LHR - BKK

$380 Find Cheap Flights from London Heathrow Airport to Bangkok - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to Bangkok departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$620
Typical prices: $742-$987
Shenzhen Airlines
Wed 11/18Sat 11/28
LHR - BKK • 1 stop
Cheapest non-stop
$787
Typical prices: $917-$1,060
EVA Air
Wed 9/2Sun 9/13
LHR - BKK • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Thai Airways adds generous baggage with 20 kg checked bags and lenient carry-ons.
At Heathrow, expect long security queues; arrive early, especially with checked bags.
Expert advice
Expert advice
Expert advice
Expert advice
Nonstop flights
You can fly direct with EVA Air and Thai Airways. Average duration is 11h 40m
Direct flights
Direct flights
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Direct flights
Direct flights
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Avoid delays
Most punctual • 96% on-time
Best time • Fewest delays
Insights
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Top layover airports
Cheapest • Avg $528 (round-trip)
Shortest trip • 13h 16m (one-way)
Insights
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Insights
When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 11% compared to booking last minute.
Insights
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Insights
When to travel
Cheapest • 16% price drop
Most popular
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Flight Deals

Cheap Flights from Heathrow to Bangkok (LHR-BKK)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Heathrow to Bangkok that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Heathrow to Bangkok

Wed, Nov 18 - Sat, Nov 28
Shenzhen Airlines Logo
9:10 pm - 4:55 pmLHR  London Heathrow-BKK Bangkok Suvarnabhumi
36h 45m1 stop Shenzhen
Shenzhen Airlines Logo
5:55 pm - 7:10 pmBKK  Bangkok Suvarnabhumi-LHR London Heathrow
32h 15m1 stop Shenzhen
$620Shenzhen Airlines
Tue, Aug 25 - Sun, Sep 27
Air China Logo
10:40 pm - 12:10 amLHR  London Heathrow-BKK Bangkok Suvarnabhumi
19h 30m1 stop Beijing Capital
Air China Logo
1:30 am - 8:25 pmBKK  Bangkok Suvarnabhumi-LHR London Heathrow
24h 55m1 stop Beijing Capital
$621Air China
Thu, Aug 27 - Tue, Sep 8
Air China Logo
10:40 pm - 1:35 pmLHR  London Heathrow-BKK Bangkok Suvarnabhumi
32h 55m1 stop Beijing Capital
Air China Logo
1:30 am - 5:40 pmBKK  Bangkok Suvarnabhumi-LHR London Heathrow
22h 10m1 stop Beijing Capital
$622Air China
Wed, Nov 18 - Sat, Nov 28
Shenzhen Airlines Logo
9:10 pm - 11:10 amLHR  London Heathrow-BKK Bangkok Suvarnabhumi
31h 00m1 stop Shenzhen
Shenzhen Airlines Logo
5:55 pm - 7:10 pmBKK  Bangkok Suvarnabhumi-LHR London Heathrow
32h 15m1 stop Shenzhen
$622Shenzhen Airlines
Wed, Nov 4 - Mon, Nov 16
China Eastern Logo
9:00 pm - 10:25 pmLHR  London Heathrow-BKK Bangkok Suvarnabhumi
18h 25m1 stop Shanghai Pu Dong
China Eastern Logo
5:05 am - 5:30 pmBKK  Bangkok Suvarnabhumi-LHR London Heathrow
19h 25m1 stop Shanghai Pu Dong
$625China Eastern
Thu, Nov 5 - Mon, Nov 23
China Eastern Logo
9:00 pm - 10:25 pmLHR  London Heathrow-BKK Bangkok Suvarnabhumi
18h 25m1 stop Shanghai Pu Dong
China Eastern Logo
7:05 pm - 5:30 pmBKK  Bangkok Suvarnabhumi-LHR London Heathrow
29h 25m1 stop Shanghai Pu Dong
$625China Eastern
Thu, Aug 27 - Wed, Sep 9
China Southern Logo
10:10 pm - 12:50 pmLHR  London Heathrow-BKK Bangkok Suvarnabhumi
32h 40m1 stop Guangzhou Baiyun
China Southern Logo
6:05 pm - 7:20 pmBKK  Bangkok Suvarnabhumi-LHR London Heathrow
31h 15m1 stop Guangzhou Baiyun
$628China Southern
Tue, Aug 25 - Mon, Sep 7
China Southern Logo
10:10 pm - 10:00 pmLHR  London Heathrow-BKK Bangkok Suvarnabhumi
17h 50m1 stop Guangzhou Baiyun
China Southern Logo
8:20 am - 7:20 pmBKK  Bangkok Suvarnabhumi-LHR London Heathrow
17h 00m1 stop Guangzhou Baiyun
$629China Southern
Mon, Sep 7 - Thu, Sep 10
Hainan Airlines Logo
10:00 pm - 10:00 amLHR  London Heathrow-BKK Bangkok Suvarnabhumi
30h 00m2 stops Changsha Huanghua Intl Haikou Meilan Intl
Hainan Airlines Logo
11:05 am - 7:30 pmBKK  Bangkok Suvarnabhumi-LHR London Heathrow
38h 25m2 stops Haikou Meilan Intl Changsha Huanghua Intl
$632Hainan Airlines
Fri, Sep 25 - Fri, Oct 9
XiamenAir Logo
12:35 pm - 11:15 amLHR  London Heathrow-BKK Bangkok Suvarnabhumi
16h 40m1 stop Xiamen Gaoqi Intl
XiamenAir Logo
1:50 am - 6:35 amBKK  Bangkok Suvarnabhumi-LHR London Heathrow
34h 45m1 stop Xiamen Gaoqi Intl
$635XiamenAir
Booking Insights

