Flights from London (LHR) to Bangkok (BKK)

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Cheapest Flights from London (LHR) to Bangkok (BKK)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Thu, 24 Jul. - Fri, 25 Jul.
LHR
Heathrow
BKK
Suvarnabhumi Intl.
AU$1,901 Return, found 1 day ago
AU$1,901
Return
found 1 day ago
Select Lufthansa flight, departing Thu, 24 Jul. from Heathrow to Suvarnabhumi Intl., returning Fri, 25 Jul., priced at AU$1,901 found 1 day ago
Swiss International Air Lines
Thu, 24 Jul. - Sat, 26 Jul.
LHR
Heathrow
BKK
Suvarnabhumi Intl.
AU$2,275 Return, found 1 day ago
AU$2,275
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Thu, 24 Jul. from Heathrow to Suvarnabhumi Intl., returning Sat, 26 Jul., priced at AU$2,275 found 1 day ago
Air China
Sat, 26 Jul. - Thu, 31 Jul.
LHR
Heathrow
BKK
Suvarnabhumi Intl.
AU$2,375 Return, found 1 day ago
AU$2,375
Return
found 1 day ago
Select Air China flight, departing Sat, 26 Jul. from Heathrow to Suvarnabhumi Intl., returning Thu, 31 Jul., priced at AU$2,375 found 1 day ago
KLM
Thu, 24 Jul. - Sat, 26 Jul.
LHR
Heathrow
BKK
Suvarnabhumi Intl.
AU$2,738 Return, found 1 day ago
AU$2,738
Return
found 1 day ago
Select KLM flight, departing Thu, 24 Jul. from Heathrow to Suvarnabhumi Intl., returning Sat, 26 Jul., priced at AU$2,738 found 1 day ago
EVA Airways
Thu, 24 Jul. - Sat, 26 Jul.
LHR
Heathrow
BKK
Suvarnabhumi Intl.
AU$3,069 Return, found 1 day ago
AU$3,069
Return
found 1 day ago
Select EVA Airways flight, departing Thu, 24 Jul. from Heathrow to Suvarnabhumi Intl., returning Sat, 26 Jul., priced at AU$3,069 found 1 day ago

Best Day to Book Flight from London (LHR) to Bangkok (BKK)

London to Bangkok Flight Information

Find the Cheapest Flights from London (LHR) to Bangkok (BKK)

Work hard, travel harder! Wotif brings you the cheapest London to Bangkok flights, making it possible to have a five star holiday without that five star price tag. Browse and compare our top LHR to BKK routes and airport options. So, go ahead and treat yourself, your sweetheart, or the kids to an unforgettable holiday this year.

London to Bangkok Information

Traveling From
Heathrow
Origin Airport
London
Origin Airport IATA Code
LHR
Traveling To
Suvarnabhumi Intl.
Destination Airport
Bangkok
Destination Airport IATA Code
BKK
Number of Airlines Serving
3
Average Flight Time
23 hours 39 mins
Direct Flight Time
23 hours 30 mins
Flight Price
AU$1,901

Frequently asked questions

How long is the flight from LHR to Bangkok Airport?
Make sure you pack whatever you need to enjoy your time in the air when flying from London Heathrow to BKK. Taking an average of 14 hours and 39 minutes, this long-haul flight is no small jaunt.
What airlines fly direct from London Heathrow to Suvarnabhumi Intl. Airport (BKK)?
Thai Airways International is the only airline with nonstop flights between Heathrow Airport (LHR) and Bangkok Airport, so book in advance. Your precious time away should be chill. Easy. No drama. And it doesn't get any more cruisy than one simple, direct flight.
What are the cheapest days to fly?
Here's an insider tip: Monday is typically the cheapest day to fly! Looking at flight demand on Wotif in 2021, we found that flights departing on a Monday generally had the lowest average price, closely followed by flights on a Saturday. You might want to think twice about flying on a Thursday though; generally, our data showed that it had the highest average ticket price.
What is the best day to buy a plane ticket?
Guess what? It turns out that early in the week is the best time to score the cheapest plane tickets. Looking at flight demand on Wotif in 2021, we found that flights purchased on a Monday had the lowest airfares on average. Booking your plane ticket on the weekend also seems to score pretty good deals. However, airfares purchased on a Friday generally have a higher than average ticket value, so you might want to prepare your budget if you're booking on that day.
What is the cheapest month to fly?
When comparing airfares booked through Wotif in 2021, our data shows February is one of the cheapest months to fly. On the other hand, the month of December can be one of the most expensive times to travel, with the highest average ticket price, so it's best to get in early if December is your preferred travel month.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Wotif up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to Wotif's 2021 flight demand trends, you can bag a bargain with some of the cheapest airfares appearing just 1 week prior to travel.*According to flight demand on Wotif.com from January to December 2021. Savings are subject to change and may vary depending on selections made.
Address:
Bangkok ,
Thailand
IATA code:
BKK
Longitude:
100.752044
Latitude:
13.693062
Time zone:
Asia/Bangkok
Address:
London EN,
United Kingdom
IATA code:
LHR
Longitude:
-0.453566
Latitude:
51.469603
Time zone:
Europe/London

London to Bangkok Flight Deals from AU$1,901

Considering a quick trip to Bangkok, but not sure which is the best route for you? Well, you’re in luck! Wotif has done the hard work, so all you need to do is check out these flights from LHR to BKK. With heaps of cheap fares from London, we guarantee you’ll be arriving to your holiday destination in style without emptying your bank account in the process.

