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Cheap flights from Chiang Mai to London from £205

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chiang Mai to London departing on 31/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:05 - 15:00
CNX
-
LGW
34h 55m
3 stops
Multiple Airlines Logo
12:35 - 21:50
LGW
-
CNX
27h 15m
1 stop
£491Multiple Airlines
Thu, 14 May - Fri, 29 May
Multiple Airlines Logo
10:05 - 15:00
CNX
-
LGW
34h 55m
2 stops
Multiple Airlines Logo
12:35 - 21:50
LGW
-
CNX
27h 15m
1 stop
£495Multiple Airlines
Thu, 14 May - Fri, 29 May
Multiple Airlines Logo
14:55 - 06:40
CNX
-
LGW
21h 45m
1 stop
Multiple Airlines Logo
12:35 - 21:50
LGW
-
CNX
27h 15m
1 stop
£502Multiple Airlines
Thu, 2 Apr - Mon, 20 Apr
China Eastern Logo
14:55 - 06:40
CNX
-
LGW
21h 45m
1 stop
China Eastern Logo
18:00 - 09:15
LGW
-
CNX
33h 15m
2 stops
£514China Eastern
Thu, 2 Apr - Mon, 20 Apr
China Eastern Logo
10:05 - 15:10
CNX
-
LGW
35h 05m
2 stops
China Eastern Logo
19:00 - 09:15
LGW
-
CNX
56h 15m
2 stops
£522China Eastern
Thu, 11 Jun - Sun, 14 Jun
Air China Logo
23:05 - 05:45
CNX
-
LGW
37h 40m
1 stop
Air China Logo
12:35 - 21:50
LGW
-
CNX
27h 15m
1 stop
£525Air China
Sat, 28 Mar - Mon, 20 Apr
China Eastern Logo
16:10 - 15:10
CNX
-
LGW
29h 00m
2 stops
China Eastern Logo
18:00 - 09:15
LGW
-
CNX
57h 15m
2 stops
£526China Eastern
Thu, 2 Apr - Thu, 16 Apr
Air China Logo
23:05 - 05:45
CNX
-
LGW
37h 40m
1 stop
Air China Logo
12:35 - 21:50
LGW
-
CNX
27h 15m
1 stop
£529Air China
Sat, 28 Mar - Mon, 20 Apr
KLM Logo
20:00 - 16:40
CNX
-
LCY
50h 40m
2 stops
KLM Logo
08:25 - 13:45
LCY
-
CNX
23h 20m
2 stops
£1,185KLM
Mon, 1 Jun - Fri, 19 Jun
KLM Logo
20:00 - 07:55
CNX
-
LCY
41h 55m
2 stops
KLM Logo
10:00 - 19:10
LCY
-
CNX
27h 10m
2 stops
£1,187KLM
Thu, 7 May - Thu, 21 May

Etihad Airways flights from Chiang Mai to London

Our best Etihad Airways deals on Chiang Mai to London flight tickets
Etihad Airways
3 May
CNX09:30Chiang Mai
35h 35m
1 stop
LHR15:05London Heathrow
16 May
LHR09:30London Heathrow
14h 55m
1 stop
CNX06:25Chiang Mai
£586
Etihad Airways
3 May
CNX09:30Chiang Mai
27h 30m
1 stop
LHR07:00London Heathrow
16 May
LHR09:30London Heathrow
14h 55m
1 stop
CNX06:25Chiang Mai
£597
Etihad Airways
11 Jun
CNX09:30Chiang Mai
15h 15m
1 stop
LHR18:45London Heathrow
14 Jun
LHR14:45London Heathrow
33h 40m
1 stop
CNX06:25Chiang Mai
£647

Air China flights from Chiang Mai to London

Our best Air China deals on Chiang Mai to London flight tickets
Air China
28 Mar
CNX23:05Chiang Mai
37h 40m
1 stop
LGW05:45London Gatwick
20 Apr
LGW12:35London Gatwick
27h 15m
1 stop
CNX21:50Chiang Mai
£525
Air China
28 Mar
CNX23:05Chiang Mai
37h 40m
1 stop
LGW05:45London Gatwick
20 Apr
LGW12:35London Gatwick
27h 15m
1 stop
CNX21:50Chiang Mai
£529
Air China
14 May
CNX23:05Chiang Mai
37h 30m
1 stop
LGW06:35London Gatwick
29 May
LGW12:35London Gatwick
27h 15m
1 stop
CNX21:50Chiang Mai
£578

momondo Fare Finder

 
Customise your flight search to find flights from Chiang Mai to London 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, momondo users made 279,928 searches. Data last updated 8 March 2026.
Use the filters below to find and compare flights from Chiang Mai to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Thu 14/5

