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Cheap flights from Chiang Mai to London from £189

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 5/2. 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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Find the cheapest flights from Chiang Mai to London

Cheap return flights

Enter your travel dates to find the best prices.
China Eastern Logo
10:05 - 15:00
CNX
-
LGW
58h 55m
2 stops
China Eastern Logo
11:35 - 09:15
LGW
-
CNX
39h 40m
2 stops
£526China Eastern
Tue, 2 Jun - Wed, 10 Jun
Multiple Airlines Logo
16:25 - 17:30
CNX
-
LHR
32h 05m
2 stops
Multiple Airlines Logo
17:40 - 21:50
LHR
-
CNX
21h 10m
1 stop
£529Multiple Airlines
Fri, 6 Mar - Fri, 13 Mar
China Eastern Logo
16:20 - 15:00
CNX
-
LGW
28h 40m
2 stops
China Eastern Logo
11:35 - 15:20
LGW
-
CNX
21h 45m
2 stops
£530China Eastern
Wed, 27 May - Tue, 16 Jun
Multiple Airlines Logo
17:20 - 23:55
CNX
-
LGW
37h 35m
3 stops
Multiple Airlines Logo
13:10 - 23:35
LGW
-
CNX
27h 25m
3 stops
£532Multiple Airlines
Thu, 5 Feb - Fri, 20 Feb
Multiple Airlines Logo
16:25 - 17:30
CNX
-
LHR
32h 05m
2 stops
Multiple Airlines Logo
17:40 - 21:50
LHR
-
CNX
21h 10m
1 stop
£532Multiple Airlines
Thu, 5 Mar - Thu, 12 Mar
Air China Logo
23:05 - 15:55
CNX
-
LHR
23h 50m
1 stop
Air China Logo
17:40 - 21:50
LHR
-
CNX
21h 10m
1 stop
£548Air China
Fri, 6 Mar - Fri, 13 Mar
Air China Logo
23:05 - 06:35
CNX
-
LGW
37h 30m
1 stop
Air China Logo
12:35 - 21:50
LGW
-
CNX
27h 15m
1 stop
£593Air China
Thu, 2 Apr - Sun, 19 Apr
SWISS Logo
10:10 - 12:55
CNX
-
LCY
33h 45m
2 stops
SWISS Logo
13:30 - 13:45
LCY
-
CNX
17h 15m
2 stops
£964SWISS
Thu, 5 Mar - Thu, 12 Mar
KLM Logo
20:00 - 09:30
CNX
-
LCY
43h 30m
2 stops
KLM Logo
08:25 - 13:45
LCY
-
CNX
23h 20m
2 stops
£1,005KLM
Sun, 31 May - Fri, 12 Jun
KLM Logo
20:00 - 08:50
CNX
-
LCY
42h 50m
2 stops
KLM Logo
08:25 - 13:45
LCY
-
CNX
23h 20m
2 stops
£1,088KLM
Sat, 30 May - Fri, 12 Jun

Etihad Airways flights from Chiang Mai to London

Our best Etihad Airways deals on Chiang Mai to London flight tickets
Etihad Airways
30 Apr
CNX09:30Chiang Mai
15h 15m
1 stop
LHR18:45London Heathrow
14 Oct
LHR09:30London Heathrow
14h 55m
1 stop
CNX06:25Chiang Mai
£643
Etihad Airways
30 Apr
CNX09:30Chiang Mai
15h 15m
1 stop
LHR18:45London Heathrow
14 Oct
LHR09:30London Heathrow
14h 55m
1 stop
CNX06:25Chiang Mai
£646
Etihad Airways
2 Jun
CNX09:30Chiang Mai
15h 15m
1 stop
LHR18:45London Heathrow
12 Jun
LHR09:30London Heathrow
14h 55m
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
6 Mar
CNX23:05Chiang Mai
23h 50m
1 stop
LHR15:55London Heathrow
13 Mar
LHR17:40London Heathrow
21h 10m
1 stop
CNX21:50Chiang Mai
£548
Air China
2 Apr
CNX23:05Chiang Mai
37h 30m
1 stop
LGW06:35London Gatwick
19 Apr
LGW12:35London Gatwick
27h 15m
1 stop
CNX21:50Chiang Mai
£593
Air China
2 Apr
CNX23:05Chiang Mai
24h 35m
1 stop
LHR17:40London Heathrow
19 Apr
LHR20:25London Heathrow
19h 25m
1 stop
CNX21:50Chiang Mai
£623

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 21 January 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

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Tue 2/6

10:05-15:00

2 stops58h 55m

London Gatwick

Wed 10/6

11:35-09:15

2 stops39h 40m

£526

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Fri 6/3

16:25-17:30

2 stops32h 05m

London Heathrow

Fri 13/3

17:40-21:50

1 stop21h 10m

£529

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Wed 27/5

16:20-15:00

2 stops28h 40m

London Gatwick

Tue 16/6

11:35-15:20

2 stops21h 45m

£530

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Thu 5/2

17:20-23:55

3 stops37h 35m

London Gatwick

Fri 20/2

13:10-23:35

3 stops27h 25m

£532

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 5/3

16:25-17:30

2 stops32h 05m

London Heathrow

Thu 12/3

17:40-21:50

1 stop21h 10m

£532

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Fri 6/3

23:05-15:55

1 stop23h 50m

London Heathrow

Fri 13/3

17:40-21:50

1 stop21h 10m

£548

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Thu 2/4

23:05-06:35

1 stop37h 30m

London Gatwick

Sun 19/4

12:35-21:50

1 stop27h 15m

£593

Chiang MaiLondon

CNX - LCY

CNXLCY

Chiang Mai

Thu 5/3

10:10-12:55

2 stops33h 45m

London City

Thu 12/3

13:30-13:45

2 stops17h 15m

£964

Chiang MaiLondon

CNX - LCY

CNXLCY

Chiang Mai

Sun 31/5

20:00-09:30

2 stops43h 30m

London City

Fri 12/6

08:25-13:45

2 stops23h 20m

£1,005

Chiang MaiLondon

CNX - LCY

CNXLCY

Chiang Mai

Sat 30/5

20:00-08:50

2 stops42h 50m

London City

Fri 12/6

08:25-13:45

2 stops23h 20m

£1,088

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

What is the cheapest month to fly to London?

The cheapest month to fly to London from Chiang Mai is in October. Flight prices, which tend to average around £492, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Chiang Mai averaging around £541.

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

You could potentially save up to 6% 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 January 2026, prices for Chiang Mai to London flights are approximately 39% 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

15h 15m

Direct flights

None
The fastest flight from Chiang Mai to London takes 15h 15m
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 15h 15m.

  • 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 £511Free CancellationRating
7.2
138 reviews
Search Air China flights
Etihad AirwaysPriceFrom £565Free CancellationRating
7.3
1,374 reviews
Search Etihad Airways flights
China EasternPriceFrom £595Free CancellationRating
7.2
190 reviews
Search China Eastern flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Luton
Milton Keynes
Gatwick
Maidstone
Slough
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Chelmsford
Hayes
Dover
Bedford
Worthing
Ramsgate
Colchester
Folkestone
Winchester

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