How long is the flight from London to Chiang Rai?

Gulf Air can get you from London to Chiang Rai in just under 33h 15m. Your travel time can differ by up to . Airlines will cover a distance of 5571 mi.

What are the most popular routes from London to Chiang Rai?

Most travelers choose London Gatwick - Chiang Rai, London Heathrow - Chiang Rai or London Stansted - Chiang Rai when deciding on the best route from London to Chiang Rai.

What is the cheapest time of day to fly from LON to CEI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Chiang Rai as you normally would.

What airport do you fly into for flights to Chiang Rai from London?

Located just 4.5 mi from the city center, Chiang Rai is the airport most travelers will use when flying to Chiang Rai from London. Booking flights from London to Chiang Rai (CEI) should be relatively easy as there are 0 daily inbound flights from London from 1 airline.

Can I find deals for flights from London to Chiang Rai that include hotel bookings?

Yes. In addition to deals on London to Chiang Rai flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to Chiang Rai?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Chiang Rai.

Can I find deals for business class flights from London to Chiang Rai?

Yes. Cheapflights offers flight deals from London to Chiang Rai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£302+ Cheap Flights from London to Chiang Rai

Cheap flight deals from London to Chiang Rai

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from London to Chiang Rai
Explore the most affordable flight options available from London to Chiang Rai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Sun 8/1109:30 -

2 stops25h 50m

Thu 12/1110:15 -

2 stops27h 20m

Deal found 13/10£751

Fri 16/1005:55 -

3 stops29h 25m

Fri 23/1014:40 -

3 stops25h 15m

Deal found 15/10£875

Fri 11/1209:30 -

2 stops25h 50m

Mon 21/1214:25 -

2 stops31h 20m

Deal found 10/10£908

Mon 9/1121:20 -

1 stop33h 35m

Thu 12/1114:25 -

1 stop35h 40m

Deal found 10/10£916

Fri 11/1211:50 -

1 stop23h 30m

Mon 21/1210:15 -

1 stop16h 20m

Deal found 10/10£935

Mon 21/1211:50 -

1 stop14h 50m

Thu 31/1214:25 -

1 stop36h 10m

Deal found 13/10£955

Sun 8/1121:20 -

1 stop29h 20m

Thu 12/1114:25 -

1 stop35h 40m

Deal found 12/10£965

Fri 11/1206:25 -

2 stops20h 15m

Mon 21/1210:15 -

1 stop16h 20m

Deal found 10/10£1,079

Fri 16/1016:45 -

2 stops40h 10m

Fri 23/1015:25 -

1 stop21h 50m

Deal found 15/10£1,093

Thu 24/1222:30 -

2 stops26h 45m

Tue 29/1208:30 -

1 stop18h 05m

Deal found 13/10£1,120

Thu 24/1222:30 -

2 stops26h 45m

Mon 28/1208:30 -

1 stop18h 05m

Deal found 13/10£1,126

Fri 11/1214:05 -

2 stops21h 15m

Mon 21/1218:55 -

2 stops24h 10m

Deal found 10/10£1,366

Best flights from London to Chiang Rai
Discover carefully curated flight deals from London to Chiang Rai that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Mon 18/121:40 -

