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Cheap flights from Chiang Mai to London from £232

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
CNX — LON
5 May — 12 May1
1 adult

Cheap flight deals from Chiang Mai to London

Discover tips and strategies to find the most affordable flight options for your journey from Chiang Mai (CNX) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 April 2025.

Round-trip from

£248

One-way from

£232

Popular in

August

Cheapest in

February

Average price

£911
China Eastern
  • China Eastern
  • 17/6-15/7
  • 2 total stops
  • 58h 10m total
  • Chiang Mai to London
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10/6
  • 10/6
  • 2 total stops
  • 28h 40m total
  • Chiang Mai to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£112 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Find flight deals from Chiang Mai to London

Cheapest flights from Chiang Mai to London
Explore the most affordable flight options available from Chiang Mai to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 April 2025.

Tue 17/623:15CNX - LHR
1 stop24h 05mMultiple Airlines
Tue 15/721:20LHR - CNX
1 stop34h 05mMultiple Airlines
Deal found 29/4£248
Wed 14/514:55CNX - LGW
1 stop30h 05mChina Eastern
Wed 21/511:35LGW - CNX
1 stop19h 50mChina Eastern
Deal found 29/4£558
Tue 17/623:05CNX - LHR
1 stop24h 40mAir China
Wed 18/620:25LHR - CNX
1 stop19h 25mAir China
Deal found 29/4£588
Tue 17/606:30CNX - LGW
2 stops30h 10mMultiple Airlines
Wed 18/611:35LGW - CNX
2 stops23h 25mMultiple Airlines
Deal found 29/4£629
Tue 17/614:55CNX - LHR
1 stop33h 45mChina Eastern
Wed 18/621:20LHR - CNX
2 stops29h 45mChina Eastern
Deal found 29/4£650
Wed 14/511:15CNX - LCY
2 stops26h 55mMultiple Airlines
Wed 21/513:05LCY - CNX
2 stops18h 40mMultiple Airlines
Deal found 29/4£789
Sat 28/600:45CNX - LHR
1 stop24h 05mAsiana Airlines
Thu 10/720:40LHR - CNX
1 stop21h 00mAsiana Airlines
Deal found 29/4£805
Thu 4/917:40CNX - LHR
1 stop28h 05mSingapore Airlines
Wed 17/909:25LHR - CNX
1 stop25h 15mSingapore Airlines
Deal found 29/4£811
Fri 26/1210:10CNX - LGW
2 stops27h 30mEmirates
Thu 15/109:40LGW - CNX
2 stops26h 15mEmirates
Deal found 29/4£834
Tue 2/920:00CNX - LHR
2 stops32h 10mFinnair
Tue 16/907:30LHR - CNX
2 stops19h 50mFinnair
Deal found 29/4£836
Tue 2/914:40CNX - LHR
1 stop31h 55mMalaysia Airlines
Tue 16/911:00LHR - CNX
1 stop18h 40mMalaysia Airlines
Deal found 29/4£851
Thu 4/920:00CNX - LHR
2 stops24h 20mAustrian Airlines
Tue 16/919:30LHR - CNX
2 stops17h 40mAustrian Airlines
Deal found 29/4£867

Cheapflights Fare Finder

Customise your flight search to find flights from Chiang Mai to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 30 April 2025.
Use the filters below to find and compare flights from Chiang Mai to London that are best for you.

