Cheap flights from London to Chiang Mai from £262
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 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
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 1 July 2025.
Round-trip from | £572 |
---|---|
One-way from | £262 |
Popular in | August |
Cheapest in | March |
Average price | £938 |
Find flight deals from London to Chiang Mai
Cheapest flights from London to Chiang MaiExplore 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 1 July 2025.
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 1 July 2025.
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 1 July 2025.
Use the filters below to find and compare flights from London to Chiang Mai that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonChiang Mai
LGW - CNX
LGWCNX
London Gatwick
Fri 14/11
10:30-15:25
2 stops21h 55m
Chiang Mai
Fri 21/11
16:25-06:30
3 stops45h 05m
LondonChiang Mai
LGW - CNX
LGWCNX
London Gatwick
Mon 11/8
06:00-14:50
3 stops26h 50m
Chiang Mai
Thu 21/8
08:00-07:10
2 stops29h 10m
LondonChiang Mai
LHR - CNX
LHRCNX
London Heathrow
Tue 16/9
20:50-23:25
2 stops20h 35m
Chiang Mai
Sat 27/9
22:25-19:10
2 stops26h 45m
LondonChiang Mai
STN - CNX
STNCNX
London Stansted
Sat 27/9
07:30-23:25
3 stops33h 55m
Chiang Mai
Fri 17/10
17:20-12:55
2 stops25h 35m
LondonChiang Mai
LHR - CNX
LHRCNX
London Heathrow
Wed 24/9
21:20-15:20
2 stops36h 00m
Chiang Mai
Sat 29/11
15:35-17:30
1 stop32h 55m
LondonChiang Mai
LHR - CNX
LHRCNX
London Heathrow
Sun 14/9
16:00-16:15
2 stops18h 15m
Chiang Mai
Sat 27/9
16:55-06:25
2 stops19h 30m
LondonChiang Mai
LHR - CNX
LHRCNX
London Heathrow
Wed 24/9
20:25-21:50
1 stop19h 25m
Chiang Mai
Sat 29/11
23:05-15:55
1 stop23h 50m
LondonChiang Mai
LGW - CNX
LGWCNX
London Gatwick
Fri 26/12
11:35-21:50
1 stop27h 15m
Chiang Mai
Thu 15/1
23:05-06:55
2 stops38h 50m
LondonChiang Mai
LGW - CNX
LGWCNX
London Gatwick
Sun 14/9
18:40-13:45
2 stops37h 05m
Chiang Mai
Sat 27/9
20:00-17:50
2 stops51h 50m
LondonChiang Mai
LHR - CNX
LHRCNX
London Heathrow
Sat 27/9
21:25-11:40
1 stop32h 15m
Chiang Mai
Fri 17/10
09:25-19:15
1 stop15h 50m
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.
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 27 June 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 £1,360). 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 1 July 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.
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 1 July 2025.
See what other customers who have flown with Emirates, KLM, andChina Southern from London to Chiang Mai have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Anonymous,Jun 2025
ATH - EWR
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Anonymous,Jun 2025
ATH - EWR
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Anonymous,Jun 2025
ATH - EWR
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Anonymous,Jun 2025
ATH - EWR
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Anonymous,Jun 2025
ATH - EWR
Comfort
Boarding
Food
Crew
Entertainment
Overall
Reviews
Anonymous,Jun 2025
ATH - EWR
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for London to Chiang Mai
See prices for flight routes from nearby airports that may be better suited for you.
Top 9 airlines flying from London to Chiang Mai
Discover the top 9 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 1 July 2025.
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?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Chiang Mai from London today with Cheapflights!
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.