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Cheap flights from London Heathrow Airport to Chiang Rai from £612

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CEI
10 Feb — 17 Feb1
1 adult

Cheap flight deals from Heathrow to Chiang Rai

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 5 February 2025.

Round-trip from

£612

Popular in

December

Cheapest in

May

Average price

£948
1/3-8/3
  • 1/3-8/3
  • 4 total stops
  • 72h 20m total
  • London to Chiang Rai
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£67 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£17 potential savings vs. average return price).
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Average for round-trip flights in February 2025
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Find flight deals from Heathrow to Chiang Rai

Cheapest flights from Heathrow to Chiang Rai
Explore the most affordable flight options available from Heathrow to Chiang Rai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 February 2025.

Sat 1/321:35LHR - CEI
2 stops38h 50mMultiple Airlines
Sat 8/315:20CEI - LHR
2 stops33h 30mMultiple Airlines
Deal found 4/2£612
Sat 1/311:50LHR - CEI
1 stop14h 50mThai Airways
Sat 8/318:55CEI - LHR
1 stop31h 40mThai Airways
Deal found 4/2£929

Find flights from Heathrow to Chiang Rai within your budget

Customise your flight search to find flights from Heathrow 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 5 February 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sat 1/3

21:35-19:25

2 stops38h 50m

Chiang Rai

Sat 8/3

15:20-17:50

2 stops33h 30m

£612

LondonChiang Rai

LHR - CEI

LHRCEI

London Heathrow

Sat 1/3

11:50-09:40

1 stop14h 50m

Chiang Rai

Sat 8/3

18:55-19:35

1 stop31h 40m

£929

Flights are sorted by cheapest return flights first.

Deals found on 4/2

Best time to book a flight from Heathrow to Chiang Rai

Have a flexible travel schedule? Discover the best time to fly to Chiang Rai from Heathrow 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.

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 5 February 2025.
Thai Airways
7.8
Good
324 reviews
Check prices

Boarding

7.9

Crew

8.3

Entertainment

6.9

Comfort

7.6

Food

7.4

Overall

7.8

Reviews

1 / 17

10.0
Excellent

ROBERT,Nov 2024

SGN - BKK

Very professional crew and food were excellent and seats were comfortable. Good choice on screen and relaxed flight

Thai Airways
7.8
Good
324 reviews
Thai Airways
7.8
Good
324 reviews
Check prices

Boarding

7.9

Crew

8.3

Entertainment

6.9

Comfort

7.6

Food

7.4

Overall

7.8

Reviews

1 / 17

10.0
Excellent

ROBERT,Nov 2024

SGN - BKK

Very professional crew and food were excellent and seats were comfortable. Good choice on screen and relaxed flight

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow?

    Chiang Rai (CEI), located 4.5 mi from the city center, is the airport you fly into when you book flights from London Heathrow to Chiang Rai. 1 airline have flights to Chiang Rai from London Heathrow on a regular basis. Booking flights from London Heathrow to Chiang Rai should not be difficult; the airport handles an average of 0 inbound flights from London Heathrow per day.

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

    Currently priced at £929, Thai Airways will fly you from London Heathrow Airport to Chiang Rai and back. In addition to Thai Airways, many other airlines offer competitively priced options for your trip. Users have found that Thai Airways is 3% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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

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Alternative routes for Heathrow 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 Heathrow to Chiang Rai

Discover the top airline that operate flights from Heathrow 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 5 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapest£831Average£952FlexibilityNo 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 Heathrow to Chiang Rai?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Chiang Rai. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Chiang Rai for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Certainly. Search results for flights to Chiang Rai from Heathrow 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 Heathrow to Chiang Rai become cheaper?

Yes! Start tracking prices for Heathrow to Chiang Rai flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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