C$882 Cheap Flights from Bangkok to London Heathrow

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Flight deals from Bangkok to London Heathrow

Looking for a cheap last-minute deal or the best round-trip flight from Bangkok to London Heathrow? Find the lowest prices on one-way and round-trip tickets right here.

London.C$882 per passenger.Departing Mon, Sep 15, returning Sat, Sep 20.Round-trip flight with Thai LionAir and Shenzhen Airlines.Outbound indirect flight with Thai LionAir, departing from Don Mueang on Mon, Sep 15, arriving in London Heathrow.Inbound indirect flight with Shenzhen Airlines, departing from London Heathrow on Sat, Sep 20, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From C$882, select.

London.C$889 per passenger.Departing Sun, Aug 24, returning Wed, Aug 27.Round-trip flight with China Southern and Shenzhen Airlines.Outbound indirect flight with China Southern, departing from Bangkok Suvarnabhumi on Sun, Aug 24, arriving in London Heathrow.Inbound indirect flight with Shenzhen Airlines, departing from London Heathrow on Wed, Aug 27, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From C$889, select.

London.C$901 per passenger.Departing Fri, Aug 29, returning Fri, Sep 12.Round-trip flight with China Southern and Shenzhen Airlines.Outbound indirect flight with China Southern, departing from Bangkok Suvarnabhumi on Fri, Aug 29, arriving in London Heathrow.Inbound indirect flight with Shenzhen Airlines, departing from London Heathrow on Fri, Sep 12, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From C$901, select.

London.C$908 per passenger.Departing Tue, Sep 30, returning Thu, Oct 2.Round-trip flight with Saudia.Outbound indirect flight with Saudia, departing from Bangkok Suvarnabhumi on Tue, Sep 30, arriving in London Heathrow.Inbound indirect flight with Saudia, departing from London Heathrow on Thu, Oct 2, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From C$908, select.

London.C$910 per passenger.Departing Sun, Nov 23, returning Tue, Nov 25.Round-trip flight with Saudia.Outbound indirect flight with Saudia, departing from Bangkok Suvarnabhumi on Sun, Nov 23, arriving in London Heathrow.Inbound indirect flight with Saudia, departing from London Heathrow on Tue, Nov 25, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From C$910, select.

London.C$911 per passenger.Departing Tue, Dec 9, returning Thu, Dec 11.Round-trip flight with Saudia.Outbound indirect flight with Saudia, departing from Bangkok Suvarnabhumi on Tue, Dec 9, arriving in London Heathrow.Inbound indirect flight with Saudia, departing from London Heathrow on Thu, Dec 11, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From C$911, select.

London.C$912 per passenger.Departing Thu, Oct 2, returning Sun, Oct 5.Round-trip flight with Saudia.Outbound indirect flight with Saudia, departing from Bangkok Suvarnabhumi on Thu, Oct 2, arriving in London Heathrow.Inbound indirect flight with Saudia, departing from London Heathrow on Sun, Oct 5, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From C$912, select.

London.C$942 per passenger.Departing Sun, Nov 30, returning Sun, Jan 11.Round-trip flight with Saudia.Outbound indirect flight with Saudia, departing from Bangkok Suvarnabhumi on Sun, Nov 30, arriving in London Heathrow.Inbound indirect flight with Saudia, departing from London Heathrow on Sun, Jan 11, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From C$942, select.

Find the cheapest month to fly from Bangkok to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bangkok to London Heathrow flights are currently cheapest in September.

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Direct flights from Bangkok to London Heathrow

Bangkok to London Heathrow: Alternative routes

Compare routes from Bangkok to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Bangkok to London: Flight information

The things to know before you go.

Cheapest flight found	C$882
Cheapest month to fly	September
Average flight time	12 hrs, 56 mins
Most popular airline	Thai Airways
Average flights per week	42

Finding cheap flights from Bangkok to London Heathrow: Frequently asked questions

How much are round-trip flights from Bangkok to London Heathrow?

The best price we found for a round-trip flight from Bangkok to London Heathrow is C$882. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Bangkok to London Heathrow?

12 hours and 56 minutes is the average flight time from Bangkok to London Heathrow.

Which airlines fly direct from Bangkok to London Heathrow?

Thai Airways, EVA Air and Air Canada fly direct from Bangkok to London Heathrow.

How many flights are there a week from Bangkok to London Heathrow?

There are 84 flights per week flying from Bangkok to London Heathrow, as of July 2025.

When is the cheapest time to fly from Bangkok to London Heathrow?

The cheapest month to fly from Bangkok to London Heathrow is usually September.

Which upcoming date is cheapest to fly from Bangkok to London Heathrow Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Bangkok to London Heathrow Airport on Monday, September 15, 2025.

Can I get a direct flight from Bangkok to London Heathrow Airport?

Yes – the average flight time is 12 hours and 56 minutes.

How can I find the best flight deal to London Heathrow?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Travelling from Bangkok to London Heathrow Airport (LHR): What you need to know

Start your travel planning by considering where you'll take off for your flight from Bangkok to London Heathrow Airport (LHR). Suvarnabhumi Airport (BKK) and Don Mueang International Airport (DMK) are Bangkok's main airports.
Expect to be in the air for 12 hours 55 minutes. That's the average time for a direct Bangkok to London Heathrow Airport flight.
London is seven hours behind Bangkok. London Heathrow Airport is located in London, which is in the UTC+0 timezone.
The most popular route is from Suvarnabhumi Airport (BKK) to London Heathrow Airport (LHR), with 21 direct services every week. If you want to be on your way right away, the earliest flight from BKK to LHR is the 12:05am Thai Airways International service. If you're looking to take off later, the final departure is at 1:20pm with Thai Airways International.
To ensure you get on your flight from Bangkok to LHR, leave plenty of time to check in and find your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the general travel rule.
If you're heading away during a major holiday or other peak period, give yourself more time. Get there two hours before domestic flights and up to four hours before international departures. Security and check-in lines will be longer.

