leg 2: 11h 25m (5,952 mi) Total: ~12h 10m 🍃 940 kg CO₂ (+3% vs. direct)
Leg 1
LHR → LGW
45m · 25 mi
View LHR to LGW flights →
Leg 2
LGW → BKK
11h 25m · 5,952 mi
View LGW to BKK flights →
LHR BRU (Brussels) BKK
Leg 1: 1h 15m (217 mi) Leg 2: 11h (5,761 mi) Total: ~12h 15m 🍃 946 kg CO₂ (+4% vs. direct)
Leg 1
LHR → BRU
1h 15m · 217 mi
View LHR to BRU flights →
Leg 2
BRU → BKK
11h · 5,761 mi
View BRU to BKK flights →
LHR ISB (Islamabad) BKK
Leg 1: 7h 30m (3,769 mi) Leg 2: 4h 45m (2,223 mi) Total: ~12h 15m 🍃 977 kg CO₂ (+7% vs. direct)
Leg 1
LHR → ISB
7h 30m · 3,769 mi
View LHR to ISB flights →
Leg 2
ISB → BKK
4h 45m · 2,223 mi
View ISB to BKK flights →
LHR LHE (Lahore) BKK
Leg 1: 7h 50m (3,932 mi) Leg 2: 4h 28m (2,072 mi) Total: ~12h 18m 🍃 976 kg CO₂ (+7% vs. direct)
Leg 1
LHR → LHE
7h 50m · 3,932 mi
View LHR to LHE flights →
Leg 2
LHE → BKK
4h 28m · 2,072 mi
View LHE to BKK flights →
LHR VIE (Vienna) BKK
Leg 1: 2h 15m (793 mi) Leg 2: 10h 5m (5,256 mi) Total: ~12h 20m 🍃 976 kg CO₂ (+7% vs. direct)
Leg 1
LHR → VIE
2h 15m · 793 mi
View LHR to VIE flights →
Leg 2
VIE → BKK
10h 5m · 5,256 mi
View VIE to BKK flights →

Looking for the return flight?

BKK → LHR: Flights from Bangkok to London

Frequently Asked Questions

How long is the direct flight from London to Bangkok?

A nonstop flight from London (LHR) to Bangkok (BKK) takes approximately 11 hours and 33 minutes. The distance is 5,957 miles (9,587 km).

Which airlines fly nonstop from London to Bangkok?

2 airlines: EVA Air, Thai Airways International.

Is there a nonstop flight from London to Bangkok?

Yes. 2 airlines: EVA Air, Thai Airways International.

How far is London from Bangkok?

The flight distance from London to Bangkok is 5,957 miles (9,587 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Tokyo.

What is the time difference between London and Bangkok?

Bangkok is 6 hours ahead of London. (Europe/London vs Asia/Bangkok.)

Will I experience jet lag flying from London to Bangkok?

Probably — 6-hour time difference means moderate jet lag. Expect about 1 day of adjustment per hour of shift. Flying eastward is generally harder to adjust to.

What type of aircraft flies from London to Bangkok?

At 11h 33m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.

Do I need a visa to travel from United Kingdom to Thailand?

Depends on your passport. Check with the Thailand embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from London to Bangkok?

Roughly 911 kg CO2 per passenger one-way. That's about the same as driving 4,555 km.

Is the return flight from Bangkok to London also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from London to Bangkok?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.

How early should I arrive at Heathrow for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.