Fly from

Chiang Mai

Fly to

London

Route

Depart

Return

Price

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 17/6

23:15-17:20

1 stop24h 05m

London Heathrow

Tue 15/7

21:20-13:25

1 stop34h 05m

£248

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 17/6

23:05-17:45

1 stop24h 40m

London Heathrow

Wed 18/6

20:25-21:50

1 stop19h 25m

£588

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Tue 17/6

14:55-06:40

1 stop21h 45m

London Gatwick

Wed 18/6

11:35-13:25

1 stop19h 50m

£614

Chiang MaiLondon

CNX - LGW

CNXLGW

Chiang Mai

Tue 17/6

06:30-06:40

2 stops30h 10m

London Gatwick

Wed 18/6

11:35-17:00

2 stops23h 25m

£629

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 17/6

14:55-18:40

1 stop33h 45m

London Heathrow

Wed 18/6

21:20-09:05

2 stops29h 45m

£650

Chiang MaiLondon

CNX - LCY

CNXLCY

Chiang Mai

Wed 14/5

11:15-08:10

2 stops26h 55m

London City

Wed 21/5

13:05-13:45

2 stops18h 40m

£789

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Sat 28/6

00:45-18:50

1 stop24h 05m

London Heathrow

Thu 10/7

20:40-23:40

1 stop21h 00m

£805

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Thu 4/9

17:40-15:45

1 stop28h 05m

London Heathrow

Wed 17/9

09:25-16:40

1 stop25h 15m

£811

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 2/9

20:00-22:10

2 stops32h 10m

London Heathrow

Tue 16/9

07:30-09:20

2 stops19h 50m

£836

Chiang MaiLondon

CNX - LHR

CNXLHR

Chiang Mai

Tue 2/9

14:40-16:35

1 stop31h 55m

London Heathrow

Tue 16/9

11:00-11:40

1 stop18h 40m

£851

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 29 results
1
2
3

Best time to book a flight from Chiang Mai to London

Have a flexible travel schedule? Discover the best time to fly to London from Chiang Mai with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chiang Mai to London

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

Find hourly flight availability from Chiang Mai to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 April 2025.

It’s optimal to fly from Chiang Mai to London in the afternoon. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight in the morning.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, 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).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 30 April 2025.
China Airlines
8.3
Very Good
732 reviews
Check prices

Boarding

8.3

Comfort

8.0

Crew

8.5

Entertainment

8.0

Overall

8.3

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.3
Very Good
732 reviews
China Airlines
8.3
Very Good
732 reviews
Check prices

Boarding

8.3

Comfort

8.0

Crew

8.5

Entertainment

8.0

Overall

8.3

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Asiana Airlines
8.2
Very Good
442 reviews
China Airlines
8.3
Very Good
732 reviews
Check prices

Boarding

8.3

Comfort

8.0

Crew

8.5

Entertainment

8.0

Overall

8.3

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Singapore Airlines
8.1
Very Good
1,292 reviews
China Airlines
8.3
Very Good
732 reviews
Check prices

Boarding

8.3

Comfort

8.0

Crew

8.5

Entertainment

8.0

Overall

8.3

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Emirates
8.0
Very Good
3,213 reviews
China Airlines
8.3
Very Good
732 reviews
Check prices

Boarding

8.3

Comfort

8.0

Crew

8.5

Entertainment

8.0

Overall

8.3

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
KLM
7.8
Good
1,334 reviews
China Airlines
8.3
Very Good
732 reviews
Check prices

Boarding

8.3

Comfort

8.0

Crew

8.5

Entertainment

8.0

Overall

8.3

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

Related info for your journey

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

    If you book a flight to London from Chiang Mai, you will be flying from Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 1.9 mi from the center of Chiang Mai. There are 0 flights from Chiang Mai to London per day from 1 airline.

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

    Cheapflights users have booked flights from Chiang Mai to London round-trip from £588. Other airlines that can offer you cheap pricing are China Eastern, from £614, and Asiana Airlines, from £805. Air China is 12% cheaper than the average price of flights available within the next 90 days to this destination.

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

    £248 is the cheapest one-way deal found within the past few days, from China Eastern. You may also be able to find cheap deals on Air China and Emirates, with prices starting from £268 and £405, respectively.

  • What are the most popular routes from Chiang Mai to London?

    The most popular route from Chiang Mai to London is Chiang Mai - London Heathrow. You may also consider Chiang Mai - London Gatwick or Chiang Mai - London City.

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

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

  • How can I find direct flights from Chiang Mai to London?

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Chiang Mai to London (average of £112). Flying from Chiang Mai to London in August is currently the most expensive (average of £164). 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.

See more FAQs

Travelling to a place near Chiang Mai?

Book flights to Chiang Mai if you plan to visit one of these locations
Deal
Hounslow
Milton Keynes
Gatwick
Luton
Slough
Croydon
Eastbourne
Ilford
Hayes
Southend-on-Sea
Crawley
Wembley
Ipswich
Maidstone
Winchester
Folkestone
Dartford
Watford
Chichester

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chiang Mai to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Chiang Mai to London

Discover the top airline that operate flights from Chiang Mai to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirwaysCheapest£776Average£963FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from Chiang Mai to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to London from Chiang Mai by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to London from Chiang Mai shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Chiang Mai to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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