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

Malaysia Airlines can get you from Chiang Mai to London Heathrow Airport in just under 31h 35m. Your travel time can differ by up to . The distance from Chiang Mai to London Heathrow Airport is about 5598 mi.

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

Currently, January is the cheapest month in which you can book a flight from Chiang Mai to London Heathrow Airport (average of £112). Flying from Chiang Mai to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

What is the cheapest day to fly from Chiang Mai to London Heathrow Airport?

Travellers seeking maximum savings on their Chiang Mai to London Heathrow Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest day to fly round-trip from Chiang Mai to London Heathrow Airport?

Saturday flights are found to be more expensive to fly from Chiang Mai to London Heathrow Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London Heathrow Airport.

What is the cheapest month to fly from Chiang Mai to London Heathrow Airport?

The best pricing can be found in the month of February. Prices to London Heathrow Airport from Chiang Mai average £698. You can even find prices in February for less than £698, as users have found deals to London Heathrow Airport from as low as £432. The month of April appears to be one of the more expensive times to travel to London Heathrow Airport from Chiang Mai. Flying in the targeted month can save you up to 30%.

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

When flying from Chiang Mai to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 5% versus a flight in the morning.

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

If you book a flight to London Heathrow from Chiang Mai, you will be flying from Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 1.9 mi from the center of Chiang Mai. There are 0 flights from Chiang Mai to London Heathrow per day from 0 different airlines.

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

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

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

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

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

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

£208+ Cheap Flights from Chiang Mai to London Heathrow Airport

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

Guangzhou (CAN) is the most affordable one-stop option, with an average return flight price of £481.

Cheap flight deals from Chiang Mai to Heathrow

Round-trip from	£487
One-way from	£208
Popular in	June
Cheapest in	October
Average price	£890

Etihad Airways
6/11-22/11
2 total stops
60h 25m total
Chiang Mai to London

Search Deals

China Southern
16/11
1 total stop
30h 45m total
Chiang Mai to London

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£95 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Chiang Mai to Heathrow

Cheapest flights from Chiang Mai to Heathrow
Explore the most affordable flight options available from Chiang Mai to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Thu 6/1108:50CNX - LHR

1 stop34h 15mEtihad Airways

Sat 22/1120:55LHR - CNX

1 stop26h 10mEtihad Airways

Deal found 14/9£487

Thu 6/1118:50CNX - LHR

2 stops30h 05mChina Southern

Sat 22/1122:00LHR - CNX

1 stop36h 50mChina Southern

Deal found 14/9£515

Thu 6/1108:50CNX - LHR

1 stop16h 20mMultiple Airlines

Sat 22/1122:15LHR - CNX

3 stops33h 20mMultiple Airlines

Deal found 14/9£547

Thu 9/1014:40CNX - LHR

1 stop31h 55mMultiple Airlines

Thu 30/1017:40LHR - CNX

1 stop21h 10mMultiple Airlines

Deal found 15/9£560

Sun 12/1023:05CNX - LHR

1 stop27h 25mAir China

Sat 25/1022:40LHR - CNX

1 stop17h 10mAir China

Deal found 14/9£561

Thu 9/1014:40CNX - LHR

1 stop31h 55mMultiple Airlines

Sat 25/1020:25LHR - CNX

1 stop19h 25mMultiple Airlines

Deal found 14/9£570

Wed 17/1223:05CNX - LHR

1 stop23h 50mAir China

Thu 1/120:25LHR - CNX

1 stop18h 25mAir China

Deal found 14/9£576

Sat 11/1014:40CNX - LHR

1 stop31h 55mMultiple Airlines

Sat 25/1022:40LHR - CNX

1 stop17h 10mMultiple Airlines

Deal found 14/9£587

Fri 10/1014:55CNX - LHR

1 stop33h 45mChina Eastern

Sat 25/1021:20LHR - CNX

1 stop35h 00mChina Eastern

Deal found 14/9£589

Thu 9/1010:05CNX - LHR

2 stops38h 35mChina Eastern

Sat 25/1021:20LHR - CNX

1 stop35h 00mChina Eastern

Deal found 14/9£590

Sat 11/1014:40CNX - LHR

1 stop31h 55mMultiple Airlines

Mon 27/1020:25LHR - CNX

1 stop18h 25mMultiple Airlines

Deal found 14/9£592

Mon 22/1207:05CNX - LHR

2 stops42h 30mMultiple Airlines

Sun 4/117:40LHR - CNX

1 stop21h 10mMultiple Airlines

Deal found 14/9£593

Best flights from Chiang Mai to Heathrow
Discover carefully curated flight deals from Chiang Mai to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2025.

