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644 € Cheap Flights from London Heathrow to Khon Kaen

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Flight deals from London Heathrow to Khon Kaen

Looking for a cheap last-minute deal or the best return flight from London Heathrow Airport to Khon Kaen Airport? If you want to travel next month, return fares start from 780 €. Find the lowest prices on one-way and return tickets right here.
Khon Kaen.644 € per passenger.Departing Sun, 8 Nov, returning Sun, 22 Nov.Return flight with Shenzhen Airlines and Thai VietJet Air.Outbound indirect flight with Shenzhen Airlines, departs from London Heathrow on Sun, 8 Nov, arriving in Khon Kaen.Inbound indirect flight with Thai VietJet Air, departs from Khon Kaen on Sun, 22 Nov, arriving in London Heathrow.Price includes taxes and charges.From 644 €, select.
Khon Kaen.780 € per passenger.Departing Sun, 7 Jun, returning Sun, 21 Jun.Return flight with Air India and Thai Airways.Outbound indirect flight with Air India, departs from London Heathrow on Sun, 7 Jun, arriving in Khon Kaen.Inbound indirect flight with Thai Airways, departs from Khon Kaen on Sun, 21 Jun, arriving in London Heathrow.Price includes taxes and charges.From 780 €, select.
Khon Kaen.789 € per passenger.Departing Wed, 17 Jun, returning Wed, 15 Jul.Return flight with Air India and Thai Airways.Outbound indirect flight with Air India, departs from London Heathrow on Wed, 17 Jun, arriving in Khon Kaen.Inbound indirect flight with Thai Airways, departs from Khon Kaen on Wed, 15 Jul, arriving in London Heathrow.Price includes taxes and charges.From 789 €, select.
Khon Kaen.794 € per passenger.Departing Sat, 12 Sep, returning Sat, 26 Sep.Return flight with Air China and Thai VietJet Air.Outbound indirect flight with Air China, departs from London Heathrow on Sat, 12 Sep, arriving in Khon Kaen.Inbound indirect flight with Thai VietJet Air, departs from Khon Kaen on Sat, 26 Sep, arriving in London Heathrow.Price includes taxes and charges.From 794 €, select.
Khon Kaen.830 € per passenger.Departing Sun, 6 Sep, returning Tue, 6 Oct.Return flight with Air India and Thai Airways.Outbound indirect flight with Air India, departs from London Heathrow on Sun, 6 Sep, arriving in Khon Kaen.Inbound indirect flight with Thai Airways, departs from Khon Kaen on Tue, 6 Oct, arriving in London Heathrow.Price includes taxes and charges.From 830 €, select.
Khon Kaen.833 € per passenger.Departing Wed, 13 May, returning Sat, 13 Jun.Return flight with Gulf Air.Outbound indirect flight with Gulf Air, departs from London Heathrow on Wed, 13 May, arriving in Khon Kaen.Inbound indirect flight with Gulf Air, departs from Khon Kaen on Sat, 13 Jun, arriving in London Heathrow.Price includes taxes and charges.From 833 €, select.
Khon Kaen.887 € per passenger.Departing Sun, 5 Jul, returning Sun, 19 Jul.Return flight with Qatar Airways and Thai Airways.Outbound indirect flight with Qatar Airways, departs from London Heathrow on Sun, 5 Jul, arriving in Khon Kaen.Inbound indirect flight with Thai Airways, departs from Khon Kaen on Sun, 19 Jul, arriving in London Heathrow.Price includes taxes and charges.From 887 €, select.
Khon Kaen.893 € per passenger.Departing Wed, 18 Nov, returning Thu, 3 Dec.Return flight with China Eastern and Thai Airways.Outbound indirect flight with China Eastern, departs from London Heathrow on Wed, 18 Nov, arriving in Khon Kaen.Inbound indirect flight with Thai Airways, departs from Khon Kaen on Thu, 3 Dec, arriving in London Heathrow.Price includes taxes and charges.From 893 €, select.
Khon Kaen.909 € per passenger.Departing Sat, 23 May, returning Thu, 23 Jul.Return flight with Gulf Air.Outbound indirect flight with Gulf Air, departs from London Heathrow on Sat, 23 May, arriving in Khon Kaen.Inbound indirect flight with Gulf Air, departs from Khon Kaen on Thu, 23 Jul, arriving in London Heathrow.Price includes taxes and charges.From 909 €, select.
Khon Kaen.946 € per passenger.Departing Sun, 5 Jul, returning Mon, 3 Aug.Return flight with Qatar Airways and Thai Airways.Outbound indirect flight with Qatar Airways, departs from London Heathrow on Sun, 5 Jul, arriving in Khon Kaen.Inbound indirect flight with Thai Airways, departs from Khon Kaen on Mon, 3 Aug, arriving in London Heathrow.Price includes taxes and charges.From 946 €, select.
Khon Kaen.950 € per passenger.Departing Thu, 29 Oct, returning Thu, 19 Nov.Return flight with Lufthansa and Thai VietJet Air.Outbound indirect flight with Lufthansa, departs from London Heathrow on Thu, 29 Oct, arriving in Khon Kaen.Inbound indirect flight with Thai VietJet Air, departs from Khon Kaen on Thu, 19 Nov, arriving in London Heathrow.Price includes taxes and charges.From 950 €, select.
Khon Kaen.989 € per passenger.Departing Thu, 10 Dec, returning Tue, 9 Mar.Return flight with Iberia and Thai Airways.Outbound indirect flight with Iberia, departs from London Heathrow on Thu, 10 Dec, arriving in Khon Kaen.Inbound indirect flight with Thai Airways, departs from Khon Kaen on Tue, 9 Mar, arriving in London Heathrow.Price includes taxes and charges.From 989 €, select.
Khon Kaen.1.000 € per passenger.Departing Wed, 26 Aug, returning Wed, 16 Sep.Return flight with Gulf Air.Outbound indirect flight with Gulf Air, departs from London Heathrow on Wed, 26 Aug, arriving in Khon Kaen.Inbound indirect flight with Gulf Air, departs from Khon Kaen on Wed, 16 Sep, arriving in London Heathrow.Price includes taxes and charges.From 1.000 €, select.
Khon Kaen.1.003 € per passenger.Departing Thu, 18 Feb, returning Wed, 17 Mar.Return flight with Turkish Airlines and Thai Airways.Outbound indirect flight with Turkish Airlines, departs from London Heathrow on Thu, 18 Feb, arriving in Khon Kaen.Inbound indirect flight with Thai Airways, departs from Khon Kaen on Wed, 17 Mar, arriving in London Heathrow.Price includes taxes and charges.From 1.003 €, select.
Khon Kaen.1.008 € per passenger.Departing Fri, 16 Oct, returning Thu, 22 Oct.Return flight with Gulf Air.Outbound indirect flight with Gulf Air, departs from London Heathrow on Fri, 16 Oct, arriving in Khon Kaen.Inbound indirect flight with Gulf Air, departs from Khon Kaen on Thu, 22 Oct, arriving in London Heathrow.Price includes taxes and charges.From 1.008 €, select.
Khon Kaen.1.015 € per passenger.Departing Mon, 8 Mar, returning Sat, 20 Mar.Return flight with Turkish Airlines and Thai AirAsia.Outbound indirect flight with Turkish Airlines, departs from London Heathrow on Mon, 8 Mar, arriving in Khon Kaen.Inbound indirect flight with Thai AirAsia, departs from Khon Kaen on Sat, 20 Mar, arriving in London Heathrow.Price includes taxes and charges.From 1.015 €, select.

