฿9,540 Cheap Flights from Chiang Mai (CNX) to London (LHR)

View ฿9,540 flight on Tue, 14 Oct 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿9,540 for one-way flights and ฿23,510 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Thu, 20 Nov - Sat, 22 Nov
CNX
Chiang Mai
LHR
London
฿23,510 Return, found 3 hours ago
฿23,510
Return
found 3 hours ago
Select Etihad Airways flight, departing Thu, 20 Nov from Chiang Mai to London, returning Sat, 22 Nov, priced at ฿23,510 found 3 hours ago
China Southern Airlines
Mon, 20 Oct - Sun, 9 Nov
CNX
Chiang Mai
LHR
London
฿23,545 Return, found 5 days ago
฿23,545
Return
found 5 days ago
Select China Southern Airlines flight, departing Mon, 20 Oct from Chiang Mai to London, returning Sun, 9 Nov, priced at ฿23,545 found 5 days ago
Air China
Thu, 23 Oct - Tue, 28 Oct
CNX
Chiang Mai
LHR
London
฿24,550 Return, found 3 days ago
฿24,550
Return
found 3 days ago
Select Air China flight, departing Thu, 23 Oct from Chiang Mai to London, returning Tue, 28 Oct, priced at ฿24,550 found 3 days ago
Malaysia Airlines
Fri, 28 Nov - Sun, 30 Nov
CNX
Chiang Mai
LHR
London
฿25,235 Return, found 5 days ago
฿25,235
Return
found 5 days ago
Select Malaysia Airlines flight, departing Fri, 28 Nov from Chiang Mai to London, returning Sun, 30 Nov, priced at ฿25,235 found 5 days ago
China Eastern Airlines
Sat, 6 Sep - Fri, 12 Sep
CNX
Chiang Mai
LHR
London
฿26,485 Return, found 18 hours ago
฿26,485
Return
found 18 hours ago
Select China Eastern Airlines flight, departing Sat, 6 Sep from Chiang Mai to London, returning Fri, 12 Sep, priced at ฿26,485 found 18 hours ago
Cathay Pacific
Mon, 27 Oct - Mon, 17 Nov
CNX
Chiang Mai
LHR
London
฿31,465 Return, found 2 days ago
฿31,465
Return
found 2 days ago
Select Cathay Pacific flight, departing Mon, 27 Oct from Chiang Mai to London, returning Mon, 17 Nov, priced at ฿31,465 found 2 days ago
China Airlines
Thu, 11 Dec - Tue, 16 Dec
CNX
Chiang Mai
LHR
London
฿35,785 Return, found 1 day ago
฿35,785
Return
found 1 day ago
Select China Airlines flight, departing Thu, 11 Dec from Chiang Mai to London, returning Tue, 16 Dec, priced at ฿35,785 found 1 day ago
Austrian Airlines
Fri, 5 Jun - Sat, 13 Jun
CNX
Chiang Mai
LHR
London
฿36,260 Return, found 4 hours ago
฿36,260
Return
found 4 hours ago
Select Austrian Airlines flight, departing Fri, 5 Jun from Chiang Mai to London, returning Sat, 13 Jun, priced at ฿36,260 found 4 hours ago
Asiana Airlines
Thu, 4 Sep - Tue, 9 Sep
CNX
Chiang Mai
LHR
London
฿36,800 Return, found 3 days ago
฿36,800
Return
found 3 days ago
Select Asiana Airlines flight, departing Thu, 4 Sep from Chiang Mai to London, returning Tue, 9 Sep, priced at ฿36,800 found 3 days ago
Gulf Air
Mon, 22 Sep - Mon, 6 Oct
CNX
Chiang Mai
LHR
London
฿37,130 Return, found 11 hours ago
฿37,130
Return
found 11 hours ago
Select Gulf Air flight, departing Mon, 22 Sep from Chiang Mai to London, returning Mon, 6 Oct, priced at ฿37,130 found 11 hours ago
Flight from Chiang Mai to London route information
Origin airport
Chiang Mai Intl.
Destination airport
Heathrow
Airlines serving
Air China, Asiana Airlines, Austrian Airlines, Cathay Pacific, China Airlines, China Southern Airlines, EVA Airways, Etihad Airways, Finnair, Gulf Air, KLM, Korean Air, Lufthansa, Malaysia Airlines, Oman Air, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines
Return price
฿23,510
Distance
8962 km

Perfect flights from Chiang Mai to London

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Chiang Mai to London. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Chiang Mai Intl. to Heathrow ticket options cater to your travel preferences, with incredible one-way fares from ฿9,540 and roundtrip prices from ฿23,510. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Heathrow and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in London.

Frequently asked questions

How much is a flight from CNX to LHR?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight from CNX to Heathrow Airport (LHR) was ฿23,510. Cheap fares don't stick around for long, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from CNX to London Heathrow?
Most flights can be cancelled online, but every airline has its own set of terms and conditions. If you do need to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Chiang Mai Airport to Heathrow 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 CNX to Heathrow Airport (LHR) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from CNX to LHR?
The distance is around 9,000 kilometres. Travel pillow? Check. A change of clothes? Double check. We suggest you pack all the essentials for this long-haul Chiang Mai to Hounslow flight.
Which airlines fly direct from Chiang Mai Intl. Airport (CNX) to London Heathrow?
Direct flights aren't available, so you'll have to make at least one stop between Chiang Mai Intl. Airport (CNX) and Heathrow Airport. Take advantage of the layover time to stretch your legs and grab a bite to eat.
Are Chiang Mai Intl. Airport (CNX) to Heathrow Airport (LHR) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes nab a bargain, with some super cheap fares from Chiang Mai Intl. Airport (CNX) to Heathrow Airport popping up a few weeks before the departure date. If you'd rather book ahead, Expedia compares and updates the best flight deals continuously — as early as 12 months in advance in some cases. It depends on the carrier though, as not every airline advertises prices so far in advance.

Explore a world of travel with Expedia

London Airports

London

Chiang Mai to Gatwick
฿27,260.00
Chiang Mai to Stansted
฿36,825.00
Chiang Mai Airports

Lampang

*Available to Expedia members.