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Cheap flights from Chiang Mai to London from £136

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
09:10 - 18:10CNX  Chiang Mai-LHR London Heathrow
16h 00m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
21:10 - 07:50LHR  London Heathrow-CNX Chiang Mai
27h 40m2 stops Shenzhen Bangkok Suvarnabhumi
£528Multiple Airlines
Wed, 25 Nov - Sat, 5 Dec
Multiple Airlines Logo
09:10 - 18:10CNX  Chiang Mai-LHR London Heathrow
16h 00m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
20:25 - 21:50LHR  London Heathrow-CNX Chiang Mai
18h 25m1 stop Beijing Capital
£537Multiple Airlines
Wed, 25 Nov - Sat, 5 Dec
Multiple Airlines Logo
09:10 - 18:10CNX  Chiang Mai-LHR London Heathrow
16h 00m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
17:45 - 21:50LHR  London Heathrow-CNX Chiang Mai
21h 05m1 stop Beijing Capital
£538Multiple Airlines
Tue, 24 Nov - Fri, 4 Dec
Multiple Airlines Logo
09:10 - 18:10CNX  Chiang Mai-LHR London Heathrow
16h 00m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
20:25 - 21:50LHR  London Heathrow-CNX Chiang Mai
18h 25m1 stop Beijing Capital
£539Multiple Airlines
Tue, 24 Nov - Sat, 5 Dec
Multiple Airlines Logo
09:10 - 18:10CNX  Chiang Mai-LHR London Heathrow
16h 00m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
17:45 - 21:50LHR  London Heathrow-CNX Chiang Mai
21h 05m1 stop Beijing Capital
£539Multiple Airlines
Wed, 25 Nov - Fri, 4 Dec
Multiple Airlines Logo
09:10 - 18:10CNX  Chiang Mai-LHR London Heathrow
16h 00m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
21:10 - 07:20LHR  London Heathrow-CNX Chiang Mai
27h 10m2 stops Shenzhen Bangkok Suvarnabhumi
£540Multiple Airlines
Wed, 25 Nov - Sun, 6 Dec
Multiple Airlines Logo
09:10 - 18:10CNX  Chiang Mai-LHR London Heathrow
16h 00m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
21:10 - 07:20LHR  London Heathrow-CNX Chiang Mai
27h 10m2 stops Shenzhen Bangkok Suvarnabhumi
£540Multiple Airlines
Tue, 24 Nov - Sun, 6 Dec
Multiple Airlines Logo
09:10 - 18:10CNX  Chiang Mai-LHR London Heathrow
16h 00m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
21:10 - 07:50LHR  London Heathrow-CNX Chiang Mai
27h 40m2 stops Shenzhen Bangkok Suvarnabhumi
£541Multiple Airlines
Tue, 24 Nov - Sat, 5 Dec
Etihad Airways Logo
09:10 - 14:30CNX  Chiang Mai-LHR London Heathrow
36h 20m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
19:20 - 06:25LHR  London Heathrow-CNX Chiang Mai
28h 05m1 stop Abu Dhabi Zayed Intl
£567Etihad Airways
Thu, 12 Nov - Mon, 16 Nov
Etihad Airways Logo
09:10 - 14:30CNX  Chiang Mai-LHR London Heathrow
36h 20m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
19:20 - 06:25LHR  London Heathrow-CNX Chiang Mai
28h 05m1 stop Abu Dhabi Zayed Intl
£569Etihad Airways
Thu, 12 Nov - Mon, 16 Nov

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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
12 Nov
CNX09:10Chiang Mai
36h 20m
1 stop
LHR14:30London Heathrow
16 Nov
LHR19:20London Heathrow
28h 05m
1 stop
CNX06:25Chiang Mai
£567
Etihad Airways
12 Nov
CNX09:10Chiang Mai
36h 20m
1 stop
LHR14:30London Heathrow
16 Nov
LHR19:20London Heathrow
28h 05m
1 stop
CNX06:25Chiang Mai
£569
Etihad Airways
12 Nov
CNX09:10Chiang Mai
36h 20m
1 stop
LHR14:30London Heathrow
16 Nov
LHR08:40London Heathrow
14h 45m
1 stop
CNX06:25Chiang Mai
£572

Air China flights from Chiang Mai to London

Our best Air China deals on Chiang Mai to London flight tickets
Air China
18 Nov
CNX23:05Chiang Mai
38h 15m
1 stop
LGW06:20London Gatwick
4 Dec
LGW11:35London Gatwick
27h 15m
1 stop
CNX21:50Chiang Mai
£578
Air China
7 Dec
CNX23:05Chiang Mai
23h 50m
1 stop
LHR15:55London Heathrow
5 Jan
LHR17:45London Heathrow
21h 05m
1 stop
CNX21:50Chiang Mai
£620
Air China
12 Nov
CNX23:05Chiang Mai
23h 50m
1 stop
LHR15:55London Heathrow
16 Nov
LHR17:45London Heathrow
21h 05m
1 stop
CNX21:50Chiang Mai
£628

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Wed 25/11

09:10-18:10

1 stop16h 00m

London Heathrow

Sat 5/12

21:10-07:50

2 stops27h 40m

£528
Fastest return journey

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Wed 25/11

09:10-18:10

1 stop16h 00m

London Heathrow

Sat 5/12

20:25-21:50

1 stop18h 25m

£537

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Tue 24/11

09:10-18:10

1 stop16h 00m

London Heathrow

Fri 4/12

17:45-21:50

1 stop21h 05m

£538

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Tue 24/11

09:10-18:10

1 stop16h 00m

London Heathrow

Sat 5/12

20:25-21:50

1 stop18h 25m

£539

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Wed 25/11

09:10-18:10

1 stop16h 00m

London Heathrow

Fri 4/12

17:45-21:50

1 stop21h 05m

£539

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Wed 25/11

09:10-18:10

1 stop16h 00m

London Heathrow

Sun 6/12

21:10-07:20

2 stops27h 10m

£540

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Tue 24/11

09:10-18:10

1 stop16h 00m

London Heathrow

Sun 6/12

21:10-07:20

2 stops27h 10m

£540

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Tue 24/11

09:10-18:10

1 stop16h 00m

London Heathrow

Sat 5/12

21:10-07:50

2 stops27h 40m

£541

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Thu 12/11

09:10-14:30

1 stop36h 20m

London Heathrow

Mon 16/11

19:20-06:25

1 stop28h 05m

£567

Chiang MaiLondon

CNX Chiang Mai - LHR London Heathrow

CNXLHR

Chiang Mai

Thu 12/11

09:10-14:30

1 stop36h 20m

London Heathrow

Mon 16/11

19:20-06:25

1 stop28h 05m

£569

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 61% 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 October 2026, prices for Chiang Mai to London flights are approximately 55% 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

Best price found

£136

Fastest flight time

15h 50m

Direct flights

None
The best one-way flight to London from Chiang Mai in the past 72 hours is £136. The best return flight deal from Chiang Mai to London found on momondo in the last 72 hours is £528.
The fastest flight from Chiang Mai to London takes 15h 50m
There are no direct flights from Chiang Mai to London. There are no popular flight routes from Chiang Mai to London.
Search flight deals

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 15h 50m.

  • 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
Etihad AirwaysPriceFrom £567Free CancellationRating
7.3
1,549 reviews
Search Etihad Airways 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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