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 2022: compare Heathrow to Chiang Mai flight prices with the expected peak season, weather and rainfall in Chiang Mai.
LHR - CNX
Price
£738 - £1,210
CNX
Temperature
21 - 29 °C
CNX
Rainfall
0 - 250 mm

Popular in

July

High demand for flights, 29% potential price rise

Cheapest in

May

Best time to find cheap flights, 14% potential price drop

Round-trip from

£607

From London Heathrow to Chiang Mai

One-way from

£487

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 July. Prices are generally better when you fly from London Heathrow Airport to Chiang Mai in October, with the cheapest ticket starting at £543.

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

Find a great deal and save up to 2% 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 £739.

Cheap flights from Heathrow to Chiang Mai in August, September 2022

The best prices found for LHR to CNX flights in August, September
1 Sep - 4 Oct
£595pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
1 Sep - 6 Oct
£616pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
13 Sep - 7 Dec
£618pp
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
15 Nov - 26 Nov
£580pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
1 Sep - 4 Oct
£595pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
1 Sep - 6 Oct
£616pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

Cheap Thai Airways flights from Heathrow to Chiang Mai

14 Sep - 29 Sep
£690pp
LHR
London Heathrow
Thai Airways
 
1 STOP
CNX
Chiang Mai
CNX
Chiang Mai
Thai Airways
 
1 STOP
LHR
London Heathrow
9 Oct - 2 Nov
£694pp
LHR
London Heathrow
Thai Airways
 
1 STOP
CNX
Chiang Mai
CNX
Chiang Mai
Thai Airways
 
1 STOP
LHR
London Heathrow
11 Oct - 27 Oct
£697pp
LHR
London Heathrow
Thai Airways
 
1 STOP
CNX
Chiang Mai
CNX
Chiang Mai
Thai Airways
 
1 STOP
LHR
London Heathrow

Cheap Singapore Airlines flights from Heathrow to Chiang Mai

1 Nov - 30 Jan
£693pp
LHR
London Heathrow
Singapore Airlines
 
1 STOP
CNX
Chiang Mai
CNX
Chiang Mai
Singapore Airlines
 
1 STOP
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
11 Aug - 31 Aug
£1,580pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
11 Aug - 1 Sep
£1,648pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
13 Aug - 27 Aug
£1,738pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

One-way flights to Chiang Mai from London Heathrow

The cheapest one-way flights from Heathrow to Chiang Mai
08:30 - 12:20
Thai Airways
1 stop
21h 50m
LHR - CNX
Thai Airways
£487
JustFly
02:45 - 15:30
Multiple Airlines
2 stops
30h 45m
LHR - CNX
Multiple Airlines
£493
Kiwi.com
16:30 - 14:15
Etihad Airways
2 stops
39h 45m
LHR - CNX
Etihad Airways
£497
TravelJunction

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 center of the city. Chiang Mai is the only Chiang Mai airport and it handles 0 inbound flights from London Heathrow per day. 11 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 £600 on Cheapflights?

Yes, there are multiple flights from London Heathrow Airport to Chiang Mai for under £600. The cheapest flight booked recently is on Multiple Airlines for just £595, but on average you can expect to pay £641.

Are there last-minute flights available from London Heathrow Airport to Chiang Mai for under £1,600?

There are currently 20+ open flights from London Heathrow Airport to Chiang Mai within the next 7 days for less than £1,600.

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

Flying on Thai Airways is currently your cheapest option to Chiang Mai, with prices starting at £690. Another option worth looking into is Singapore Airlines, starting at £693 round trip. Users have found that Thai Airways is 2% cheaper than the other options available to this destination.

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.

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

Looking at all options, your cheapest flight can be booked for £560. While the most popular route (London Heathrow - Chiang Mai) can be booked for £618 on average our data indicates £1,314 when flying from London Heathrow Airport to Chiang Mai.

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.

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 are not required to present a negative COVID-19 PCR test or antigen result upon entering 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.

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
£333 £405 No cancel fee 67%
Search Air China flights
China Eastern
£365 £415 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
£421 £542 No cancel fee 69%
Search China Southern flights
Qatar Airways
£509 £692 No cancel fee 68%
Search Qatar Airways flights
British Airways
£535 £749 No cancel fee 70%
Search British Airways flights
Thai Airways
£591 £737 No cancel fee 77%
Search Thai Airways flights
Singapore Airlines
£629 £696 No cancel fee 81%
Search Singapore Airlines flights
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