S$500 Cheap Flights from London to Chiang Mai

View S$500 flight on Wed, 13 May, 2026Opens in a new window

Popular airlines from Heathrow Airport (LHR) to Chiang Mai Intl. Airport (CNX)

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

Prices were available within the past 7 days and start at S$500 for one-way flights and S$878 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air China
Tue, 1 Dec - Thu, 21 Jan
LHR
London
CNX
Chiang Mai
S$878 Return, found 1 day ago
S$878
Return
found 1 day ago
Select Air China flight, departing Tue, 1 Dec from London to Chiang Mai, returning Thu, 21 Jan, priced at S$878 found 1 day ago
Air China
Wed, 10 Jun - Mon, 15 Jun
LHR
London
CNX
Chiang Mai
S$1,033 Return, found 18 hours ago
S$1,033
Return
found 18 hours ago
Select Air China flight, departing Wed, 10 Jun from London to Chiang Mai, returning Mon, 15 Jun, priced at S$1,033 found 18 hours ago
Air China
Wed, 13 May - Tue, 26 May
LHR
London
CNX
Chiang Mai
S$1,240 Return, found 1 day ago
S$1,240
Return
found 1 day ago
Select Air China flight, departing Wed, 13 May from London to Chiang Mai, returning Tue, 26 May, priced at S$1,240 found 1 day ago
Gulf Air
Wed, 10 Jun - Mon, 15 Jun
LHR
London
CNX
Chiang Mai
S$1,317 Return, found 18 hours ago
S$1,317
Return
found 18 hours ago
Select Gulf Air flight, departing Wed, 10 Jun from London to Chiang Mai, returning Mon, 15 Jun, priced at S$1,317 found 18 hours ago
Etihad Airways
Tue, 1 Dec - Thu, 21 Jan
LHR
London
CNX
Chiang Mai
S$1,381 Return, found 1 day ago
S$1,381
Return
found 1 day ago
Select Etihad Airways flight, departing Tue, 1 Dec from London to Chiang Mai, returning Thu, 21 Jan, priced at S$1,381 found 1 day ago
China Eastern Airlines
Wed, 10 Jun - Mon, 15 Jun
LHR
London
CNX
Chiang Mai
S$1,610 Return, found 18 hours ago
S$1,610
Return
found 18 hours ago
Select China Eastern Airlines flight, departing Wed, 10 Jun from London to Chiang Mai, returning Mon, 15 Jun, priced at S$1,610 found 18 hours ago
Qatar Airways
Wed, 10 Jun - Mon, 15 Jun
LHR
London
CNX
Chiang Mai
S$1,629 Return, found 18 hours ago
S$1,629
Return
found 18 hours ago
Select Qatar Airways flight, departing Wed, 10 Jun from London to Chiang Mai, returning Mon, 15 Jun, priced at S$1,629 found 18 hours ago
China Airlines
Tue, 1 Dec - Thu, 21 Jan
LHR
London
CNX
Chiang Mai
S$1,696 Return, found 1 day ago
S$1,696
Return
found 1 day ago
Select China Airlines flight, departing Tue, 1 Dec from London to Chiang Mai, returning Thu, 21 Jan, priced at S$1,696 found 1 day ago
Malaysia Airlines
Tue, 1 Dec - Thu, 21 Jan
LHR
London
CNX
Chiang Mai
S$1,757 Return, found 1 day ago
S$1,757
Return
found 1 day ago
Select Malaysia Airlines flight, departing Tue, 1 Dec from London to Chiang Mai, returning Thu, 21 Jan, priced at S$1,757 found 1 day ago
Turkish Airlines
Wed, 10 Jun - Mon, 15 Jun
LHR
London
CNX
Chiang Mai
S$1,829 Return, found 18 hours ago
S$1,829
Return
found 18 hours ago
Select Turkish Airlines flight, departing Wed, 10 Jun from London to Chiang Mai, returning Mon, 15 Jun, priced at S$1,829 found 18 hours ago

Frequently asked questions

How much is a flight from Heathrow Airport to CNX?
Round-trip journeys between Heathrow Airport and Chiang Mai Airport start from S$878. 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.
Do I need to pay a cancellation fee if I cancel my flight from LHR to Chiang Mai Intl. Airport (CNX)?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from Heathrow Airport to Chiang Mai Airport that have flexible change policies?
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.
How far is the flight from Heathrow Airport (LHR) to Chiang Mai Intl. Airport (CNX)?
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.
Which airlines fly direct from London Heathrow to Chiang Mai Airport?
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!
Are LHR to CNX flight tickets cheaper when they're purchased at the last minute?
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.

Travel information

Origin airport
Heathrow
Destination airport
Chiang Mai Intl.
Airlines serving
Air China, Austrian Airlines, Cathay Pacific, China Eastern Airlines, Etihad Airways, Finnair, Gulf Air, KLM, Malaysia Airlines, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines
Return price
S$878
Distance
8962 km

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Perfect flights from London to Chiang Mai

Your Journey from London to Chiang Mai

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from London to Chiang Mai

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