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

Prices for flights from Chiang Rai Airport to London are refreshed on a daily basis.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chiang Rai Airport to London.

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

The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£829 Cheap Flights from Chiang Rai to London in 2025/26

1 adult

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Find the cheapest flights from Chiang Rai to London

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14:25 - 06:40CEI-LHR

23h 15m1 stop

11:50 - 18:20LHR-CEI

23h 30m1 stop

£943Thai Airways

Find Deal

Thu, 5 Mar - Sat, 7 Mar

14:25 - 06:40CEI-LHR

23h 15m1 stop

21:35 - 13:55LHR-CEI

33h 20m1 stop

£946Thai Airways

Find Deal

Thu, 5 Mar - Sat, 7 Mar

18:55 - 13:00CEI-LHR

25h 05m2 stops

20:15 - 18:20LHR-CEI

39h 05m2 stops

£1,120Lufthansa

Find Deal

Thu, 5 Mar - Sat, 7 Mar

18:55 - 08:05CEI-LHR

20h 10m2 stops

20:15 - 18:20LHR-CEI

39h 05m2 stops

£1,251Lufthansa

Find Deal

Thu, 5 Mar - Sat, 7 Mar

Thai Airways flights from Chiang Rai to London

Our best Thai Airways deals on Chiang Rai to London flight tickets

Thai Airways

5 Mar

CEI14:25Chiang Rai

23h 15m

1 stop

LHR06:40London Heathrow

7 Mar

LHR11:50London Heathrow

23h 30m

1 stop

CEI18:20Chiang Rai

£943

Find similar

Thai Airways

5 Mar

CEI14:25Chiang Rai

23h 15m

1 stop

LHR06:40London Heathrow

7 Mar

LHR21:35London Heathrow

33h 20m

1 stop

CEI13:55Chiang Rai

£946

Find similar

Lufthansa flights from Chiang Rai to London

Our best Lufthansa deals on Chiang Rai to London flight tickets

Lufthansa

5 Mar

CEI18:55Chiang Rai

25h 05m

2 stops

LHR13:00London Heathrow

7 Mar

LHR20:15London Heathrow

39h 05m

2 stops

CEI18:20Chiang Rai

£1,120

Find similar

Lufthansa

5 Mar

CEI18:55Chiang Rai

20h 10m

2 stops

LHR08:05London Heathrow

7 Mar

LHR20:15London Heathrow

39h 05m

2 stops

CEI18:20Chiang Rai

£1,251

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Thu 5/3

14:25-06:40

1 stop23h 15m

London Heathrow

Sat 7/3

11:50-18:20

1 stop23h 30m

£943

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Thu 5/3

14:25-06:40

1 stop23h 15m

London Heathrow

Sat 7/3

21:35-13:55

1 stop33h 20m

£946

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Thu 5/3

18:55-13:00

2 stops25h 05m

London Heathrow

Sat 7/3

20:15-18:20

2 stops39h 05m

£1,120

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Thu 5/3

18:55-08:05

2 stops20h 10m

London Heathrow

Sat 7/3

20:15-18:20

2 stops39h 05m

£1,251

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Chiang Rai 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

Which airlines fly to London?

China Eastern, Air China and Thai Airways are the top three most popular airlines that fly to London from Chiang Rai according to our data. China Eastern is the first choice among our users, with 55% of people opting to fly with this airline when travelling to London. Keep in mind that there are 3 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

When to book flights from Chiang Rai to London

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

Estimated return price

Cheap Chiang Rai to London (CEI to LON) flight deals and tips

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

Direct flights	None

There are no direct flights from Chiang Rai to London. There are no popular flight routes from Chiang Rai to London.

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How far is Chiang Rai to London by plane?
Chiang Rai and London are 5557.2 mi apart from one another. 20h 10m is a normal flight duration for this route.
When did momondo last update prices for flights from Chiang Rai Airport to London?
Prices for flights from Chiang Rai Airport to London are refreshed on a daily basis.
How old do you have to be to fly from Chiang Rai Airport to London?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chiang Rai Airport to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Chiang Rai.

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

Yes. momondo enables you to select and highlight flights to London from Chiang Rai with this policy.

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

Once all potential Chiang Rai to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Chiang Rai and alert you when they change.