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Cheap flights from Chiang Rai to London from £858

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/7. Fares are subject to change and may not be available on all flights or dates of travel.
CEI — LON
3 Jul — 10 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chiang Rai to London

Enter your travel dates to find the best prices.

Cheapest flights from Chiang Rai to London
Explore the most affordable flight options available from Chiang Rai to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 June 2026.

Thu 16/718:55
CEI
-
LHR
2 stops29h 00m
Multiple Airlines
Thu 23/716:00
LHR
-
CEI
2 stops20h 20m
Multiple Airlines
Deal found 31/5£858
Wed 8/718:55
CEI
-
LHR
2 stops24h 20m
Multiple Airlines
Sat 1/808:25
LHR
-
CEI
2 stops22h 45m
Multiple Airlines
Deal found 1/6£947
Thu 17/910:10
CEI
-
LHR
2 stops53h 40m
Turkish Airlines
Mon 21/922:40
LHR
-
CEI
2 stops29h 00m
Turkish Airlines
Deal found 2/6£994
Mon 28/919:20
CEI
-
LHR
1 stop30h 10m
Singapore Airlines
Wed 30/909:25
LHR
-
CEI
1 stop23h 10m
Singapore Airlines
Deal found 31/5£1,135

Find flight deals from Chiang Rai to London

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Rai (CEI) to London (LON). 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 3 June 2026.

Round-trip from

£858
16/7-23/7
  • 16/7-23/7
  • 4 total stops
  • 49h 20m total
  • Chiang Rai to London
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Chiang Rai to London 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 3 June 2026.
Use the filters below to find and compare flights from Chiang Rai to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Wed 8/7

18:55-13:15

2 stops24h 20m

London Heathrow

Sat 1/8

08:25-13:10

2 stops22h 45m

£947

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Thu 17/9

10:10-09:50

2 stops53h 40m

London Heathrow

Mon 21/9

22:40-09:40

2 stops29h 00m

£994

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Mon 28/9

19:20-15:45

1 stop26h 25m

London Heathrow

Wed 30/9

11:20-14:35

1 stop21h 15m

£1,134

Chiang RaiLondon

CEI - LHR

CEILHR

Chiang Rai

Thu 16/7

18:55-19:20

1 stop30h 25m

London Heathrow

Thu 23/7

07:30-09:40

2 stops20h 10m

£1,164

Flights are sorted by cheapest return flights first.

Deals found on 1/6

Sorted by cheapest first

Best time to book a flight from Chiang Rai to London

Have a flexible travel schedule? Discover the best time to fly to London from Chiang Rai 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 Chiang Rai to London
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Chiang Rai to London. 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 from for flights from Chiang Rai to London?

    Chiang Rai (CEI), located 4.5 mi from the city center, is the airport you fly out of when you book flights from Chiang Rai to London. 0 airlines have flights from Chiang Rai to London on a regular basis. Booking flights from Chiang Rai to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.

  • How long is the flight from Chiang Rai to London?

    Turkish Airlines and Singapore Airlines can get you from Chiang Rai to London in just under 26h 25m. Your travel time can differ by up to 27h 15m. Airlines will cover a distance of 5571 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chiang Rai to London 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

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

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

Certainly. Search results for flights to London from Chiang Rai shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from Chiang Rai to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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