￥74,520 Cheap Flights from Chiang Mai (CNX) to London (LHR)

View ￥74,520 flight on Mon, Oct 19, 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at ￥74,520 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much is a flight from Chiang Mai Airport to LHR?
Start packing your bags, because round-trip flights between Chiang Mai Airport and LHR start from . That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book now to secure the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Chiang Mai Intl. Airport (CNX) to London Heathrow?
The majority of flights can be canceled online, but whether or not you incur a fee depends on your airline. If you do have to cancel your break, follow the instructions in the Customer Service Portal.
How do I find cheap flights from CNX to Heathrow Airport (LHR) 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 Chiang Mai Airport to London Heathrow flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from CNX to Heathrow Airport (LHR)?
Averaging 16 hours and 54 minutes, the journey from Chiang Mai Airport to LHR is a long one. To make your journey more pleasant, bring a quality travel pillow and some noise-canceling headphones.
How far is the flight from Chiang Mai Intl. Airport (CNX) to London Heathrow?
You'll have 9,000 kilometers to cover on the long-haul Chiang Mai to Hounslow route. Wear layers of comfy clothes and consider taking a pair of noise-canceling earphones.
Which airlines fly direct from Chiang Mai Airport to London Heathrow?
You won't find any airlines flying directly between Chiang Mai Airport and LHR, so be prepared to make at least one stop on your journey. A layover can be a good way to break up a trip!
Are CNX to LHR flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Chiang Mai Airport to London Heathrow at the last minute could save you some serious cash. However, it could end up costing a good deal more! If you'd rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back often as deals are updated on Expedia all the time.

Travel information

Origin airport
Chiang Mai Intl.
Destination airport
Heathrow
Distance
8962 km

Book with confidence

Chiang Mai to London Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Chiang Mai to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring London.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with CNX to LHR flights that won’t make your bank account wince. Ready to temporarily leave behind Chiang Mai for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to LHR with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Chiang Mai to London Flights
*Available to Expedia members.