How do I get Price Alerts for flights from Chiang Rai to London?

You can take advantage of momondo’s Price Alerts by first searching for your flights to Chiang Rai from London . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How can I save money on flights from Chiang Rai to London with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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.

£737 Cheap Flights from Chiang Rai to London in 2025/26

1 adult

0 bags

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Find the cheapest flights from Chiang Rai to London

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

08:30 - 15:25

CEI

LHR

37h 55m2 stops

10:00 - 19:25

LHR

CEI

26h 25m2 stops

£737Multiple Airlines

Sat, 31 Jan - Sat, 7 Feb

08:40 - 07:15

CEI

LHR

29h 35m2 stops

06:30 - 15:55

LHR

CEI

26h 25m3 stops

£740Multiple Airlines

Sat, 31 Jan - Sat, 7 Feb

08:40 - 19:35

CEI

LHR

17h 55m1 stop

20:05 - 08:10

LHR

CEI

29h 05m2 stops

£838Multiple Airlines

Sat, 31 Jan - Sat, 7 Feb

18:55 - 19:35

CEI

LHR

31h 40m1 stop

11:50 - 09:40

LHR

CEI

14h 50m1 stop

£855Thai Airways

Sat, 31 Jan - Sat, 7 Feb

19:25 - 15:20

CEI

LHR

26h 55m1 stop

20:35 - 08:00

LHR

CEI

28h 25m1 stop

£1,065Singapore Airlines

Thu, 22 Jan - Sun, 25 Jan

19:25 - 15:20

CEI

LHR

26h 55m1 stop

09:10 - 08:00

LHR

CEI

39h 50m1 stop

£1,066Singapore Airlines

Thu, 22 Jan - Sun, 25 Jan

Singapore Airlines flights from Chiang Rai to London

Our best Singapore Airlines deals on Chiang Rai to London flight tickets

Singapore Airlines

22 Jan

CEI19:25Chiang Rai

26h 55m

1 stop

LHR15:20London Heathrow

25 Jan

LHR20:35London Heathrow

28h 25m

1 stop

CEI08:00Chiang Rai

£1,065

Find similar

Singapore Airlines

22 Jan

CEI19:25Chiang Rai

26h 55m

1 stop

LHR15:20London Heathrow

25 Jan

LHR09:10London Heathrow

39h 50m

1 stop

CEI08:00Chiang Rai

£1,066

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Sat 31/1

08:30-15:25

2 stops37h 55m

London Heathrow

Sat 7/2

10:00-19:25

2 stops26h 25m

£737

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Sat 31/1

08:40-07:15

2 stops29h 35m

London Heathrow

Sat 7/2

06:30-15:55

3 stops26h 25m

£740

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Sat 31/1

08:40-19:35

1 stop17h 55m

London Heathrow

Sat 7/2

20:05-08:10

2 stops29h 05m

£838

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Sat 31/1

18:55-19:35

1 stop31h 40m

London Heathrow

Sat 7/2

11:50-09:40

1 stop14h 50m

£855

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Thu 22/1

19:25-15:20

1 stop26h 55m

London Heathrow

Sun 25/1

20:35-08:00

1 stop28h 25m

£1,065

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Thu 22/1

19:25-15:20

1 stop26h 55m

London Heathrow

Sun 25/1

09:10-08:00

1 stop39h 50m

£1,066

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

Fastest flight time	26h 55m
Direct flights	None

The fastest flight from Chiang Rai to London takes 26h 55m

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

Search flight deals

How far is Chiang Rai to London by plane?
Chiang Rai and London are 5557.2 mi apart from one another. 26h 55m 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.

How do I get Price Alerts for flights from Chiang Rai to London?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Chiang Rai from London. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Chiang Rai to London with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Hayes

Chelmsford

Dover

Worthing

Colchester

Bedford

Ramsgate

Hounslow

Stansted

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.