Cheap flights from Heathrow to Chiang Mai

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How to find the cheapest flight from
Heathrow (LHR) to Chiang Mai (CNX)

All the information you need to plan the best LHR to CNX flight in 2021: compare Heathrow to Chiang Mai flight prices with the expected peak season, weather and rainfall in Chiang Mai.
LHR - CNX
Price
£629 - £1,122
CNX
Temperature
21 - 29 °C
CNX
Precipitation
0 - 250 mm

Popular in

December

High demand for flights, 32% potential price rise

Cheapest in

May

Best time to find cheap flights, 18% potential price drop

Round-trip from

£473

From London Heathrow to Chiang Mai

One-way from

£398

One-way flight from London Heathrow to Chiang Mai

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from London Heathrow Airport to Chiang Mai (LHR - CNX)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Chiang Mai as you normally would.

What is the cheapest month to fly from London Heathrow Airport to Chiang Mai?

Flights from London Heathrow Airport to Chiang Mai lean towards being more expensive in December. Prices are generally better when you fly from London Heathrow Airport to Chiang Mai in November, with the cheapest ticket starting at £352.

How far in advance should I book a flight from London Heathrow Airport to Chiang Mai?

Find a great deal and save up to 12% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London Heathrow Airport to Chiang Mai within the next two weeks, with the cheapest ticket starting at £570.

Cheap flights from Heathrow to Chiang Mai in December, January 2022

The best prices found for LHR to CNX flights in December, January
18 Jan - 25 Jan
£480pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
18 Jan - 25 Jan
£509pp
LHR
London Heathrow
Etihad Airways
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Etihad Airways
     
3 STOPS
LHR
London Heathrow
4 Jan - 31 Mar
£518pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

London Heathrow to Chiang Mai 2022 flight deals

Cheap flights to Chiang Mai from Heathrow found for this year
1 Dec - 8 Dec
£537pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Etihad Airways
   
2 STOPS
LHR
London Heathrow
1 Dec - 8 Dec
£570pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Etihad Airways
   
2 STOPS
LHR
London Heathrow
3 Dec - 13 Dec
£584pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

Last-minute flights from Heathrow to Chiang Mai

Late deals on return flights to Chiang Mai from Heathrow, departing today and this week
8 Dec - 30 Dec
£750pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
CNX
Chiang Mai
CNX
Chiang Mai
Singapore Airlines
 
1 STOP
LHR
London Heathrow
10 Dec - 30 Dec
£780pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
CNX
Chiang Mai
CNX
Chiang Mai
Singapore Airlines
 
1 STOP
LHR
London Heathrow
11 Dec - 30 Dec
£880pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
CNX
Chiang Mai
CNX
Chiang Mai
Singapore Airlines
 
1 STOP
LHR
London Heathrow

One-way flights to Chiang Mai from London Heathrow

The cheapest one-way flights from Heathrow to Chiang Mai
06:50 - 11:30
Thai Airways
1 stop
21h 40m
LHR - CNX
Thai Airways
£398
DreamWorldTravel
06:45 - 13:25
KLM
2 stops
23h 40m
LHR - CNX
KLM
£413
KLM
14:45 - 08:45
Air France
2 stops
35h 00m
LHR - CNX
Air France

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Heathrow</span> to <span class="emphasized">Chiang Mai</span> flights.

Flight FAQs

From Heathrow to Chiang Mai

What airport do you fly into for flights to Chiang Mai from London Heathrow?

For a flight from London Heathrow to Chiang Mai, you will be flying into Chiang Mai. Chiang Mai (CNX) is just 1.9 mi from the centre vof the city. Chiang Mai is the only Chiang Mai airport and it handles 0 inbound flights from London Heathrow per day. 9 airlines have flights to Chiang Mai from London Heathrow on a regular basis.

Which airlines flying from London Heathrow to Chiang Mai have flexible cancellations due to COVID-19?

Thai Airways, Air China, and Qatar Airways are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from London Heathrow Airport to Chiang Mai for under £500 on Cheapflights?

