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

Prices for flights from London to Chiang Rai Airport refresh daily.

How many operators does momondo search for flights from London to Chiang Rai Airport?

There is 1 operator available for flights from London to Chiang Rai Airport as of October 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Chiang Rai Airport.

What documentation or ID do you need to fly to Chiang Rai Airport?

The required travel and health documents for your Chiang Rai Airport 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 Chiang Rai Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£556 Cheap Flights from London to Chiang Rai in 2026/27

Find the cheapest flights from London to Chiang Rai

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

10:30 - 19:25LGW London Gatwick-CEI Chiang Rai

25h 55m2 stops Shanghai Pu Dong Bangkok Suvarnabhumi

20:00 - 14:00CEI Chiang Rai-LGW London Gatwick

25h 00m2 stops Bangkok Suvarnabhumi Shanghai Pu Dong

£584Multiple Airlines

Wed, 13 Jan - Sat, 30 Jan

10:40 - 14:50LGW London Gatwick-CEI Chiang Rai

45h 10m2 stops Shanghai Pu Dong Bangkok Suvarnabhumi

11:15 - 21:05CEI Chiang Rai-LGW London Gatwick

16h 50m1 stop Bangkok Suvarnabhumi

£600Multiple Airlines

Thu, 3 Dec - Thu, 10 Dec

09:50 - 18:20LGW London Gatwick-CEI Chiang Rai

25h 30m2 stops Guangzhou Baiyun Bangkok Suvarnabhumi

14:25 - 06:30CEI Chiang Rai-LGW London Gatwick

23h 05m2 stops Bangkok Suvarnabhumi Guangzhou Baiyun

£638Multiple Airlines

Thu, 25 Feb - Thu, 11 Mar

08:45 - 19:25LGW London Gatwick-CEI Chiang Rai

27h 40m2 stops Sharjah Bangkok Suvarnabhumi

20:00 - 15:35CEI Chiang Rai-LGW London Gatwick

26h 35m2 stops Bangkok Suvarnabhumi Sharjah

£643Multiple Airlines

Sun, 15 Nov - Sun, 22 Nov

17:00 - 10:35LGW London Gatwick-CEI Chiang Rai

34h 35m3 stops Shanghai Pu Dong Bangkok Suvarnabhumi Phuket City

14:25 - 14:00CEI Chiang Rai-LGW London Gatwick

30h 35m2 stops Bangkok Suvarnabhumi Shanghai Pu Dong

£654Multiple Airlines

Wed, 13 Jan - Sat, 30 Jan

10:30 - 19:25LGW London Gatwick-CEI Chiang Rai

25h 55m2 stops Shanghai Pu Dong Bangkok Suvarnabhumi

20:00 - 14:00CEI Chiang Rai-LGW London Gatwick

25h 00m2 stops Bangkok Suvarnabhumi Shanghai Pu Dong

£661Multiple Airlines

Thu, 19 Nov - Thu, 26 Nov

13:30 - 18:20LHR London Heathrow-CEI Chiang Rai

21h 50m2 stops Mumbai Chhatrapati Shivaji Intl Bangkok Suvarnabhumi

14:25 - 11:05CEI Chiang Rai-LHR London Heathrow

27h 40m2 stops Bangkok Suvarnabhumi Mumbai Chhatrapati Shivaji Intl

£670Multiple Airlines

Thu, 25 Feb - Thu, 11 Mar

10:40 - 07:55LGW London Gatwick-CEI Chiang Rai

38h 15m2 stops Shanghai Pu Dong Bangkok Suvarnabhumi

15:20 - 15:35CEI Chiang Rai-LGW London Gatwick

31h 15m1 stop Bangkok Suvarnabhumi

£674Multiple Airlines

Sun, 15 Nov - Sun, 22 Nov

11:50 - 09:40LHR London Heathrow-CEI Chiang Rai

14h 50m1 stop Bangkok Suvarnabhumi

10:15 - 19:35CEI Chiang Rai-LHR London Heathrow

16h 20m1 stop Bangkok Suvarnabhumi

£910Thai Airways

Fri, 6 Nov - Tue, 10 Nov

21:35 - 13:55LHR London Heathrow-CEI Chiang Rai

33h 20m1 stop Bangkok Suvarnabhumi

18:55 - 06:40CEI Chiang Rai-LHR London Heathrow

18h 45m1 stop Bangkok Suvarnabhumi

£935Thai Airways

Wed, 13 Jan - Sat, 30 Jan

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Gulf Air flights from London to Chiang Rai

