Cheap Flights from London to Chiang Mai

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Compare London to Chiang Mai flight deals

Find the cheapest month or even day of the year to fly to Chiang Mai

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Flight deals from London to Chiang Mai

Looking for a cheap last-minute deal or the best return flight from London to Chiang Mai? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from London to Chiang Mai

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Chiang Mai flights are currently cheapest in May.

London to Chiang Mai: Alternative routes

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

London to Chiang Mai: Flight information

The things to know before you go.
Cheapest flight foundR 5,506
Cheapest month to flyMay

Finding cheap flights from London to Chiang Mai: Frequently asked questions

The best price we found for a return flight from London to Chiang Mai is R 12,081. 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 to Chiang Mai. But we found flights with one stop from R 12,081.
As of April 2025, there are no flights flying from London to Chiang Mai.
The cheapest month to fly from London to Chiang Mai is usually April 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Chiang Mai Airport on Thursday, 12 June 2025.
No airlines currently offer direct flights between London and Chiang Mai 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 Chiang Mai 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 Chiang Mai is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Chiang Mai is China Southern .

Travelling from London to Chiang Mai International Airport (CNX): what you need to know

  • London has plenty of airports to fly out of. Check out your departure options from London Heathrow Airport (LHR) and London Gatwick Airport (LGW) when organising your flight from London to Chiang Mai International Airport (CNX). Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY) are the other main bases in the city.

  • Chiang Mai International Airport is located in Chiang Mai. The city operates in the UTC+7 timezone and is 7 hours ahead of London.

  • Your flight from London to CNX won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • You'll likely experience bigger queues during popular months such as July and other peak periods. Arriving up to four hours in advance for an international flight and two hours for a domestic departure will help ensure a smooth travel experience.

Airports in London

London Heathrow Airport (LHR)

  • We make it a breeze to find a flight from London to CNX that includes a stopover. To see your options departing from London Heathrow Airport (LHR), deselect 'Direct flights only.' Then, select a flight offering a stop long enough to tour your chosen city. Major stopovers between LHR and CNX include:

    • Suvarnabhumi Airport (BKK)

    • Hong Kong International Airport (HKG)

    • Shanghai Pudong International Airport (PVG)

  • The distance from central London to LHR is around 31 kilometres. Use travel apps like Google Maps for the fastest route, whether you prefer to drive or use public transport.

  • Want an easy start to your trip? Stay near London Heathrow Airport. Whether you have an early flight from London to Chiang Mai International Airport or want to avoid feeling rushed, these hotels are just the thing:

London Gatwick Airport (LGW)

  • Split up your flight from London to Chiang Mai International Airport with a stop so you can freshen up or cross another place off your list. Some great stopovers between London Gatwick Airport and CNX include:

    • Suvarnabhumi Airport (BKK)

    • Hong Kong International Airport (HKG)

    • Kuala Lumpur International Airport (KUL)

  • LGW is around 80 kilometres from central London. It takes 1 hour and 19 minutes or so to get to the airport in a car from the city centre. Public transport takes approximately 1 hour and 26 minutes.

  • You're going on holiday, so why not spend an additional night away? Think about checking in to one of these hotels near London Gatwick Airport the day before your flight from London to CNX:

About Chiang Mai International Airport (CNX)

Getting from Chiang Mai International Airport (CNX) to central Chiang Mai

  • Chiang Mai International Airport to central Chiang Mai takes about 10 minutes by car. It's approximately 5 kilometres away. See what options are available, such as car rentals, cabs or ride-sharing.

  • It typically takes 23 minutes if you're travelling by public transport.

How to find the cheapest flights from London to Chiang Mai International Airport (CNX)

  • For a one-way ticket from London to Chiang Mai International Airport, R 5,506 is the best price we've seen. You can also book a return trip starting from R 12,081. These are currently the lowest fares and may vary based on availability.

  • To pick up cheap tickets from London to CNX, book in advance. Airlines usually offer lower fares when flights are first made available.

  • The 'Whole month' search tool shows you the cheapest tickets from London to Chiang Mai International Airport across the month. It's an easy way to find a bargain if your plans are flexible.

  • Set up a Price Alert for cheap tickets from London to CNX. You don't need to search every day to find out if fares have dropped. We'll let you know as soon as there's a change in price.

  • Customise your journey with filters. Choose the total duration, number of stops, and departure and arrival times to find the right flight from London to Chiang Mai International Airport. You can also sort the results to see the 'Fastest,' 'Cheapest' or 'Best' options first.

The best time to fly from London to Chiang Mai International Airport (CNX)

  • August is the busiest month to hop on a flight from London to Chiang Mai International Airport while February is the quietest. To work out the ideal time to visit Chiang Mai, consider whether you like a lively atmosphere or a quieter vibe.

  • The warmest month in Chiang Mai is April, with the temperature ranging between 22ºC and 42ºC. Lock in your flights from London to CNX in this month if you enjoy this type of weather.

  • Search for cheap flights from London to Chiang Mai International Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 12ºC and 31ºC on average.

More about Chiang Mai

  • After locking in your flight from London to Chiang Mai International Airport, think about where you'll stay in this city. Make one of these accommodation options your base for exploring Chiang Mai:

  • Every great journey has to include some sightseeing. Doi Suthep, Kalare Night Bazaar and Wat Phra Singh are must-visits when exploring Chiang Mai.

Complete your Chiang Mai trip with a car rental

  • Exit all those tabs and leave the hard work to us. We can also help you find deals on car rentals in Chiang Mai once you've booked your cheap flight from London to Chiang Mai International Airport. Easily compare prices all in one place and drive off with a bargain that's hard to match.

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