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Cheap flights from London to Chiang Mai from £342

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 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CNX
26 Feb — 5 Mar1
1 adult

The best prices from London to Chiang Mai are usually found in March or February, booked 16 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 21 February 2025.

Round-trip from

£505

One-way from

£342

Popular in

July

Cheapest in

March

Average price

£612
China Eastern
  • China Eastern
  • 6/3-27/3
  • 6 total stops
  • 67h 05m total
  • London to Chiang Mai
China Eastern
  • China Eastern
  • 19/3
  • 1 total stop
  • 34h 20m total
  • London to Chiang Mai
Highest demand for flights based on searches. 17% potential increase in price (£121 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
Average for round-trip flights in February 2025

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 21 February 2025.

Thu 6/317:50LHR - CNX
3 stops32h 15mChina Eastern
Thu 27/310:05CNX - LHR
3 stops34h 50mChina Eastern
Deal found 20/2£505
Thu 6/310:30LGW - CNX
2 stops25h 20mMultiple Airlines
Thu 27/310:05CNX - LGW
3 stops27h 25mMultiple Airlines
Deal found 20/2£506
Tue 1/412:35LGW - CNX
1 stop27h 15mAir China
Tue 8/423:05CNX - LGW
1 stop37h 30mAir China
Deal found 20/2£509
Wed 12/322:00LHR - CNX
1 stop36h 50mChina Southern
Thu 1/511:30CNX - LHR
2 stops36h 35mChina Southern
Deal found 19/2£510
Fri 14/317:40LHR - CNX
1 stop21h 10mAir China
Fri 21/323:05CNX - LHR
2 stops27h 35mAir China
Deal found 20/2£512
Sun 18/520:50LHR - CNX
2 stops30h 30mMultiple Airlines
Wed 28/520:00CNX - LHR
2 stops29h 10mMultiple Airlines
Deal found 20/2£514
Sat 22/217:00LGW - CNX
2 stops33h 05mChina Eastern
Sat 22/310:05CNX - LGW
3 stops27h 25mChina Eastern
Deal found 20/2£517
Sat 22/220:05LHR - CNX
2 stops32h 15mOman Air
Sat 22/312:10CNX - LHR
2 stops37h 15mOman Air
Deal found 20/2£612
Tue 1/407:05STN - CNX
3 stops34h 10mMultiple Airlines
Tue 8/421:10CNX - STN
2 stops22h 25mMultiple Airlines
Deal found 20/2£616
Wed 21/508:40LHR - CNX
2 stops23h 05mKLM
Tue 1/720:00CNX - LHR
2 stops30h 55mKLM
Deal found 19/2£651
Sun 2/1113:55LHR - CNX
1 stop33h 00mEtihad Airways
Mon 17/1108:45CNX - LHR
1 stop34h 20mEtihad Airways
Deal found 20/2£671
Sat 8/1110:25LHR - CNX
1 stop18h 00mMalaysia Airlines
Fri 21/1112:25CNX - LHR
1 stop34h 00mMalaysia Airlines
Deal found 20/2£681

Find flights from London to Chiang Mai within your budget

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 21 February 2025.

Fly from

London

Fly to

Chiang Mai

Route

Depart

Return

Price

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Thu 6/3

17:50-09:05

3 stops32h 15m

Chiang Mai

Thu 27/3

10:05-13:55

3 stops34h 50m

£505

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Thu 6/3

10:30-18:50

2 stops25h 20m

Chiang Mai

Thu 27/3

10:05-06:30

3 stops27h 25m

£506

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Tue 1/4

12:35-21:50

1 stop27h 15m

Chiang Mai

Tue 8/4

23:05-06:35

1 stop37h 30m

£509

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Wed 12/3

22:00-17:50

1 stop36h 50m

Chiang Mai

Thu 1/5

11:30-18:05

2 stops36h 35m

£510

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Fri 14/3

17:40-21:50

1 stop21h 10m

Chiang Mai

Fri 21/3

23:05-19:40

2 stops27h 35m

£512

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Sun 18/5

20:50-09:20

2 stops30h 30m

Chiang Mai

Wed 28/5

20:00-19:10

2 stops29h 10m

£514

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Thu 1/5

18:00-13:25

1 stop37h 25m

Chiang Mai

Sat 31/5

10:05-16:00

3 stops35h 55m

£524

LondonChiang Mai

STN - CNX

STNCNX

London Stansted

Tue 1/4

07:05-23:15

3 stops34h 10m

Chiang Mai

Tue 8/4

21:10-13:35

2 stops22h 25m

£616

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Wed 21/5

08:40-13:45

2 stops23h 05m

Chiang Mai

Tue 1/7

20:00-20:55

2 stops30h 55m

£651

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Thu 6/3

16:50-18:50

1 stop19h 00m

Chiang Mai

Thu 27/3

19:40-15:00

1 stop26h 20m

£690

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 47 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.

Travel insights for flights from London to Chiang Mai

Get recent, data-driven insights about flights from London to Chiang Mai including ideal travel times, pricing trends, and more.

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 14 February 2025.

To ensure you get the cheapest price possible for a flight from London to Chiang Mai, you should look to book at least 16 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 21 February 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 21 February 2025.
Read through reviews of airlines operating flights from London to Chiang Mai, such as EVA Air, Asiana Airlines and China Airlines. 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.

Entertainment

8.0

Boarding

8.4

Food

8.0

Comfort

8.2

Overall

8.4

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Entertainment

8.0

Boarding

8.4

Food

8.0

Comfort

8.2

Overall

8.4

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Entertainment

8.0

Boarding

8.4

Food

8.0

Comfort

8.2

Overall

8.4

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Entertainment

8.0

Boarding

8.4

Food

8.0

Comfort

8.2

Overall

8.4

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Entertainment

8.0

Boarding

8.4

Food

8.0

Comfort

8.2

Overall

8.4

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

Entertainment

8.0

Boarding

8.4

Food

8.0

Comfort

8.2

Overall

8.4

Crew

8.6

Reviews

1 / 20

10.0
Excellent

Piotr,Feb 2025

TPE - ORD

It is always a pleasure to travel with EVA Air.

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 £505, was found to be the cheapest airline from London to Chiang Mai.Alternate airlines flying return to your destination include Air China and China Southern. China Eastern is priced at 32% 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 Eastern, which is currently one of the cheapest options available, starting at £342. Etihad Airways flights start at £415 while deals on China Southern start at £428 one-way.

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

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

  • 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 Patpong Night Market. Travelers on a layover in Bangkok can visit Pratunam, Thailand Cultural Center, and Patpong Night Market, by traveling 14.8 mi, 13.1 mi, and 14.9 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 £23.

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

  • 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.

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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£446Average£497FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£455Average£550FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£496Average£625FlexibilityNo cancel feeOn-time67%
Search Air China flights
Etihad AirwaysCheapest£634Average£698FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Malaysia AirlinesCheapest£654Average£825FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
EVA AirCheapest£720Average£796FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Thai AirwaysCheapest£747Average£887FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

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