Cheap flights from Bangkok to London Heathrow

from as little as £566

21 nights in London, departing Bangkok on 22 / Oct / 2025 with Kuwait Airways (price found 24 hours ago)

Subject to availability, prices correct of the last 24 hours
London Heathrow

Cheap return flights from Bangkok to London Heathrow

Find the best deals

The Bangkok / London Heathrow route

All 9586 km of it

Cheap flight deals for this route

See what's hot at the moment

London Heathrow flight facts

What you need to know

Alternative flights from the UK to London Heathrow

Check out prices for other routes
search for price
Find flights
from £503 pp
Find flights
from £712 pp
Find flights

Alternative flights from Bangkok to London Heathrow

You might find cheaper flights nearby
from £695 pp
Find flights
search for price
Find flights
from £486 pp
Find flights
London Heathrow
Find cheap one-way and return flights from Bangkok to London Heathrow


Right now the cheapest return flight from Bangkok to London Heathrow costs £566 and leaves on 22 / Oct / 2025
Min / Max Temperature (°C)
LOWEST

2 °C

AVG

11 °C

HIGHEST

24 °C

Rainfall (mm)
LOWEST

38.1 mm

AVG

52.5 mm

HIGHEST

66 mm

Key facts about London Heathrow

How to get cheap flights from Bangkok to London Heathrow

Tips and advice from our flight experts

If you want a cheap flight from Bangkok to London, you've got 21 airlines to choose from. You can use the search box to filter your preferences, but we've found that the cheapest day to fly is 22 / Oct / 2025.

Make sure you use the search options above to search for flights to other airports in London, not just London Heathrow. The more options you look at, the better your chance of finding a cheap deal. Just so you know, the flight typically takes 16 hrs 40 mins.

638 flights go to or via London every week. Cheap flights Currently, the cheapest price available is £566. The most popular airline is Emirates but do spend some time checking all your options – they aren’t necessarily the cheapest airline to book with.

You can expect accommodation prices to be higher at this time of year too. Last-minute deals do crop up, but it's best to book everything in advance to avoid disappointment.

Other popular destinations near London Heathrow

Where other people are flying to

Context Id: fe6cbe34-ff22-4486-837f-326df815bf1d