KAYAK's insights & trends for Heathrow to Bangkok flights

Get data-powered insights and trends into flights from Heathrow to Bangkok to help you find the cheapest flights, the best time to fly and much more.

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

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport departing in August.

Flight prices are below average for this route right now.

Flights to Bangkok Suvarnabhumi Airport from London Heathrow Airport usually cost between $912 and $1,262 in August.
The lowest price found in the past 5 days was $621 on Air China (Aug 25-Sep 27).

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

The average price of all round-trip flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from London Heathrow Airport to Bangkok, look for departures on Tuesdays and avoid leaving on a Friday, as it's usually the priciest day. When flying back from Bangkok, Wednesday is the cheapest day to fly and Friday is the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport is May, where tickets cost $790 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is $1,221 and $1,161 respectively.

How far in advance should I book a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London Heathrow Airport to Bangkok Suvarnabhumi Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport, you should book around 4 weeks before departure, which saves you about 11% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

Expert advice

Expert advice for your flight from Heathrow to Bangkok

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Robert Schrader

Robert Schrader

Expert on EVA Air and Thai Airways

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

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.

Good to know

Low season

June

Cheapest flight

$380
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 30% increase in price.
Flight from London Heathrow Airport to Bangkok

When to book flights from Heathrow to Bangkok

Are your dates flexible? Find out the best times to travel from Heathrow to Bangkok based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking London Heathrow Airport to Bangkok flights

  • 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).

  • What is the cheapest flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport?

    In the last 5 days, the lowest price for a flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport was $380 for a one-way ticket and $620 for a round-trip.

  • Do I need a passport to fly between London Heathrow Airport and Bangkok?

    Yes, you’ll need a passport to travel to Bangkok from London Heathrow Airport.

  • Which airlines offer Wi-Fi service onboard planes from London Heathrow Airport to Bangkok?

    Only Asiana Airlines offers inflight Wi-Fi service on the London Heathrow Airport to Bangkok flight route.

  • Which aircraft models fly most regularly from London Heathrow Airport to Bangkok?

    The Boeing 777-300ER is the aircraft model that flies most regularly on the London Heathrow Airport to Bangkok flight route.

  • Which airline alliances offer flights from London Heathrow Airport to Bangkok?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between London Heathrow Airport and Bangkok, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from London Heathrow Airport to Bangkok?

    There are nonstop flights from London Heathrow Airport to Bangkok on a daily basis.

  • Which is the best airline for flights from London to Bangkok, EVA Air or Emirates?

    The two airlines most popular with KAYAK users for flights from London to Bangkok are EVA Air and Emirates. With an average price for the route of $1,082 and an overall rating of 8.5, EVA Air is the most popular choice. Emirates is also a great choice for the route, with an average price of $1,099 and an overall rating of 8.1.

  • How does KAYAK find such low prices on flights from London Heathrow Airport to Bangkok?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Bangkok.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Bangkok?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Bangkok from London Heathrow Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Heathrow Airport to Bangkok?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Bangkok with an airline and back to London Heathrow Airport with another airline. Booking your flights between London Heathrow Airport and BKK can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Bangkok?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Bangkok from London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from London Heathrow Airport to Bangkok Suvarnabhumi Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $695 or less one-way and $1,073 or less round-trip.
  • 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 Airport to Bangkok?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying 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

Everything you need to know for your flight from Heathrow to Bangkok

Information on your arrival and departure airports