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Cheap flights from London Heathrow Airport to Khon Kaen from £612

LHR — KKC
29 Oct — 5 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Khon Kaen

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Khon Kaen

Mon 16/1109:30 -
2 stops23h 45m
Mon 23/1108:40 -
2 stops29h 50m
Deal found 25/9£612
Mon 23/1121:40 -
2 stops34h 30m
Thu 3/1215:40 -
2 stops21h 55m
Deal found 27/9£618
Sun 22/1121:40 -
2 stops34h 30m
Thu 3/1215:40 -
2 stops21h 55m
Deal found 28/9£621
Tue 10/1109:30 -
2 stops22h 40m
Tue 17/1115:40 -
2 stops21h 55m
Deal found 26/9£665
Fri 20/1121:40 -
2 stops34h 30m
Sat 5/1211:55 -
2 stops25h 40m
Deal found 27/9£686
Tue 3/1121:40 -
2 stops34h 30m
Wed 27/115:40 -
2 stops21h 55m
Deal found 27/9£736
Sun 22/1121:10 -
2 stops36h 05m
Thu 3/1208:25 -
1 stop18h 10m
Deal found 28/9£745

Find flight deals from Heathrow to Khon Kaen

Round-trip from

£612
16/11-23/11
  • 16/11-23/11
  • 4 total stops
  • 53h 35m total
  • London to Khon Kaen
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Khon Kaen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonKhon Kaen

LHR London Heathrow - KKC Khon Kaen

LHRKKC

London Heathrow

Mon 22/2

21:40-15:10

2 stops34h 30m

Khon Kaen

Mon 8/3

15:40-14:45

2 stops30h 05m

£632

LondonKhon Kaen

LHR London Heathrow - KKC Khon Kaen

LHRKKC

London Heathrow

Fri 20/11

21:40-15:10

2 stops34h 30m

Khon Kaen

Sat 5/12

11:55-06:35

2 stops25h 40m

£686

LondonKhon Kaen

LHR London Heathrow - KKC Khon Kaen

LHRKKC

London Heathrow

Tue 3/11

21:40-15:10

2 stops34h 30m

Khon Kaen

Wed 27/1

15:40-06:35

2 stops21h 55m

£736

LondonKhon Kaen

LHR London Heathrow - KKC Khon Kaen

LHRKKC

London Heathrow

Mon 23/11

21:10-08:10

2 stops28h 00m

Khon Kaen

Thu 3/12

08:25-19:35

1 stop18h 10m

£746

LondonKhon Kaen

LHR London Heathrow - KKC Khon Kaen

LHRKKC

London Heathrow

Tue 27/10

22:30-16:15

2 stops34h 45m

Khon Kaen

Tue 3/11

08:40-19:35

1 stop17h 55m

£767

LondonKhon Kaen

LHR London Heathrow - KKC Khon Kaen

LHRKKC

London Heathrow

Mon 16/11

21:20-20:25

1 stop16h 05m

Khon Kaen

Mon 23/11

11:55-19:05

1 stop38h 10m

£863
Fastest return journey

LondonKhon Kaen

LHR London Heathrow - KKC Khon Kaen

LHRKKC

London Heathrow

Tue 10/11

21:20-20:25

1 stop16h 05m

Khon Kaen

Tue 17/11

08:25-19:05

1 stop17h 40m

£880

LondonKhon Kaen

LHR London Heathrow - KKC Khon Kaen

LHRKKC

London Heathrow

Sat 13/2

11:50-16:15

1 stop21h 25m

Khon Kaen

Sat 27/2

16:50-05:55

2 stops20h 05m

£884

LondonKhon Kaen

LHR London Heathrow - KKC Khon Kaen

LHRKKC

London Heathrow

Fri 20/11

11:50-15:10

1 stop20h 20m

Khon Kaen

Sat 5/12

08:25-19:35

1 stop18h 10m

£941

LondonKhon Kaen

LHR London Heathrow - KKC Khon Kaen

LHRKKC

London Heathrow

Sun 3/1

21:35-20:25

1 stop15h 50m

Khon Kaen

Sat 16/1

20:55-19:35

1 stop29h 40m

£963

Flights are sorted by cheapest return flights first.

Deals found on 28/9

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Khon Kaen

Have a flexible travel schedule? Discover the best time to fly to Khon Kaen from Heathrow with our price prediction graph.
Estimated return price

Reviews of airlines servicing Khon Kaen

See what other customers who have flown with Thai Airways from London Heathrow Airport to Khon Kaen have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.9
Good
425 reviews
Check prices

Comfort

7.7

Boarding

8.0

Crew

8.5

Entertainment

6.9

Food

7.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.
Thai Airways
7.9
Good
425 reviews
Thai Airways
7.9
Good
425 reviews
Check prices

Comfort

7.7

Boarding

8.0

Crew

8.5

Entertainment

6.9

Food

7.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Related info for your journey

  • What airport do you fly into for flights to Khon Kaen from London Heathrow?

    Most people fly into Khon Kaen (KKC) if they book a flight to Khon Kaen from London Heathrow. On average, Khon Kaen has 0 inbound flights from London Heathrow per day from 1 airline. Khon Kaen is conveniently located just 3.6 mi from Khon Kaen’s city center.

  • How long is the flight from London Heathrow Airport to Khon Kaen?

    For as low as £632, Gulf Air can have you in Khon Kaen from London Heathrow Airport in 34h 30m. There are 5878 mi between London Heathrow Airport and Khon Kaen.

  • What is the cheapest airline to fly from London Heathrow Airport to Khon Kaen round-trip?

    According to our current data, Thai Airways (£809), offers the cheapest pricing from London Heathrow Airport to Khon Kaen.

  • Can I find deals for flights from Heathrow to Khon Kaen that include hotel bookings?

    Yes. In addition to deals on Heathrow to Khon Kaen flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Khon Kaen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Khon Kaen.

  • Can I find deals for business class flights from Heathrow to Khon Kaen?

    Yes. Cheapflights offers flight deals from Heathrow to Khon Kaen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Heathrow to Khon Kaen

AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapest£809Average£933FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Khon Kaen?

When you search for this flight from Heathrow to Khon Kaen, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Khon Kaen?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Khon Kaen.

Can Cheapflights find flights from Heathrow to Khon Kaen with no change fees?

Certainly. Search results for flights to Khon Kaen from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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