It’s easy to book flights to Bangkok from London  

For a huge choice of flights, simply enter your travel dates and hit search and we’ll hunt out fantastic deals on one-way, return and multi-city airfares to Bangkok from London from 10 different airlines. If you click the ‘direct flights’ box, you see flights that’ll get you to Bangkok in just 23 hour(s) and 30 mins, too.   

Snap up great deals on flights to Bangkok from London 

Choose from 7 flights a day on average, with prices starting at AU$1,901 and rising to AU$3,111 depending on the cabin class, travel dates, and airline carrier. And if you’re up for a last-minute getaway, you can get great deals on flights from London to Bangkok today!  

Find cheap airfares to Bangkok from London 

Here are our insider tips for bagging a flight bargain: 

  • Look for midweek flights and late night, early morning arrival and departure times
  • Check out other airports near London and Bangkok
  • Avoid peak season (prices tend to be lower in July)
  • Be flexible with your travel dates and you can usually get cheaper options  

Reasons to book your flights to Bangkok from London with Wotif

Wotif is a super-easy way to find the best flight for you to Bangkok. Get more bang for your buck on flight and hotel or car rental combos and download the free Wotif app to tap into exclusive deals. Book now with Wotif and have a great flight!

 

Great places to stay after flight from London to Bangkok

Hyatt Regency Bangkok Suvarnabhumi Airport

Hyatt Regency Bangkok Suvarnabhumi Airport

4.5 out of 5
999 Suvarnabhumi Airport Hotel, Moo 1 Nongprue, Bang Phli, Samut Prakan
The price is AU$213 per night from 27 July to 28 July
AU$213
27 July - 28 July
includes taxes & fees
Stay at this 4.5-star luxury hotel in Bang Phli. Enjoy free WiFi, free parking, and a full-service spa. Our guests praise the breakfast and the pool in our reviews. ...
8.4/10 Very Good! (442 reviews)
Convenient hotel during your long transit in BKK
"We can walk about 5-7 minutes from airport to hotel or either take free hotel shuttle from airport to hotel. Foods are delicious. We can enjoy our Thai massage before our flight at midnight. The check-in time is 24hrs. If u check-in at 21:00 , then u can check out same time on the next day. This ..."

Reviewed on 20 Jul. 2025

Hyatt Regency Bangkok Suvarnabhumi Airport
Mandarin Hotel Managed by Centre Point

Mandarin Hotel Managed by Centre Point

4.5 out of 5
662 Rama IV Road, Bangkok, Bangkok
The price is AU$81 per night from 11 Aug to 12 Aug
AU$81
11 Aug - 12 Aug
includes taxes & fees
Stay at this 4.5-star luxury hotel in Bangkok. Enjoy free WiFi, free parking, and a full-service spa. Our guests praise the breakfast and the pool in our reviews. ...
8.8/10 Excellent! (2,054 reviews)
"Property of hotel is nice. Front desk and check in was quick and easy. But the room was very basic and cheap hotel feel. Its fine if you are looking for a budget stay and not looking for the more luxury hotel feel"

Reviewed on 18 Jul. 2025

Mandarin Hotel Managed by Centre Point
Carlton Hotel Bangkok Sukhumvit

Carlton Hotel Bangkok Sukhumvit

5 out of 5
491 Sukhumvit Rd, Khlongtoey Nua, Wattana, Bangkok
The price is AU$219 per night from 27 July to 28 July
AU$219
27 July - 28 July
includes taxes & fees
Stay at this 5-star luxury hotel in Bangkok. Enjoy free WiFi, free parking, and a full-service spa. Our guests praise the pool and the helpful staff in our reviews. ...
9.6/10 Exceptional! (1,343 reviews)
"We have stayed in many hotels and honestly the staff, cleanness and the services here were top notch! Have nothing to say except THANK YOU for making it great stay for us as it was our anniversary and wife bday present. very friendly staff and room was cleaned daily without even us asking for it. ..."

Reviewed on 21 Jul. 2025

Carlton Hotel Bangkok Sukhumvit
See all 6,738 properties in Suvarnabhumi Intl.
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

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^Savings based on all package bookings made with Flight + Hotel on Wotif.com from , as compared to the price of the same components booked separately. Savings will vary based on origin/destination, length of trip, stay dates and selected travel supplier(s). Savings not available on all packages.