Which airlines fly to Chiang Rai?

Thai Airways, China Eastern and Etihad Airways 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 48% of people opting to fly with this airline when travelling to Chiang Rai. Keep in mind that there are 10 different airlines that fly to Chiang Rai on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from London to Chiang Rai?

Thai Airways is the most popular carrier operating from London to Chiang Rai

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 December 2025.

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.

£414 Cheap Flights from London to Chiang Rai in 2025/26

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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 55m2 stops

08:30 - 14:00

CEI

LGW

36h 30m2 stops

£477Multiple Airlines

Sun, 25 Jan - Sun, 1 Feb

08:25 - 14:50

LHR

CEI

23h 25m2 stops

20:00 - 18:25

CEI

LHR

53h 25m2 stops

£635Multiple Airlines

Sun, 25 Jan - Sun, 1 Feb

10:30 - 15:55

LGW

CEI

22h 25m2 stops

10:15 - 06:30

CEI

LGW

27h 15m3 stops

£665Multiple Airlines

Sun, 25 Jan - Sun, 1 Feb

17:00 - 07:55

LGW

CEI

31h 55m2 stops

18:55 - 18:30

CEI

LGW

30h 35m1 stop

£677Multiple Airlines

Sun, 25 Jan - Sun, 1 Feb

16:10 - 15:55

LGW

CEI

16h 45m1 stop

18:55 - 18:30

CEI

LGW

30h 35m1 stop

£725Multiple Airlines

Sun, 25 Jan - Sun, 1 Feb

11:25 - 18:50

LHR

CEI

25h 25m1 stop

19:25 - 19:30

CEI

LHR

30h 05m1 stop

£833Singapore Airlines

Sun, 3 May - Thu, 11 Jun

20:35 - 08:00

LHR

CEI

29h 25m1 stop

19:25 - 19:30

CEI

LHR

30h 05m1 stop

£834Singapore Airlines

Sun, 3 May - Thu, 11 Jun

11:50 - 18:20

LHR

CEI

23h 30m1 stop

18:55 - 19:35

CEI

LHR

31h 40m1 stop

£854Thai Airways

Sun, 25 Jan - Sun, 1 Feb

11:50 - 13:55

LHR

CEI

19h 05m1 stop

18:55 - 06:40

CEI

LHR

18h 45m1 stop

£945Thai Airways

Wed, 11 Feb - Wed, 11 Mar

11:50 - 18:20

LHR

CEI

23h 30m1 stop

18:55 - 06:40

CEI

LHR

18h 45m1 stop

£945Thai Airways

Wed, 11 Feb - Wed, 11 Mar

Singapore Airlines flights from London to Chiang Rai

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

Singapore Airlines

3 May

LHR11:25London Heathrow

25h 25m

1 stop

CEI18:50Chiang Rai

11 Jun

CEI19:25Chiang Rai

30h 05m

1 stop

LHR19:30London Heathrow

£833

Find similar

Singapore Airlines

3 May

LHR20:35London Heathrow

29h 25m

1 stop

CEI08:00Chiang Rai

11 Jun

CEI19:25Chiang Rai

30h 05m

1 stop

LHR19:30London Heathrow

£834

Find similar

Thai Airways flights from London to Chiang Rai

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

Thai Airways

25 Jan

LHR11:50London Heathrow

23h 30m

1 stop

CEI18:20Chiang Rai

1 Feb

CEI18:55Chiang Rai

31h 40m

1 stop

LHR19:35London Heathrow

£854

Find similar

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

£945

Find similar

Thai Airways

11 Feb

LHR11:50London Heathrow

23h 30m

1 stop

CEI18:20Chiang Rai

11 Mar

CEI18:55Chiang Rai

18h 45m

1 stop

LHR06:40London Heathrow

£945

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Sun 25/1

10:30-19:25

2 stops25h 55m

Chiang Rai

Sun 1/2

08:30-14:00

2 stops36h 30m

£477

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 25/1

08:25-14:50

2 stops23h 25m

Chiang Rai

Sun 1/2

20:00-18:25

2 stops53h 25m

£635

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Sun 25/1

10:30-15:55

2 stops22h 25m

Chiang Rai

Sun 1/2

10:15-06:30

3 stops27h 15m

£665

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Sun 25/1

17:00-07:55

2 stops31h 55m

Chiang Rai

Sun 1/2

18:55-18:30

1 stop30h 35m

£677

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Sun 25/1

16:10-15:55

1 stop16h 45m

Chiang Rai

Sun 1/2

18:55-18:30

1 stop30h 35m

£725

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

11:25-18:50

1 stop25h 25m

Chiang Rai

Thu 11/6

19:25-19:30

1 stop30h 05m

£833

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

20:35-08:00

1 stop29h 25m

Chiang Rai

Thu 11/6

19:25-19:30

1 stop30h 05m

£834

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 25/1

11:50-18:20

1 stop23h 30m

Chiang Rai

Sun 1/2

18:55-19:35

1 stop31h 40m

£854

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Wed 11/2

11:50-13:55

1 stop19h 05m

Chiang Rai

Wed 11/3

18:55-06:40

1 stop18h 45m

£945

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Wed 11/2

11:50-18:20

1 stop23h 30m

Chiang Rai

Wed 11/3

18:55-06:40

1 stop18h 45m

£945

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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

Prices

Airlines

What is the cheapest day to depart on your flight to Chiang Rai?

The cheapest day to depart from London to Chiang Rai is on a Friday. Travellers who choose to depart for Chiang Rai on a Friday will often find tickets for as low as £802. On the other hand, Thursday is the most expensive day to depart from London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £953.

What is the cheapest time of day to depart on your flight to Chiang Rai?

In the evening is the cheapest time of day to fly from London to Chiang Rai when you can find flight prices for as low as £843. Flying to Chiang Rai in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around £893. Of course, these prices can vary depending on the time of year and what airport you fly to.

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	18h 35m
Direct flights	None

The fastest flight from London to Chiang Rai takes 18h 35m

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 18h 35m.
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 December 2025.
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 £737	Free Cancellation	Rating 7.8 366 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.