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

Etihad Airways can get you from Chiang Mai to London Heathrow Airport in just under 33h 55m. 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 airline to fly from Chiang Mai to London Heathrow Airport round-trip?

Currently priced at £569, Etihad Airways will fly you from Chiang Mai to London Heathrow Airport and back. In addition to Etihad Airways, many other airlines offer competitively priced options for your trip.

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

The cheapest airline one-way is Etihad Airways, with whom users have recently found tickets for as low as £112. However, be on the lookout for offers from Thai Airways and Air China, as they are both options that can get you from Chiang Mai to London Heathrow Airport for a low price.

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 time of day to fly from CNX to LHR?

When flying from Chiang Mai to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 1 airline.

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.

£134+ Cheap Flights from Chiang Mai to London Heathrow Airport

Cheap flight deals from Chiang Mai to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 30 October 2026.

Wed 25/1109:10 -

1 stop16h 00m

Sat 5/1212:30 -

1 stop18h 50m

Deal found 26/10£490

Mon 9/1109:10 -

1 stop28h 30m

Tue 17/1121:00 -

1 stop34h 20m

Deal found 26/10£494

Thu 5/1109:10 -

1 stop15h 50m

Tue 10/1121:00 -

2 stops28h 35m

Deal found 29/10£514

Thu 5/1109:10 -

1 stop15h 50m

Thu 12/1122:30 -

2 stops35h 15m

Deal found 29/10£516

Wed 4/1109:10 -

1 stop36h 20m

Thu 12/1119:20 -

1 stop28h 05m

Deal found 29/10£521

Thu 5/1109:10 -

1 stop15h 50m

Sat 14/1121:10 -

2 stops35h 05m

Deal found 29/10£524

Thu 5/1109:10 -

1 stop15h 50m

Wed 11/1121:05 -

2 stops33h 30m

Deal found 29/10£525

Tue 24/1109:10 -

1 stop16h 00m

Fri 4/1221:10 -

2 stops30h 45m

Deal found 26/10£528

Find flight deals from Chiang Mai to Heathrow

Round-trip from	£490
One-way from	£134

China Eastern
25/11-5/12
2 total stops
34h 50m total
Chiang Mai to London

Search Deals

Etihad Airways
19/11-31/12
1 total stop
16h 00m total
Chiang Mai to London

Search Deals

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

Cheapest return flight

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Tue 24/11

09:10-12:05

1 stop33h 55m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£139

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Tue 23/3

20:55-14:30

1 stop24h 35m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£214

Fastest return journey

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Thu 25/3

20:55-06:40

1 stop16h 45m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£220

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Mon 15/3

10:10-06:35

2 stops27h 25m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£265

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Thu 25/3

22:35-20:30

2 stops28h 55m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£274

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Tue 24/11

12:15-06:35

2 stops25h 20m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£328

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Fri 27/11

10:10-11:05

3 stops31h 55m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£339

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Mon 15/3

13:00-06:25

3 stops24h 25m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£416

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Sat 27/3

20:55-11:45

1 stop21h 50m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£417

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Sun 28/3

12:35-16:35

1 stop34h 00m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£447

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 21 resultsSorted by cheapest first

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.

CNX-LHR

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?

Abu Dhabi (AUH) – chosen by Cheapflights users on 71% of one-stop itineraries from Chiang Mai to London Heathrow Airport on Cheapflights.

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

Abu Dhabi (AUH) is the most affordable one-stop option, with an average return flight price of £1,059.

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 08m.

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

Flights via Bangkok (BKK) offer the fastest connection on this route, with an average stopover time of 1h 50m.

Reviews of airlines servicing Heathrow

See what other customers who have flown with Etihad Airways from Chiang Mai to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Etihad Airways

7.3

Good

1,549 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abraham,May 2026

TLV - AUH

Huge delay no explanation, made me miss the connection. Terrible experience

Etihad Airways

7.3

Good

1,549 reviews

Etihad Airways

7.3

Good

1,549 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abraham,May 2026

TLV - AUH

Huge delay no explanation, made me miss the connection. Terrible experience

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 1 airline.
How long is the flight from Chiang Mai to London Heathrow Airport?
Etihad Airways can get you from Chiang Mai to London Heathrow Airport in just under 33h 55m. 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 airline to fly from Chiang Mai to London Heathrow Airport round-trip?
Currently priced at £569, Etihad Airways will fly you from Chiang Mai to London Heathrow Airport and back. In addition to Etihad Airways, many other airlines offer competitively priced options for your trip.
What are the cheapest airlines to fly from Chiang Mai to London Heathrow Airport one-way?
The cheapest airline one-way is Etihad Airways, with whom users have recently found tickets for as low as £112. However, be on the lookout for offers from Thai Airways and Air China, as they are both options that can get you from Chiang Mai to London Heathrow Airport for a low price.
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.

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Top airline flying from Chiang Mai to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Etihad Airways	Cheapest£569	Average£702	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights

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

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 £134

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/11. 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

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 30 October 2026.

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 30 October 2026.

Best flights from Chiang Mai to HeathrowDiscover 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 30 October 2026.

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 30 October 2026.

Last-minute flights from Chiang Mai to HeathrowDiscover last-minute flight deals from Chiang Mai to Heathrow. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Chiang Mai to Heathrow. Data last updated 30 October 2026 and is based on user searches.

One-way flights from Chiang Mai to HeathrowSearch for one-way flight options from Chiang Mai to Heathrow. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Search for one-way flight options from Chiang Mai to Heathrow. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Find flight deals from Chiang Mai to Heathrow

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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

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

Abu Dhabi (AUH) – chosen by Cheapflights users on 71% of one-stop itineraries from Chiang Mai to London Heathrow Airport on Cheapflights.

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

Abu Dhabi (AUH) is the most affordable one-stop option, with an average return flight price of £1,059.

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 08m.

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

Flights via Bangkok (BKK) offer the fastest connection on this route, with an average stopover time of 1h 50m.

Reviews of airlines servicing Heathrow

See what other customers who have flown with Etihad Airways from Chiang Mai to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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?

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

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

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?

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

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Complete your trip

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

Direct flights to England

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Search flights from Chiang Mai to Heathrow by cabin class

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Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.

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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 30 October 2026.

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 30 October 2026.

Last-minute flights from Chiang Mai to Heathrow
Discover last-minute flight deals from Chiang Mai to Heathrow. Data last updated 30 October 2026 and is based on user searches.

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 30 October 2026.