589 € Cheap Flights from Chiang Mai to London

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Flight deals from Chiang Mai to London

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

Find the cheapest month to fly from Chiang Mai to London

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

Alternative Chiang Mai to London routes

Looking for the cheapest, fastest or easiest route from Chiang Mai to London? You could fly into the following airports instead.

Chiang Mai to London: Flight information

The things to know before you go.
Cheapest flight found589 €
Cheapest month to flyOctober

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

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a return flight from Chiang Mai to London is 589 €. 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 Chiang Mai to London. But we found flights with one or more stops from 589 €.
As of August 2025, there are no flights flying from Chiang Mai to London.
The cheapest month to fly from Chiang Mai to London is usually October.
If you're flying from Chiang Mai Airport, the cheapest airport near London is London Gatwick – which is 40.3 km away from the centre of London. We've found flights into this airport from 589 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chiang Mai Airport to London on Wednesday, 29 October 2025.
No airlines currently offer direct flights between Chiang Mai Airport and London. 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 London 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 London is around 40 days in advance, so don’t leave your flight to the last minute.
In August, the average temperature is usually around 17°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.
Currently, Thai LionAir offers the cheapest flight tickets to London.

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

  • The timezone in London is UTC+0. The city is seven hours behind Chiang Mai, where Chiang Mai International Airport is located.

  • Give yourself enough time to get on your CNX to London flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Delays at check-in and security are more likely if you're jetting off during high season, so give yourself even more breathing space. A good rule of thumb for peak times? Arrive up to four hours early for international flights and at least two hours for domestic departures.

  • We make it a breeze to book plane tickets from CNX to London with a stopover. To see all the options, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to tour the city of your choice. Popular stopovers include:

    • Guangzhou Baiyun International Airport (CAN)

    • Shanghai Pudong International Airport (PVG)

    • Kuala Lumpur International Airport (KUL)

  • Located around 3 kilometres from the centre of Chiang Mai, CNX can be reached in about 10 minutes by car (depending on traffic). The journey on public transport takes roughly 25 minutes.

  • Want a leisurely start to your trip? Stay near CNX. Whether you're boarding an early flight from Chiang Mai International Airport to London or just don't want to be rushed, these hotels are worth a look:

  • Of the flights that depart from Chiang Mai International Airport, 76.37% arrive as scheduled at their destination.

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

  • 178 € is currently the lowest price for a one-way Chiang Mai International Airport to London flight. A return plane ticket starts at 589 €. These prices may change based on availability.

  • Booking early is often the key to securing a cheap flight from CNX to London. Flight prices rise as demand increases, so the closer you get to departure, the more you'll likely pay.

  • If you have flexibility with your travel dates, make the most of the 'Whole month' tool. It'll give you the cheapest price across every month when looking for your Chiang Mai International Airport to London ticket.

  • You don't need to check back constantly to find out if fares have dropped when you create a Price Alert. We'll update you as soon as there's an even better deal on cheap flights from CNX to London.

  • Select your ideal departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Chiang Mai International Airport to London by 'Fastest,' 'Best' or 'Cheapest.'

Airports in London

London Heathrow Airport (LHR)

  • London Heathrow Airport (LHR) to central London takes around 55 minutes to reach by car. The centre is roughly 31 kilometres away.

  • Travelling by public transport will take you around 1 hour.

  • If you're coming in on a late flight from Chiang Mai International Airport to London, few things beat the convenience of staying near the terminal. Collect your bags from the carousel and then be showered and resting soon after at one of these hotels near LHR:

  • Say yes to new adventures by picking up a London Heathrow Airport rental car. Grab a set of wheels from Surprice, U-Save or Green Motion and explore beyond London's main sights.

  • Lock in the best rate by booking your vehicle from London Heathrow Airport about one week in advance of your flight from CNX to London.

London Gatwick Airport (LGW)

  • The centre of London is about 80 kilometres from London Gatwick Airport (LGW). Once your flight from Chiang Mai International Airport to London has hit the runway and you've made your way through the terminal, the drive should take about 1 hour 20 minutes.

  • The trip will take roughly 30 minutes on public transport.

  • Hang the 'Do not disturb' sign on your door and relax at a hotel close to LGW. Here are a few options where you can kick back after your CNX to London flight:

  • Forget about inconvenient public transport schedules or waiting forever for a cab. Pick up a London Gatwick Airport rental car and go in any direction that inspires you. Compare rates and availability from Green Motion, U-Save and Drivalia.

  • Get first dibs on the best options. Reserving your ride from LGW three weeks ahead of time often means better prices and a greater selection of vehicles.

Stansted Airport (STN)

  • Hop off your flight from Chiang Mai International Airport to London and make your way to your hotel or start exploring right away. The centre of London is around 64 kilometres from Stansted Airport (STN) and usually takes 1 hour to reach by car.

  • The journey takes roughly 1 hour 25 minutes by public transport.

  • Stay at a hotel close to STN and go from landing to lounging in your room in a flash. Whether you have a late CNX to London flight or just want an easier arrival, these accommodation options put comfort right within reach:

  • Whether you're looking for a mini for a solo getaway or a full-size SUV to fit a group of friends, you'll find the right Stansted Airport rental car for your needs. Check out the types of wheels available here from names such as Green Motion, Drivalia and Europcar.

  • If you're after a specific kind of vehicle, lock in your ride from STN about four weeks before your flight from Chiang Mai International Airport to London. This gives you a better chance of getting the car you want, along with a better price.

Best time to go to London

  • Carefully consider your travel dates before securing your flight from Chiang Mai International Airport to London. The city comes alive in high season, but hotel rates are usually higher and top attractions can be busy. Visit London in the low season if you prefer a quieter vibe.

  • When booking your Chiang Mai International Airport to London plane ticket, think about what kind of weather you prefer. July is the warmest month in London, with temperatures ranging from 11ºC (52ºF) to 26ºC (79ºF).

  • If you'd rather travel in cooler conditions, search for a cheap ticket from CNX to London in January when temperatures average between 0ºC (32ºF) and 9ºC (48ºF).

More about London

  • Start your London trip off on the right foot by choosing the perfect place to stay. Once you've booked your flight from Chiang Mai International Airport to London, explore our selection of accommodation options including:

  • There are so many things to explore in this city it can be hard to work out where to start. The British Museum, Big Ben and Buckingham Palace are major attractions which should be on every London itinerary.

Explore more of United Kingdom

  • London has loads to offer, but there are so many other parts of United Kingdom just waiting to be explored. Around 161 kilometres north-west of London, a visit to Birmingham will keep you busy. Don't miss top attractions like Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • If you're eager to discover another corner of United Kingdom, consider Bristol, roughly 177 kilometres west of London. Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park are the start of reasons to visit.

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