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Cheap flights from Chiang Mai to London Heathrow Airport from ฿10,753

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — LHR
15 Jul — 22 Jul1
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
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 15 June 2026.

Fri 11/920:00
CNX
-
LHR
2 stops22h 45m
Multiple Airlines
Sun 20/922:40
LHR
-
CNX
1 stop17h 10m
Multiple Airlines
Deal found 14/6฿26,113
Mon 14/920:00
CNX
-
LHR
2 stops28h 45m
Multiple Airlines
Wed 23/922:40
LHR
-
CNX
1 stop17h 10m
Multiple Airlines
Deal found 14/6฿28,728
Sun 13/911:55
CNX
-
LHR
2 stops25h 05m
Multiple Airlines
Wed 23/922:40
LHR
-
CNX
1 stop17h 10m
Multiple Airlines
Deal found 14/6฿28,826
Mon 15/614:35
CNX
-
LHR
2 stops34h 10m
เอทิฮัดแอร์เวย์
Fri 19/614:45
LHR
-
CNX
2 stops23h 40m
เอทิฮัดแอร์เวย์
Deal found 12/6฿28,859
Tue 15/920:00
CNX
-
LHR
2 stops22h 45m
Multiple Airlines
Wed 23/922:40
LHR
-
CNX
1 stop17h 10m
Multiple Airlines
Deal found 14/6฿28,957
Mon 12/1010:10
CNX
-
LHR
2 stops26h 50m
Multiple Airlines
Thu 29/1021:00
LHR
-
CNX
1 stop34h 20m
Multiple Airlines
Deal found 13/6฿29,120
Tue 16/621:10
CNX
-
LHR
2 stops23h 55m
เอทิฮัดแอร์เวย์
Fri 19/621:45
LHR
-
CNX
2 stops29h 35m
เอทิฮัดแอร์เวย์
Deal found 11/6฿29,349
Tue 16/621:10
CNX
-
LHR
2 stops23h 55m
Multiple Airlines
Fri 19/614:45
LHR
-
CNX
2 stops23h 40m
Multiple Airlines
Deal found 12/6฿29,512
Thu 18/610:10
CNX
-
LHR
2 stops26h 50m
เอทิฮัดแอร์เวย์
Fri 19/614:45
LHR
-
CNX
2 stops23h 40m
เอทิฮัดแอร์เวย์
Deal found 13/6฿29,610
Mon 14/911:55
CNX
-
LHR
2 stops25h 05m
เอทิฮัดแอร์เวย์
Wed 23/921:45
LHR
-
CNX
2 stops29h 35m
เอทิฮัดแอร์เวย์
Deal found 14/6฿29,970
Wed 14/1012:35
CNX
-
LHR
1 stop23h 20m
Malaysia Airlines
Mon 26/1021:25
LHR
-
CNX
1 stop31h 00m
Malaysia Airlines
Deal found 13/6฿30,199

Find flight deals from Chiang Mai to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 June 2026.

Round-trip from

฿26,113

One-way from

฿10,753
Air China
  • Air China
  • 11/9-20/9
  • 3 total stops
  • 39h 55m total
  • Chiang Mai to London
Search Deals
9/7
  • 9/7
  • 3 total stops
  • 42h 30m total
  • Chiang Mai to London
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Chiang Mai to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 15 June 2026.
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 - LHR

