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

Most travelers choose London Heathrow - Chiang Rai, London Stansted - Chiang Rai or London Gatwick - 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.

£561+ 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 21 September 2026.

Tue 1/1222:30 -

2 stops33h 20m

Sun 20/1211:15 -

2 stops38h 55m

Deal found 19/9£561

Wed 30/910:00 -

3 stops24h 00m

Wed 14/1016:30 -

3 stops32h 05m

Deal found 20/9£620

Tue 1/1210:30 -

2 stops25h 55m

Sun 20/1211:15 -

2 stops33h 45m

Deal found 19/9£632

Wed 30/910:00 -

2 stops26h 20m

Wed 14/1013:40 -

2 stops31h 40m

Deal found 20/9£633

Sat 31/1008:25 -

2 stops23h 25m

Sat 7/1116:40 -

3 stops32h 30m

Deal found 16/9£655

Wed 4/1108:40 -

2 stops42h 00m

Wed 11/1114:25 -

2 stops22h 30m

Deal found 20/9£659

Wed 4/1114:15 -

2 stops21h 05m

Wed 11/1114:25 -

2 stops23h 00m

Deal found 20/9£683

Wed 18/1108:45 -

2 stops23h 05m

Sat 16/111:15 -

2 stops27h 30m

Deal found 20/9£714

Wed 30/922:10 -

2 stops34h 45m

Wed 14/1013:40 -

1 stop23h 35m

Deal found 20/9£746

Sat 31/1008:40 -

2 stops26h 40m

Sat 7/1110:15 -

2 stops26h 40m

Deal found 16/9£775

Wed 18/1110:55 -

2 stops20h 55m

Sat 16/111:15 -

2 stops53h 40m

Deal found 20/9£902

Wed 30/914:55 -

2 stops21h 25m

Wed 14/1018:55 -

2 stops24h 05m

Deal found 20/9£928

Find flight deals from London to Chiang Rai

Round-trip from	£561
One-way from	£375

1/12-20/12
4 total stops
72h 15m total
London to Chiang Rai

Search Deals

24/1-31/12
2 total stops
26h 55m total
London to Chiang Rai

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChiang Rai

LGW London Gatwick - CEI Chiang Rai

LGWCEI

London Gatwick

Wed 30/9

10:00-16:00

3 stops24h 00m

Chiang Rai

Wed 14/10

16:30-18:35

3 stops32h 05m

£620

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Sat 31/10

08:25-14:50

2 stops23h 25m

Chiang Rai

Sat 7/11

16:40-18:10

3 stops32h 30m

£655

LondonChiang Rai

LGW London Gatwick - CEI Chiang Rai

LGWCEI

London Gatwick

Wed 4/11

08:40-09:40

2 stops42h 00m

Chiang Rai

Wed 11/11

14:25-05:55

2 stops22h 30m

£659

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Tue 1/12

06:00-10:45

3 stops21h 45m

Chiang Rai

Sun 20/12

13:25-09:20

3 stops26h 55m

£738

LondonChiang Rai

LGW London Gatwick - CEI Chiang Rai

LGWCEI

London Gatwick

Sat 31/10

08:40-18:20

2 stops26h 40m

Chiang Rai

Sat 7/11

10:15-05:55

2 stops26h 40m

£775

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Wed 4/11

21:10-07:55

2 stops27h 45m

Chiang Rai

Wed 11/11

20:00-06:40

1 stop17h 40m

£780

LondonChiang Rai

LGW London Gatwick - CEI Chiang Rai

LGWCEI

London Gatwick

Tue 1/12

12:40-10:45

1 stop15h 05m

Chiang Rai

Sun 20/12

08:30-15:35

1 stop38h 05m

£852

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Sat 31/10

11:50-09:40

1 stop14h 50m

Chiang Rai

Sat 7/11

10:15-19:35

1 stop16h 20m

£913

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Sat 20/2

16:30-18:20

3 stops42h 50m

Chiang Rai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£1,000

LondonChiang Rai

STN London Stansted - CEI Chiang Rai

STNCEI

London Stansted

Wed 4/11

14:05-18:20

2 stops21h 15m

Chiang Rai

Wed 11/11

18:55-12:05

2 stops24h 10m

£1,052

Flights are sorted by cheapest return flights first.

Deals found on 18/9

Showing 1-10 of 27 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

LHR-CEI

STN-CEI

LGW-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

LHR-CEI

STN-CEI

LGW-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

420 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Thai Airways

7.9

Good

420 reviews

Thai Airways

7.9

Good

420 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Virendra,Jan 2026

DEL - BKK

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.
What are the most popular routes from London to Chiang Rai?
Most travelers choose London Heathrow - Chiang Rai, London Stansted - Chiang Rai or London Gatwick - 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

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Alternative routes for London to Chiang Rai

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Top airline flying from London to Chiang Rai

Airline	Cheapest	Average	Flexibility	On-time
Thai Airways	Cheapest£912	Average£1,214	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

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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.

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Cheap flights from London to Chiang Rai from £561

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. 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 21 September 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 21 September 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 21 September 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 21 September 2026.

Last-minute flights from London to Chiang RaiDiscover last-minute flight deals from London to Chiang Rai. Data last updated 21 September 2026 and is based on user searches.

Discover last-minute flight deals from London to Chiang Rai. Data last updated 21 September 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 21 September 2026.

Search for one-way flight options from London to Chiang Rai. Find affordable one-way fares based on user searches. Data last updated 21 September 2026.

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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?

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 21 September 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 21 September 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 21 September 2026.

Popular flight searches

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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?

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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 21 September 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 21 September 2026.

Last-minute flights from London to Chiang Rai
Discover last-minute flight deals from London to Chiang Rai. Data last updated 21 September 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 21 September 2026.