Tue 3/314:50CNX - LHR

1 stop31h 35mMalaysia Airlines

Fri 13/310:25LHR - CNX

1 stop20h 25mMalaysia Airlines

Deal found 15/9£570

Tue 7/1017:20CNX - LHR

2 stops32h 40mMultiple Airlines

Mon 27/1020:25LHR - CNX

1 stop18h 25mMultiple Airlines

Deal found 14/9£598

Sat 20/1223:05CNX - LHR

1 stop25h 45mAir China

Sat 3/120:25LHR - CNX

1 stop18h 25mAir China

Deal found 15/9£636

Tue 3/312:10CNX - LHR

2 stops33h 35mGulf Air

Fri 13/321:50LHR - CNX

2 stops32h 55mGulf Air

Deal found 16/9£754

Mon 29/910:10CNX - LHR

2 stops26h 55mEmirates

Tue 14/1016:50LHR - CNX

2 stops20h 20mEmirates

Deal found 14/9£765

Thu 5/314:50CNX - LHR

1 stop31h 35mMalaysia Airlines

Sat 7/310:25LHR - CNX

1 stop18h 00mMalaysia Airlines

Deal found 15/9£579

Sun 12/1017:20CNX - LHR

2 stops32h 40mMultiple Airlines

Mon 27/1020:25LHR - CNX

1 stop18h 25mMultiple Airlines

Deal found 14/9£617

Wed 1/1020:00CNX - LHR

2 stops26h 10mEmirates

Tue 14/1016:50LHR - CNX

2 stops20h 20mEmirates

Deal found 14/9£765

Sat 20/1223:05CNX - LHR

1 stop23h 50mMultiple Airlines

Sat 3/121:00LHR - CNX

2 stops35h 25mMultiple Airlines

Deal found 15/9£741

Sat 4/1020:00CNX - LHR

2 stops28h 40mEmirates

Tue 14/1016:50LHR - CNX

2 stops20h 20mEmirates

Deal found 14/9£765

Last-minute flights from Chiang Mai to Heathrow
Discover last-minute flight deals from Chiang Mai to Heathrow. Data last updated 16 September 2025 and is based on user searches.

Tue 7/1017:20CNX - LHR

2 stops32h 40mMultiple Airlines

Sat 25/1022:40LHR - CNX

1 stop17h 10mMultiple Airlines

Deal found 14/9£598

Thu 9/1014:40CNX - LHR

1 stop31h 55mMultiple Airlines

Thu 30/1017:40LHR - CNX

1 stop21h 10mMultiple Airlines

Deal found 15/9£560

Thu 9/1014:40CNX - LHR

1 stop31h 55mMultiple Airlines

Sat 25/1020:25LHR - CNX

1 stop19h 25mMultiple Airlines

Deal found 14/9£570

Thu 9/1010:05CNX - LHR

2 stops38h 35mChina Eastern

Sat 25/1021:20LHR - CNX

1 stop35h 00mChina Eastern

Deal found 14/9£590

Thu 9/1017:20CNX - LHR

2 stops32h 40mMultiple Airlines

Wed 29/1017:40LHR - CNX

1 stop21h 10mMultiple Airlines

Deal found 15/9£596

Fri 10/1014:55CNX - LHR

1 stop33h 45mChina Eastern

Sat 25/1021:20LHR - CNX

1 stop35h 00mChina Eastern

Deal found 14/9£589

Fri 10/1023:05CNX - LHR

1 stop27h 25mAir China

Wed 29/1020:25LHR - CNX

1 stop18h 25mAir China

Deal found 15/9£599

Fri 10/1023:05CNX - LHR

1 stop27h 25mAir China

Sat 25/1020:25LHR - CNX

1 stop19h 25mAir China

Deal found 14/9£602

Sat 11/1014:40CNX - LHR

1 stop31h 55mMultiple Airlines

Sat 25/1022:40LHR - CNX

1 stop17h 10mMultiple Airlines

Deal found 14/9£587

Sat 11/1014:40CNX - LHR

1 stop31h 55mMultiple Airlines

Mon 27/1020:25LHR - CNX

1 stop18h 25mMultiple Airlines

Deal found 14/9£592

Sun 12/1023:05CNX - LHR

1 stop24h 40mAir China

Sun 26/1020:25LHR - CNX

1 stop18h 25mAir China

Deal found 14/9£561

One-way flights from Chiang Mai to Heathrow
Search for one-way flight options from Chiang Mai to Heathrow. Find affordable one-way fares based on user searches. Data last updated 16 September 2025.

