What’s the fastest stopover option from London Heathrow Airport to Chiang Mai?

Flights via Bangkok (BKK) have the shortest average one-way travel time for one-stop routes: 14h 53m.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Chiang Mai?

Shanghai (PVG) is the most affordable one-stop option, with an average return flight price of £453.

What’s the top stopover airport for flights from London Heathrow Airport to Chiang Mai?

Bangkok (BKK) – chosen by Cheapflights users on 34% of one-stop itineraries from London Heathrow Airport to Chiang Mai on Cheapflights.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Chiang Mai?

Flights via Abu Dhabi (AUH) offer the fastest connection on this route, with an average stopover time of 2h 06m.

How long is the flight from London Heathrow Airport to Chiang Mai?

Departing from London Heathrow Airport to Chiang Mai will take you 26h 15m. There are 5598 mi between London Heathrow Airport and Chiang Mai. This flight may include one or multiple stops.

What are the cheapest airlines flying from London Heathrow Airport to Chiang Mai round-trip?

Flying on China Eastern is currently your cheapest option to Chiang Mai, with prices starting at £380. Additional return tickets that might be worth considering are offered by Air China and Etihad Airways, with the lowest prices starting at £386 and £534, respectively. Users have found that China Eastern is 50% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from London Heathrow Airport to Chiang Mai one-way?

£280 is the cheapest one-way deal found within the past few days, from Air China. You may also be able to find cheap deals on China Eastern and Etihad Airways, with prices starting from £280 and £342, respectively.

In terms of precipitation, rainfall in Chiang Mai ranges from 0.0 - 250.0 inches per month. September is typically the wettest month, when rainfall can reach 250.0 mm. January is typically the driest time to visit Chiang Mai when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Chiang Mai, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.0 C).

What are the most popular airlines that fly from London Heathrow Airport to Chiang Mai?

Etihad Airways, Thai Airways and Air China are the most popular airlines when flying from London Heathrow Airport to Chiang Mai.

What is the cheapest time of day to fly from LHR to CNX?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Chiang Mai as you normally would.

What airport do you fly into for flights to Chiang Mai from London Heathrow?

For a flight from London Heathrow to Chiang Mai, you will be flying into Chiang Mai. Chiang Mai (CNX) is just 1.9 mi from the center of the city. Chiang Mai is the only Chiang Mai airport and it handles 0 inbound flights from London Heathrow per day. 6 airlines have flights to Chiang Mai from London Heathrow on a regular basis.

Can I find deals for flights from Heathrow to Chiang Mai that include hotel bookings?

Yes. In addition to deals on Heathrow to Chiang Mai flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Heathrow to Chiang Mai?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Chiang Mai.

Can I find deals for business class flights from Heathrow to Chiang Mai?

Yes. Cheapflights offers flight deals from Heathrow to Chiang Mai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£321+ Cheap Flights from London Heathrow Airport to Chiang Mai

Cheap flight deals from Heathrow to Chiang Mai

Enter your travel dates to find the best prices.

Cheapest

Best

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Cheapest flights from Heathrow to Chiang Mai
Explore the most affordable flight options available from Heathrow to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 November 2026.

Mon 16/1121:00 -

1 stop34h 20m

Tue 1/1215:35 -

1 stop32h 55m

Deal found 9/11£465

Tue 1/1221:00 -

1 stop34h 20m

Wed 26/514:55 -

1 stop33h 45m

Deal found 10/11£472

Mon 23/1121:00 -

2 stops28h 35m

Mon 7/1216:25 -

2 stops32h 05m

Deal found 8/11£473

Mon 23/1121:00 -

1 stop34h 20m

Mon 21/1215:35 -

1 stop32h 55m

Deal found 11/11£473

Mon 23/1121:00 -

1 stop34h 20m

Tue 1/1215:35 -

1 stop32h 55m

Deal found 9/11£474

Mon 16/1121:00 -

2 stops28h 35m

Mon 14/1209:35 -

3 stops27h 50m

Deal found 9/11£475

Find flight deals from Heathrow to Chiang Mai

Round-trip from	£472
One-way from	£321
Popular in	July
Cheapest in	November
Average price	£521

China Eastern
1/12-26/5
2 total stops
68h 05m total
London to Chiang Mai

Search Deals

17/1-31/12
2 total stops
33h 05m total
London to Chiang Mai

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£108 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£27 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChiang Mai

