Cheap Flights from London (LHR) to Chiang Mai (CNX)

Round-trip journeys between Heathrow Airport and Chiang Mai Airport start from . This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.

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Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Heathrow Airport (LHR) to Chiang Mai Airport flights, you'll see a "no change fees" filter for you to select.

You'll have 9,000 kilometres to cover on the long-haul Hounslow to Chiang Mai route. Dress in layers of comfortable clothes and consider taking a neck pillow with you.

You won't find any airlines operating directly between LHR and CNX, so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a welcome way to break up a trip!

It is possible to pick up great last-minute deals from LHR to CNX, but it's also possible to miss out entirely! As many airlines advertise prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to book when you spot a bargain. Expedia compares carrier prices and updates flight deals frequently, so you can feel confident knowing you're always seeing the latest offers.