£371 Cheap Flights from Chiang Rai (CEI) to London (LHR)

Popular airlines from Chiang Rai Intl. Airport (CEI) to Heathrow Airport (LHR)

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Cheap Flights from Chiang Rai (CEI) to London (LHR)

Prices were available within the past 7 days and start at £371 for one-way flights and £788 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai Airways International
Thai Airways International
Thai Airways International
Thai Airways International
Thai Airways International
Thai Airways International
Thai Airways International
Thai Airways International
Thai Airways International
Malaysia Airlines
Flight from Chiang Rai to London route information
Origin airport
Chiang Rai Intl.
Destination airport
Heathrow
Airlines serving
Malaysia Airlines, Thai Airways International
Return price
£787
Distance
8918 km

Compare flights from Chiang Rai to London easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Chiang Rai to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Heathrow in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Chiang Rai Intl. to Heathrow.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Chiang Rai Intl. (CEI) to Heathrow (LHR)

The easiest way to view the best deals on flights from Chiang Rai to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Chiang Rai Intl. to Heathrow start at just £788 and range up to £1,293.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Chiang Rai and London
  • booking your flight during December, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Chiang Rai to London flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Chiang Rai Intl. to Heathrow for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Chiang Rai Intl. Airport (CEI) to Heathrow Airport?
Based on fares listed within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Mae Fah Luang - Chiang Rai Intl. Airport and LHR start from £788. Book today to secure the best price for your adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from CEI to LHR?
We understand that your situation can change unexpectedly, so we've made it as simple as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from Mae Fah Luang - Chiang Rai Intl. Airport to LHR that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Chiang Rai Intl. Airport (CEI) to London Heathrow flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Chiang Rai Intl. Airport (CEI) to Heathrow Airport?
Chiang Rai to Hounslow is around 9,000 kilometres, so get ready to spend quite a while in the air. Make sure you pack all the essentials, from your toothbrush to your hairbrush. Take a few snacks to munch on throughout your trip too.
Which airlines fly direct from Chiang Rai Intl. Airport (CEI) to Heathrow Airport (LHR)?
If you want to fly straight from Mae Fah Luang - Chiang Rai Intl. Airport to LHR, you'll have to book a flight with one or more stops. Unfortunately, there aren't any airlines that fly directly on this route.
Are CEI to Heathrow Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally nab a bargain, with some super cheap airfares from Chiang Rai Intl. Airport (CEI) to LHR arising a few weeks before the departure date. If you'd rather plan ahead, Expedia compares and updates all the best flight deals continuously — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines advertise prices so far in advance.

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