LHR - BKK

C$ 522 Find Cheap Flights from London to Bangkok – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 770
Typical prices: C$ 1,073-C$ 1,609
Air China
Tue 20/11Thu 6/12
LHR - BKK • 1 stop
Cheapest direct flights
C$ 1,207
Typical prices: C$ 1,388-C$ 1,813
EVA Air
Tue 20/2Wed 7/3
LHR - BKK • Direct
Direct flights
You can fly direct with Thai Airways and EVA Air. Average duration is 11h 31m
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 13 weeks in advance save around 6% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 21% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 820 (round-trip)
Shortest trip • 14h 30m (one-way)
Insights
Insights
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We hope you enjoy your trip to Bangkok Suvarnabhumi Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from London to Bangkok (LHR-BKK)

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

Recent round-trip flight deals from London to Bangkok

Fri, 20 Nov - Sun, 6 Dec
Air China Logo
5:45 p.m. - 6:05 p.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
17h 20m1 stop Beijing Capital
Air China Logo
7:30 p.m. - 3:55 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
27h 25m1 stop Beijing Capital
C$ 770Air China
Wed, 2 Dec - Mon, 1 Mar
China Southern Logo
10:00 p.m. - 12:55 p.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
31h 55m1 stop Guangzhou Baiyun
China Southern Logo
6:05 p.m. - 6:35 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
31h 30m1 stop Guangzhou Baiyun
C$ 773China Southern
Tue, 3 Nov - Tue, 10 Nov
Air China Logo
9:50 p.m. - 4:40 p.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
35h 50m1 stop Chengdu Tianfu Intl
Air China Logo
7:30 p.m. - 5:50 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
29h 20m1 stop Beijing Capital
C$ 781Air China
Sun, 1 Nov - Sat, 14 Nov
Air China Logo
8:25 p.m. - 12:10 a.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
20h 45m1 stop Beijing Capital
Air China Logo
3:15 p.m. - 3:55 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
31h 40m1 stop Beijing Capital
C$ 783Air China
Sun, 1 Nov - Sat, 14 Nov
Air China Logo
8:25 p.m. - 12:10 a.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
20h 45m1 stop Beijing Capital
Air China Logo
3:15 p.m. - 3:55 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
31h 40m1 stop Beijing Capital
C$ 786Air China
Mon, 23 Nov - Wed, 2 Dec
Air China Logo
8:25 p.m. - 12:10 a.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
20h 45m1 stop Beijing Capital
Air China Logo
1:30 a.m. - 3:55 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
21h 25m1 stop Beijing Capital
C$ 787Air China
Sun, 22 Nov - Sat, 5 Dec
XiamenAir Logo
12:30 p.m. - 4:35 p.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
21h 05m1 stop Xiamen Gaoqi Intl
XiamenAir Logo
5:35 p.m. - 2:10 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
27h 35m1 stop Xiamen Gaoqi Intl
C$ 818XiamenAir
Sat, 21 Nov - Sat, 5 Dec
Air China Logo
5:45 p.m. - 6:05 p.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
17h 20m1 stop Beijing Capital
Air China Logo
7:30 p.m. - 3:55 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
27h 25m1 stop Beijing Capital
C$ 826Air China
Fri, 20 Nov - Sat, 5 Dec
Air China Logo
5:45 p.m. - 6:05 p.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
17h 20m1 stop Beijing Capital
Air China Logo
7:30 p.m. - 3:55 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
27h 25m1 stop Beijing Capital
C$ 829Air China
Sun, 1 Nov - Sat, 14 Nov
Air China Logo
8:25 p.m. - 12:10 a.m.LHR  London Heathrow-BKK Bangkok Suvarnabhumi
20h 45m1 stop Beijing Capital
Air China Logo
3:15 p.m. - 3:55 p.m.BKK  Bangkok Suvarnabhumi-LHR London Heathrow
31h 40m1 stop Beijing Capital
C$ 842Air China
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 with more confidence.

How much is a round-trip flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

Round-trip flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport typically range from C$ 1,073 to C$ 1,609. The lowest price found in the past 5 days was C$ 770, on Air China.

