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Cheap flights from Chiang Mai to London Heathrow Airport from ฿13,307

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — LHR
29 Jun — 6 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 30 May 2026.

Mon 8/623:05
CNX
-
LHR
1 stop27h 20m
Air China
Sun 21/622:40
LHR
-
CNX
1 stop17h 10m
Air China
Deal found 25/5฿26,581
Wed 11/1106:35
CNX
-
LHR
2 stops21h 45m
Multiple Airlines
Sun 15/1120:25
LHR
-
CNX
1 stop18h 25m
Multiple Airlines
Deal found 27/5฿27,622
Fri 17/714:30
CNX
-
LHR
2 stops33h 15m
Multiple Airlines
Sun 30/821:20
LHR
-
CNX
1 stop34h 05m
Multiple Airlines
Deal found 25/5฿27,785
Tue 16/623:05
CNX
-
LHR
1 stop27h 20m
Air China
Wed 8/722:40
LHR
-
CNX
1 stop17h 10m
Air China
Deal found 29/5฿29,346
Thu 18/623:05
CNX
-
LHR
1 stop24h 35m
Air China
Mon 22/622:40
LHR
-
CNX
1 stop17h 10m
Air China
Deal found 29/5฿30,192
Mon 2/1118:50
CNX
-
LHR
1 stop30h 45m
Multiple Airlines
Mon 16/1120:25
LHR
-
CNX
1 stop18h 25m
Multiple Airlines
Deal found 25/5฿30,485
Mon 8/610:10
CNX
-
LHR
2 stops35h 10m
Multiple Airlines
Sun 21/610:00
LHR
-
CNX
2 stops21h 45m
Multiple Airlines
Deal found 26/5฿31,526
Thu 11/610:10
CNX
-
LHR
2 stops35h 10m
กัลฟ์แอร์
Tue 23/610:00
LHR
-
CNX
2 stops21h 45m
กัลฟ์แอร์
Deal found 30/5฿31,917

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 30 May 2026.

Round-trip from

฿27,622

One-way from

฿13,307
Air China
  • Air China
  • 11/11-15/11
  • 3 total stops
  • 40h 10m total
  • Chiang Mai to London
Search Deals
17/6
  • 17/6
  • 2 total stops
  • 39h 45m 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 30 May 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
Fastest return journey

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 11/11

06:35-21:20

2 stops21h 45m

London Heathrow

Sun 15/11

20:25-21:50

1 stop18h 25m

฿27,622

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Fri 17/7

14:30-17:45

2 stops33h 15m

London Heathrow

Sun 30/8

21:20-13:25

1 stop34h 05m

฿27,785

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 11/6

10:10-15:20

2 stops35h 10m

London Heathrow

Tue 23/6

10:00-13:45

2 stops21h 45m

฿31,917

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Mon 2/11

21:05-13:45

2 stops23h 40m

London Heathrow

Mon 16/11

17:40-21:50

1 stop21h 10m

฿32,144

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 13/6

20:00-21:45

2 stops31h 45m

London Heathrow

Sat 20/6

18:40-13:45

2 stops37h 05m

฿32,632

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 22/7

17:45-18:20

2 stops30h 35m

London Heathrow

Wed 29/7

06:30-22:50

3 stops34h 20m

฿32,990

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 13/6

23:05-20:25

1 stop27h 20m

London Heathrow

Sat 20/6

10:00-13:45

2 stops21h 45m

฿33,999

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Mon 7/9

11:55-15:20

2 stops33h 25m

London Heathrow

Wed 30/9

10:00-13:45

2 stops21h 45m

฿34,292

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 18/6

14:35-06:30

2 stops21h 55m

London Heathrow

Mon 22/6

08:25-11:15

2 stops20h 50m

฿36,049
Cheapest one-way

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 17/6

21:10-06:55

2 stops39h 45m

฿13,307

Flights are sorted by cheapest return flights first.

Deals found on 27/5

Showing 1-10 of 20 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 ฿25,634.

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 30 May 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
1,445 reviews
Check prices

Comfort

7.3

Food

7.2

Boarding

7.6

Entertainment

7.2

Overall

7.3

Crew

7.8

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
1,445 reviews
เอทิฮัดแอร์เวย์
7.3
Good
1,445 reviews
Check prices

Comfort

7.3

Food

7.2

Boarding

7.6

Entertainment

7.2

Overall

7.3

Crew

7.8

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 กัลฟ์แอร์ fly from Chiang Mai to London Heathrow Airport in about 35h 10m. The time it takes to get you to your destination can typically vary by up to . The distance from Chiang Mai to London Heathrow Airport is about 9009 km.

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

    Currently priced at ฿23,509, 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 30 May 2026.
AirlineCheapestAverageFlexibilityOn-time
เอทิฮัดแอร์เวย์Cheapest฿23,509Average฿33,565FlexibilityNo 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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