$328 Find Cheap Flights from London Heathrow Airport to Bangkok - Compare and Save

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

• Earliest: departs at 11:50 am and lands at 11:23 pm
• Latest: departs at 9:35 pm and lands at 9:08 am.

The flight takes about 11h 33m.

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

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

Prices vary by airline.

A nonstop flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport takes 11h 33m, covering 5,947 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.

Round-trip flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport range from $753 to $1,112, with an average of $919 over the past 12 months. Anything below $753 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 1% above the $919 route average. Book 3 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $152 round-trip via Tokyo Haneda (HND), compared to $1,052 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $22–$100 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 Lufthansa. Other aircraft seen on the route include Boeing 777 variants.

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

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

One-way fares from London Heathrow Airport to Bangkok Suvarnabhumi Airport are currently lower than usual. Average one-way flight prices are about $376, which is 36% below the typical average for this route.

Bangkok Suvarnabhumi Airport (BKK) hosts 5 major car rental companies, with daily rates starting from around $13 for economy cars. Top options include:

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

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

Morning 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 London Heathrow Airport to Bangkok Suvarnabhumi Airport route, 10% of flights were delayed in the past 3 months, with delays averaging 1h 32m.

One-stop flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport 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

Yes. Flexible dates can save you up to 5% on flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport. Tuesday is the cheapest departure day at $901 round-trip on average, while Friday is the most expensive at $941, a difference of $40.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

• Thai Airways
• EVA Air

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

Bangkok Suvarnabhumi Airport 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.

Some of the most popular sights in Bangkok Suvarnabhumi Airport are Pratunam, Siam Square and Thailand Cultural Center. These are among the most viewed places in Bangkok Suvarnabhumi Airport on KAYAK.

Among airlines operating London Heathrow Airport to Bangkok Suvarnabhumi Airport 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.

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 always check the fare details before booking.

Thailand’s national airline, Thai Airways and the Taiwanese EVA Air both operate direct flights from LHR to BKK throughout the week. The airline operates out of London Heathrow. There are other, connecting flights operated out of LHR by airlines such as Swiss Air, KLM Royal Dutch Airlines and Lufthansa that may provide more flexibility.

Yes, it is possible. There are currency exchange bureaus, operated by Siam Commercial Bank and Kasikorn Bank, that are located in the Arrivals hall on the second floor and the Meet and Greet area on the third floor of the Main Terminal building. These exchange kiosks are open 24/7. Alternatively, there are non-bank exchange booths that are located next to the Aerolink train platform and these are open from around 06:00 to 00:00.

If your flight from London to Bangkok arrives late in the evening or has been delayed you could always book into the Novotel Suvarnabhumi Airport Hotel, which is located a 3-minute walk from the main airport terminal and can be accessed via an underground walkway. Staying here will save on navigating the traffic into the city at night.

There is an Airport Rail Link train into the city which avoids the traffic on the roads. This service costs between ฿15 (around £0.37) and ฿45 (around £1) depending on the length of the journey. The journey into the city will take around 30min. Alternatively you can take advantage of the airport taxi service, booking a taxi at the desk in Terminal 1 before joining the queue for the next available car. This service is slightly more expensive and will be in the region of about ฿240 (around £6).