LHR London Heathrow - CNX Chiang Mai

LHRCNX

London Heathrow

Wed 25/11

21:00-14:20

1 stop34h 20m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£361

LondonChiang Mai

LHR London Heathrow - CNX Chiang Mai

LHRCNX

London Heathrow

Tue 19/1

12:30-14:20

1 stop18h 50m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£361

LondonChiang Mai

LHR London Heathrow - CNX Chiang Mai

LHRCNX

London Heathrow

Mon 23/11

21:00-12:00

2 stops32h 00m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£361

LondonChiang Mai

LHR London Heathrow - CNX Chiang Mai

LHRCNX

London Heathrow

Mon 25/1

22:00-17:40

2 stops36h 40m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£364

LondonChiang Mai

LHR London Heathrow - CNX Chiang Mai

LHRCNX

London Heathrow

Mon 8/2

06:50-20:10

3 stops30h 20m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£387

LondonChiang Mai

LHR London Heathrow - CNX Chiang Mai

LHRCNX

London Heathrow

Fri 1/1

21:00-19:00

3 stops39h 00m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£428

LondonChiang Mai

LHR London Heathrow - CNX Chiang Mai

LHRCNX

London Heathrow

Tue 2/2

21:40-16:25

2 stops35h 45m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£455

LondonChiang Mai

LHR London Heathrow - CNX Chiang Mai

LHRCNX

London Heathrow

Tue 2/2

09:00-20:10

3 stops28h 10m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£461

Fastest return journey

LondonChiang Mai

LHR London Heathrow - CNX Chiang Mai

LHRCNX

London Heathrow

Mon 8/2

20:25-21:50

1 stop18h 25m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£465

LondonChiang Mai

LHR London Heathrow - CNX Chiang Mai

LHRCNX

London Heathrow

Wed 30/12

08:40-17:55

1 stop26h 15m

Chiang Mai

Wed 13/1

20:55-14:30

1 stop24h 35m

£643

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 20 resultsSorted by cheapest first

Best time to book a flight from Heathrow to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Heathrow with our price prediction graph.

LHR-CNX

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Chiang Mai

Prices

The price you pay for your flight from London Heathrow Airport to Chiang Mai may vary depending on when you book. For the best chance of a lower fare, look to book 33 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London Heathrow Airport to Chiang Mai?

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Chiang Mai (average of £521). Flying from London Heathrow Airport to Chiang Mai in July is currently the most expensive (average of £1,150). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from London Heathrow Airport to Chiang Mai?

Airfare is below average for this route at the moment.

London Heathrow Airport to Chiang Mai flights typically cost between £487 and £650 in December.
The cheapest return price found within the last 5 days was £472 on China Eastern (1 Dec–26 May).

Reviews of airlines servicing Chiang Mai

Get a feel of what it's like to fly with Thai Airways,Austrian Airlines, andAir China from London Heathrow Airport to Chiang Mai by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Thai Airways

7.9

Good

433 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Thai Airways

7.9

Good

433 reviews

Thai Airways

7.9

Good

433 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Austrian Airlines

7.5

Good

982 reviews

Thai Airways

7.9

Good

433 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Air China

7.5

Good

168 reviews

Thai Airways

7.9

Good

433 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Etihad Airways

7.3

Good

1,555 reviews

Thai Airways

7.9

Good

433 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

China Eastern

7.3

Good

251 reviews

Thai Airways

7.9

Good

433 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Related info for your journey

What airport do you fly into for flights to Chiang Mai from London Heathrow?
For a flight from London Heathrow to Chiang Mai, you will be flying into Chiang Mai. Chiang Mai (CNX) is just 1.9 mi from the center of the city. Chiang Mai is the only Chiang Mai airport and it handles 0 inbound flights from London Heathrow per day. 6 airlines have flights to Chiang Mai from London Heathrow on a regular basis.
How long is the flight from London Heathrow Airport to Chiang Mai?
Departing from London Heathrow Airport to Chiang Mai will take you 26h 15m. There are 5598 mi between London Heathrow Airport and Chiang Mai. This flight may include one or multiple stops.
What are the cheapest airlines flying from London Heathrow Airport to Chiang Mai round-trip?
Flying on China Eastern is currently your cheapest option to Chiang Mai, with prices starting at £380. Additional return tickets that might be worth considering are offered by Air China and Etihad Airways, with the lowest prices starting at £386 and £534, respectively. Users have found that China Eastern is 50% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from London Heathrow Airport to Chiang Mai one-way?
£280 is the cheapest one-way deal found within the past few days, from Air China. You may also be able to find cheap deals on China Eastern and Etihad Airways, with prices starting from £280 and £342, respectively.
Can I find deals for flights from Heathrow to Chiang Mai that include hotel bookings?
Yes. In addition to deals on Heathrow to Chiang Mai flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Chiang Mai?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Chiang Mai.
Can I find deals for business class flights from Heathrow to Chiang Mai?
Yes. Cheapflights offers flight deals from Heathrow to Chiang Mai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to Chiang Mai?
Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Chiang Mai (average of £521). Flying from London Heathrow Airport to Chiang Mai in July is currently the most expensive (average of £1,150). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 6 airlines flying from Heathrow to Chiang Mai

Airline	Cheapest	Average	Flexibility	On-time
China Eastern	Cheapest£380	Average£477	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Air China	Cheapest£386	Average£491	FlexibilityNo cancel fee	On-time67%	Search Air China flights
Etihad Airways	Cheapest£534	Average£682	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Austrian Airlines	Cheapest£563	Average£661	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Cathay Pacific	Cheapest£692	Average£799	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
Thai Airways	Cheapest£833	Average£978	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Chiang Mai?