Sun 16/1118:50CNX - LHR

1 stop30h 45mChina Southern

Deal found 14/9£208

Tue 21/1023:05CNX - LHR

1 stop24h 40mAir China

Deal found 14/9£236

Sat 15/1123:05CNX - LHR

1 stop25h 45mAir China

Deal found 14/9£239

Sun 12/1023:05CNX - LHR

1 stop27h 25mAir China

Deal found 15/9£241

Sun 28/1223:05CNX - LHR

1 stop23h 50mAir China

Deal found 15/9£242

Tue 30/917:20CNX - LHR

2 stops32h 40mMultiple Airlines

Deal found 14/9£250

Thu 9/1017:20CNX - LHR

2 stops32h 40mMultiple Airlines

Deal found 15/9£251

Tue 21/1017:45CNX - LHR

2 stops30h 55mMultiple Airlines

Deal found 14/9£252

Wed 4/212:25CNX - LHR

1 stop24h 10mMalaysia Airlines

Deal found 14/9£253

Sun 19/1017:20CNX - LHR

2 stops32h 40mMultiple Airlines

Deal found 14/9£254

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 3/3

14:50-15:25

1 stop31h 35m

London Heathrow

Fri 13/3

10:25-13:50

1 stop20h 25m

£570

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 5/3

14:50-15:25

1 stop31h 35m

London Heathrow

Sat 7/3

10:25-11:25

1 stop18h 00m

£579

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 7/10

17:20-20:00

2 stops32h 40m

London Heathrow

Mon 27/10

20:25-21:50

1 stop18h 25m

£598

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sun 12/10

17:20-20:00

2 stops32h 40m

London Heathrow

Mon 27/10

20:25-21:50

1 stop18h 25m

£617

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 20/12

23:05-17:50

1 stop25h 45m

London Heathrow

Sat 3/1

20:25-21:50

1 stop18h 25m

£636

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 20/12

23:05-15:55

1 stop23h 50m

London Heathrow

Sat 3/1

21:00-15:25

2 stops35h 25m

£741

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 3/3

12:10-14:45

2 stops33h 35m

London Heathrow

Fri 13/3

21:50-13:45

2 stops32h 55m

£754

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Mon 29/9

10:10-07:05

2 stops26h 55m

London Heathrow

Tue 14/10

16:50-19:10

2 stops20h 20m

£765

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 1/10

20:00-16:10

2 stops26h 10m

London Heathrow

Tue 14/10

16:50-19:10

2 stops20h 20m

£765

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 4/10

20:00-18:40

2 stops28h 40m

London Heathrow

Tue 14/10

16:50-19:10

2 stops20h 20m

£765

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 19 results

Best time to book a flight from Chiang Mai to Heathrow

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

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 Chiang Mai to London Heathrow Airport

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

Bangkok (BKK) – chosen by Cheapflights users on 53% of one-stop itineraries from Chiang Mai to London Heathrow Airport on Cheapflights.

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

Flights via Abu Dhabi (AUH) have the shortest average one-way travel time for one-stop routes: 16h 35m.

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

Flights via Abu Dhabi (AUH) have the shortest average one-way travel time for one-stop routes: 16h 35m.

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

Flights via Abu Dhabi (AUH) offer the fastest connection on this route, with an average stopover time of 1h 23m.

Related info for your journey

What airport do you fly from for flights from Chiang Mai to London Heathrow?
If you book a flight to London Heathrow from Chiang Mai, you will be flying from Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 1.9 mi from the center of Chiang Mai. There are 0 flights from Chiang Mai to London Heathrow per day from 0 different airlines.
How long is the flight from Chiang Mai to London Heathrow Airport?
Malaysia Airlines can get you from Chiang Mai to London Heathrow Airport in just under 31h 35m. Your travel time can differ by up to . The distance from Chiang Mai to London Heathrow Airport is about 5598 mi.
Can I find deals for flights from Chiang Mai to Heathrow that include hotel bookings?
Yes. In addition to deals on Chiang Mai to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Chiang Mai to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chiang Mai to Heathrow.
Can I find deals for business class flights from Chiang Mai to Heathrow?
Yes. Cheapflights offers flight deals from Chiang Mai to Heathrow 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 Chiang Mai to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Chiang Mai to London Heathrow Airport (average of £112). Flying from Chiang Mai to London Heathrow Airport in August is currently the most expensive (average of £164). 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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Cheapflights makes it easy to find Chiang Mai to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Chiang Mai to Heathrow.

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

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

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

Yes, Cheapflights offers price alerts on Chiang Mai to Heathrow 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 Chiang Mai to London Heathrow Airport from £208

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Chiang Mai to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Chiang Mai to Heathrow

Cheapest flights from Chiang Mai to HeathrowExplore the most affordable flight options available from Chiang Mai to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Explore the most affordable flight options available from Chiang Mai to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Chiang Mai to Heathrow

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

Cheapflights Insights

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

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

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

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

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

Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chiang Mai to Heathrow

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

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

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

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

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

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Cheapest flights from Chiang Mai to Heathrow
Explore the most affordable flight options available from Chiang Mai to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.