Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Khon Kaen from £635

LHR — KKC
30 Nov — 7 Dec1
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

Sat 28/1112:30 -
2 stops23h 00m
Sat 5/1219:05 -
2 stops31h 05m
Deal found 29/10£635
Mon 23/1121:20 -
1 stop16h 00m
Thu 3/1208:25 -
1 stop17h 40m
Deal found 29/10£699
Tue 3/1109:30 -
2 stops22h 40m
Wed 27/115:40 -
2 stops21h 55m
Deal found 26/10£722

Find flight deals from Heathrow to Khon Kaen

Round-trip from

£635
28/11-5/12
  • 28/11-5/12
  • 4 total stops
  • 54h 05m 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
Fastest return journey

LondonKhon Kaen

LHR London Heathrow - KKC Khon Kaen

LHRKKC

London Heathrow

Mon 23/11

21:20-20:20

1 stop16h 00m

Khon Kaen

Thu 3/12

08:25-19:05

1 stop17h 40m

£700

LondonKhon Kaen

LHR London Heathrow - KKC Khon Kaen

LHRKKC

London Heathrow

Mon 23/11

09:30-15:10

2 stops22h 40m

Khon Kaen

Thu 3/12

15:40-06:35

2 stops21h 55m

£750

LondonKhon Kaen

LHR London Heathrow - KKC Khon Kaen

LHRKKC

London Heathrow

Fri 11/12

08:45-18:30

3 stops26h 45m

Khon Kaen

Fri 18/12

16:50-11:05

2 stops25h 15m

£777

LondonKhon Kaen

LHR London Heathrow - KKC Khon Kaen

LHRKKC

London Heathrow

Fri 20/11

09:30-15:10

2 stops22h 40m

Khon Kaen

Sat 5/12

11:55-06:35

2 stops25h 40m

£814

LondonKhon Kaen

LHR London Heathrow - KKC Khon Kaen

LHRKKC

London Heathrow

Fri 20/11

15:30-20:20

2 stops21h 50m

Khon Kaen

Sat 5/12

15:40-06:35

2 stops21h 55m

£832

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Sorted by cheapest first

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
433 reviews
Check prices

Comfort

7.7

Overall

7.9

Crew

8.5

Entertainment

6.9

Food

7.5

Boarding

8.0

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
433 reviews
Thai Airways
7.9
Good
433 reviews
Check prices

Comfort

7.7

Overall

7.9

Crew

8.5

Entertainment

6.9

Food

7.5

Boarding

8.0

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 £750, Gulf Air can have you in Khon Kaen from London Heathrow Airport in 22h 40m. 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 (£800), 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£800Average£923FlexibilityNo 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.

Can Cheapflights notify me if prices for flights from Heathrow to Khon Kaen become cheaper?

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.