How long is the flight from London to Chiang Rai?

Gulf Air can get you from London to Chiang Rai in just under 26h 20m. 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 Stansted - Chiang Rai, London Heathrow - 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.

£249+ 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 10 September 2026.

Mon 12/1012:35 -

2 stops24h 50m

Mon 19/1011:15 -

2 stops25h 20m

Deal found 6/9£536

Wed 30/910:00 -

2 stops26h 20m

Wed 14/1013:40 -

2 stops31h 40m

Deal found 10/9£671

Wed 30/909:00 -

2 stops22h 10m

Wed 14/1018:55 -

2 stops41h 45m

Deal found 6/9£692

Mon 12/1006:20 -

3 stops22h 25m

Mon 19/1015:25 -

3 stops24h 25m

Deal found 6/9£714

Mon 12/1015:05 -

2 stops21h 15m

Mon 19/1018:55 -

2 stops24h 20m

Deal found 6/9£726

Mon 14/1207:30 -

3 stops24h 20m

Tue 2/208:30 -

3 stops21h 45m

Deal found 8/9£787

Mon 14/1206:45 -

3 stops25h 05m

Tue 2/211:15 -

2 stops27h 30m

Deal found 8/9£801

Thu 22/1009:30 -

2 stops26h 50m

Thu 29/1010:15 -

2 stops28h 45m

Deal found 7/9£827

Mon 14/1210:30 -

2 stops25h 55m

Tue 2/220:00 -

2 stops44h 40m

Deal found 8/9£863

Sat 12/1208:45 -

2 stops27h 40m

Fri 8/111:15 -

2 stops27h 05m

Deal found 9/9£1,018

Sat 12/1220:15 -

2 stops34h 40m

Fri 8/118:55 -

2 stops24h 10m

Deal found 9/9£1,678

Wed 30/910:50 -

2 stops20h 20m

Wed 14/1010:10 -

2 stops36h 30m

Deal found 6/9£4,376

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 10 September 2026.

Wed 30/910:00 -

2 stops26h 20m

Wed 14/1010:10 -

2 stops35h 10m

Deal found 7/9£689

Wed 30/909:00 -

2 stops22h 10m

Wed 14/1018:55 -

2 stops41h 45m

Deal found 6/9£692

Wed 30/921:35 -

1 stop30h 05m

Wed 14/1013:40 -

1 stop35h 40m

Deal found 7/9£891

Thu 22/1021:25 -

1 stop14h 55m

Thu 29/1010:15 -

1 stop16h 20m

Deal found 7/9£965

Mon 12/1005:15 -

3 stops23h 30m

Mon 19/1015:25 -

3 stops25h 50m

Deal found 6/9£715

Fri 11/1210:40 -

1 stop25h 00m

Thu 4/215:15 -

1 stop34h 55m

Deal found 8/9£1,709

Mon 14/1207:30 -

3 stops24h 20m

Tue 2/208:30 -

3 stops21h 45m

Deal found 8/9£787

Thu 22/1009:30 -

2 stops26h 50m

Thu 29/1010:15 -

2 stops28h 45m

Deal found 7/9£827

Mon 12/1021:35 -

1 stop14h 45m

Mon 19/1018:55 -

1 stop30h 25m

Deal found 6/9£865

Wed 30/921:35 -

1 stop30h 05m

Wed 14/1013:40 -

1 stop35h 40m

Deal found 6/9£872

Mon 14/1206:30 -

2 stops21h 15m

Tue 2/220:00 -

2 stops27h 30m

Deal found 8/9£1,023

Fri 11/1210:30 -

2 stops25h 15m

Mon 11/121:15 -

1 stop29h 20m

Deal found 9/9£1,028

Sat 12/1216:40 -

3 stops34h 40m

Fri 8/111:15 -

2 stops27h 05m

Deal found 9/9£1,031

Wed 30/910:50 -

2 stops20h 20m

Wed 14/1010:10 -

2 stops36h 30m

Deal found 6/9£4,376

Wed 9/1211:50 -

1 stop14h 50m

Tue 5/118:55 -

2 stops24h 20m

Deal found 9/9£1,481

Sat 12/1220:15 -

2 stops34h 40m

Fri 8/118:55 -

2 stops24h 10m

Deal found 9/9£1,678

Find flight deals from London to Chiang Rai

Round-trip from	£536
One-way from	£249

12/10-19/10
4 total stops
50h 10m total
London to Chiang Rai

Search Deals

20/9-31/12
3 total stops
50h 10m 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

Sun 20/9

06:45-14:55

3 stops50h 10m

Chiang Rai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

LondonChiang Rai

STN London Stansted - CEI Chiang Rai

STNCEI

London Stansted

Wed 23/9

15:30-19:25

3 stops45h 55m

Chiang Rai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£250

LondonChiang Rai

LGW London Gatwick - CEI Chiang Rai

LGWCEI

London Gatwick

Wed 23/9

11:00-19:25

2 stops26h 25m

Chiang Rai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£290

LondonChiang Rai

LGW London Gatwick - CEI Chiang Rai

LGWCEI

London Gatwick

Sun 20/9

20:50-14:55

2 stops36h 05m

Chiang Rai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£306

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Wed 23/9

09:55-19:25

3 stops27h 30m

Chiang Rai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£316

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Sun 20/9

22:10-14:55

2 stops34h 45m

Chiang Rai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£334

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Thu 22/10

22:00-07:55

2 stops51h 55m

Chiang Rai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£371

Fastest return journey

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Wed 23/9

12:30-13:10

1 stop18h 40m

Chiang Rai

Wed 31/12

00:00-18:00

Nonstop0h 00m

£568

LondonChiang Rai

LHR London Heathrow - CEI Chiang Rai

LHRCEI

London Heathrow

Wed 30/9

10:00-18:20

2 stops26h 20m

Chiang Rai

Wed 14/10

10:10-15:20

2 stops35h 10m

£689

LondonChiang Rai

LGW London Gatwick - CEI Chiang Rai

LGWCEI

London Gatwick

Wed 30/9

09:00-13:10

2 stops22h 10m

Chiang Rai

Wed 14/10

18:55-06:40

2 stops41h 45m

£692

Flights are sorted by cheapest return flights first.

Deals found on 9/9

Showing 1-10 of 25 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

LGW-CEI

STN-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

LGW-CEI

STN-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

418 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

418 reviews

Thai Airways

7.9

Good

418 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.
How long is the flight from London to Chiang Rai?
Gulf Air can get you from London to Chiang Rai in just under 26h 20m. 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 Stansted - Chiang Rai, London Heathrow - 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

Alternative routes

Chiang Rai flight routes

Complete your trip

Direct flights to Thailand

Flights by cabin class

Other flight options

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Popular flights

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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£902	Average£1,091	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.

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Cheap flights from London to Chiang Rai from £249

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/9. 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 10 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 10 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 10 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 10 September 2026.

Last-minute flights from London to Chiang RaiDiscover last-minute flight deals from London to Chiang Rai. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from London to Chiang Rai. Data last updated 10 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 10 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 10 September 2026.

Find flight deals from London to Chiang Rai

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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 10 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 10 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 10 September 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?

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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 10 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 10 September 2026.

Last-minute flights from London to Chiang Rai
Discover last-minute flight deals from London to Chiang Rai. Data last updated 10 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 10 September 2026.