£265 Cheap Flights from London (LON) to Chiang Mai (CNX)

View £265 flight on Mon, 21 Sept 2026Opens in a new window

Popular airlines from London to Chiang Mai (CNX-Chiang Mai Intl.)

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

Prices were available within the past 7 days and start at £265 for one-way flights and £416 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air China
Wed, 16 Sept - Mon, 16 Nov
LHR
London
CNX
Chiang Mai
£416 Return, found 11 hours ago
£416
Return
found 11 hours ago
Select Air China flight, departing Wed, 16 Sept from London to Chiang Mai, returning Mon, 16 Nov, priced at £416 found 11 hours ago
China Eastern Airlines
Mon, 16 Nov - Wed, 16 Dec
LGW
London
CNX
Chiang Mai
£468 Return, found 1 hour ago
£468
Return
found 1 hour ago
Select China Eastern Airlines flight, departing Mon, 16 Nov from London to Chiang Mai, returning Wed, 16 Dec, priced at £468 found 1 hour ago
Etihad Airways
Mon, 1 Feb - Mon, 15 Feb
LHR
London
CNX
Chiang Mai
£637 Return, found 8 hours ago
£637
Return
found 8 hours ago
Select Etihad Airways flight, departing Mon, 1 Feb from London to Chiang Mai, returning Mon, 15 Feb, priced at £637 found 8 hours ago
KLM
Wed, 23 Sept - Wed, 7 Oct
LHR
London
CNX
Chiang Mai
£727 Return, found 1 day ago
£727
Return
found 1 day ago
Select KLM flight, departing Wed, 23 Sept from London to Chiang Mai, returning Wed, 7 Oct, priced at £727 found 1 day ago
Gulf Air
Wed, 13 May - Tue, 26 May
LGW
London
CNX
Chiang Mai
£745 Return, found 3 hours ago
£745
Return
found 3 hours ago
Select Gulf Air flight, departing Wed, 13 May from London to Chiang Mai, returning Tue, 26 May, priced at £745 found 3 hours ago
Emirates
Tue, 21 Apr - Tue, 28 Apr
STN
London
CNX
Chiang Mai
£768 Return, just found
£768
Return
just found
Select Emirates flight, departing Tue, 21 Apr from London to Chiang Mai, returning Tue, 28 Apr, priced at £768 just found
Lufthansa
Mon, 14 Sept - Tue, 27 Oct
LHR
London
CNX
Chiang Mai
£793 Return, found 2 days ago
£793
Return
found 2 days ago
Select Lufthansa flight, departing Mon, 14 Sept from London to Chiang Mai, returning Tue, 27 Oct, priced at £793 found 2 days ago
China Airlines
Mon, 19 Oct - Mon, 9 Nov
LHR
London
CNX
Chiang Mai
£807 Return, found 1 day ago
£807
Return
found 1 day ago
Select China Airlines flight, departing Mon, 19 Oct from London to Chiang Mai, returning Mon, 9 Nov, priced at £807 found 1 day ago
Malaysia Airlines
Mon, 30 Nov - Mon, 21 Dec
LHR
London
CNX
Chiang Mai
£808 Return, found 1 day ago
£808
Return
found 1 day ago
Select Malaysia Airlines flight, departing Mon, 30 Nov from London to Chiang Mai, returning Mon, 21 Dec, priced at £808 found 1 day ago
Swiss International Air Lines
Mon, 25 Jan - Tue, 16 Feb
LCY
London
CNX
Chiang Mai
£811 Return, found 3 days ago
£811
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Mon, 25 Jan from London to Chiang Mai, returning Tue, 16 Feb, priced at £811 found 3 days ago

Alternative airports near Chiang Mai

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Chiang Mai Intl. CNX. Cheapest and Closest option available. Average driving time to city centre is 10 minutes. Flights from £768
CNX
Chiang Mai Intl.
CheapestClosest
Average driving time to city centre10 min
Flights from £768

Frequently asked questions

How much is a flight from London (LON-All Airports) to Chiang Mai Intl. Airport (CNX)?
The lowest price advertised for a round-trip flight from London (LON-All Airports) to Chiang Mai Intl. Airport (CNX) is £416. But you better act soon. This figure is taken from fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from London (LON-All Airports) to Chiang Mai Intl. Airport (CNX)?
We understand that your situation can change unexpectedly, so we've made it as easy as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from London (LON-All Airports) to Chiang Mai Intl. Airport (CNX) 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 London (LON-All Airports) to Chiang Mai Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from London (LON-All Airports) to Chiang Mai Intl. Airport (CNX)?
With around 9,000 kilometres separating England and Chiang Mai, your flight will be a long one. Pack wisely to make your journey comfortable. Little things like a sleep mask and a good travel pillow can make a big difference.
Which airlines fly direct from London (LON-All Airports) to CNX?
At the moment, no airlines offer direct flights from London (LON-All Airports) to CNX. You'll need to book a flight with one or more stops. To get the best connections and price, lock in your airfare well in advance.
Are London (LON-All Airports) to Chiang Mai Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally find a bargain, with some super cheap fares from London (LON-All Airports) to Chiang Mai Intl. Airport (CNX) appearing a few weeks before the date of departure. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals continuously — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines release prices that far in advance.

Travel information

Origin airport
Heathrow
Destination airport
Chiang Mai Intl.
Airlines serving
Air China, Austrian Airlines, British Airways, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, EVA Airways, Emirates, Etihad Airways, Finnair, KLM, Korean Air, Lufthansa, Malaysia Airlines, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines
Return price
£415
Distance
8962 km

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