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Cheap Flights from Bangkok to Harmondsworth

Compare Bangkok to Harmondsworth flight deals

Find the cheapest month or even day of the year to fly to Harmondsworth

Book the best Harmondsworth fare with no extra fees

Flight deals from Bangkok to Harmondsworth

Looking for a cheap last-minute deal or the best return flight from Bangkok to Harmondsworth? Find the lowest prices on one-way and return tickets right here.
London.Rs68,272 per passenger.Departing Thu, 21 May.One-way flight with Hainan Airlines.Outbound indirect flight with Hainan Airlines, departs from Bangkok Suvarnabhumi on Thu, 21 May, arriving in London Heathrow.Price includes taxes and charges.From Rs68,272, select.
London.Rs70,037 per passenger.Departing Tue, 27 Oct.One-way flight with Norse Atlantic Airways.Outbound indirect flight with Norse Atlantic Airways, departs from Bangkok Suvarnabhumi on Tue, 27 Oct, arriving in London Heathrow.Price includes taxes and charges.From Rs70,037, select.
London.Rs70,607 per passenger.Departing Wed, 10 Jun.One-way flight with Thai LionAir.Outbound indirect flight with Thai LionAir, departs from Don Mueang on Wed, 10 Jun, arriving in London Heathrow.Price includes taxes and charges.From Rs70,607, select.
London.Rs74,681 per passenger.Departing Tue, 10 Nov.One-way flight with Norse Atlantic Airways.Outbound indirect flight with Norse Atlantic Airways, departs from Bangkok Suvarnabhumi on Tue, 10 Nov, arriving in London Heathrow.Price includes taxes and charges.From Rs74,681, select.
London.Rs76,222 per passenger.Departing Tue, 22 Dec.One-way flight with Hainan Airlines.Outbound indirect flight with Hainan Airlines, departs from Bangkok Suvarnabhumi on Tue, 22 Dec, arriving in London Heathrow.Price includes taxes and charges.From Rs76,222, select.
London.Rs78,502 per passenger.Departing Wed, 29 Apr.One-way flight with IndiGo.Outbound indirect flight with IndiGo, departs from Bangkok Suvarnabhumi on Wed, 29 Apr, arriving in London Heathrow.Price includes taxes and charges.From Rs78,502, select.
London.Rs81,774 per passenger.Departing Thu, 16 Jul.One-way flight with IndiGo.Outbound indirect flight with IndiGo, departs from Bangkok Suvarnabhumi on Thu, 16 Jul, arriving in London Heathrow.Price includes taxes and charges.From Rs81,774, select.
London.Rs92,387 per passenger.Departing Wed, 23 Sep.One-way flight with Thai VietJet Air.Outbound indirect flight with Thai VietJet Air, departs from Bangkok Suvarnabhumi on Wed, 23 Sep, arriving in London Heathrow.Price includes taxes and charges.From Rs92,387, select.
London.Rs99,919 per passenger.Departing Sat, 1 Aug.One-way flight with Thai LionAir.Outbound indirect flight with Thai LionAir, departs from Don Mueang on Sat, 1 Aug, arriving in London Heathrow.Price includes taxes and charges.From Rs99,919, select.
London.Rs100,843 per passenger.Departing Wed, 27 Jan.One-way flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Wed, 27 Jan, arriving in London Heathrow.Price includes taxes and charges.From Rs100,843, select.
London.Rs102,355 per passenger.Departing Wed, 25 Mar.One-way flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from Bangkok Suvarnabhumi on Wed, 25 Mar, arriving in London Heathrow.Price includes taxes and charges.From Rs102,355, select.
London.Rs102,864 per passenger.Departing Sat, 6 Feb.One-way flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Sat, 6 Feb, arriving in London Heathrow.Price includes taxes and charges.From Rs102,864, select.
London.Rs111,834 per passenger.Departing Mon, 1 Mar.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Don Mueang on Mon, 1 Mar, arriving in London Heathrow.Price includes taxes and charges.From Rs111,834, select.
London.Rs142,214 per passenger.Departing Tue, 16 Jun.One-way flight with EVA Air.Outbound direct flight with EVA Air departs from Bangkok Suvarnabhumi on Tue, 16 Jun, arriving in London Heathrow.Price includes taxes and charges.From Rs142,214, select.
London.Rs142,323 per passenger.Departing Fri, 22 May.One-way flight with EVA Air.Outbound direct flight with EVA Air departs from Bangkok Suvarnabhumi on Fri, 22 May, arriving in London Heathrow.Price includes taxes and charges.From Rs142,323, select.
London.Rs143,234 per passenger.Departing Mon, 19 Oct.One-way flight with EVA Air.Outbound direct flight with EVA Air departs from Bangkok Suvarnabhumi on Mon, 19 Oct, arriving in London Heathrow.Price includes taxes and charges.From Rs143,234, select.

Bangkok to Harmondsworth: Flight information

The things to know before you go.
Fly intoLondon Heathrow Airport
Distance to Harmondsworth2.5 km
Cheapest flightRs68,272
Cheapest month to flyMay
Most popular airlineThai Airways
Average flight time12 hrs, 57 mins

Find the cheapest month to fly from Bangkok to Harmondsworth

We’re always keeping an eye on fares, so you can find the best flight deal in seconds. It looks like Bangkok to Harmondsworth flights are currently cheapest in May. We’ve based this on flights into London Heathrow Airport.
Mar
from Rs102,355
Apr
from Rs78,502
May
from Rs68,272
Jun
from Rs70,607
Jul
from Rs81,774
Aug
from Rs99,919
Sep
from Rs92,387
Oct
from Rs70,037
Nov
from Rs74,681
Dec
from Rs76,222
Jan
from Rs100,843
Feb
from Rs102,864

Finding cheap flights from Bangkok to Harmondsworth: Frequently asked questions

There are 3 airports near Harmondsworth: London Heathrow Airport, London City Airport and London Gatwick Airport.
The best price we found for a return flight from Bangkok to Harmondsworth is Rs174,142. 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.
Thai Airways, EVA Air, Air Canada all offer direct flights to London Heathrow Airport.
We've checked every Bangkok to Harmondsworth fare we could find, and the cheapest upcoming date to fly seems to be on Thursday, 21 May 2026. Overall, the cheapest month to fly from Bangkok to Harmondsworth is usually May.
If you're flying from Bangkok, the cheapest airport near Harmondsworth is London Heathrow – which is 2.5 km away from the centre of Harmondsworth. We've found flights into this airport from Rs174,142.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Bangkok to Harmondsworth on Thursday, 21 May 2026.
No airlines currently offer direct flights between Bangkok and Harmondsworth. Most routes have one or more stops.
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 Harmondsworth 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.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Harmondsworth is around 40 days in advance, so don’t leave your flight to the last minute.
London Heathrow Airport is 2.5km from Harmondsworth, London City Airport is 36.3km from Harmondsworth, and London Gatwick Airport is 42.6km from Harmondsworth.
London Heathrow Airport is closest to Harmondsworth, at around 2.5 km away.
The cheapest airline that flies to Harmondsworth is Hainan Airlines. And the cheapest airline that flies to London City Airport is EVA Air.