Question 1

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

Accepted Answer

Currently priced at ฿27,898, Air China will fly you from Chiang Mai to London Heathrow Airport and back. In addition to Air China, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from China Eastern and China Southern - these airlines can fly you to your destination from ฿29,318 and ฿31,288, respectively. Find deals

Question 2

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

Accepted Answer

For one-way options, check prices for Air China. According to our data, you can fly for as low as ฿12,528. Users have also found prices from ฿17,598 and ฿21,020 on China Eastern and ออสเตรียนแอร์ไลน์, respectively. Find deals

Question 3

What is the cheapest month to book a flight from Chiang Mai to London Heathrow Airport?

Accepted Answer

Currently, December is the cheapest month in which you can book a flight from Chiang Mai to London Heathrow Airport (average of ฿810). Flying from Chiang Mai to London Heathrow Airport in July is currently the most expensive (average of ฿1,025). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options. Find deals

Question 4

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

Accepted Answer

Travellers seeking maximum savings on their Chiang Mai to London Heathrow Airport flight should consider departing on Saturday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time. Find deals

Question 5

E

Accepted Answer

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Question 6

E

Accepted Answer

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Question 7

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

Accepted Answer

Users have found that leaving on a Friday can be a cost-effective option. It’s possible to save up to 25% on your flight compared to booking on days when demand is much higher.

Question 8

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

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, February can be a great choice for travel to London Heathrow Airport. Flights to London Heathrow Airport from Chiang Mai in February are about ฿30,562 on average during February, but can be found for as low as ฿18,954.

Question 9

What is the cheapest time of day to fly from CNX to LHR?

Accepted Answer

It’s typically best to fly out from Chiang Mai to London Heathrow Airport at midday. Doing so could potentially save you 27% on the flight price compared to flying in the morning, which is usually more expensive.

Question 10

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

Accepted Answer

For a flight from Chiang Mai to London Heathrow, you will be flying from Chiang Mai. Chiang Mai (CNX) is just 3.1 km from the centre of the city. Chiang Mai is the only Chiang Mai airport and it handles 0 outbound flights to London Heathrow per day. 0 airlines have flights to London Heathrow from Chiang Mai on a regular basis.

Question 11

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

Accepted Answer

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

Question 12

How can I find direct flights from Chiang Mai to Heathrow?

Accepted Answer

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

Question 13

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

Accepted Answer

Yes. Cheapflights offers flight deals from Chiang Mai to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 14

How does Cheapflights help users find flights from Chiang Mai to Heathrow?

Accepted Answer

Cheapflights helps you search for flights from Chiang Mai to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Question 15

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

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Chiang Mai to Heathrow for you. Better yet — we are completely free to use.

Question 16

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

Accepted Answer

Need flexible booking options for your flight to Heathrow from Chiang Mai? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 17

Can Cheapflights notify me if prices for flights from Chiang Mai to Heathrow become cheaper?

Accepted Answer

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Chiang Mai today and book when prices fit your budget.

Round-trip from	฿27,898
One-way from	฿12,464
Popular in	April
Cheapest in	February
Average price	฿30,449

Cheap flights from Chiang Mai to London Heathrow Airport from ฿12,464

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/10. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Chiang Mai to HeathrowExplore the most affordable flight options available from Chiang Mai to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 July 2025.

Explore the most affordable flight options available from Chiang Mai to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 July 2025.

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What is the cheapest time of day to fly from CNX to LHR?

Find hourly flight availability from Chiang Mai to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 July 2025.

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Related info for your journey

Find useful and relevant information for your journey from Chiang Mai to Heathrow. 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 from for flights from Chiang Mai to London Heathrow?

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

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

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

How can I find direct flights from Chiang Mai to Heathrow?

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

What is the cheapest month to book a flight from Chiang Mai to London Heathrow Airport?

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How does Cheapflights help users find flights from Chiang Mai to Heathrow?

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

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

Can Cheapflights notify me if prices for flights from Chiang Mai to Heathrow become cheaper?

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Cheapest flights from Chiang Mai to Heathrow
Explore the most affordable flight options available from Chiang Mai to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 July 2025.