Find the cheapest month to fly from London Heathrow to Khon Kaen

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Khon Kaen flights are currently cheapest in November.
May
from 1.106 €
Jun
from 780 €
Jul
from 887 €
Aug
from 1.327 €
Sep
from 794 €
Oct
from 1.008 €
Nov
from 644 €
Dec
from 1.123 €
Jan
Find prices
Feb
from 1.016 €
Mar
from 1.015 €
Apr
from 1.387 €

London Heathrow to Khon Kaen: Alternative routes

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

Khon Kaen

6km from central Khon Kaen
ClosestCheapest
from 644 €
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London to Khon Kaen: Flight information

The things to know before you go.
Cheapest flight found644 €
Cheapest month to flyNovember

Finding cheap flights from London Heathrow to Khon Kaen: Frequently asked questions

The best price we found for a return flight from London Heathrow to Khon Kaen is 644 €. 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.
Currently, there are no airlines that fly direct from London Heathrow to Khon Kaen. But we found flights with one or more stops from 644 €.
As of May 2026, there are no flights flying from London Heathrow to Khon Kaen.
The cheapest month to fly from London Heathrow to Khon Kaen is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Khon Kaen Airport on Sunday, 8 November 2026.
No airlines currently offer direct flights between London Heathrow Airport and Khon Kaen Airport. 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 Khon Kaen 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 Khon Kaen is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Shenzhen Airlines offers the cheapest flight tickets to Khon Kaen.