2 stops33h 15m

Wed 10/210:15 -

2 stops27h 20m

Deal found 13/10£737

Fri 29/109:30 -

2 stops21h 25m

Sun 28/218:55 -

2 stops32h 35m

Deal found 12/10£746

Fri 29/111:50 -

1 stop23h 30m

Sun 28/218:55 -

1 stop18h 45m

Deal found 12/10£909

Mon 9/1121:20 -

1 stop33h 35m

Thu 12/1114:25 -

1 stop35h 40m

Deal found 10/10£916

Sun 8/1109:30 -

2 stops25h 50m

Thu 12/1110:15 -

2 stops27h 20m

Deal found 11/10£751

Mon 18/108:25 -

2 stops18h 15m

Wed 10/210:15 -

1 stop16h 20m

Deal found 13/10£920

Fri 11/1211:50 -

1 stop23h 30m

Mon 21/1210:15 -

1 stop16h 20m

Deal found 10/10£935

Sun 8/1121:20 -

1 stop29h 20m

Thu 12/1114:25 -

1 stop35h 40m

Deal found 13/10£965

Fri 29/114:05 -

2 stops21h 15m

Sun 28/218:55 -

2 stops24h 10m

Deal found 12/10£978

Fri 11/1214:05 -

2 stops21h 15m

Mon 21/1218:55 -

2 stops24h 10m

Deal found 10/10£1,366

Sun 20/1217:20 -

2 stops33h 20m

Fri 1/110:15 -

2 stops30h 40m

Deal found 13/10£4,492

Sat 19/1217:20 -

2 stops33h 20m

Fri 1/110:15 -

2 stops30h 40m

Deal found 13/10£5,343

Mon 18/110:55 -

2 stops20h 00m

Wed 10/210:15 -

2 stops30h 40m

Deal found 13/10£5,976

Sat 19/1210:55 -

2 stops20h 00m

Sat 2/114:25 -

2 stops26h 30m

Deal found 11/10£6,370

Thu 24/1217:20 -

2 stops57h 20m

Fri 1/114:25 -

2 stops26h 30m

Deal found 13/10£6,914

Mon 23/1110:55 -

2 stops39h 45m

Thu 26/1110:15 -

2 stops30h 40m

Deal found 14/10£8,359

Find flight deals from London to Chiang Rai

Round-trip from	£737
One-way from	£302

Gulf Air
18/1-10/2
4 total stops
60h 35m total
London to Chiang Rai

Search Deals

4/3-31/12
3 total stops
42h 50m total
London to Chiang Rai

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChiang Rai

STN London Stansted - CEI Chiang Rai

STNCEI

London Stansted

Thu 4/3

06:25-08:15

3 stops42h 50m

Chiang Rai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£302

LondonChiang Rai

STN London Stansted - CEI Chiang Rai

STNCEI

London Stansted

Thu 18/3

08:35-16:10

3 stops48h 35m

Chiang Rai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£320

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Thu 4/3

19:50-16:10

2 stops37h 20m

Chiang Rai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£347

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Thu 18/3

18:00-20:45

3 stops43h 45m

Chiang Rai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£377

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Mon 28/12

21:00-09:40

3 stops53h 40m

Chiang Rai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£526

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Thu 4/3

11:50-18:20

1 stop23h 30m

Chiang Rai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£572

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Thu 4/3

21:20-09:40

1 stop29h 20m

Chiang Rai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£581

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Mon 18/1

21:40-13:55

2 stops33h 15m

Chiang Rai

Wed 10/2

10:15-06:35

2 stops27h 20m

£737

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Fri 29/1

09:30-13:55

2 stops21h 25m

Chiang Rai

Sun 28/2

18:55-20:30

2 stops32h 35m

£746

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Sun 8/11

09:30-18:20

2 stops25h 50m

Chiang Rai

Thu 12/11

10:15-06:35

2 stops27h 20m

£751

Flights are sorted by cheapest return flights first.

Deals found on 12/10

Showing 1-10 of 24 resultsSorted by cheapest first

Best time to book a flight from London to Chiang Rai

Have a flexible travel schedule? Discover the best time to fly to Chiang Rai from London with our price prediction graph.

LON-CEI

STN-CEI

LHR-CEI

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Chiang Rai

LON-CEI

STN-CEI

LHR-CEI

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Chiang Rai

Get a feel of what it's like to fly with Thai Airways from London to Chiang Rai by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Thai Airways

7.9

Good

427 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Thai Airways

7.9

Good

427 reviews

Thai Airways

7.9

Good

427 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Related info for your journey

What airport do you fly into for flights to Chiang Rai from London?
Located just 4.5 mi from the city center, Chiang Rai is the airport most travelers will use when flying to Chiang Rai from London. Booking flights from London to Chiang Rai (CEI) should be relatively easy as there are 0 daily inbound flights from London from 1 airline.
How long is the flight from London to Chiang Rai?
Gulf Air can get you from London to Chiang Rai in just under 33h 15m. Your travel time can differ by up to . Airlines will cover a distance of 5571 mi.
What are the most popular routes from London to Chiang Rai?
Most travelers choose London Gatwick - Chiang Rai, London Heathrow - Chiang Rai or London Stansted - Chiang Rai when deciding on the best route from London to Chiang Rai.
Can I find deals for flights from London to Chiang Rai that include hotel bookings?
Yes. In addition to deals on London to Chiang Rai flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Chiang Rai?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Chiang Rai.
Can I find deals for business class flights from London to Chiang Rai?
Yes. Cheapflights offers flight deals from London to Chiang Rai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Chiang Rai flight routes

