Cheap Flights from London Heathrow Airport to Bangkok from 447 € Return

Flight deals from London Heathrow Airport to Bangkok

Looking for cheap tickets from London Heathrow Airport to Bangkok, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Bangkok.447 € per passenger.Departing Thu, 29 May, returning Mon, 9 Jun.Return flight with China Eastern.Outbound indirect flight with China Eastern, departs from London Heathrow on Thu, 29 May, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with China Eastern, departs from Bangkok Suvarnabhumi on Mon, 9 Jun, arriving in London Heathrow.Price includes taxes and charges.From 447 €, select.

Flying from London Heathrow Airport to Bangkok

Arm yourself with these facts on the fly.

Cheapest flight found	447 €, Bangkok
Cheapest month to fly	May
Average flight time	11 hrs, 33 mins
Average flights per week	51
Most popular airline	Thai Airways

How to find cheap flights from London Heathrow Airport to Bangkok

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from London Heathrow Airport to Bangkok. Other savvy travellers recently found return flights from 447 € and one-way tickets from 277 €. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in June

The cheapest time to fly from London Heathrow Airport to Bangkok is currently June.

Fly on a Tuesday

From our data, we can see that Tuesday seems to be the cheapest time to fly from London Heathrow Airport to Bangkok.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from London Heathrow Airport to anywhere you choose in Bangkok.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from London Heathrow Airport to your chosen airport in Bangkok go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the London Heathrow Airport to Bangkok flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from London Heathrow Airport to Bangkok?

Yes - direct flights currently operate from London Heathrow Airport to Bangkok Suvarnabhumi Airport in Bangkok.

Which other London airports offer direct flights to Bangkok?

London Gatwick Airport offers direct flights to Bangkok.

What is the average price of a flight from London Heathrow Airport to Bangkok?

We looked at all of the upcoming return flights from London Heathrow Airport to Bangkok we could find over the next 12 months. It looks like 447 € is the best price. This is good, compared to the average Bangkok ticket price of 812 €.

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

The cheapest month to fly from London Heathrow Airport to Bangkok is currently May.

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London Heathrow Airport to Bangkok on Thursday, 29 May 2025.

If I'm flying from London Heathrow Airport, where in Bangkok is cheapest to fly into?

If you're flying from London Heathrow, the cheapest city in Bangkok to fly into is Bangkok. The cheapest airport serving Bangkok at the moment is Bangkok Suvarnabhumi.

How long is the flight from London Heathrow Airport to Bangkok?

The average flight time between London Heathrow Airport and Bangkok is 11 hours and 33 minutes.

Flights from London Heathrow Airport to Bangkok