Cheap Flights from London Heathrow to Chiang Mai

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Flight deals from London Heathrow to Chiang Mai

Looking for a cheap last-minute deal or the best return flight from London Heathrow Airport to Chiang Mai Airport? If you want to travel next month, return fares start from R 15,658. Find the lowest prices on one-way and return tickets right here.

Chiang Mai.R 6,179 per passenger.Departing Sat, 29 Aug.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Heathrow on Sat, 29 Aug, arriving in Chiang Mai.Price includes taxes and charges.From R 6,179, select.

Chiang Mai.R 6,241 per passenger.Departing Mon, 7 Sep.One-way flight with Air China.Outbound indirect flight with Air China, departs from London Heathrow on Mon, 7 Sep, arriving in Chiang Mai.Price includes taxes and charges.From R 6,241, select.

Chiang Mai.R 6,573 per passenger.Departing Wed, 31 Mar.One-way flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Wed, 31 Mar, arriving in Chiang Mai.Price includes taxes and charges.From R 6,573, select.

Chiang Mai.R 6,699 per passenger.Departing Wed, 25 Nov.One-way flight with China Eastern.Outbound indirect flight with China Eastern, departs from London Heathrow on Wed, 25 Nov, arriving in Chiang Mai.Price includes taxes and charges.From R 6,699, select.

Chiang Mai.R 6,975 per passenger.Departing Mon, 12 Apr.One-way flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Mon, 12 Apr, arriving in Chiang Mai.Price includes taxes and charges.From R 6,975, select.

Chiang Mai.R 7,239 per passenger.Departing Tue, 23 Feb.One-way flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from London Heathrow on Tue, 23 Feb, arriving in Chiang Mai.Price includes taxes and charges.From R 7,239, select.

Chiang Mai.R 7,329 per passenger.Departing Mon, 19 Oct.One-way flight with KLM.Outbound indirect flight with KLM, departs from London Heathrow on Mon, 19 Oct, arriving in Chiang Mai.Price includes taxes and charges.From R 7,329, select.

Chiang Mai.R 7,706 per passenger.Departing Wed, 6 Jan.One-way flight with Air China.Outbound indirect flight with Air China, departs from London Heathrow on Wed, 6 Jan, arriving in Chiang Mai.Price includes taxes and charges.From R 7,706, select.

Chiang Mai.R 8,003 per passenger.Departing Tue, 1 Dec.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from London Heathrow on Tue, 1 Dec, arriving in Chiang Mai.Price includes taxes and charges.From R 8,003, select.

Chiang Mai.R 9,308 per passenger.Departing Mon, 13 Jul.One-way flight with IndiGo.Outbound indirect flight with IndiGo, departs from London Heathrow on Mon, 13 Jul, arriving in Chiang Mai.Price includes taxes and charges.From R 9,308, select.

Chiang Mai.R 9,342 per passenger.Departing Sat, 8 May.One-way flight with Aer Lingus.Outbound indirect flight with Aer Lingus, departs from London Heathrow on Sat, 8 May, arriving in Chiang Mai.Price includes taxes and charges.From R 9,342, select.

Chiang Mai.R 11,451 per passenger.Departing Tue, 1 Jun.One-way flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from London Heathrow on Tue, 1 Jun, arriving in Chiang Mai.Price includes taxes and charges.From R 11,451, select.

Chiang Mai.R 13,439 per passenger.Departing Fri, 2 Jul.One-way flight with Etihad Airways.Outbound indirect flight with Etihad Airways, departs from London Heathrow on Fri, 2 Jul, arriving in Chiang Mai.Price includes taxes and charges.From R 13,439, select.

Find the cheapest month to fly from London Heathrow to Chiang Mai

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Chiang Mai flights are currently cheapest in August.

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London Heathrow to Chiang Mai: Alternative routes

Compare routes from London Heathrow to Chiang Mai below. You may find an airport to fly into that's cheaper, faster, or easier than Chiang Mai.

Chiang Mai

4km from central Chiang Mai

ClosestCheapest

from R 6,179

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Lampang

79km from central Chiang Mai

from R 7,916

Search flights

London to Chiang Mai: Flight information

The things to know before you go.

Cheapest flight found	R 6,179
Cheapest month to fly	August

Finding cheap flights from London Heathrow to Chiang Mai: Frequently asked questions

How much are return flights from London Heathrow to Chiang Mai?

The best price we found for a return flight from London Heathrow to Chiang Mai is R 9,854. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from London Heathrow to Chiang Mai?

Currently, there are no airlines that fly direct from London Heathrow to Chiang Mai. But we found flights with one or more stops from R 9,854.

How many flights are there a week from London Heathrow to Chiang Mai?

As of July 2026, there are no flights flying from London Heathrow to Chiang Mai.

When is the cheapest time to fly from London Heathrow to Chiang Mai?

