Search flights from London (LON) to Chiang Mai (CNX)

Book your plane tickets from London to Chiang Mai with ease

Cheapest flights to Chiang Mai

The cheapest flights available in the next 60 days – prices are updated regularly

Flying from London to Chiang Mai: things to know

The most popular route is from London Heathrow Airport in London to Chiang Mai International Airport in Chiang Mai. On average this flight takes 16 hours 3 minutes one way and costs US$2,186 for the round trip.

Most popular route
London Heathrow Airport (LHR) to Chiang Mai International Airport (CNX)
Average flight time
16 hours 3 minutes
Average round-trip price
US$2,186
Fly from London to Chiang Mai
27 airlines

Reasons to book flights with Booking.com

  • Great selection

    Easily compare flights, airlines and prices – all in one place

  • No hidden fees

    Always know exactly what you’re paying for

  • Flexibility

    Use our flexible plane ticket option to change your dates if needed

Flexible plane ticket options are available for an additional cost on selected airfares

Airlines that fly from London to Chiang Mai

Airline options may vary according to recently booked flights and your search terms

  • Thai Airways
  • China Eastern Airlines
  • Air China
  • Etihad Airways
  • Eva Air
  • Malaysia Airlines
  • Emirates
  • Qatar Airways
  • Cathay Pacific
  • Swiss
  • China Southern Airlines
  • Singapore Airlines
  • Austrian Airlines
  • Turkish Airlines
  • Gulf Air
  • Finnair

Frequently asked questions

Fly to more destinations from London

Research, refine and make plans for your whole trip

Flights to Chiang Mai Province

Get your flight tickets to Chiang Mai Province right here on Booking.com.

Flights to Northern Thailand

Reaching Northern Thailand just got easier!

All flights

Fly to your next dream destination.

Flights from London to Thailand

Plan your next getaway from London.

Flights from the United Kingdom to Thailand

More options to fly to Thailand.

Hotels in Chiang Mai

A popular choice with visitors to Thailand.