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Cheap flights from Chiang Mai to London Heathrow Airport from £134

CNX — LHR
31 Oct — 7 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chiang Mai to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Chiang Mai to Heathrow

Mon 9/1109:10 -
1 stop28h 30m
Mon 16/1121:00 -
2 stops28h 35m
Deal found 26/9£460
Mon 9/1109:10 -
1 stop16h 00m
Mon 30/1121:00 -
1 stop34h 20m
Deal found 30/9£472
Tue 3/1109:10 -
1 stop36h 20m
Fri 13/1117:45 -
1 stop21h 05m
Deal found 28/9£506
Thu 5/1109:10 -
1 stop16h 00m
Tue 10/1108:40 -
1 stop14h 45m
Deal found 28/9£556
Wed 4/1109:10 -
1 stop16h 00m
Mon 16/1119:20 -
1 stop28h 05m
Deal found 28/9£556
Wed 11/1109:10 -
1 stop33h 55m
Sun 15/1113:55 -
1 stop33h 30m
Deal found 29/9£571
Mon 19/1023:05 -
1 stop27h 20m
Mon 2/1117:45 -
1 stop21h 05m
Deal found 28/9£630

Find flight deals from Chiang Mai to Heathrow

Round-trip from

£460

One-way from

£134
China Eastern
  • China Eastern
  • 9/11-16/11
  • 3 total stops
  • 57h 05m total
  • Chiang Mai to London
Search Deals
Etihad Airways
  • Etihad Airways
  • 27/10-31/12
  • 1 total stop
  • 36h 20m 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

Thu 12/11

09:10-14:55

2 stops36h 45m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£218

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Sat 19/12

20:55-14:30

1 stop24h 35m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£235
Fastest return journey

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Sun 20/12

20:55-06:40

1 stop16h 45m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£235

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Fri 26/3

20:55-18:10

1 stop28h 15m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£235

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Wed 14/10

20:35-17:45

2 stops27h 10m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£240

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Fri 13/11

09:10-21:05

2 stops18h 55m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£249

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Sat 17/10

23:05-20:25

1 stop27h 20m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£262

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Mon 15/3

19:45-19:20

2 stops30h 35m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£317

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Tue 24/11

15:25-06:35

2 stops22h 10m

London Heathrow

Wed 31/12

00:00-06:00

Nonstop0h 00m

£336

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Mon 9/11

09:10-06:40

1 stop28h 30m

London Heathrow

Mon 16/11

21:00-08:35

2 stops28h 35m

£460

Flights are sorted by cheapest return flights first.

Deals found on 26/9

Showing 1-10 of 15 resultsSorted by cheapest first
1
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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

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 55% 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 £1,065.

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 2h 12m.

Reviews of airlines servicing Heathrow

See what other customers who have flown with Air China and 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.
Air China
7.5
Good
166 reviews
Check prices

Food

7.3

Overall

7.5

Entertainment

6.6

Comfort

7.2

Boarding

7.8

Crew

8.1

Reviews

1 / 7
2.0
Mediocre

guoliang,May 2026

PEK - LAX

Kayak does not have service in china thus no reminder email or even access to the kayak account to see the itinerary.. missed the flight.. also air china app requires a local phone number to register.. yep.. they consider themself international airliner but does not allow anyone outside china to use the app.
Air China
7.5
Good
166 reviews
Air China
7.5
Good
166 reviews
Check prices

Food

7.3

Overall

7.5

Entertainment

6.6

Comfort

7.2

Boarding

7.8

Crew

8.1

Reviews

1 / 7
2.0
Mediocre

guoliang,May 2026

PEK - LAX

Kayak does not have service in china thus no reminder email or even access to the kayak account to see the itinerary.. missed the flight.. also air china app requires a local phone number to register.. yep.. they consider themself international airliner but does not allow anyone outside china to use the app.
Etihad Airways
7.3
Good
1,540 reviews
Air China
7.5
Good
166 reviews
Check prices

Food

7.3

Overall

7.5

Entertainment

6.6

Comfort

7.2

Boarding

7.8

Crew

8.1

Reviews

1 / 7
2.0
Mediocre

guoliang,May 2026

PEK - LAX

Kayak does not have service in china thus no reminder email or even access to the kayak account to see the itinerary.. missed the flight.. also air china app requires a local phone number to register.. yep.. they consider themself international airliner but does not allow anyone outside china to use the app.

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 2 different airlines.

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

    Currently priced at £536, Air China will fly you from Chiang Mai to London Heathrow Airport and back. In addition to Air China, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Etihad Airways for as low as £573.

  • 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 £113. 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.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Northampton
Colchester
Eastbourne
Enfield
Brentford
Southend-on-Sea
Barnet
Southall
Watford
Stratford-upon-Avon
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Chiang Mai to Heathrow

AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£536Average£566FlexibilityNo cancel feeOn-time67%
Search Air China flights
Etihad AirwaysCheapest£573Average£706FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights

Fly with Cheapflights

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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