The cheapest month to fly from London Heathrow to Chiang Mai is usually September.

Which upcoming date is cheapest to fly from London Heathrow Airport to Chiang Mai Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Chiang Mai Airport on Wednesday, 23 September 2026.

Can I get a direct flight from London Heathrow Airport to Chiang Mai Airport?

No airlines currently offer direct flights between London Heathrow Airport and Chiang Mai Airport. Most routes have one or more stops.

How can I find the best flight deal to Chiang Mai?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chiang Mai but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Chiang Mai?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chiang Mai is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from London Heathrow Airport to Chiang Mai with?

Currently, Air China offers the cheapest flight tickets to Chiang Mai.

Travelling from London Heathrow Airport (LHR) to Chiang Mai Airport (CNX): what you need to know

Chiang Mai's timezone is UTC+7, which makes Chiang Mai seven hours ahead of London.
To ensure you catch your LHR to CNX flight, allow plenty of time for things like baggage drop and finding your gate. Arriving two hours ahead of international departures and one hour before domestic flights is the general rule.
You'll likely experience longer lines in popular months like July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a wise move.
We make it a piece of cake to book a flight with a stopover. To see your options for tickets from London Heathrow Airport to Chiang Mai Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to visit the city of your choice. Stopovers between LHR and CNX include:
- Shanghai Pudong Airport
- Bangkok Suvarnabhumi Airport
- Hong Kong Intl Airport

How to find the cheapest flights from London Heathrow Airport (LHR) to Chiang Mai Airport (CNX)

The lowest price we've seen for a one-way London Heathrow Airport to Chiang Mai Airport flight is R 6,179. A round-trip fare right now is R 9,854. Depending on the availability and when you book, these fares may change.
It's usually smart to book early if you're looking for cheap tickets from LHR to CNX. That's because airlines change prices based on demand, which tends to rise closer to the date of departure.
Getting cheap flights from London Heathrow Airport to Chiang Mai Airport is easy if you can be flexible with your travel dates. Use the 'Whole month' function to see the lowest prices throughout the month and snap up a great deal.
You won't have to check every day to find out if fares have gone down when you set up a Price Alert. We'll send you an update the moment there's a better deal on cheap flights from LHR to CNX.
Tailor your trip with filters. Pick your ideal arrival and departure times, airlines and total journey duration. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from London Heathrow Airport to Chiang Mai Airport.

Handy information about London Heathrow Airport (LHR)

78% of flights that leave from London Heathrow Airport arrive at their destination on schedule.
To reach London Heathrow Airport from central London, it'll take about 45 minutes if you're planning to drive. Of course, this depends on traffic conditions. It's approximately 24 kilometres from the airport to the city centre.
The trip when using public transport will take about 25 minutes.
Need a handy hotel near LHR? If you're boarding an early flight from London Heathrow Airport to Chiang Mai Airport, these stays will have you sleeping moments from your departure lounge:

Arriving at Chiang Mai Airport (CNX)

The last thing you want is a lengthy journey to your hotel if you're getting in late on a London Heathrow Airport to Chiang Mai Airport flight. Stay at one of these accommodation options near CNX instead:
Get your adventure underway by picking up a Chiang Mai Airport rental car. Grab a set of wheels from Chic Car Rent, asap car rental or Hertz and explore beyond Chiang Mai's usual tourist stops.
Booking your ride from Chiang Mai Airport around two weeks ahead boosts your odds of scoring a great price.

Getting from Chiang Mai Airport (CNX) to central Chiang Mai

Chiang Mai Airport is approximately 3 kilometres from the centre of Chiang Mai. Driving there takes about 15 minutes.
Travelling to the centre by public transport will take you around 25 minutes.

When to fly to Chiang Mai Airport (CNX)

The quietest month for a flight from London Heathrow Airport to Chiang Mai Airport is June, while January is the busiest. Choose the ideal time to go to Chiang Mai based on whether you prefer a more relaxed vibe or a faster pace.
When reserving your flight from London Heathrow Airport to Chiang Mai Airport, consider the kind of weather you like. April is the warmest month in Chiang Mai, with the temperature ranging from 22ºC (72ºF) to 42ºC (108ºF).
If you want cooler conditions, look for a cheap ticket from LHR to CNX in January. Average temperatures are between 12ºC (54ºF) and 31ºC (88ºF) then.

Explore more of Thailand

Udon Thani is just one of the many places in Thailand waiting to be discovered once you've taken in the sights of Chiang Mai. Around 434 kilometres away to the east, its best attractions include Thai-Chinese Cultural Centre, Wat Pho Chai and Wat Burapa Wanaram.
If you're interested in discovering another major destination in Thailand, head for Lampang, roughly 80 kilometres south-east of Chiang Mai. Wat Chiang Rai, Wat Phra Kaew Don Tao Suchadaram and Wat Chai Mongkhon are the start of reasons to visit.