Airports in Bangkok

Suvarnabhumi Airport (BKK)

Suvarnabhumi Airport (BKK) is a convenient option for travelling directly to your destination. Nonstop flights from Bangkok to London Heathrow Airport (LHR) can be booked from this terminal.
You can get away on a direct flight from Bangkok to London Heathrow Airport with Thai Airways International. This well-known airline operates departures from BKK.
Most travellers choose to book seats with Thai Airways International from BKK to LHR.
The carrier with the best on-time performance on this route is EVA Air. Its services arrive as scheduled 75.73% of the time.
A stopover is the perfect opportunity to break up your journey and maybe even visit a new city. When searching for cheap flights from Bangkok to LHR leaving from Suvarnabhumi Airport (BKK), deselect the 'Direct flights only' box to find out where you can visit along the way. Your journey might pause in:
- Frankfurt Airport (FRA)
- Charles de Gaulle Airport (CDG)
- Zurich Airport (ZRH)
Located around 32 kilometres from the centre of Bangkok, BKK can be reached in about 35 minutes by car, depending on traffic. The journey by public transport is roughly 1 hour 5 minutes.
Catching an early flight from Bangkok to London Heathrow Airport? Avoid the mad dash to the terminal (and sneak in some extra precious sleep) by picking one of these stays near Suvarnabhumi Airport:
Of the flights that depart from Suvarnabhumi Airport, 67.87% land on schedule at their destination.

Don Mueang International Airport (DMK)

Split up your flight from Bangkok to London Heathrow Airport with a stop so you can recharge or perhaps go somewhere you've never been before. Top stopovers between Don Mueang International Airport and LHR include:
- Kuala Lumpur International Airport (KUL)
- Changi International Airport (SIN)
- Chhatrapati Shivaji International Airport (BOM)
You can reach DMK from the centre of Bangkok in approximately 30 minutes by car (depending on traffic). The journey by public transport takes roughly 1 hour 5 minutes to travel the 27 kilometres or so.
Flying off with the first light? You might like to check in to one of these accommodation options near Don Mueang International Airport the day before your Bangkok to LHR flight:
Don Mueang International Airport has an on-time performance rate of 66.48%. This figure highlights how often flights that leave from this airport make it to their destination on schedule.

About London Heathrow Airport (LHR)

Consider staying in a hotel close to LHR if you're catching a late flight from Bangkok to London Heathrow Airport. Pick one of these options and call it a night faster:
Travel at your own speed with a London Heathrow Airport rental car. Book your wheels from Surprice, U-Save or Green Motion and venture far and wide through London and beyond.
To get the lowest price, book your vehicle around one week in advance of your Bangkok to London Heathrow Airport flight.

Getting from London Heathrow Airport (LHR) to central London

London Heathrow Airport is roughly 26 kilometres from central London. The time it takes to get there in a car rental or cab depends on the time of day. Do a little research beforehand.
When travelling by public transport, expect a journey of roughly 1 hour.

How to find the cheapest flights from Bangkok to London Heathrow Airport (LHR)

C$281 is currently the best price for a one-way ticket from Bangkok to London Heathrow Airport. A return flight starts at C$882. These prices can change based on availability and demand.
Don't leave things to the last minute. You're more likely to walk away with cheap flights from Bangkok to LHR if you book early. Airlines often offer some fantastic early bird deals.
If you can be flexible with your travel plans, use the 'Whole month' search tool. It'll give you the cheapest price across each month when searching for your Bangkok to London Heathrow Airport ticket.
Locking in a cheap flight ticket from Bangkok to LHR couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as there's a price drop.
Tailor your travel plans using filters. Choose your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Bangkok to London Heathrow Airport.

The best time to fly from Bangkok to London Heathrow Airport (LHR)

February is the quietest month for flights from Bangkok to London Heathrow Airport (LHR), while July is the most popular. Work out the ideal time to visit London based on whether you prefer a laid-back vibe or a lively atmosphere.
When booking your Bangkok to LHR flight ticket, consider what kind of weather you prefer. July is the warmest month in London, with temperatures ranging from 11ºC (52ºF) to 26ºC (79ºF).
January has temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Search for cheap tickets from Bangkok to London Heathrow Airport around that time if you want to travel in cooler conditions.

More about London

When it comes to looking for somewhere to rest your head, you'll find the best stays in London right here. Explore these hotels as soon as you've locked in your flight from Bangkok to London Heathrow Airport:
Your visit to London should come with a side of sightseeing. Top attractions that belong on your itinerary include The British Museum, Westminster Abbey and Big Ben.

Explore more of the United Kingdom

London has plenty going for it, but there are so many other corners of the United Kingdom waiting to be discovered. About 153 kilometres north-west of London, a visit to Birmingham will keep you on the move. Start with leading sights like The Windsor Castle, Birmingham Museum & Art Gallery and Birmingham Hippodrome Theatre.
Around 145 kilometres west of London, Bristol is another essential stop in the United Kingdom. Experience this destination's highlights firsthand at Banksey, Banksy's You Don't Need Planning Permission to Build Castles in the Sky and Clifton Suspension Bridge.