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Cheap flights from Chiang Mai to London from £185

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 31/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chiang Mai to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:40 - 07:25
CNX
-
LGW
21h 45m
2 stops
Multiple Airlines Logo
21:55 - 13:25
LGW
-
CNX
33h 30m
1 stop
£555Multiple Airlines
Sun, 20 Sep - Thu, 24 Sep
Multiple Airlines Logo
15:40 - 07:25
CNX
-
LGW
21h 45m
2 stops
Multiple Airlines Logo
18:00 - 13:25
LGW
-
CNX
37h 25m
1 stop
£560Multiple Airlines
Sun, 6 Sep - Mon, 28 Sep
Multiple Airlines Logo
15:40 - 07:25
CNX
-
LGW
21h 45m
2 stops
Multiple Airlines Logo
22:00 - 09:15
LGW
-
CNX
29h 15m
2 stops
£564Multiple Airlines
Sun, 6 Sep - Mon, 28 Sep
Multiple Airlines Logo
20:00 - 12:45
CNX
-
LHR
22h 45m
2 stops
Multiple Airlines Logo
20:25 - 21:50
LHR
-
CNX
19h 25m
1 stop
£567Multiple Airlines
Wed, 16 Sep - Sun, 20 Sep
Air China Logo
23:05 - 06:45
CNX
-
LGW
37h 40m
1 stop
Air China Logo
11:35 - 21:50
LGW
-
CNX
27h 15m
1 stop
£600Air China
Sat, 17 Oct - Mon, 9 Nov
Air China Logo
23:05 - 18:05
CNX
-
LGW
25h 00m
1 stop
Air China Logo
12:35 - 21:50
LGW
-
CNX
27h 15m
1 stop
£602Air China
Thu, 3 Sep - Wed, 16 Sep
Air China Logo
23:05 - 06:35
CNX
-
LGW
37h 30m
1 stop
Air China Logo
11:35 - 21:50
LGW
-
CNX
27h 15m
1 stop
£615Air China
Mon, 19 Oct - Fri, 13 Nov
KLM Logo
20:00 - 16:40
CNX
-
LCY
50h 40m
2 stops
KLM Logo
10:00 - 13:45
LCY
-
CNX
21h 45m
2 stops
£1,154KLM
Sun, 6 Sep - Mon, 28 Sep
KLM Logo
20:00 - 07:55
CNX
-
LCY
41h 55m
2 stops
KLM Logo
10:00 - 13:45
LCY
-
CNX
20h 45m
2 stops
£1,176KLM
Tue, 20 Oct - Wed, 11 Nov
KLM Logo
20:00 - 08:50
CNX
-
LCY
42h 50m
2 stops
KLM Logo
08:25 - 13:45
LCY
-
CNX
23h 20m
2 stops
£1,228KLM
Sun, 20 Sep - Thu, 24 Sep

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Etihad Airways flights from Chiang Mai to London

Our best Etihad Airways deals on Chiang Mai to London flight tickets
Etihad Airways
26 Sept
CNX20:00Chiang Mai
25h 05m
2 stops
LHR15:05London Heathrow
10 Oct
LHR21:45London Heathrow
31h 30m
2 stops
CNX11:15Chiang Mai
£652
Etihad Airways
20 Sept
CNX20:00Chiang Mai
25h 05m
2 stops
LHR15:05London Heathrow
24 Sept
LHR21:45London Heathrow
31h 30m
2 stops
CNX11:15Chiang Mai
£657
Etihad Airways
16 Sept
CNX10:10Chiang Mai
26h 50m
2 stops
LHR07:00London Heathrow
20 Sept
LHR09:30London Heathrow
27h 40m
2 stops
CNX19:10Chiang Mai
£684

Air China flights from Chiang Mai to London

Our best Air China deals on Chiang Mai to London flight tickets
Air China
17 Oct
CNX23:05Chiang Mai
37h 40m
1 stop
LGW06:45London Gatwick
9 Nov
LGW11:35London Gatwick
27h 15m
1 stop
CNX21:50Chiang Mai
£600
Air China
3 Sept
CNX23:05Chiang Mai
25h 00m
1 stop
LGW18:05London Gatwick
16 Sept
LGW12:35London Gatwick
27h 15m
1 stop
CNX21:50Chiang Mai
£602
Air China
19 Oct
CNX23:05Chiang Mai
37h 30m
1 stop
LGW06:35London Gatwick
13 Nov
LGW11:35London Gatwick
27h 15m
1 stop
CNX21:50Chiang Mai
£615

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 25 July 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

Sun 20/9

15:40-07:25

2 stops21h 45m

London Gatwick

Thu 24/9

21:55-13:25

1 stop33h 30m

£555

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Sun 6/9

15:40-07:25

2 stops21h 45m

London Gatwick

Mon 28/9

18:00-13:25

1 stop37h 25m

£560

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Sun 6/9

15:40-07:25

2 stops21h 45m

London Gatwick

Mon 28/9

22:00-09:15

2 stops29h 15m

£564
Fastest return journey

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Wed 16/9

20:00-12:45

2 stops22h 45m

London Heathrow

Sun 20/9

20:25-21:50

1 stop19h 25m

£567

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Sat 17/10

23:05-06:45

1 stop37h 40m

London Gatwick

Mon 9/11

11:35-21:50

1 stop27h 15m

£600

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Thu 3/9

23:05-18:05

1 stop25h 00m

London Gatwick

Wed 16/9

12:35-21:50

1 stop27h 15m

£602

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Mon 19/10

23:05-06:35

1 stop37h 30m

London Gatwick

Fri 13/11

11:35-21:50

1 stop27h 15m

£615

Chiang MaiLondon

CNX - LCY

CNXLCY

Chiang Mai

Sun 6/9

20:00-16:40

2 stops50h 40m

London City

Mon 28/9

10:00-13:45

2 stops21h 45m

£1,154

Chiang MaiLondon

CNX - LCY

CNXLCY

Chiang Mai

Tue 20/10

20:00-07:55

2 stops41h 55m

London City

Wed 11/11

10:00-13:45

2 stops20h 45m

£1,176

Chiang MaiLondon

CNX - LCY

CNXLCY

Chiang Mai

Sun 20/9

20:00-08:50

2 stops42h 50m

London City

Thu 24/9

08:25-13:45

2 stops23h 20m

£1,228

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 10% 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 July 2026, prices for Chiang Mai to London flights are approximately 15% cheaper 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 45m

Direct flights

None
The fastest flight from Chiang Mai to London takes 21h 45m
There are no direct flights from Chiang Mai to London. There are no popular flight routes from Chiang Mai to London.
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Frequently asked questions about flying from Chiang Mai to London

  • 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 45m.

  • 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.

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 £516Free CancellationRating
7.4
156 reviews
Search Air China flights
Etihad AirwaysPriceFrom £570Free CancellationRating
7.3
1,486 reviews
Search Etihad Airways flights

Travelling to a place near London?

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Wembley
Gatwick
Milton Keynes
Luton
Southend-on-Sea
Slough
Ipswich
Maidstone
Folkestone
Ilford
Hastings
Canterbury
Guildford
Chichester
Hayes
Bedford
Colchester
Harlow
Chelmsford

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