CNXLHR

Chiang Mai

Mon 14/9

20:00-18:45

2 stops28h 45m

London Heathrow

Wed 16/9

20:45-11:15

2 stops32h 30m

฿32,258

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sun 9/8

20:00-18:45

2 stops28h 45m

London Heathrow

Sun 23/8

21:45-19:10

2 stops39h 25m

฿32,911
Fastest return journey

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 11/11

12:25-05:35

1 stop24h 10m

London Heathrow

Sun 15/11

10:25-11:25

1 stop18h 00m

฿33,271

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Mon 14/9

12:35-16:35

1 stop34h 00m

London Heathrow

Mon 21/9

21:35-11:40

1 stop32h 05m

฿35,068

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sun 13/9

11:55-06:55

2 stops25h 00m

London Heathrow

Mon 21/9

22:05-13:45

2 stops33h 40m

฿36,801

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Mon 14/9

10:10-06:55

2 stops26h 45m

London Heathrow

Sat 26/9

10:00-13:45

2 stops21h 45m

฿36,801

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sun 26/7

14:55-18:40

1 stop33h 45m

London Heathrow

Sun 2/8

21:20-09:15

2 stops29h 55m

฿36,899

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 11/11

10:05-17:30

2 stops38h 25m

London Heathrow

Sun 15/11

21:00-14:20

1 stop34h 20m

฿37,650

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Mon 14/9

14:55-18:40

1 stop33h 45m

London Heathrow

Wed 16/9

21:20-13:25

1 stop34h 05m

฿39,252
Cheapest one-way

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 18/7

10:10-07:00

2 stops26h 50m

฿12,289

Flights are sorted by cheapest return flights first.

Deals found on 15/6

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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?

Share of one-stop return flights from Chiang Mai to London Heathrow Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Bangkok (BKK) – chosen by Cheapflights users on 44% 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?

Average return fare for one-stop flights from Chiang Mai to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Kuala Lumpur (KUL) is the most affordable one-stop option, with an average return flight price of ฿25,751.

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

Shortest average travel time for one-stop one-way flights from Chiang Mai to London Heathrow Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Bangkok (BKK) have the shortest average one-way travel time for one-stop routes: 15h 55m.

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

Average stopover duration for one-stop one-way flights from Chiang Mai to London Heathrow Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

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

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 15 June 2026.
Read reviews from past customers who have flown with เอทิฮัดแอร์เวย์ from Chiang Mai to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
เอทิฮัดแอร์เวย์
7.3
Good
1,452 reviews
Check prices

Entertainment

7.2

Comfort

7.3

Overall

7.3

Crew

7.8

Boarding

7.6

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Abraham,May 2026

TLV - AUH

Huge delay no explanation, made me miss the connection. Terrible experience
เอทิฮัดแอร์เวย์
7.3
Good
1,452 reviews
เอทิฮัดแอร์เวย์
7.3
Good
1,452 reviews
Check prices

Entertainment

7.2

Comfort

7.3

Overall

7.3

Crew

7.8

Boarding

7.6

Food

7.2

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

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?

    For a flight from Chiang Mai to London Heathrow, you will be flying from Chiang Mai. Chiang Mai (CNX) is just 3.1 km from the centre of the city. Chiang Mai is the only Chiang Mai airport and it handles 0 outbound flights to London Heathrow per day. 1 airline has flights to London Heathrow from Chiang Mai on a regular basis.

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

    Airlines like เอทิฮัดแอร์เวย์ and Malaysia Airlines fly from Chiang Mai to London Heathrow Airport in about 24h 10m. The time it takes to get you to your destination can typically vary by up to 4h 35m. The distance from Chiang Mai to London Heathrow Airport is about 9009 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at ฿23,616, เอทิฮัดแอร์เวย์ will fly you from Chiang Mai to London Heathrow Airport and back. In addition to เอทิฮัดแอร์เวย์, many other airlines offer competitively priced options for your trip.

  • 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
Brentford

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Top airline flying from Chiang Mai to Heathrow

Discover the top airline that operate flights from Chiang Mai to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 15 June 2026.
AirlineCheapestAverageFlexibilityOn-time
เอทิฮัดแอร์เวย์Cheapest฿23,616Average฿33,718FlexibilityNo cancel feeOn-time75%
Search เอทิฮัดแอร์เวย์ flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Chiang Mai to Heathrow 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 Chiang Mai to Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Chiang Mai to Heathrow for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Heathrow from Chiang Mai? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Chiang Mai today and book when prices fit your budget.

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