Our best Gulf Air deals on London to Chiang Rai flight tickets

Gulf Air

25 Feb

LHR09:30London Heathrow

21h 25m

2 stops

CEI13:55Chiang Rai

11 Mar

CEI14:25Chiang Rai

31h 20m

2 stops

LHR14:45London Heathrow

£689

Gulf Air

6 Nov

LHR09:30London Heathrow

25h 50m

2 stops

CEI18:20Chiang Rai

10 Nov

CEI10:15Chiang Rai

35h 30m

2 stops

LHR14:45London Heathrow

£696

Gulf Air

3 Dec

LHR09:30London Heathrow

21h 25m

2 stops

CEI13:55Chiang Rai

10 Dec

CEI14:25Chiang Rai

31h 20m

2 stops

LHR14:45London Heathrow

£701

EVA Air flights from London to Chiang Rai

Our best EVA Air deals on London to Chiang Rai flight tickets

EVA Air

15 Nov

LHR21:20London Heathrow

29h 20m

1 stop

CEI09:40Chiang Rai

22 Nov

CEI14:25Chiang Rai

35h 40m

1 stop

LHR19:05London Heathrow

£809

EVA Air

23 Nov

LHR21:20London Heathrow

33h 35m

1 stop

CEI13:55Chiang Rai

26 Nov

CEI14:25Chiang Rai

35h 40m

1 stop

LHR19:05London Heathrow

£2,218

EVA Air

23 Nov

LHR21:20London Heathrow

33h 35m

1 stop

CEI13:55Chiang Rai

26 Nov

CEI14:25Chiang Rai

35h 40m

1 stop

LHR19:05London Heathrow

£2,221

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChiang Rai

LGW London Gatwick - CEI Chiang Rai

LGWCEI

London Gatwick

Wed 13/1

10:30-19:25

2 stops25h 55m

Chiang Rai

Sat 30/1

20:00-14:00

2 stops25h 00m

£584

LondonChiang Rai

LGW London Gatwick - CEI Chiang Rai

LGWCEI

London Gatwick

Thu 3/12

10:40-14:50

2 stops45h 10m

Chiang Rai

Thu 10/12

11:15-21:05

1 stop16h 50m

£600

LondonChiang Rai

LGW London Gatwick - CEI Chiang Rai

LGWCEI

London Gatwick

Thu 25/2

09:50-18:20

2 stops25h 30m

Chiang Rai

Thu 11/3

14:25-06:30

2 stops23h 05m

£638

LondonChiang Rai

LGW London Gatwick - CEI Chiang Rai

LGWCEI

London Gatwick

Sun 15/11

08:45-19:25

2 stops27h 40m

Chiang Rai

Sun 22/11

20:00-15:35

2 stops26h 35m

£643

LondonChiang Rai

LGW London Gatwick - CEI Chiang Rai

LGWCEI

London Gatwick

Wed 13/1

17:00-10:35

3 stops34h 35m

Chiang Rai

Sat 30/1

14:25-14:00

2 stops30h 35m

£654

LondonChiang Rai

LGW London Gatwick - CEI Chiang Rai

LGWCEI

London Gatwick

Thu 19/11

10:30-19:25

2 stops25h 55m

Chiang Rai

Thu 26/11

20:00-14:00

2 stops25h 00m

£661

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Thu 25/2

13:30-18:20

2 stops21h 50m

Chiang Rai

Thu 11/3

14:25-11:05

2 stops27h 40m

£670

LondonChiang Rai

LGW London Gatwick - CEI Chiang Rai

LGWCEI

London Gatwick

Sun 15/11

10:40-07:55

2 stops38h 15m

Chiang Rai

Sun 22/11

15:20-15:35

1 stop31h 15m

£674

Fastest return journey

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Fri 6/11

11:50-09:40

1 stop14h 50m

Chiang Rai

Tue 10/11

10:15-19:35

1 stop16h 20m

£910

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Wed 13/1

21:35-13:55

1 stop33h 20m

Chiang Rai

Sat 30/1

18:55-06:40

1 stop18h 45m

£935

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from London to Chiang Rai

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 airline that flies from London to Chiang Rai?

Singapore Airlines is the most popular carrier operating from London to Chiang Rai

Which airlines fly to Chiang Rai?

Thai Airways, Etihad Airways and Air China are the top three most popular airlines that fly to Chiang Rai from London according to our data. Thai Airways is the first choice among our users, with 35% of people opting to fly with this airline when travelling to Chiang Rai. Keep in mind that there are 7 different airlines that fly to Chiang Rai on a routine basis, so you have a few additional options to choose from.

When to book flights from London to Chiang Rai

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

Estimated return price

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

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

Best price found	£556
Fastest flight time	19h 20m
Direct flights	None

The best one-way flight to Chiang Rai from London in the past 72 hours is £556. The best return flight deal from London to Chiang Rai found on momondo in the last 72 hours is £584.

The fastest flight from London to Chiang Rai takes 19h 20m

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

Search flight deals

Frequently asked questions about flying from London to Chiang Rai

How far is London to Chiang Rai by plane?
Chiang Rai is 5557.2 mi away from London. By plane, this route typically takes 19h 20m.
When did momondo last update prices for flights from London to Chiang Rai Airport?
Prices for flights from London to Chiang Rai Airport refresh daily.
How many operators does momondo search for flights from London to Chiang Rai Airport?
There is 1 operator available for flights from London to Chiang Rai Airport as of October 2026.
How old do you have to be to fly from London to Chiang Rai Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Chiang Rai Airport.
What documentation or ID do you need to fly to Chiang Rai Airport?
The required travel and health documents for your Chiang Rai Airport 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 Chiang Rai Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from London to Chiang Rai?
momondo data reveals that the most frequently booked airline on the route from London to Chiang Rai is Thai Airways, representing 100% of all bookings.

Best airlines flying from London to Chiang Rai

Compare and see reviews for airlines that fly from London to Chiang Rai with momondo

Airline	Rating	Free Cancellation	Price
Thai Airways	PriceFrom £915	Free Cancellation	Rating 7.9 430 reviews		Search Thai Airways flights

Why use momondo?

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

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 Chiang Rai from London.

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

momondo does allow users to show only those flights to Chiang Rai from London which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chiang Rai from London.

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

Yes momondo offers price alerts on flights to Chiang Rai from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.