LHR - BKK

฿10,954 Find Cheap Flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport – Compare and Save

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Everything you should know

Cheapest return flight
฿18,179
Typical prices: ฿24,844-฿36,690
Air China
Fri 16/11Fri 7/12
LHR - BKK • 1 stop
Cheapest direct flights
฿25,932
Typical prices: ฿31,080-฿41,609
EVA Air
Fri 19/10Fri 14/12
LHR - BKK • Direct
Direct flights
You can fly direct with Thai Airways and EVA Air. Average duration is 11h 35m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 97% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 3 weeks in advance save around 5% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 18% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg ฿5,027 (return)
Shortest trip • 14h 30m (one-way)
Insights
Insights
Start a new search
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We hope you enjoy your trip to Bangkok Suvarnabhumi Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Heathrow to Suvarnabhumi (LHR-BKK)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Heathrow to Suvarnabhumi

Thu 26 Nov - Thu 3 Dec
Air China Logo
17:45 - 00:10LHR  London Heathrow-BKK Bangkok Suvarnabhumi
23h 25m1 stop Beijing Capital
Air China Logo
01:30 - 15:55BKK  Bangkok Suvarnabhumi-LHR London Heathrow
21h 25m1 stop Beijing Capital
฿18,179Air China
Mon 11 Jan - Sun 28 Feb
Air China Logo
20:25 - 00:10LHR  London Heathrow-BKK Bangkok Suvarnabhumi
20h 45m1 stop Beijing Capital
Air China Logo
19:30 - 17:50BKK  Bangkok Suvarnabhumi-LHR London Heathrow
29h 20m1 stop Beijing Capital
฿18,179Air China
Wed 28 Oct - Sun 15 Nov
China Southern Logo
22:00 - 11:25LHR  London Heathrow-BKK Bangkok Suvarnabhumi
30h 25m1 stop Guangzhou Baiyun
China Southern Logo
20:10 - 18:35BKK  Bangkok Suvarnabhumi-LHR London Heathrow
29h 25m1 stop Guangzhou Baiyun
฿18,212China Southern
Sat 21 Nov - Wed 23 Dec
China Southern Logo
22:00 - 01:05LHR  London Heathrow-BKK Bangkok Suvarnabhumi
20h 05m1 stop Guangzhou Baiyun
China Southern Logo
19:55 - 18:35BKK  Bangkok Suvarnabhumi-LHR London Heathrow
29h 40m1 stop Guangzhou Baiyun
฿18,212China Southern
Wed 27 Jan - Mon 8 Feb
Qatar Airways Logo
14:55 - 13:05LHR  London Heathrow-BKK Bangkok Suvarnabhumi
15h 10m1 stop Doha Hamad Intl
Qatar Airways Logo
09:05 - 21:55BKK  Bangkok Suvarnabhumi-LHR London Heathrow
19h 50m1 stop Doha Hamad Intl
฿20,819Qatar Airways
Tue 26 Jan - Wed 10 Feb
Qatar Airways Logo
09:25 - 06:40LHR  London Heathrow-BKK Bangkok Suvarnabhumi
14h 15m1 stop Doha Hamad Intl
Qatar Airways Logo
09:05 - 21:55BKK  Bangkok Suvarnabhumi-LHR London Heathrow
19h 50m1 stop Doha Hamad Intl
฿20,819Qatar Airways
Sun 4 Oct - Sat 24 Oct
Air India Logo
09:45 - 16:55LHR  London Heathrow-BKK Bangkok Suvarnabhumi
25h 10m1 stop New Delhi Indira Gandhi Intl
Air India Logo
20:20 - 12:05BKK  Bangkok Suvarnabhumi-LHR London Heathrow
21h 45m1 stop Mumbai Chhatrapati Shivaji Intl
฿21,742Air India
Wed 7 Oct - Thu 15 Oct
Air India Logo
21:05 - 19:20LHR  London Heathrow-BKK Bangkok Suvarnabhumi
16h 15m1 stop Mumbai Chhatrapati Shivaji Intl
Air India Logo
07:30 - 19:00BKK  Bangkok Suvarnabhumi-LHR London Heathrow
17h 30m1 stop New Delhi Indira Gandhi Intl
฿21,940Air India
Sun 1 Nov - Sun 8 Nov
โอมานแอร์ Logo
08:25 - 17:15LHR  London Heathrow-BKK Bangkok Suvarnabhumi
25h 50m1 stop Muscat Seeb
โอมานแอร์ Logo
19:10 - 05:55BKK  Bangkok Suvarnabhumi-LHR London Heathrow
17h 45m1 stop Muscat Seeb
฿23,029โอมานแอร์
Mon 2 Nov - Sun 8 Nov
โอมานแอร์ Logo
20:05 - 06:45LHR  London Heathrow-BKK Bangkok Suvarnabhumi
27h 40m1 stop Muscat Seeb
โอมานแอร์ Logo
09:00 - 05:55BKK  Bangkok Suvarnabhumi-LHR London Heathrow
27h 55m1 stop Muscat Seeb
฿23,029โอมานแอร์
Booking Insights

Price, demand, and travel trends for London Heathrow Airport to Bangkok Suvarnabhumi Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport with more confidence.

