Cheap flights from London to Chiang Mai from £216

LON — CNX
10 Oct — 17 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Chiang Mai

Enter your travel dates to find the best prices.

Cheapest flights from London to Chiang Mai

Mon 9/1111:35 -
1 stop27h 15m
Wed 18/1123:05 -
1 stop38h 15m
Deal found 5/9£358
Sun 20/912:35 -
1 stop27h 15m
Mon 28/923:05 -
1 stop25h 00m
Deal found 6/9£359
Tue 29/920:20 -
1 stop19h 30m
Mon 12/1023:05 -
1 stop37h 30m
Deal found 7/9£370
Sun 20/920:25 -
1 stop19h 25m
Tue 8/1223:05 -
1 stop23h 50m
Deal found 8/9£372
Sun 20/920:25 -
1 stop19h 25m
Tue 24/1118:10 -
1 stop30h 40m
Deal found 8/9£373
Mon 2/1111:35 -
1 stop27h 15m
Wed 18/1123:05 -
1 stop38h 15m
Deal found 8/9£374
Tue 29/922:40 -
1 stop17h 10m
Wed 9/1223:05 -
1 stop23h 50m
Deal found 5/9£379
Tue 29/920:25 -
1 stop19h 25m
Mon 12/1023:05 -
1 stop24h 35m
Deal found 4/9£380
Wed 25/1120:25 -
1 stop18h 25m
Fri 11/1223:05 -
1 stop23h 50m
Deal found 5/9£384
Wed 14/1020:25 -
1 stop19h 25m
Sun 25/1023:05 -
1 stop25h 45m
Deal found 9/9£385
Fri 25/920:20 -
1 stop19h 30m
Wed 30/923:05 -
1 stop37h 30m
Deal found 5/9£387
Wed 14/1012:35 -
1 stop27h 15m
Sat 24/1023:05 -
1 stop38h 15m
Deal found 9/9£388

Find flight deals from London to Chiang Mai

Round-trip from

£353

One-way from

£216

Popular in

July

Cheapest in

May

Average price

£742
Air China
  • Air China
  • 29/9-12/10
  • 2 total stops
  • 57h 00m total
  • London to Chiang Mai
27/9-31/12
  • 27/9-31/12
  • 2 total stops
  • 32h 50m total
  • London to Chiang Mai
Highest demand for flights based on searches. 11% potential increase in price (£64 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in September 2026

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChiang Mai

LTN London Luton - CNX Chiang Mai

LTNCNX

London Luton

Sun 27/9

07:00-21:50

2 stops32h 50m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£216

LondonChiang Mai

STN London Stansted - CNX Chiang Mai

STNCNX

London Stansted

Sun 27/9

06:45-21:50

2 stops33h 05m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£218

LondonChiang Mai

STN London Stansted - CNX Chiang Mai

STNCNX

London Stansted

Tue 15/9

17:20-22:50

3 stops47h 30m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£238

LondonChiang Mai

LTN London Luton - CNX Chiang Mai

LTNCNX

London Luton

Tue 15/9

12:45-22:00

3 stops27h 15m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£274

LondonChiang Mai

LTN London Luton - CNX Chiang Mai

LTNCNX

London Luton

Sun 20/9

15:15-21:50

2 stops24h 35m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£284

LondonChiang Mai

LGW London Gatwick - CNX Chiang Mai

LGWCNX

London Gatwick

Tue 15/9

11:35-13:25

1 stop19h 50m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£285

LondonChiang Mai

STN London Stansted - CNX Chiang Mai

STNCNX

London Stansted

Tue 12/1

15:40-22:35

3 stops47h 55m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£297

LondonChiang Mai

LTN London Luton - CNX Chiang Mai

LTNCNX

London Luton

Thu 12/11

17:15-07:35

3 stops55h 20m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£297

LondonChiang Mai

STN London Stansted - CNX Chiang Mai

STNCNX

London Stansted

Thu 1/10

08:15-07:25

3 stops41h 10m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£300

LondonChiang Mai

LGW London Gatwick - CNX Chiang Mai

LGWCNX

London Gatwick

Sat 7/11

17:00-09:05

2 stops33h 05m

Chiang Mai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£300

Flights are sorted by cheapest return flights first.

