$402 Find Cheap Flights from Bangkok to London – Compare and Save

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

• Earliest: departs at 00:25 and lands at 13:40
• Latest: departs at 13:20 and lands at 02:35.

The flight takes about 13h 15m.

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

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

Prices vary by airline.

A direct flight from Bangkok Suvarnabhumi Airport to London Heathrow Airport takes 13h 15m, covering 15,402 km.

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.

Return flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport range from $1,232 to $1,659, with an average of $1,484 over the past 12 months. Anything below $1,232 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 4% above the $1,484 route average. Book 12 weeks before departure for the lowest fares.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average $909 return via Stockholm Arlanda (ARN), compared with $1,636 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge $99–$143 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The Boeing 777-300ER family is used most often on this route, operated mainly by Thai Airways and EVA Air. Other aircraft seen on the route include Boeing 777 variants.

Afternoon is the busiest departure period on Bangkok Suvarnabhumi Airport to London Heathrow Airport flights, with 66% leaving in that window. Night departures account for 33%, Morning flights for 1%, and Evening flights for 0%.

One-way fares from Bangkok Suvarnabhumi Airport to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about $408, which is 42% below the typical average for this route.

London Heathrow Airport (LHR) hosts 5 major car hire companies, with daily rates starting from around $10 for economy cars. Top options include:

• GREEN MOTION
• DRIVALIA
• Europcar
• Alamo
• Hertz

Flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport usually depart from Bangkok Suvarnabhumi (BKK) and arrive at London Heathrow (LHR).

Night flights have the fewest delays on this route, while afternoon departures tend to have the most.

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 Bangkok Suvarnabhumi Airport to London Heathrow Airport route, 11% of flights were delayed in the past three months, with delays averaging 1h 35m.

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

• Abu Dhabi Zayed Intl (AUH) – 28% of one-stop connections
• Doha Hamad Intl (DOH) – 16% of one-stop connections
• Muscat Seeb (MCT) – 16% of one-stop connections
• Dubai Intl (DXB) – 12% of one-stop connections

Yes. Flexible dates can save you up to 10% on flights from Bangkok Suvarnabhumi Airport to London Heathrow Airport. Tuesday is the cheapest departure day at $1,416 return on average, while Saturday is the most expensive at $1,556, a difference of $140.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

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

• Thai Airways
• EVA Air

Flying via Vienna Intl (VIE) gives the shortest average 1-stop total travel time of 14h 17m, compared to 14h 36m via Zurich (ZRH) and 15h 26m via Dubai Intl (DXB).

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

Hyde Park is one of the most viewed places in London Heathrow Airport on KAYAK.

Among airlines operating Bangkok Suvarnabhumi Airport to London Heathrow Airport flights:

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

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

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

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

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

Flying can be daunting for children when alone and a direct flight is preferable. Thai Airways offers a direct flight with an Unaccompanied Minor service. It looks after children between 8 and 11, and is optional for children between 12 and 17. This way they will be collected at Departures, accompanied to the plane, monitored, fed and delivered safely to their guardians at Arrivals in London.

If you have special dietary requirements, Emirates has a great selection of curated meals. Religious-based meals such as Jain, Hindu, Halal and Kosher come in meat or vegetarian variants. Standard vegetarian or vegan meals are available, as well as health-based meals such as low-lactose, low-sodium, low-fat and much more.

Qatar is a great airline when it comes to disability assistance. Fill out the medical assistance form on their website at least 48 hours before departure so the crew can best prepare for your needs. All sensory needs, physical needs and dietary needs can be taken care of. The actual planes are mobility-friendly and the crew will assist with all your mobility needs. This will apply to the airport as well when you arrive at your destination.

Getting to London from the airport is incredibly easy with the remarkable public transportation networks set up at the airport. In terminals 2, 3, 4 and 5 you will find Tube train stations. Catch the Piccadilly line and head into the city with ease. The Tube runs all day, all week and is extremely cost-effective.