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Cheap flights from London to Chiang Rai from £565

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CEI
7 Feb — 14 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Chiang Rai

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Chiang Rai (CEI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 January 2026.

Round-trip from

£471
11/5-5/6
  • 11/5-5/6
  • 4 total stops
  • 62h 20m total
  • London to Chiang Rai
Search Deals

Find flight deals from London to Chiang Rai

Enter your travel dates to find the best prices.

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 8 January 2026.

Mon 25/511:35LGW - CEI
2 stops25h 50mMultiple Airlines
Fri 5/608:30CEI - LGW
2 stops28h 10mMultiple Airlines
Deal found 7/1£565
Sat 21/207:15STN - CEI
3 stops25h 40mMultiple Airlines
Sat 28/208:35CEI - STN
3 stops40h 10mMultiple Airlines
Deal found 7/1£601
Mon 26/110:00LHR - CEI
2 stops26h 25mMultiple Airlines
Thu 29/108:30CEI - LHR
2 stops30h 00mMultiple Airlines
Deal found 5/1£604
Sat 21/208:25LHR - CEI
2 stops24h 30mMultiple Airlines
Sat 7/308:40CEI - LHR
2 stops28h 15mMultiple Airlines
Deal found 6/1£605
Sat 21/210:15LGW - CEI
3 stops25h 05mMultiple Airlines
Sat 7/308:40CEI - LGW
3 stops45h 15mMultiple Airlines
Deal found 6/1£609
Mon 25/508:25LHR - CEI
2 stops25h 30mMultiple Airlines
Fri 5/608:35CEI - LHR
2 stops27h 55mMultiple Airlines
Deal found 7/1£626
Thu 19/216:30LHR - CEI
2 stops18h 50mMultiple Airlines
Thu 26/210:15CEI - LHR
2 stops36h 55mMultiple Airlines
Deal found 5/1£638
Mon 11/508:25LHR - CEI
2 stops25h 30mMultiple Airlines
Fri 5/608:35CEI - LHR
2 stops27h 55mMultiple Airlines
Deal found 5/1£644
Sat 21/206:15LGW - CEI
3 stops29h 05mMultiple Airlines
Sat 28/208:40CEI - LGW
3 stops46h 15mMultiple Airlines
Deal found 7/1£645
Thu 19/206:10STN - CEI
3 stops29h 10mMultiple Airlines
Thu 26/219:25CEI - STN
2 stops27h 35mMultiple Airlines
Deal found 5/1£661
Sun 3/511:20LHR - CEI
1 stop25h 30mSingapore Airlines
Thu 11/615:45CEI - LHR
1 stop30h 00mSingapore Airlines
Deal found 5/1£730
Mon 26/110:15STN - CEI
3 stops22h 40mMultiple Airlines
Thu 29/108:40CEI - STN
3 stops38h 20mMultiple Airlines
Deal found 5/1£748

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Chiang Rai that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 8 January 2026.
Use the filters below to find and compare flights from London to Chiang Rai that are best for you.

Fly from

London

Fly to

Chiang Rai

Route

Depart

Return

Price

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Mon 25/5

11:35-19:25

2 stops25h 50m

Chiang Rai

Fri 5/6

08:30-06:40

2 stops28h 10m

£565

LondonChiang Rai

STN - CEI

STNCEI

London Stansted

Sat 21/2

07:15-15:55

3 stops25h 40m

Chiang Rai

Sat 28/2

08:35-17:45

3 stops40h 10m

£601

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sat 21/2

08:25-15:55

2 stops24h 30m

Chiang Rai

Sat 7/3

08:40-05:55

2 stops28h 15m

£605

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Sat 21/2

10:15-18:20

3 stops25h 05m

Chiang Rai

Sat 7/3

08:40-22:55

3 stops45h 15m

£609

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Mon 25/5

08:25-15:55

2 stops25h 30m

Chiang Rai

Fri 5/6

08:35-06:30

2 stops27h 55m

£626

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Thu 19/2

16:30-18:20

2 stops18h 50m

Chiang Rai

Thu 26/2

10:15-16:10

2 stops36h 55m

£638

LondonChiang Rai

LGW - CEI

LGWCEI

London Gatwick

Sat 21/2

06:15-18:20

3 stops29h 05m

Chiang Rai

Sat 28/2

08:40-23:55

3 stops46h 15m

£645

LondonChiang Rai

STN - CEI

STNCEI

London Stansted

Thu 19/2

06:10-18:20

3 stops29h 10m

Chiang Rai

Thu 26/2

19:25-16:00

2 stops27h 35m

£661

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sun 3/5

11:20-18:50

1 stop25h 30m

Chiang Rai

Thu 11/6

15:45-15:45

1 stop30h 00m

£730

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Mon 26/1

08:50-13:25

3 stops21h 35m

Chiang Rai

Thu 29/1

15:20-17:35

3 stops33h 15m

£733

Flights are sorted by cheapest return flights first.

Deals found on 7/1

Showing 1-10 of 14 results
1
2

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.
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

What is the cheapest month to book a flight from London to Chiang Rai?

Currently, January is the cheapest month in which you can book a flight from London to Chiang Rai (average of £360). Flying from London to Chiang Rai in July is currently the most expensive (average of £641). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Chiang Rai

Get insights into the airlines that provide service to Chiang Rai. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chiang Rai. Reviews last updated 8 January 2026.
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
7.8
Good
376 reviews
Check prices

Comfort

7.5

Overall

7.8

Food

7.3

Crew

8.3

Boarding

7.8

Entertainment

6.8

Reviews

1 / 19
8.0
Excellent

Nakin,Jan 2026

TFU - BKK

Overall ok except crew not serve drinks with meal. Tried to push call button three times and wait for half hour but still no one response. Ended up with waving hands to some crew that finally walk passing me to get drink.
Thai Airways
7.8
Good
376 reviews
Thai Airways
7.8
Good
376 reviews
Check prices

Comfort

7.5

Overall

7.8

Food

7.3

Crew

8.3

Boarding

7.8

Entertainment

6.8

Reviews

1 / 19
8.0
Excellent

Nakin,Jan 2026

TFU - BKK

Overall ok except crew not serve drinks with meal. Tried to push call button three times and wait for half hour but still no one response. Ended up with waving hands to some crew that finally walk passing me to get drink.

Related info for your journey

Find useful and relevant information for your journey from London to Chiang Rai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 is the cheapest airline to fly from London to Chiang Rai round-trip?

    Flying on Thai Airways is currently your cheapest option to Chiang Rai, with prices starting at £732.

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

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

  • What is the cheapest month to book a flight from London to Chiang Rai?

    Currently, January is the cheapest month in which you can book a flight from London to Chiang Rai (average of £360). Flying from London to Chiang Rai in July is currently the most expensive (average of £641). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for London to Chiang Rai

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from London to Chiang Rai

Discover the top airline that operate flights from London to Chiang Rai. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 8 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapest£732Average£778FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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