Travelling from London Heathrow Airport (LHR) to Khon Kaen Airport (KKC): what you need to know

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to board your LHR to KKC flight.

  • Flying during a peak time such as July? Major public holidays and other high seasons can lead to longer lines at check-in and security. Play it safe and get there up to four hours ahead of an international flight and two hours before domestic departures.

  • Explore another city along the way or simply break up your flight with a stopover. Just deselect 'Direct flights only' to see your options when searching for tickets from London Heathrow Airport to Khon Kaen Airport. Many passengers pass through Suvarnabhumi Airport when flying between LHR and KKC.

How to find the cheapest flights from London Heathrow Airport (LHR) to Khon Kaen Airport (KKC)

  • Right now, 378 € is the cheapest price we've seen for a one-way London Heathrow Airport to Khon Kaen Airport flight. The best price for a return ticket is 644 €. Bear in mind that fares could change due to availability when booking.

  • To find cheap tickets from LHR to KKC, book in advance. Airlines typically offer lower fares when flights are first made available.

  • If you can be flexible with your trip dates, use the 'Whole month' tool. It'll show you the lowest price in every month when looking for your flight from London Heathrow Airport to Khon Kaen Airport.

  • Finding cheap flights from LHR to KKC is a cinch with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when a lower fare pops up.

  • Choose your ideal arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from London Heathrow Airport to Khon Kaen Airport.

Handy information about London Heathrow Airport (LHR)

  • When it comes to London Heathrow Airport's on-time performance, data shows 68.18% of flights complete their journey on time.

  • To reach London Heathrow Airport from central London, it'll take around 55 minutes if you're going by car. Of course, this depends on traffic conditions. It's approximately 31 kilometres from the airport to the city centre.

  • The journey on public transport takes roughly 1 hour.

  • Get your break off to a leisurely start by staying near LHR. Whether you have an early flight from London Heathrow Airport to Khon Kaen Airport or just don't like being rushed, these stays have you covered:

Arriving at Khon Kaen Airport (KKC)

  • Reserve a hotel close to KKC if you're on a late London Heathrow Airport to Khon Kaen Airport flight. Choose one of these accommodation options and skip the long transfer after landing:

  • Travel at your own speed with a Khon Kaen Airport rental car. Book your wheels from Chic Car Rent, Hertz or Thai Rent a Car and chase adventure across Khon Kaen and beyond.

  • To get the best deal, book your ride from Khon Kaen Airport about two weeks before you travel.

Getting from Khon Kaen Airport (KKC) to central Khon Kaen

  • From Khon Kaen Airport, Khon Kaen is approximately 8 kilometres away. It takes around 15 minutes to drive to the centre.

  • Getting there by public transport takes around 35 minutes.

When to fly to Khon Kaen Airport (KKC)

  • It's time to pick your trip dates for your flight from London Heathrow Airport to Khon Kaen Airport. April is the most popular month to head to Khon Kaen. If you want a more low-key vibe, go in February.

  • Lock in your flight from London Heathrow Airport to Khon Kaen Airport for April if you want to explore Khon Kaen during its warmest month. You can expect temperatures of between 24ºC (75ºF) and 41ºC (106ºF).

  • January has average temperatures of between 15ºC (59ºF) and 32ºC (90ºF). Look for cheap tickets from LHR to KKC around that time if you'd rather travel in cooler conditions.

Explore more of Thailand

  • You've seen Khon Kaen, now it's time to explore other corners of Thailand. Journey about 386 kilometres south-west to Bangkok to tick off its leading sights. From Grand Palace to Wat Arun and Wat Phra Kaew, there's plenty to keep you busy.

  • Udon Thani is another favourite destination in Thailand and is around 105 kilometres north of Khon Kaen. No journey is complete without experiencing Nong Prajak Public Park, Krom Luang Prachaksinlapakhom Monument and Chinesisches Tor.

Plan the rest of your trip from London to Khon Kaen

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.