Cheapflights helps you search for flights from Heathrow to Chiang Mai via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Chiang Mai?

Cheapflights helps you find that perfect flight to Chiang Mai from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Heathrow to Chiang Mai with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Chiang Mai, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Heathrow to Chiang Mai become cheaper?

Yes, Cheapflights offers price alerts on Heathrow to Chiang Mai flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from London Heathrow Airport to Chiang Mai from £321

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Chiang Mai

Cheapest flights from Heathrow to Chiang MaiExplore the most affordable flight options available from Heathrow to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 November 2026.

Explore the most affordable flight options available from Heathrow to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 November 2026.

Best flights from Heathrow to Chiang MaiDiscover carefully curated flight deals from Heathrow to Chiang Mai that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 November 2026.

Discover carefully curated flight deals from Heathrow to Chiang Mai that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 November 2026.

Last-minute flights from Heathrow to Chiang MaiDiscover last-minute flight deals from Heathrow to Chiang Mai. Data last updated 12 November 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Chiang Mai. Data last updated 12 November 2026 and is based on user searches.

One-way flights from Heathrow to Chiang MaiSearch for one-way flight options from Heathrow to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated 12 November 2026.

Search for one-way flight options from Heathrow to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated 12 November 2026.

Find flight deals from Heathrow to Chiang Mai

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Chiang Mai that are best for you.

Best time to book a flight from Heathrow to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from Heathrow with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from London Heathrow Airport to Chiang Mai?

The price you pay for your flight from London Heathrow Airport to Chiang Mai may vary depending on when you book. For the best chance of a lower fare, look to book 33 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London Heathrow Airport to Chiang Mai?

How much does it cost for a return flight from London Heathrow Airport to Chiang Mai?

Airfare is below average for this route at the moment.

London Heathrow Airport to Chiang Mai flights typically cost between £487 and £650 in December.The cheapest return price found within the last 5 days was £472 on China Eastern (1 Dec–26 May).

What’s the top stopover airport for flights from London Heathrow Airport to Chiang Mai?

Bangkok (BKK) – chosen by Cheapflights users on 34% of one-stop itineraries from London Heathrow Airport to Chiang Mai on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Chiang Mai?

Shanghai (PVG) is the most affordable one-stop option, with an average return flight price of £453.

What’s the fastest stopover option from London Heathrow Airport to Chiang Mai?

Flights via Bangkok (BKK) have the shortest average one-way travel time for one-stop routes: 14h 53m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Chiang Mai?

Flights via Abu Dhabi (AUH) offer the fastest connection on this route, with an average stopover time of 2h 06m.

Reviews of airlines servicing Chiang Mai

Get a feel of what it's like to fly with Thai Airways,Austrian Airlines, andAir China from London Heathrow Airport to Chiang Mai by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Chiang Mai from London Heathrow?

How long is the flight from London Heathrow Airport to Chiang Mai?

What are the cheapest airlines flying from London Heathrow Airport to Chiang Mai round-trip?

What are the cheapest airlines to fly from London Heathrow Airport to Chiang Mai one-way?

Can I find deals for flights from Heathrow to Chiang Mai that include hotel bookings?

How can I find direct flights from Heathrow to Chiang Mai?

Can I find deals for business class flights from Heathrow to Chiang Mai?

What is the cheapest month to book a flight from London Heathrow Airport to Chiang Mai?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.

Other flights to Chiang Mai

Explore flights to Chiang Mai departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 November 2026.

Complete your trip

Complete your trip to Chiang Mai by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Thailand

Book a non-stop flight to one of these other cities located in Thailand.

Search flights from Heathrow to Chiang Mai by cabin class

Find flights from Heathrow to Chiang Mai, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Chiang Mai flights

Browse other Heathrow and Chiang Mai flight options. Last updated on 12 November 2026.

Other flights from Heathrow

Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 12 November 2026.

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Top 6 airlines flying from Heathrow to Chiang Mai

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How does Cheapflights help users find flights from Heathrow to Chiang Mai?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Chiang Mai?

Can Cheapflights find flights from Heathrow to Chiang Mai with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to Chiang Mai become cheaper?

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Cheapest flights from Heathrow to Chiang Mai
Explore the most affordable flight options available from Heathrow to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 November 2026.

Best flights from Heathrow to Chiang Mai
Discover carefully curated flight deals from Heathrow to Chiang Mai that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 November 2026.

Last-minute flights from Heathrow to Chiang Mai
Discover last-minute flight deals from Heathrow to Chiang Mai. Data last updated 12 November 2026 and is based on user searches.

One-way flights from Heathrow to Chiang Mai
Search for one-way flight options from Heathrow to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated 12 November 2026.

London Heathrow Airport to Chiang Mai flights typically cost between £487 and £650 in December.
The cheapest return price found within the last 5 days was £472 on China Eastern (1 Dec–26 May).