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 March 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.

£278 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

Cheap return flights

Enter your travel dates to find the best prices.

08:25 - 14:50

LHR

CEI

24h 25m

2 stops

08:30 - 06:30

CEI

LHR

28h 00m

2 stops

£626Multiple Airlines

Fri, 24 Apr - Fri, 1 May

09:30 - 14:50

LHR

CEI

23h 20m

2 stops

19:55 - 12:45

CEI

LHR

46h 50m

2 stops

£720Multiple Airlines

Tue, 7 Apr - Wed, 8 Apr

15:05 - 18:20

LHR

CEI

21h 15m

2 stops

10:10 - 06:35

CEI

LHR

26h 25m

2 stops

£727Multiple Airlines

Sun, 3 May - Thu, 11 Jun

15:05 - 18:20

LHR

CEI

21h 15m

2 stops

18:55 - 13:15

CEI

LHR

24h 20m

2 stops

£729Multiple Airlines

Sun, 3 May - Thu, 11 Jun

15:05 - 18:20

LHR

CEI

21h 15m

2 stops

13:40 - 06:25

CEI

LHR

22h 45m

2 stops

£730Multiple Airlines

Sun, 3 May - Thu, 11 Jun

09:00 - 18:20

LHR

CEI

27h 20m

2 stops

18:55 - 13:15

CEI

LHR

24h 20m

2 stops

£732Multiple Airlines

Sun, 3 May - Thu, 11 Jun

11:20 - 18:35

LHR

CEI

25h 15m

1 stop

16:25 - 18:10

CEI

LHR

31h 45m

2 stops

£831Multiple Airlines

Fri, 24 Apr - Fri, 1 May

09:25 - 18:45

LHR

CEI

27h 20m

1 stop

15:45 - 05:55

CEI

LHR

20h 10m

1 stop

£866Singapore Airlines

Sun, 3 May - Thu, 11 Jun

11:20 - 18:45

LHR

CEI

25h 25m

1 stop

15:45 - 05:55

CEI

LHR

20h 10m

1 stop

£867Singapore Airlines

Sun, 3 May - Thu, 11 Jun

09:25 - 18:45

LHR

CEI

27h 20m

1 stop

15:45 - 05:55

CEI

LHR

20h 10m

1 stop

£913Singapore 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

LHR09:25London Heathrow

27h 20m

1 stop

CEI18:45Chiang Rai

11 Jun

CEI15:45Chiang Rai

20h 10m

1 stop

LHR05:55London Heathrow

£866

Singapore Airlines

3 May

LHR11:20London Heathrow

25h 25m

1 stop

CEI18:45Chiang Rai

11 Jun

CEI15:45Chiang Rai

20h 10m

1 stop

LHR05:55London Heathrow

£867

Singapore Airlines

3 May

LHR09:25London Heathrow

27h 20m

1 stop

CEI18:45Chiang Rai

11 Jun

CEI15:45Chiang Rai

20h 10m

1 stop

LHR05:55London Heathrow

£913

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Fri 24/4

08:25-14:50

2 stops24h 25m

Chiang Rai

Fri 1/5

08:30-06:30

2 stops28h 00m

£626

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Tue 7/4

09:30-14:50

2 stops23h 20m

Chiang Rai

Wed 8/4

19:55-12:45

2 stops46h 50m

£720

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

15:05-18:20

2 stops21h 15m

Chiang Rai

Thu 11/6

10:10-06:35

2 stops26h 25m

£727

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

£729

Fastest return journey

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

15:05-18:20

2 stops21h 15m

Chiang Rai

Thu 11/6

13:40-06:25

2 stops22h 45m

£730

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

09:00-18:20

2 stops27h 20m

Chiang Rai

Thu 11/6

18:55-13:15

2 stops24h 20m

£732

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Fri 24/4

11:20-18:35

1 stop25h 15m

Chiang Rai

Fri 1/5

16:25-18:10

2 stops31h 45m

£831

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

09:25-18:45

1 stop27h 20m

Chiang Rai

Thu 11/6

15:45-05:55

1 stop20h 10m

£866

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

11:20-18:45

1 stop25h 25m

Chiang Rai

Thu 11/6

15:45-05:55

1 stop20h 10m

£867

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

09:25-18:45

1 stop27h 20m

Chiang Rai

Thu 11/6

15:45-05:55

1 stop20h 10m

£913

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

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 42% 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.

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	19h 10m
Direct flights	None

The fastest flight from London to Chiang Rai takes 19h 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

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 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 March 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 £753	Free Cancellation	Rating 7.8 392 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.