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 January 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.

£455 Cheap Flights from London to Chiang Rai in 2026

1 adult

0 bags

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Find the cheapest flights from London to Chiang Rai

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

10:30 - 19:25

LGW

CEI

25h 55m

2 stops

15:20 - 14:00

CEI

LGW

29h 40m

2 stops

£455Multiple Airlines

Wed, 11 Mar - Wed, 18 Mar

08:45 - 15:55

LHR

CEI

24h 10m

2 stops

16:25 - 11:05

CEI

LHR

25h 40m

2 stops

£548Multiple Airlines

Wed, 11 Mar - Wed, 18 Mar

08:30 - 15:55

STN

CEI

24h 25m

3 stops

16:25 - 22:35

CEI

STN

37h 10m

3 stops

£576Multiple Airlines

Wed, 11 Mar - Wed, 18 Mar

16:00 - 15:55

LGW

CEI

16h 55m

1 stop

08:40 - 18:30

CEI

LGW

16h 50m

1 stop

£593Multiple Airlines

Wed, 11 Mar - Wed, 18 Mar

10:30 - 15:55

LGW

CEI

22h 25m

2 stops

08:40 - 18:30

CEI

LGW

16h 50m

1 stop

£606Multiple Airlines

Wed, 11 Mar - Wed, 18 Mar

11:20 - 08:05

LHR

CEI

38h 45m

1 stop

15:45 - 15:45

CEI

LHR

30h 00m

1 stop

£726Singapore Airlines

Sun, 3 May - Thu, 11 Jun

22:05 - 08:05

LHR

CEI

28h 00m

1 stop

15:45 - 19:30

CEI

LHR

33h 45m

1 stop

£731Singapore Airlines

Sun, 3 May - Thu, 11 Jun

09:00 - 18:20

LHR

CEI

27h 20m

2 stops

10:10 - 06:25

CEI

LHR

26h 15m

2 stops

£745Multiple Airlines

Sun, 3 May - Thu, 11 Jun

19:50 - 15:55

LHR

CEI

37h 05m

2 stops

20:00 - 06:40

CEI

LHR

17h 40m

1 stop

£748Multiple Airlines

Wed, 11 Mar - Wed, 18 Mar

15:05 - 18:20

LHR

CEI

21h 15m

2 stops

18:55 - 13:15

CEI

LHR

24h 20m

2 stops

£750Multiple Airlines

Sun, 3 May - Thu, 11 Jun

Singapore Airlines flights from London to Chiang Rai

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

Singapore Airlines

3 May

LHR11:20London Heathrow

38h 45m

1 stop

CEI08:05Chiang Rai

11 Jun

CEI15:45Chiang Rai

30h 00m

1 stop

LHR15:45London Heathrow

£726

Singapore Airlines

3 May

LHR22:05London Heathrow

28h 00m

1 stop

CEI08:05Chiang Rai

11 Jun

CEI15:45Chiang Rai

33h 45m

1 stop

LHR19:30London Heathrow

£731

Singapore Airlines

14 May

LHR22:05London Heathrow

28h 00m

1 stop

CEI08:05Chiang Rai

18 May

CEI19:30Chiang Rai

26h 15m

1 stop

LHR15:45London Heathrow

£1,333

Thai Airways flights from London to Chiang Rai

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

Thai Airways

11 Feb

LHR11:50London Heathrow

14h 50m

1 stop

CEI09:40Chiang Rai

11 Mar

CEI10:15Chiang Rai

16h 20m

1 stop

LHR19:35London Heathrow

£979

Thai Airways

11 Feb

LHR11:50London Heathrow

19h 05m

1 stop

CEI13:55Chiang Rai

11 Mar

CEI18:55Chiang Rai

18h 45m

1 stop

LHR06:40London Heathrow

£1,011

Fly from

Fly to

Route

Depart

Return

Price

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Wed 11/3

10:30-19:25

2 stops25h 55m

Chiang Rai

Wed 18/3

15:20-14:00

2 stops29h 40m

£455

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Wed 11/3

08:45-15:55

2 stops24h 10m

Chiang Rai

Wed 18/3

16:25-11:05

2 stops25h 40m

£548

LondonChiang Rai

STN - CEI

STNCEI

London Stansted

Wed 11/3

08:30-15:55

3 stops24h 25m

Chiang Rai

Wed 18/3

16:25-22:35

3 stops37h 10m

£576

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Wed 11/3

16:00-15:55

1 stop16h 55m

Chiang Rai

Wed 18/3

08:40-18:30

1 stop16h 50m

£593

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Wed 11/3

10:30-15:55

2 stops22h 25m

Chiang Rai

Wed 18/3

08:40-18:30

1 stop16h 50m

£606

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

11:20-08:05

1 stop38h 45m

Chiang Rai

Thu 11/6

15:45-15:45

1 stop30h 00m

£726

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

22:05-08:05

1 stop28h 00m

Chiang Rai

Thu 11/6

15:45-19:30

1 stop33h 45m

£731

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

09:00-18:20

2 stops27h 20m

Chiang Rai

Thu 11/6

10:10-06:25

2 stops26h 15m

£745

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Wed 11/3

19:50-15:55

2 stops37h 05m

Chiang Rai

Wed 18/3

20:00-06:40

1 stop17h 40m

£748

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

15:05-18:20

2 stops21h 15m

Chiang Rai

Thu 11/6

18:55-13:15

2 stops24h 20m

£750

Flights are sorted by cheapest return flights first.

Sorted 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

Which airlines fly to Chiang Rai?

Thai Airways, Etihad Airways and China Eastern 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 44% of people opting to fly with this airline when travelling to Chiang Rai. Keep in mind that there are 9 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

Fastest flight time	21h 30m
Direct flights	None

The fastest flight from London to Chiang Rai takes 21h 30m

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

Search flight deals

How far is London to Chiang Rai by plane?
Chiang Rai is 5557.2 mi away from London. By plane, this route typically takes 21h 30m.
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 January 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 £722	Free Cancellation	Rating 7.8 380 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.