10:05-15:00

3 stops34h 55m

London Gatwick

Fri 29/5

12:35-21:50

1 stop27h 15m

£491

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Thu 14/5

10:05-15:00

2 stops34h 55m

London Gatwick

Fri 29/5

12:35-21:50

1 stop27h 15m

£495
Fastest return journey

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Thu 2/4

14:55-06:40

1 stop21h 45m

London Gatwick

Mon 20/4

12:35-21:50

1 stop27h 15m

£502

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Thu 2/4

14:55-06:40

1 stop21h 45m

London Gatwick

Mon 20/4

18:00-09:15

2 stops33h 15m

£514

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Thu 11/6

10:05-15:10

2 stops35h 05m

London Gatwick

Sun 14/6

19:00-09:15

2 stops56h 15m

£522

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Sat 28/3

23:05-05:45

1 stop37h 40m

London Gatwick

Mon 20/4

12:35-21:50

1 stop27h 15m

£525

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Thu 2/4

16:10-15:10

2 stops29h 00m

London Gatwick

Thu 16/4

18:00-09:15

2 stops57h 15m

£526

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Sat 28/3

23:05-05:45

1 stop37h 40m

London Gatwick

Mon 20/4

12:35-21:50

1 stop27h 15m

£529

Chiang MaiLondon

CNX - LCY

CNXLCY

Chiang Mai

Mon 1/6

20:00-16:40

2 stops50h 40m

London City

Fri 19/6

08:25-13:45

2 stops23h 20m

£1,185

Chiang MaiLondon

CNX - LCY

CNXLCY

Chiang Mai

Thu 7/5

20:00-07:55

2 stops41h 55m

London City

Thu 21/5

10:00-19:10

2 stops27h 10m

£1,187

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from Chiang Mai to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Chiang Mai to London flights?

You could potentially save up to 27% on your flight if you consider stops on a Chiang Mai to London flight.

How have Chiang Mai to London flight prices changed over time?

As of March 2026, prices for Chiang Mai to London flights are approximately 17% more expensive when compared to flights at the same time last year.

When to book flights from Chiang Mai to London

Are you open to changing your travel dates? Check out the ideal times to fly from Chiang Mai to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Chiang Mai to London (CNX to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chiang Mai to London

Fastest flight time

21h 25m

Direct flights

None
The fastest flight from Chiang Mai to London takes 21h 25m
There are no direct flights from Chiang Mai to London. There are no popular flight routes from Chiang Mai to London.
Search flight deals

  • How far is Chiang Mai to London by plane?

    Chiang Mai and London are 5583.6 mi apart from one another. In terms of flight time, this usually takes a little over 21h 25m.

  • When did momondo last update prices for flights from Chiang Mai Airport to London?

    Prices for flights from Chiang Mai Airport to London are updated daily.

  • How many operators does momondo search for flights from Chiang Mai Airport to London?

  • How old do you have to be to fly from Chiang Mai Airport to London?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chiang Mai Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Chiang Mai to London?

Best airlines flying from Chiang Mai to London

Compare and see reviews for airlines that fly from Chiang Mai to London with momondo
Airline
Rating
Free Cancellation
Price
Air ChinaPriceFrom £512Free CancellationRating
7.3
141 reviews
Search Air China flights
Etihad AirwaysPriceFrom £566Free CancellationRating
7.3
1,424 reviews
Search Etihad Airways flights
China EasternPriceFrom £597Free CancellationRating
7.2
198 reviews
Search China Eastern flights

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Why use momondo?

Why should I use momondo to find a flight deal from Chiang Mai to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chiang Mai to London for you.

Can I find flights from Chiang Mai to London with flexible booking policies on momondo?

Flights from Chiang Mai to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chiang Mai to London?

Once you have performed a search for Chiang Mai to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Chiang Mai to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chiang Mai to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport