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Cheap flights from London to Chiang Mai from £293

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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CNX
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from London to Chiang Mai are usually found in March or February, booked 53 days in advance, depart on a Thursday or Tuesday and return on a Monday

Cheap flight deals from London to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Chiang Mai (CNX). 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 25 March 2025.

Round-trip from

£500

One-way from

£293

Popular in

July

Cheapest in

March

Average price

£524
China Eastern
  • China Eastern
  • 6/5-17/5
  • 2 total stops
  • 67h 50m total
  • London to Chiang Mai
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26/4
  • 26/4
  • 2 total stops
  • 30h 05m total
  • London to Chiang Mai
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£129 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 March 2025
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Find flight deals from London to Chiang Mai

Cheapest flights from London to Chiang Mai
Explore the most affordable flight options available from London to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Tue 6/521:20LHR - CNX
1 stop34h 05mChina Eastern
Sat 17/514:55CNX - LHR
1 stop33h 45mChina Eastern
Deal found 24/3£500
Wed 23/422:10LHR - CNX
1 stop37h 40mChina Southern
Fri 2/518:50CNX - LHR
2 stops29h 15mChina Southern
Deal found 24/3£501
Sun 4/511:35LGW - CNX
2 stops45h 45mChina Eastern
Wed 14/514:55CNX - LGW
1 stop30h 05mChina Eastern
Deal found 24/3£509
Wed 23/410:10LHR - CNX
2 stops29h 40mMultiple Airlines
Tue 13/509:20CNX - LHR
3 stops33h 20mMultiple Airlines
Deal found 24/3£509
Mon 21/412:35LGW - CNX
1 stop27h 15mAir China
Tue 13/523:05CNX - LGW
2 stops37h 50mAir China
Deal found 24/3£518
Wed 23/422:40LHR - CNX
1 stop17h 10mAir China
Tue 13/523:05CNX - LHR
1 stop24h 40mAir China
Deal found 24/3£522
Sun 1/619:00LGW - CNX
2 stops22h 25mMultiple Airlines
Fri 6/608:00CNX - LGW
2 stops28h 40mMultiple Airlines
Deal found 25/3£612
Sat 4/1011:00LHR - CNX
1 stop18h 40mMalaysia Airlines
Sat 18/1014:40CNX - LHR
1 stop31h 55mMalaysia Airlines
Deal found 24/3£636
Thu 8/507:35STN - CNX
2 stops19h 10mMultiple Airlines
Thu 15/521:10CNX - STN
2 stops20h 45mMultiple Airlines
Deal found 24/3£667
Sun 18/520:55LHR - CNX
2 stops30h 25mEtihad Airways
Mon 26/520:00CNX - LHR
2 stops41h 00mEtihad Airways
Deal found 24/3£673
Tue 13/518:40LHR - CNX
2 stops37h 05mSWISS
Tue 27/520:00CNX - LHR
2 stops53h 20mSWISS
Deal found 25/3£677
Wed 7/507:25LHR - CNX
2 stops29h 45mLufthansa
Tue 27/516:55CNX - LHR
2 stops25h 55mLufthansa
Deal found 25/3£699

Cheapflights Fare Finder

Customise your flight search to find flights from London to Chiang Mai 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 25 March 2025.
Use the filters below to find and compare flights from London to Chiang Mai that are best for you.

Fly from

London

Fly to

Chiang Mai

Route

Depart

Return

Price

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Tue 6/5

21:20-13:25

1 stop34h 05m

Chiang Mai

Sat 17/5

14:55-18:40

1 stop33h 45m

£500

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Wed 23/4

22:10-17:50

1 stop37h 40m

Chiang Mai

Fri 2/5

18:50-18:05

2 stops29h 15m

£501

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Wed 23/4

10:10-21:50

2 stops29h 40m

Chiang Mai

Tue 13/5

09:20-12:40

3 stops33h 20m

£509

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Sun 4/5

11:35-15:20

2 stops45h 45m

Chiang Mai

Wed 14/5

14:55-15:00

1 stop30h 05m

£509

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Mon 21/4

12:35-21:50

1 stop27h 15m

Chiang Mai

Tue 13/5

23:05-06:55

2 stops37h 50m

£518

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Wed 23/4

22:40-21:50

1 stop17h 10m

Chiang Mai

Tue 13/5

23:05-17:45

1 stop24h 40m

£522

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Sun 1/6

19:00-23:25

2 stops22h 25m

Chiang Mai

Fri 6/6

08:00-06:40

2 stops28h 40m

£612

LondonChiang Mai

STN - CNX

STNCNX

London Stansted

Thu 8/5

07:35-08:45

2 stops19h 10m

Chiang Mai

Thu 15/5

21:10-11:55

2 stops20h 45m

£667

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Sun 18/5

20:55-09:20

2 stops30h 25m

Chiang Mai

Mon 26/5

20:00-07:00

2 stops41h 00m

£673

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Wed 23/4

11:00-13:40

1 stop20h 40m

Chiang Mai

Sat 10/5

14:40-16:35

1 stop31h 55m

£674

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 44 results
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Best time to book a flight from London to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from London 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 London to Chiang Mai

How far ahead should I book a flight from London to Chiang Mai?

Use this chart to determine the optimal time to book a return flight from London to Chiang Mai. Price data was last updated on 21 March 2025.

