£244 Find Cheap Flights from London Heathrow Airport to Bangkok – Compare and Save

Among airlines operating London Heathrow Airport to Bangkok flights:

• EVA Air: offers extra legroom; offers free seat selection
• Thai Airways: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between London Heathrow Airport and Bangkok. The airlines offering direct flights on this route include:

• Thai Airways
• EVA Air

Flights from London Heathrow Airport to Bangkok usually depart from London Heathrow (LHR) and may arrive at several airports in Bangkok area, including Bangkok Suvarnabhumi (BKK) and Bangkok Don Mueang Intl (DMK).

Here are some options for this route, based on selected ticket types and cabin classes:

• EVA Air: a cabin bag and a checked bag in Economy class
• Thai Airways: a cabin bag and a checked bag in Economy class
• Lufthansa: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Four cabin classes are available on flights from London Heathrow Airport to Bangkok:

• Economy class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average £113 return via Tokyo Haneda (HND), compared with £779 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £29–£74 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

One-stop flights from London Heathrow Airport to Bangkok most commonly connect through:

• Abu Dhabi Zayed Intl (AUH) – 28% of one-stop connections
• Doha Hamad Intl (DOH) – 18% of one-stop connections
• Muscat Seeb (MCT) – 10% of one-stop connections
• Beijing Capital (PEK) – 6% of one-stop connections

Abu Dhabi Zayed Intl (AUH) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 5% on the London Heathrow Airport to Bangkok route. Tuesday is the cheapest departure day at £668 return on average, while Friday is the most expensive at £697, a difference of £29. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the London Heathrow Airport to Bangkok route, 10% of flights were delayed in the past 3 months, with delays averaging 1 hour 31 minutes.

Night is the busiest departure period on London Heathrow Airport to Bangkok flights, with 66% leaving in that window. Morning departures account for 34%, Afternoon flights for 0%, and Evening flights for 0%.

Some of the most popular sights in Bangkok are Soi Cowboy, Pratunam, and Lumpini Park. These are among the most viewed places in Bangkok on KAYAK.

These are the earliest and latest flight times available from London Heathrow Airport to Bangkok:

• Earliest: departs at 11:50 and lands at 23:24
• Latest: departs at 21:35 and lands at 09:09.

The flight takes about 11h 34m.

Last-minute fares on this route (booked within 2 weeks of departure) run 1% above the route average of £681. Book 3 weeks before departure for the lowest fares.

A direct flight from London Heathrow Airport to Bangkok takes 11h 34m, covering 5,934 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from London Heathrow Airport to Bangkok are currently lower than usual. Average one-way flight prices are about £262, which is 40% below the typical average for this route.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Vienna Intl (VIE) gives the shortest average 1-stop total travel time of 14h 30m, compared to 15h 13m via Munich Franz Josef Strauss (MUC) and 15h 15m via Zurich (ZRH).

Bangkok is 6 hours ahead of London Heathrow Airport (Indochina Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

Since Bangkok is served by multiple airports, car hire options and rates can vary depending on which one you fly into.
Near Bangkok Suvarnabhumi Airport (BKK) – daily rates from around £10:

• Drive Car Rental
• Alamo
• Sixt
• Yesaway
• Hertz

Near Bangkok Don Mueang Intl Airport (DMK) – daily rates from around £5:

• Drive Car Rental
• Alamo
• THAIRENTACAR
• Enterprise Rent-A-Car
• Chic Car Rent

Return flights from London Heathrow Airport to Bangkok range from £558 to £824, with an average of £681 over the past 12 months. Anything below £558 counts as a good deal.

EVA Air is the only airline on the London Heathrow Airport to Bangkok route offering in-flight Wi-Fi. Pricing depends on fare class.