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.

£751 Cheap Flights from Chiang Rai to London in 2026

Find the cheapest flights from Chiang Rai to London

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

20:00 - 21:20

CEI

LHR

32h 20m

3 stops

09:25 - 18:20

LHR

CEI

25h 55m

2 stops

£751Multiple Airlines

Thu, 5 Nov - Tue, 10 Nov

20:00 - 19:55

CEI

LHR

30h 55m

2 stops

14:15 - 18:20

LHR

CEI

21h 05m

2 stops

£785Multiple Airlines

Thu, 5 Nov - Tue, 10 Nov

08:25 - 19:15

CEI

LHR

16h 50m

1 stop

21:20 - 07:55

LHR

CEI

28h 35m

2 stops

£788Multiple Airlines

Wed, 5 Aug - Tue, 18 Aug

08:25 - 19:15

CEI

LHR

16h 50m

1 stop

12:35 - 19:25

LHR

CEI

24h 50m

2 stops

£791Multiple Airlines

Fri, 4 Sep - Fri, 11 Sep

12:35 - 07:00

CEI

LHR

24h 25m

3 stops

18:55 - 13:10

LHR

CEI

36h 15m

2 stops

£795Multiple Airlines

Wed, 5 Aug - Tue, 18 Aug

15:25 - 10:20

CEI

LHR

24h 55m

3 stops

12:35 - 14:55

LHR

CEI

20h 20m

2 stops

£815Multiple Airlines

Fri, 4 Sep - Fri, 11 Sep

14:25 - 09:10

CEI

LHR

25h 45m

2 stops

10:20 - 13:55

LHR

CEI

20h 35m

2 stops

£825Multiple Airlines

Tue, 3 Nov - Tue, 10 Nov

18:55 - 21:45

CEI

LHR

32h 50m

2 stops

06:00 - 13:10

LHR

CEI

25h 10m

2 stops

£861Multiple Airlines

Fri, 4 Sep - Fri, 11 Sep

18:55 - 19:00

CEI

LHR

30h 05m

2 stops

12:30 - 18:20

LHR

CEI

23h 50m

2 stops

£874Multiple Airlines

Wed, 5 Aug - Tue, 18 Aug

20:00 - 19:55

CEI

LHR

30h 55m

2 stops

21:20 - 09:40

LHR

CEI

29h 20m

1 stop

£882Multiple Airlines

Thu, 5 Nov - Tue, 10 Nov

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Thai Airways flights from Chiang Rai to London

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

Thai Airways

5 Nov

CEI18:55Chiang Rai

18h 45m

1 stop

LHR06:40London Heathrow

10 Nov

LHR11:50London Heathrow

14h 50m

1 stop

CEI09:40Chiang Rai

£915

Thai Airways

3 Nov

CEI10:15Chiang Rai

16h 20m

1 stop

LHR19:35London Heathrow

10 Nov

LHR11:50London Heathrow

23h 30m

1 stop

CEI18:20Chiang Rai

£917

Thai Airways

4 Sept

CEI18:55Chiang Rai

18h 20m

1 stop

LHR07:15London Heathrow

11 Sept

LHR12:30London Heathrow

15h 10m

1 stop

CEI09:40Chiang Rai

£918

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Thu 5/11

20:00-21:20

3 stops32h 20m

London Heathrow

Tue 10/11

09:25-18:20

2 stops25h 55m

£751

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Thu 5/11

20:00-19:55

2 stops30h 55m

London Heathrow

Tue 10/11

14:15-18:20

2 stops21h 05m

£785

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Wed 5/8

08:25-19:15

1 stop16h 50m

London Heathrow

Tue 18/8

21:20-07:55

2 stops28h 35m

£788

Fastest return journey

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Fri 4/9

08:25-19:15

1 stop16h 50m

London Heathrow

Fri 11/9

12:35-19:25

2 stops24h 50m

£791

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Wed 5/8

12:35-07:00

3 stops24h 25m

London Heathrow

Tue 18/8

18:55-13:10

2 stops36h 15m

£795

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Fri 4/9

15:25-10:20

3 stops24h 55m

London Heathrow

Fri 11/9

12:35-14:55

2 stops20h 20m

£815

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Tue 3/11

14:25-09:10

2 stops25h 45m

London Heathrow

Tue 10/11

10:20-13:55

2 stops20h 35m

£825

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Fri 4/9

18:55-21:45

2 stops32h 50m

London Heathrow

Fri 11/9

06:00-13:10

2 stops25h 10m

£861

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Wed 5/8

18:55-19:00

2 stops30h 05m

London Heathrow

Tue 18/8

12:30-18:20

2 stops23h 50m

£874

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Thu 5/11

20:00-19:55

2 stops30h 55m

London Heathrow

Tue 10/11

21:20-09:40

1 stop29h 20m

£882

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	16h 50m
Direct flights	None

The fastest flight from Chiang Rai to London takes 16h 50m

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

Search flight deals

Frequently asked questions about flying from Chiang Rai to London

How far is Chiang Rai to London by plane?
Chiang Rai and London are 5557.2 mi apart from one another. 16h 50m 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.

Frequently asked questions about flying from Chiang Rai to London

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

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 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.

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Cheap flights from Chiang Rai to London from £751

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Chiang Rai to London departing on 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Chiang Rai to London

Cheap return flights

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Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Thai Airways flights from Chiang Rai to London

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

momondo Fare Finder

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

When to book flights from Chiang Rai to London

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Chiang Rai to London

Frequently asked questions about flying from Chiang Rai to London

Travelling to a place near London?

Why use momondo?

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Fly your favourite airline to London

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to London

List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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Popular flights according to clicks in the last 7 days on momondo

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