Cheap flights from Heathrow to Chiang Mai

Return
Economy
London (LHR)
Chiang Mai (CNX)
Depart
Return
Any month
Compare vs Cheapflights |

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
£449 - £802
CNX
Temperature
29 - 37 °C
CNX
Rainfall
5 - 238 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

Average price

£449

Average for round-trip flights in May 2021

Round-trip from

£449

From Heathrow to Chiang Mai

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Heathrow to Chiang Mai?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 12% on flights from Heathrow to Chiang Mai compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £542. For sooner than that we have options available in the next 3 days from £562.

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

Our data shows that November tends to be the cheapest month to fly to Chiang Mai from Heathrow. Users have commonly found prices around £523 for the month, but tickets can be as low as £334. Due to multiple factors, prepare for potentially higher prices in December.

Cheap flights from Heathrow to Chiang Mai in May, June 2021

The best prices found for LHR to CNX flights in May, June
6 Jun - 13 Jun
£490pp
LHR
London Heathrow
KLM
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
KLM
   
2 STOPS
LHR
London Heathrow
21 May - 23 May
£551pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
9 May - 16 May
£559pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

Heathrow to Chiang Mai 2021 flight deals

Cheap flights to Chiang Mai from Heathrow found for this year
14 Oct - 16 Nov
£434pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
28 Dec - 18 Jan
£446pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
28 Dec - 16 Jan
£452pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
CNX
Chiang Mai
CNX
Chiang Mai
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

One-way flights to Chiang Mai from Heathrow

The cheapest one-way flights from Heathrow to Chiang Mai
18:30 - 14:40
Multiple Airlines
1 stop
38h 10m
LHR - CNX
Multiple Airlines
£700
DreamWorldTravel
18:05 - 05:20
Multiple Airlines
2 stops
29h 15m
LHR - CNX
Multiple Airlines
£337
Travel2Be
02:40 - 16:50
Multiple Airlines
3 stops
32h 10m
LHR - CNX
Multiple Airlines
£373
Kiwi.com

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

Are flight prices decreasing from Heathrow to Chiang Mai due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Heathrow and Chiang Mai for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from London Heathrow to Chiang Mai to control the spread of COVID-19?

Etihad Airways is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travellers booking flights from London Heathrow to Chiang Mai include masks being provided and required on board, daily cleaning and sanitisation, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially-distanced seating (for a limited time). Keep in mind that policies will vary by airline.

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.

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.

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

Yes, there are multiple flights from Heathrow to Chiang Mai for under £500. The cheapest flight booked recently is on Multiple Airlines for just £434, but on average you can expect to pay £667.

Are there direct flights from Heathrow to Chiang Mai for under £429 on Cheapflights?

There are no direct flights from Heathrow to Chiang Mai, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Does it rain more in Heathrow or Chiang Mai?

When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Heathrow is roughly less than Chiang Mai. You can assume this to be the case over the next 19 days.

Is Heathrow weather warmer or cooler than Chiang Mai?

Expect the weather to be around 37 °C on average in April. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in Chiang Mai is generally hotter than in Heathrow.

How long does is the flight from Heathrow to Chiang Mai?

Departing from Heathrow to Chiang Mai will take you 23h 10m. This flight may include one or multiple stops.

What are the cheapest airlines to flying from Heathrow to Chiang Mai return?

Our cheapest airline available from Heathrow to Chiang Mai is KLM. Our recent data shows that you can find tickets from as low as £491 on this airline. An additional option worth looking into is Etihad Airways, starting at £624. These flights start at 10% lower than the current average price 3 months from now.

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 = ฿43.39
Average temperature for May in Chiang Mai
34.0 °C
Avg rainfall for May in Chiang Mai
166.0 mm

Airports servicing London

Airports servicing Chiang Mai

Top 7 airlines flying from 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
£405 £492 No cancel fee 67%
Search Air China flights
China Eastern
£443 £504 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
£512 £659 No cancel fee 69%

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

Search China Southern flights
EVA Air
£659 £793 No cancel fee 74%
Search EVA Air flights
Thai Airways
£619 £810 No cancel fee 77%
Search Thai Airways flights
Qatar Airways
£619 £841 No cancel fee 68%
Search Qatar Airways flights
British Airways
£650 £911 No cancel fee 70%
Search British Airways flights
Home Asia Thailand Chiang Mai Cheap flights from Heathrow to Chiang Mai
  • Return
  • One-way
  • Multi-city
  • Economy
  • Premium Economy
  • Business
  • First
  • Multiple
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First
Economy
  • Economy
  • Premium Economy
  • Business
  • First