Yes, there are multiple flights from London Heathrow Airport to Chiang Mai for under £500. The cheapest flight booked recently is on Multiple Airlines for just £466, but on average you can expect to pay £531.

Are there last-minute flights available from London Heathrow Airport to Chiang Mai for under £800?

There are currently 20+ open flights from London Heathrow Airport to Chiang Mai within the next 7 days for less than £800.

What are the cheapest airlines flying from London Heathrow Airport to Chiang Mai round-trip?

Flying on KLM is currently your cheapest option to Chiang Mai, with prices starting at £503. Additional round-trip tickets that might be worth considering are offered by Etihad Airways and Thai Airways, with the lowest prices starting at £509 and £520, respectively. Users have found that KLM is 12% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from London Heathrow Airport to Chiang Mai one-way?

£382 is the cheapest one-way deal found within the past few days, from Thai Airways. You may also be able to find cheap deals on Etihad Airways and KLM, with prices starting from £410 and £413, respectively.

What are the cheapest flights from London Heathrow Airport to Chiang Mai?

Looking at all options, your cheapest flight can be booked for £403. While the most popular route (London Heathrow - Chiang Mai) can be booked for £466 on average our data indicates £976 when flying from London Heathrow Airport to Chiang Mai.

What are the most popular airlines that fly from London Heathrow Airport to Chiang Mai?

British Airways, EVA Air and Air China are the most popular airlines when flying from London Heathrow Airport to Chiang Mai.

Related searches

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Hire a Car

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COVID Restrictions

View COVID Travel Restrictions for Chiang Mai, Thailand

Do I need a COVID test to fly to Chiang Mai from Heathrow?

Information is based on travel restrictions from London Heathrow to Chiang Mai

Most visitors from London Heathrow need to provide a negative COVID-19 test result and/or quarantine to enter Chiang Mai.

COVID-19 testing requirements
Visitors from London Heathrow must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Chiang Mai.

Quarantine requirements
Visitors from London Heathrow are not required to quarantine after entering Chiang Mai.

Documents
Thailand Pass - The Thailand Pass is a web-based system for Thai and foreign travelers to fill in their travel and health information and upload the related documents before travelling. This system is operational and will replace the COE system on 1 November, 2021. However, the COE will continue to be used for certain groups of travelers.

MorChana App - Alert application and contact tracing app to be used while in Thailand. Download via Apple Store or Google Play Store.


Do I need a test to fly back to Heathrow from Chiang Mai?

Returning to London Heathrow from Chiang Mai

COVID-19 testing requirements
Visitors from Chiang Mai must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London Heathrow.

Quarantine requirements
Visitors from Chiang Mai are not required to quarantine after entering London Heathrow.

Hide COVID Travel Restrictions for Chiang Mai, Thailand

Alternative routes for Heathrow to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Chiang Mai

Things to know before you go - useful duration and weather info for your trip from Heathrow to Chiang Mai.
Today's exchange rate
£1 = ฿44.81
Average temperature for December in Chiang Mai
29.0 °C
Avg rainfall for December in Chiang Mai
18.0 mm

Airports servicing London

Airports servicing Chiang Mai

Top 7 airlines flying from London Heathrow to Chiang Mai

The chart below displays the airlines Cheapflights users travelling from Heathrow to Chiang Mai choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Air China
£305 £370 No cancel fee 67%
Search Air China flights
China Eastern
£333 £379 No cancel fee 62%

We couldn't confirm the COVID-19 safety measures taken by China Eastern. Please check directly on their website for additional information.

Search China Eastern flights
China Southern
£385 £496 No cancel fee 69%
Search China Southern flights
Thai Airways
£465 £609 No cancel fee 77%
Search Thai Airways flights
Qatar Airways
£465 £632 No cancel fee 68%
Search Qatar Airways flights
British Airways
£489 £684 No cancel fee 70%
Search British Airways flights
EVA Air
£495 £596 No cancel fee 74%
Search EVA Air flights
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