Deals found on 8/9

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from London to Chiang Mai

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

Cheapflights Insights

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

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

Currently, November is the cheapest month in which you can book a flight from London to Chiang Mai (average of £536). Flying from London to Chiang Mai in July is currently the most expensive (average of £953). 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.

How much does it cost for a return flight from London to Chiang Mai?

Airfare is below average for this route at the moment.
London to Chiang Mai flights typically cost between £536 and £784 in November.
The cheapest return price found within the last 5 days was £358 on Air China (9 Nov–18 Nov).

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

Shanghai (PVG) – chosen by Cheapflights users on 31% of one-stop itineraries from London to Chiang Mai on Cheapflights.

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

Shanghai (PVG) is the most affordable one-stop option, with an average return flight price of £445.

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

Flights via Bangkok (BKK) have the shortest average one-way travel time for one-stop routes: 15h 05m.

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

Flights via Abu Dhabi (AUH) offer the fastest connection on this route, with an average stopover time of 1h 39m.

How far ahead should I book a flight from London to Chiang Mai?

To ensure you get the cheapest price possible for a flight from London to Chiang Mai, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Chiang Mai

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

Boarding

8.0

Comfort

7.7

Food

7.5

Crew

8.5

Entertainment

6.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Boarding

8.0

Comfort

7.7

Food

7.5

Crew

8.5

Entertainment

6.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Boarding

8.0

Comfort

7.7

Food

7.5

Crew

8.5

Entertainment

6.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Boarding

8.0

Comfort

7.7

Food

7.5

Crew

8.5

Entertainment

6.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Boarding

8.0

Comfort

7.7

Food

7.5

Crew

8.5

Entertainment

6.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Boarding

8.0

Comfort

7.7

Food

7.5

Crew

8.5

Entertainment

6.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Related info for your journey

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

    Most people fly into Chiang Mai (CNX) if they book a flight to Chiang Mai from London. On average, Chiang Mai has 0 inbound flights from London per day from 7 airlines. Chiang Mai is conveniently located just 1.9 mi from Chiang Mai’s city center.

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

    Airlines like Air China, Etihad Airways, and Oman Air fly from London to Chiang Mai in about 21h 05m. The time it takes to get you to your destination can typically vary by up to 12h 05m. London and Chiang Mai are separated by a distance of 5598 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    China Eastern, at £358, was found to be the cheapest airline from London to Chiang Mai.Alternate airlines flying return to your destination include Air China and Malaysia Airlines. China Eastern is priced at 45% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with China Eastern, which is currently one of the cheapest options available, starting at £239. Air China flights start at £276 while deals on Etihad Airways start at £336 one-way.

  • What are the most popular routes from London to Chiang Mai?

  • Where are the most common stopover locations when flying from London to Chiang Mai?

  • What are some popular things to do or see while on a stopover in Shanghai?

    Most Shanghai visitors opt to spend their time experiencing People's Square, Shanghai Disneyland, and Shanghai Dianchun Hall. Travelers on a layover in Shanghai can visit People's Square, Shanghai Disneyland, and Shanghai Dianchun Hall, by traveling 20.3 mi, 8.7 mi, and 19.4 mi, respectively after landing at Shanghai Pu Dong.

  • Where are the least popular stopover locations for London to Chiang Mai flights?

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

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

  • How can I find direct flights from London to Chiang Mai?

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

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

    Yes. Cheapflights offers flight deals from London to Chiang Mai 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 London to Chiang Mai?

    Currently, November is the cheapest month in which you can book a flight from London to Chiang Mai (average of £536). Flying from London to Chiang Mai in July is currently the most expensive (average of £953). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to Chiang Mai

Top 7 airlines flying from London to Chiang Mai

AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£358Average£485FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£389Average£486FlexibilityNo cancel feeOn-time67%
Search Air China flights
Malaysia AirlinesCheapest£503Average£612FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Etihad AirwaysCheapest£525Average£657FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Austrian AirlinesCheapest£553Average£650FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Cathay PacificCheapest£679Average£780FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Thai AirwaysCheapest£777Average£943FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

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