฿8,850 Cheap Flights from Chiang Mai (CNX) to London (LHR)

View ฿8,850 flight on Thu, 11 Dec 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 ฿8,850 for one-way flights and ฿24,490 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Sun, 21 Dec - Thu, 8 Jan
CNX
Chiang Mai
LHR
London
฿24,490 Return, found 5 days ago
฿24,490
Return
found 5 days ago
Select China Eastern Airlines flight, departing Sun, 21 Dec from Chiang Mai to London, returning Thu, 8 Jan, priced at ฿24,490 found 5 days ago
Air China
Thu, 21 May - Wed, 27 May
CNX
Chiang Mai
LHR
London
฿26,750 Return, found 1 day ago
฿26,750
Return
found 1 day ago
Select Air China flight, departing Thu, 21 May from Chiang Mai to London, returning Wed, 27 May, priced at ฿26,750 found 1 day ago
Etihad Airways
Sun, 8 Mar - Fri, 13 Mar
CNX
Chiang Mai
LHR
London
฿27,490 Return, found 5 days ago
฿27,490
Return
found 5 days ago
Select Etihad Airways flight, departing Sun, 8 Mar from Chiang Mai to London, returning Fri, 13 Mar, priced at ฿27,490 found 5 days ago
Malaysia Airlines
Sun, 14 Jun - Sat, 20 Jun
CNX
Chiang Mai
LHR
London
฿27,610 Return, found 5 days ago
฿27,610
Return
found 5 days ago
Select Malaysia Airlines flight, departing Sun, 14 Jun from Chiang Mai to London, returning Sat, 20 Jun, priced at ฿27,610 found 5 days ago
Cathay Pacific
Thu, 22 Jan - Wed, 28 Jan
CNX
Chiang Mai
LHR
London
฿28,975 Return, found 2 days ago
฿28,975
Return
found 2 days ago
Select Cathay Pacific flight, departing Thu, 22 Jan from Chiang Mai to London, returning Wed, 28 Jan, priced at ฿28,975 found 2 days ago
Austrian Airlines
Thu, 28 May - Fri, 5 Jun
CNX
Chiang Mai
LHR
London
฿30,545 Return, found 1 hour ago
฿30,545
Return
found 1 hour ago
Select Austrian Airlines flight, departing Thu, 28 May from Chiang Mai to London, returning Fri, 5 Jun, priced at ฿30,545 found 1 hour ago
China Southern Airlines
Sat, 21 Mar - Sun, 31 May
CNX
Chiang Mai
LHR
London
฿30,550 Return, found 6 days ago
฿30,550
Return
found 6 days ago
Select China Southern Airlines flight, departing Sat, 21 Mar from Chiang Mai to London, returning Sun, 31 May, priced at ฿30,550 found 6 days ago
Lufthansa
Sun, 24 May - Mon, 1 Jun
CNX
Chiang Mai
LHR
London
฿32,290 Return, found 3 days ago
฿32,290
Return
found 3 days ago
Select Lufthansa flight, departing Sun, 24 May from Chiang Mai to London, returning Mon, 1 Jun, priced at ฿32,290 found 3 days ago
Swiss International Air Lines
Mon, 9 Feb - Mon, 20 Apr
CNX
Chiang Mai
LHR
London
฿35,060 Return, found 3 hours ago
฿35,060
Return
found 3 hours ago
Select Swiss International Air Lines flight, departing Mon, 9 Feb from Chiang Mai to London, returning Mon, 20 Apr, priced at ฿35,060 found 3 hours ago
China Airlines
Fri, 8 May - Mon, 11 May
CNX
Chiang Mai
LHR
London
฿36,010 Return, found 1 day ago
฿36,010
Return
found 1 day ago
Select China Airlines flight, departing Fri, 8 May from Chiang Mai to London, returning Mon, 11 May, priced at ฿36,010 found 1 day ago

Alternative airports near London

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

Select flight to Gatwick LGW. Average driving time to city centre is 52 minutes. Flights from ฿59,970
LGW
Gatwick
Average driving time to city centre52 min
Flights from ฿59,970
Flight from Chiang Mai to London route information
Origin airport
Chiang Mai Intl.
Destination airport
Heathrow
Airlines serving
Air China, Austrian Airlines, Cathay Pacific, China Airlines, China Eastern 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
฿24,490
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 ฿8,850 and roundtrip prices from ฿24,490. 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 ฿24,490. 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
฿25,185.00
Chiang Mai to Stansted
฿35,355.00
*Available to Expedia members.