How much is a return flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

Return flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport start at ฿18,179. Prices are below average for this route right now, with typical return fares ranging from ฿24,844 to ฿36,690. The lowest price found in the past 5 days was ฿18,179 on Air China.

What's the cheapest day of the week to fly from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

Tuesday is the cheapest day of the week to fly from London Heathrow Airport to Bangkok Suvarnabhumi Airport and is 2% cheaper than the average day. Friday is the most expensive day with flight prices 2% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

  • May is the cheapest month to fly from London Heathrow Airport to Bangkok Suvarnabhumi Airport at ฿24,943 return.
  • December (฿41,538) and July (฿37,414) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 66% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from London Heathrow Airport to Bangkok Suvarnabhumi Airport the cheapest?

Flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport are cheapest 3 weeks before departure. Booking in this window typically costs about 5% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for London Heathrow Airport to Bangkok Suvarnabhumi Airport flights

Low season

June

Cheapest flight

฿10,987
Best time to beat the crowds (14% less expensive on average)
Most popular time to fly (37% more expensive on average)
Flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport

When to book flights from Heathrow to Suvarnabhumi

Are your dates flexible? Find out the best times to travel from Heathrow to Suvarnabhumi based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your London Heathrow Airport to Bangkok Suvarnabhumi Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Can I book a direct flight from London Heathrow (LHR) to Bangkok Suvarnabhumi International Airport (BKK)?

    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.

  • Is it possible to exchange currency on arrival into Bangkok Suvarnabhumi International Airport?

    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.

  • Is there an airport hotel at BKK?

    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.

  • How do I get from Bangkok Suvarnabhumi International Airport into the city and beyond?

    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).

  • Which airlines offer extra legroom and free seat selection on London Heathrow Airport to Bangkok Suvarnabhumi Airport flights?

    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.

  • Which airlines are available on the route from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

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

    • Thai Airways
    • EVA Air

  • Which airports can I use when flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

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

  • Which airlines include bags at no extra cost on London Heathrow Airport to Bangkok Suvarnabhumi Airport flights?

    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

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

  • Which cabin classes can I book on flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

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

    • Economy class
    • Premium Economy Class
    • Business Class

  • How much can I save by having a stopover when flying from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average ฿5,027 return via Tokyo Haneda (HND), compared with ฿34,702 for direct.

  • What is the standard checked bag allowance on flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge ฿1,272–฿3,299 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

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

  • Which airports do connecting flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport pass through?

    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

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

  • Can I save money by using flexible dates for flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

    Yes. Being flexible with your travel dates can save you up to 5% on the London Heathrow Airport to Bangkok Suvarnabhumi Airport route. Tuesday is the cheapest departure day at ฿29,727 return on average, while Friday is the most expensive at ฿31,046, a difference of ฿1,320. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed on the route from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

    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 1 hour 31 minutes.

  • How are flight departures from London Heathrow Airport to Bangkok Suvarnabhumi Airport spread across the day?

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

  • What popular places can I visit in Bangkok Suvarnabhumi Airport?

    Some of the most popular sights in Bangkok Suvarnabhumi Airport are Victory Monument, Thammasat University, and Centralworld. These are among the most viewed places in Bangkok Suvarnabhumi Airport on KAYAK.

  • What are the earliest and latest flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

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

    • Earliest: departs at 11:50 and lands at 23:25
    • Latest: departs at 21:35 and lands at 09:10.

    The flight takes about 11h 35m.

  • How expensive are last-minute London Heathrow Airport to Bangkok Suvarnabhumi Airport flights?

    Last-minute fares on this route (booked within 2 weeks of departure) run 1% above the route average of ฿30,305. Book 3 weeks before departure for the lowest fares.

  • How long is a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

    A direct flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport takes 11h 35m, covering 15,402 km.

  • Do I need a passport to fly from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

    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.

  • How are flight prices from London Heathrow Airport to Bangkok Suvarnabhumi Airport looking right now?

    One-way fares from London Heathrow Airport to Bangkok Suvarnabhumi Airport are currently lower than usual. Average one-way flight prices are about ฿12,445, which is 36% below the typical average for this route.

  • How do delay rates compare for morning and evening flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

    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.

  • How much time can I save by choosing a different stopover airport from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

    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).

  • What is the time difference between London Heathrow Airport and Bangkok Suvarnabhumi Airport?

    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.

  • Which car hire options are available at Bangkok Suvarnabhumi Airport (BKK)?