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

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from London Heathrow Airport to Bangkok Suvarnabhumi Airport. It’s 3% cheaper than the average day, while Friday is the most expensive, with prices 2% higher.

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 C$ 1,061 round-trip.
•December (C$ 1,805) and July (C$ 1,653) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 70% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport are cheapest 13 weeks before departure. Booking in this window typically costs about 6% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from London to Bangkok

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Duncan Madden

Duncan Madden

Expert on BKK and LHR

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Key details for London Heathrow Airport to Bangkok Suvarnabhumi Airport flights

Low season

September

Cheapest flight

C$ 522
Beat the crowds with an average 32% drop in traveller numbers.
The most popular month to fly with an average 35% increase in traveller numbers.
One-way flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport

When to book flights from London to Bangkok

Are your dates flexible? Find out the best times to travel from London to Bangkok based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

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

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • 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 am and lands at 11:21 pm
    • Latest: departs at 9:35 pm and lands at 9:06 am.

    The flight takes about 11h 31m.

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

    Only Economy Class is available on flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport.

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

    A direct flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport takes 11h 31m, 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 much should I expect to pay for a London Heathrow Airport to Bangkok Suvarnabhumi Airport flight?

    Round-trip flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport range from C$ 1,073 to C$ 1,609, with an average of C$ 1,335 over the past 12 months. Anything below C$ 1,073 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) are 0% below the route average of C$ 1,335. Booking late can sometimes save you money, but availability is limited.

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

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 820 round-trip via Haikou Meilan Intl (HAK), compared to C$ 1,539 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 C$ 31–C$ 141 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 and Lufthansa. Other aircraft seen on the route include Boeing 777 variants.

  • 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. Morning departures account for 34%, Afternoon flights for 0%, and Evening flights for 0%.

  • 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.

  • 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 C$ 535, which is 36% below the typical average for this route.

  • What car rental options are available at Bangkok Suvarnabhumi Airport (BKK)?

    Bangkok Suvarnabhumi Airport (BKK) hosts 5 major car rental companies, with daily rates starting from around C$ 18 for economy cars. Top options include:

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

  • 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).

  • What time of day has the fewest delays on flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

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

  • 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 three months, with delays averaging 1h 32m.

  • 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) – 19% of one-stop connections
    • Muscat Seeb (MCT) – 10% of one-stop connections
    • Beijing Capital (PEK) – 6% of one-stop connections

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

    Yes. Flexible dates can save you up to 5% on flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport. Monday is the cheapest departure day at C$ 1,303 round-trip on average, while Friday is the most expensive at C$ 1,364, a difference of C$ 61.

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

  • Which airlines fly 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

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

    Flying via Vienna Intl (VIE) gives the shortest average 1-stop total travel time at 14h 30m, compared with 15h 08m via Munich Franz Josef Strauss (MUC) and 15h 12m 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 popular places can I visit in Bangkok Suvarnabhumi Airport?

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

  • 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 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 carry-on bag and a checked bag in Economy Class
    • Thai Airways: a carry-on bag and a checked bag in Economy Class
    • Lufthansa: a carry-on 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.

  • 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).

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 Monday departure and avoid flying on Friday. On this route, Monday flights average C$ 1,303, about C$ 61 less than Friday fares (4% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 13 weeks before you fly. On this route, that window historically saves about 6% 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 C$ 1,061 round-trip in that month – typically C$ 745 less than the most expensive month, which is December (based on the last 12 months).
  • For the best chance of arriving on time, fly with EVA Air. Over the past three months, 97% of EVA Air flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport arrived on time, slightly above the route average of 90%. When flights on this route arrive late, they're delayed by an average of 1h 32m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Haikou Meilan Intl Airport (HAK) can be cheaper than flying direct. The cheapest layover option averages C$ 820 round-trip on this route – about C$ 719 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
    • Suvarnabhumi Ville Airport Hotel
    • Siam Mandarina Bangkok Suvarnabhumi Airport Hotel (Free Shuttle)
  • 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 to Bangkok?

 
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 nonstop 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 nonstop flights

More options for your flight from London to Bangkok

Complete your trip to Bangkok with a hotel stay or car rental