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 39% of people opting to fly with this airline when travelling to Chiang Rai. Keep in mind that there are 8 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?

Singapore Airlines 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 April 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.

£341 Cheap Flights from London to Chiang Rai in 2026

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Find the cheapest flights from London to Chiang Rai

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

22:10 - 07:55

LHR

CEI

27h 45m

2 stops

08:25 - 07:30

CEI

LHR

29h 05m

2 stops

£506Multiple Airlines

Tue, 9 Jun - Tue, 16 Jun

09:15 - 13:10

LGW

CEI

21h 55m

2 stops

13:40 - 06:40

CEI

LGW

23h 00m

2 stops

£634Multiple Airlines

Tue, 9 Jun - Tue, 16 Jun

22:15 - 07:55

LGW

CEI

27h 40m

1 stop

08:25 - 06:40

CEI

LGW

28h 15m

2 stops

£814Multiple Airlines

Tue, 9 Jun - Tue, 16 Jun

16:20 - 15:55

LGW

CEI

16h 35m

1 stop

08:40 - 18:45

CEI

LGW

17h 05m

1 stop

£849Multiple Airlines

Sun, 25 Oct - Mon, 23 Nov

16:20 - 14:50

LGW

CEI

15h 30m

1 stop

08:40 - 18:45

CEI

LGW

17h 05m

1 stop

£857Multiple Airlines

Sun, 25 Oct - Mon, 23 Nov

16:20 - 15:55

LGW

CEI

16h 35m

1 stop

08:40 - 22:25

CEI

LGW

20h 45m

1 stop

£898Multiple Airlines

Sun, 25 Oct - Thu, 26 Nov

16:20 - 15:55

LGW

CEI

16h 35m

1 stop

08:40 - 18:05

CEI

LGW

16h 25m

1 stop

£919Multiple Airlines

Sun, 25 Oct - Wed, 25 Nov

22:00 - 08:10

LHR

CEI

27h 10m

2 stops

08:40 - 19:05

CEI

LHR

17h 25m

1 stop

£930Multiple Airlines

Sun, 25 Oct - Wed, 25 Nov

16:20 - 13:55

LGW

CEI

14h 35m

1 stop

08:40 - 18:05

CEI

LGW

16h 25m

1 stop

£943Multiple Airlines

Sun, 25 Oct - Wed, 25 Nov

11:50 - 13:55

LHR

CEI

19h 05m

1 stop

18:55 - 06:40

CEI

LHR

18h 45m

1 stop

£1,175Thai Airways

Sun, 25 Oct - Wed, 25 Nov

Thai Airways flights from London to Chiang Rai

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

Thai Airways

25 Oct

LHR11:50London Heathrow

19h 05m

1 stop

CEI13:55Chiang Rai

25 Nov

CEI18:55Chiang Rai

18h 45m

1 stop

LHR06:40London Heathrow

£1,175

Thai Airways

9 Jun

LHR12:30London Heathrow

15h 10m

1 stop

CEI09:40Chiang Rai

16 Jun

CEI18:55Chiang Rai

18h 20m

1 stop

LHR07:15London Heathrow

£1,184

Thai Airways

25 Oct

LHR11:50London Heathrow

14h 50m

1 stop

CEI09:40Chiang Rai

27 Nov

CEI10:15Chiang Rai

16h 20m

1 stop

LHR19:35London Heathrow

£1,198

Singapore Airlines flights from London to Chiang Rai

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

Singapore Airlines

25 Oct

LHR09:10London Heathrow

26h 40m

1 stop

CEI18:50Chiang Rai

23 Nov

CEI19:25Chiang Rai

19h 15m

1 stop

LHR07:40London Heathrow

£1,278

Singapore Airlines

25 Oct

LHR09:10London Heathrow

26h 40m

1 stop

CEI18:50Chiang Rai

23 Nov

CEI19:25Chiang Rai

19h 15m

1 stop

LHR07:40London Heathrow

£1,280

Singapore Airlines

25 Oct

LGW09:25London Gatwick

26h 25m

1 stop

CEI18:50Chiang Rai

28 Nov

CEI08:35Chiang Rai

28h 50m

1 stop

LGW06:25London Gatwick

£1,488

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Tue 9/6

22:10-07:55

2 stops27h 45m

Chiang Rai

Tue 16/6

08:25-07:30

2 stops29h 05m

£506

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Tue 9/6

09:15-13:10

2 stops21h 55m

Chiang Rai

Tue 16/6

13:40-06:40

2 stops23h 00m

£634

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Tue 9/6

22:15-07:55

1 stop27h 40m

Chiang Rai

Tue 16/6

08:25-06:40

2 stops28h 15m

£814

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Sun 25/10

16:20-15:55

1 stop16h 35m

Chiang Rai

Mon 23/11

08:40-18:45

1 stop17h 05m

£849

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Sun 25/10

16:20-14:50

1 stop15h 30m

Chiang Rai

Mon 23/11

08:40-18:45

1 stop17h 05m

£857

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Sun 25/10

16:20-15:55

1 stop16h 35m

Chiang Rai

Thu 26/11

08:40-22:25

1 stop20h 45m

£898

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Sun 25/10

16:20-15:55

1 stop16h 35m

Chiang Rai

Wed 25/11

08:40-18:05

1 stop16h 25m

£919

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 25/10

22:00-08:10

2 stops27h 10m

Chiang Rai

Wed 25/11

08:40-19:05

1 stop17h 25m

£930

Fastest return journey

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Sun 25/10

16:20-13:55

1 stop14h 35m

Chiang Rai

Wed 25/11

08:40-18:05

1 stop16h 25m

£943

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 25/10

11:50-13:55

1 stop19h 05m

Chiang Rai

Wed 25/11

18:55-06:40

1 stop18h 45m

£1,175

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 month to fly to Chiang Rai?

If you aren’t able to travel during the month of July, then book flights to Chiang Rai from London during June instead. Flights to Chiang Rai in June, while not as cheap as those in July, still average around £0.

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 10m
Direct flights	None

The fastest flight from London to Chiang Rai takes 18h 10m

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 18h 10m.
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 April 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 £765	Free Cancellation	Rating 7.9 401 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.