    Bangkok Suvarnabhumi Airport (BKK) hosts 5 major car hire companies, with daily rates starting from around ฿443 for economy cars. Top options include:
    • Drive Car Rental
    • Alamo
    • Sixt
    • Yesaway
    • Hertz

  • How much should I expect to pay for a London Heathrow Airport to Bangkok Suvarnabhumi Airport flight?

    Return flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport range from ฿24,844 to ฿36,690, with an average of ฿30,305 over the past 12 months. Anything below ฿24,844 counts as a good deal.

  • Which airlines offer Wi-Fi on London Heathrow Airport to Bangkok Suvarnabhumi Airport flights?

    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.

Your guide to booking London Heathrow Airport to Bangkok Suvarnabhumi Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure instead of Friday. On this route, Tuesday flights average ฿29,727 – about ฿1,320 less than Friday (4% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 3 weeks before you fly. On this route, that window historically saves about 5% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your London Heathrow Airport to Bangkok Suvarnabhumi Airport trip for May. Fares historically average ฿24,943 return in that month – typically ฿16,595 less than the most expensive month, which is December (based on the last 12 months).
  • If arriving on time is high on your priority list, EVA Air is the strongest pick on this route. 97% of EVA Air flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 90%. When flights on this route do arrive late, the average delay is 1 hour31 minutes, so choosing an airline with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Tokyo Haneda Airport (HND) can be cheaper than flying direct. The cheapest stopover option averages ฿5,027 return on this route – about ฿29,675 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Bangkok Suvarnabhumi Airport.
    - Regency Bangkok Suvarnabhumi Airpor
    - Siam Mandarina Bangkok Suvarnabhumi Airport Hotel (Free Shuttle)
    - Suvarnabhumi Ville Airport Hotel
  • The quickest way to get to London Heathrow (LHR) to catch your flight to Bangkok is to use the dedicated Heathrow Express that runs every 15 minutes from London Paddington Station. The journey will take 15min and the cost of tickets starts at around £5.50.
  • If you have to finish off that last piece of work before your flight don’t worry, London Heathrow has Plaza Premium lounges in Level 4, Terminal 2 Departures where you can pay around £30 to enter and then take advantage of the private work pods and Wi-Fi, allowing you to concentrate on sending out those last few emails.
  • For those who need food upon arrival of your flight from LHR to BKK, head to the third floor of the Main Terminal of Bangkok Suvarnabhumi International Airport, which is open to the public, and where there are several restaurants (China Town) and coffee shops (Café Nero and Bakey Chic) where you can grab a bite to eat while you go to your hotel.
  • Travelling with kids – LHR terminals have dedicated play places for the little ones. In T2 these are located in the main terminal departure lounge not far from Gate 16 while in T4 you can find these near gates 1-6. Terminal 5A, near gate A7 also has a Stay and Play area for kids. If you are travelling from T2 on Thai Airways, this recently refurbished terminal has some outstanding views of the airfield where the kids can enjoy the plane activity.
  • Bangkok Suvarnabhumi International Airport acts as the main hub for Thai Airways and the regional carriers THAI Smile and Bangkok Airways so you will easily be able to change from your international to a regional or domestic flight to visit other parts of the country. The domestic terminal of BKK is in the same building as the international terminal, which makes it even easier to change.

Prefer to fly direct from London Heathrow to Bangkok Suvarnabhumi?

 
Find which airlines fly direct from London Heathrow Airport to Bangkok Suvarnabhumi Airport, which days they fly and book direct flights.

Direct departures

London Heathrow to Bangkok Suvarnabhumi

Monday

EVA Air,Thai Airways

EVA Air,Thai Airways

Tuesday

EVA Air,Thai Airways

EVA Air,Thai Airways

Wednesday

EVA Air,Thai Airways

EVA Air,Thai Airways

Thursday

EVA Air,Thai Airways

EVA Air,Thai Airways

Friday

EVA Air,Thai Airways

EVA Air,Thai Airways

Saturday

EVA Air,Thai Airways

EVA Air,Thai Airways

Sunday

EVA Air,Thai Airways

EVA Air,Thai Airways

See more direct flights

Direct returns

Bangkok Suvarnabhumi to London Heathrow

Monday

EVA Air,Thai Airways

EVA Air,Thai Airways

Tuesday

EVA Air,Thai Airways

EVA Air,Thai Airways

Wednesday

EVA Air,Thai Airways

EVA Air,Thai Airways

Thursday

EVA Air,Thai Airways

EVA Air,Thai Airways

Friday

EVA Air,Thai Airways

EVA Air,Thai Airways

Saturday

EVA Air,Thai Airways

EVA Air,Thai Airways

Sunday

EVA Air,Thai Airways

EVA Air,Thai Airways

See more direct flights

More options for your flight from Heathrow to Suvarnabhumi

Complete your trip to Suvarnabhumi with a hotel stay or car hire