To ensure you get the cheapest price possible for a flight from London to Chiang Mai, you should look to book at least 53 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, April is the cheapest month in which you can book a flight from London to Chiang Mai (average of £776). Flying from London to Chiang Mai in July is currently the most expensive (average of £1,403). 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.

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

Find hourly flight availability from London to Chiang Mai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2025.

It’s optimal to fly from London to Chiang Mai in the afternoon. By choosing this option you can save up to 41% on the cost of your flight, compared to a flight at midday.

Rainfall in Chiang Mai by month

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

In terms of precipitation, rainfall in Chiang Mai ranges from 0.0 - 250.0 inches per month. September is typically the wettest month, when rainfall can reach 250.0 mm. January is typically the driest time to visit Chiang Mai when rainfall is around 0.0 mm.

Temperature in Chiang Mai by month

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

If weather is an important factor for your trip to Chiang Mai, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.0 C).

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. 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 Chiang Mai. Reviews last updated 25 March 2025.
Read through reviews of airlines operating flights from London to Chiang Mai, such as Singapore Airlines, Emirates and KLM. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Entertainment

8.0

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2024

SIN - LAX

Everything was poor and I had asked for some food and they told me to go to the serving place and get it . They weren’t very friendly and again I wanted upgrade to business and seats were empty and they said it was full . Will never fly with Singapore airlines
Singapore Airlines
8.1
Very Good
1,284 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Entertainment

8.0

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2024

SIN - LAX

Everything was poor and I had asked for some food and they told me to go to the serving place and get it . They weren’t very friendly and again I wanted upgrade to business and seats were empty and they said it was full . Will never fly with Singapore airlines
Emirates
8.0
Very Good
3,190 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Entertainment

8.0

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2024

SIN - LAX

Everything was poor and I had asked for some food and they told me to go to the serving place and get it . They weren’t very friendly and again I wanted upgrade to business and seats were empty and they said it was full . Will never fly with Singapore airlines
KLM
7.8
Good
1,318 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Entertainment

8.0

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2024

SIN - LAX

Everything was poor and I had asked for some food and they told me to go to the serving place and get it . They weren’t very friendly and again I wanted upgrade to business and seats were empty and they said it was full . Will never fly with Singapore airlines
Thai Airways
7.8
Good
316 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Entertainment

8.0

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2024

SIN - LAX

Everything was poor and I had asked for some food and they told me to go to the serving place and get it . They weren’t very friendly and again I wanted upgrade to business and seats were empty and they said it was full . Will never fly with Singapore airlines
SWISS
7.5
Good
1,569 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Entertainment

8.0

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Food

7.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2024

SIN - LAX

Everything was poor and I had asked for some food and they told me to go to the serving place and get it . They weren’t very friendly and again I wanted upgrade to business and seats were empty and they said it was full . Will never fly with Singapore airlines

Related info for your journey

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

    Most people fly into Chiang Mai (CNX) if they book a flight to Chiang Mai from London. On average, Chiang Mai has 0 inbound flights from London per day from 7 airlines. Chiang Mai is conveniently located just 1.9 mi from Chiang Mai’s city center.

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

    China Eastern, at £500, was found to be the cheapest airline from London to Chiang Mai.Alternate airlines flying return to your destination include China Southern and Air China. China Eastern is priced at 31% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with China Southern, which is currently one of the cheapest options available, starting at £353. China Eastern flights start at £370 while deals on Air China start at £391 one-way.

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

    While some choose either London Gatwick - Chiang Mai or London Stansted - Chiang Mai, London Heathrow - Chiang Mai is the most popular route from London to Chiang Mai.

  • Where are the most common stopover locations when flying from London to Chiang Mai?

    London to Chiang Mai flights have a stopover in Bangkok most often.

  • What are some popular things to do or see while on a stopover in Bangkok?

    Most Bangkok visitors opt to spend their time experiencing Pratunam, Thailand Cultural Center, and Siam Square. Travelers on a layover in Bangkok can visit Pratunam, Thailand Cultural Center, and Siam Square, by traveling 14.8 mi, 13.1 mi, and 15.1 mi, respectively after landing at Bangkok Suvarnabhumi. Those on a stopover in Bangkok in need of a car hire can book one at Bangkok Suvarnabhumi for about £19.

  • Where are the least popular stopover locations for London to Chiang Mai flights?

    Of the flights from London to Chiang Mai that have stopovers, the fewest flights stop in Shanghai.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Chiang Mai 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 London to Chiang Mai?

    Currently, April is the cheapest month in which you can book a flight from London to Chiang Mai (average of £776). Flying from London to Chiang Mai in July is currently the most expensive (average of £1,403). 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

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Alternative routes for London to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from London to Chiang Mai

Discover the top 7 airlines that operate flights from London to Chiang Mai. 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£436Average£474FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£445Average£538FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£483Average£595FlexibilityNo cancel feeOn-time67%
Search Air China flights
Etihad AirwaysCheapest£622Average£719FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Malaysia AirlinesCheapest£628Average£791FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
EVA AirCheapest£703Average£777FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Thai AirwaysCheapest£726Average£861FlexibilityNo 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 London to Chiang Mai?

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

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

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

Yes, we can. To see specific flights from London to Chiang Mai with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Of course! You can now track prices for flights from London to Chiang Mai and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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