Cheap Flights from Chiang Mai to London Heathrow

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Compare Chiang Mai to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

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Flight deals from Chiang Mai to London Heathrow

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

Find the cheapest month to fly from Chiang Mai to London Heathrow

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

Chiang Mai to London Heathrow: Alternative routes

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

Chiang Mai to London: Flight information

The things to know before you go.
Cheapest flight foundAED 2,887
Cheapest month to flyApril

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

The best price we found for a round-trip flight from Chiang Mai to London Heathrow is AED 2,887. 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 Heathrow. But we found flights with one or more stops from AED 2,887.
There are no flights flying from Chiang Mai to London Heathrow, as of April 2025.
The cheapest month to fly from Chiang Mai to London Heathrow is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chiang Mai Airport to London Heathrow Airport on Tuesday, April 8, 2025.
No airlines currently offer direct flights between Chiang Mai Airport and London Heathrow 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 London Heathrow 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.
Currently, China Eastern offers the cheapest flight tickets to London Heathrow.

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

  • You'll likely experience bigger queues in popular months like August and other peak seasons. Arriving up to fours hours ahead of international flights and two hours for domestic departures is a good idea.

  • To break up your flight from Chiang Mai International Airport to London Heathrow Airport, consider adding a stopover. Simply uncheck 'Direct flights only' and find a destination that interests you. The top stopovers on the CNX - LHR route are:

    • Kuala Lumpur International Airport

    • Suvarnabhumi Airport

    • Hong Kong International Airport

  • Before organizing your cheap ticket from CNX to LHR, check if you need a visa to enter United Kingdom. Travel document and visa requirements may differ and are updated often. To get the latest information, get in touch with the nearest embassy or consulate of the country you're going to.

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

  • AED 1,093 is the best price for a one-way ticket from Chiang Mai International Airport to London Heathrow Airport. A return flight starts at AED 2,887. These prices may change depending on demand.

  • To get your hands on cheap flight tickets from CNX to LHR, book in advance. Airlines typically offer the most competitive fares when flights are first made available.

  • Finding cheap flight tickets from Chiang Mai International Airport to London Heathrow Airport is easier if you're flexible with your trip dates. Use the 'Whole month' search tool to see the lowest prices throughout the month and snap up a great deal.

  • Sign into your online account or use the app to set up a Price Alert. You'll be notified right away if there's a better deal on this route. It's simple to do, and it'll save you from looking for cheap flight tickets from CNX to LHR every day.

  • Take advantage of filters to find the best trip for you. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Chiang Mai International Airport to London Heathrow Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and journey duration.

Handy information about Chiang Mai International Airport (CNX)

  • Located around 5 kilometers from the center of Chiang Mai, Chiang Mai International Airport can be reached in about 10 minutes by car, depending on traffic. The journey on public transport is roughly 23 minutes.

  • After an easy way to start to your travels? Stay near CNX. Whether you're on an early flight from Chiang Mai International Airport to London Heathrow Airport or just don't want to be rushed, these stays are just the thing:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • London Heathrow Airport to the center of London takes about 57 minutes by car. It's approximately 31 kilometers away. Find out what options are available, such as car rentals, cabs or ride-sharing services.

  • It takes roughly 1 hour and 1 minute to get there using public transport.

When to fly to London Heathrow Airport (LHR)

  • The quietest month for a flight from Chiang Mai International Airport to London Heathrow Airport is February, while July is the busiest. Pick the ideal time to go to London based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in London is July, with temperatures ranging between 11ºC and 26ºC. Book your flights from Chiang Mai International Airport to London Heathrow Airport in this month if you enjoy this type of weather.

  • If you want to travel in cooler conditions, look for a cheap ticket from CNX to LHR in January. Average temperatures are between 0ºC and 9ºC then.

More about London

Complete your London trip with hotels and a car rental

  • After you've secured your cheap ticket to London Heathrow Airport, browse our low prices and exclusive rates for hotels. You can also compare hundreds of car rental companies in one go to find the best car rental price for your London vacation.

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