Complete your trip

Direct flights to Thailand

Flights by cabin class

Other flight options

Other flights from London

Popular flights

Top destinations

Alternative routes for London to Chiang Rai

Heathrow to Suvarnabhumi flights

Gatwick to Suvarnabhumi flights

Stansted to Suvarnabhumi flights

London City to Suvarnabhumi flights

Heathrow to Don Mueang Intl flights

Gatwick to Don Mueang Intl flights

Luton to Suvarnabhumi flights

Manchester to Suvarnabhumi flights

Heathrow to Phuket City flights

Manchester to Don Mueang Intl flights

Gatwick to Phuket City flights

Stansted to Phuket City flights

London City to Phuket City flights

Birmingham to Suvarnabhumi flights

Southend to Suvarnabhumi flights

Manchester to Phuket City flights

Birmingham to Don Mueang Intl flights

Luton to Phuket City flights

Newcastle upon Tyne to Suvarnabhumi flights

Edinburgh to Suvarnabhumi flights

Heathrow to Ko Samui flights

Newcastle upon Tyne to Don Mueang Intl flights

Edinburgh to Don Mueang Intl flights

Gatwick to Ko Samui flights

Heathrow to Krabi flights

Heathrow to Chiang Mai flights

Gatwick to Krabi flights

Stansted to Krabi flights

Stansted to Ko Samui flights

London City to Ko Samui flights

Gatwick to Chiang Mai flights

London City to Krabi flights

London City to Chiang Mai flights

Birmingham to Phuket City flights

Stansted to Chiang Mai flights

Edinburgh to Phuket City flights

Bristol to Suvarnabhumi flights

Southampton to Suvarnabhumi flights

Manchester to Ko Samui flights

Norwich to Suvarnabhumi flights

Leeds to Suvarnabhumi flights

Manchester to Krabi flights

Newcastle upon Tyne to Phuket City flights

Luton to Chiang Mai flights

Luton to Ko Samui flights

Heathrow to Udon Thani flights

Liverpool to Suvarnabhumi flights

Luton to Krabi flights

Top airline flying from London to Chiang Rai

Airline	Cheapest	Average	Flexibility	On-time
Thai Airways	Cheapest£926	Average£1,232	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to Chiang Rai?

Cheapflights helps you search for flights from London to Chiang Rai via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to Chiang Rai?

Cheapflights simply makes it quick and affordable to book flights from London to Chiang Rai by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from London to Chiang Rai with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Chiang Rai flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to Chiang Rai become cheaper?

Yes, Cheapflights offers price alerts on London to Chiang Rai flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London to Chiang Rai from £302

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Chiang Rai

Cheapest flights from London to Chiang RaiExplore the most affordable flight options available from London to Chiang Rai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Explore the most affordable flight options available from London to Chiang Rai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Best flights from London to Chiang RaiDiscover carefully curated flight deals from London to Chiang Rai that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Discover carefully curated flight deals from London to Chiang Rai that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Last-minute flights from London to Chiang RaiDiscover last-minute flight deals from London to Chiang Rai. Data last updated 15 October 2026 and is based on user searches.

Discover last-minute flight deals from London to Chiang Rai. Data last updated 15 October 2026 and is based on user searches.

One-way flights from London to Chiang RaiSearch for one-way flight options from London to Chiang Rai. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.

Search for one-way flight options from London to Chiang Rai. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.

Find flight deals from London to Chiang Rai

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Chiang Rai that are best for you.

Best time to book a flight from London to Chiang Rai

Have a flexible travel schedule? Discover the best time to fly to Chiang Rai from London with our price prediction graph.

Cheapflights Insights

Reviews of airlines servicing Chiang Rai

Get a feel of what it's like to fly with Thai Airways from London to Chiang Rai by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Chiang Rai from London?

How long is the flight from London to Chiang Rai?

What are the most popular routes from London to Chiang Rai?

Can I find deals for flights from London to Chiang Rai that include hotel bookings?

How can I find direct flights from London to Chiang Rai?

Can I find deals for business class flights from London to Chiang Rai?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Chiang Rai

See prices for flight routes from nearby airports that may be better suited for you.

Other flights to Chiang Rai

Explore flights to Chiang Rai departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 15 October 2026.

Complete your trip

Complete your trip to Chiang Rai by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Thailand

Book a non-stop flight to one of these other cities located in Thailand.

Search flights from London to Chiang Rai by cabin class

Find flights from London to Chiang Rai, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and Chiang Rai flights

Browse other London and Chiang Rai flight options. Last updated on 15 October 2026.

Other flights from London

Browse through other flights departing from London. Flights are based on user searches made on Cheapflights and were last updated on 15 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

London to Chiang Rai flights

Consider these flights travelling from London to Chiang Rai.

Top airline flying from London to Chiang Rai

Fly with Cheapflights

How does Cheapflights help users find flights from London to Chiang Rai?

Why should you use Cheapflights to find cheap flight tickets from London to Chiang Rai?

Can Cheapflights find flights from London to Chiang Rai with no change fees?

Can Cheapflights notify me if prices for flights from London to Chiang Rai become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from London to Chiang Rai
Explore the most affordable flight options available from London to Chiang Rai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 October 2026.

Best flights from London to Chiang Rai
Discover carefully curated flight deals from London to Chiang Rai that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 October 2026.

Last-minute flights from London to Chiang Rai
Discover last-minute flight deals from London to Chiang Rai. Data last updated 15 October 2026 and is based on user searches.

One-way flights from London to Chiang Rai
Search for one-way flight options from London to Chiang Rai. Find affordable one-way fares based on user searches. Data last updated 15 October 2026.