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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — CNX
4 Jan — 11 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Chiang Mai are usually found in March or May, booked 76 days in advance, depart on a Thursday or Tuesday and return on a Monday
Cheap flight deals from London to Chiang Mai
Enter your travel dates to find the best prices.
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 5 December 2025.
Tue 16/1207:20LGW - CNX
2 stops48h 00mMultiple Airlines
Thu 25/1207:05CNX - LGW
1 stop18h 15mMultiple Airlines
Deal found 3/12£607
Tue 2/1222:10LHR - CNX
2 stops26h 10mMultiple Airlines
Sun 14/1208:50CNX - LHR
1 stop16h 20mMultiple Airlines
Deal found 2/12£614
Thu 4/1221:35LHR - CNX
2 stops27h 00mMultiple Airlines
Sun 14/1208:50CNX - LHR
1 stop16h 20mMultiple Airlines
Deal found 2/12£625
Mon 8/1208:25LHR - CNX
2 stops22h 30mMultiple Airlines
Fri 26/1216:25CNX - LHR
2 stops32h 05mMultiple Airlines
Deal found 4/12£627
Mon 8/1206:25LTN - CNX
3 stops27h 35mMultiple Airlines
Mon 15/1211:55CNX - LTN
3 stops42h 15mMultiple Airlines
Deal found 3/12£632
Sun 7/1220:15LHR - CNX
1 stop30h 35mCathay Pacific
Thu 29/110:35CNX - LHR
1 stop37h 45mCathay Pacific
Deal found 2/12£640
Thu 25/1221:00LHR - CNX
2 stops29h 05mChina Eastern
Tue 3/223:20CNX - LHR
1 stop25h 10mChina Eastern
Deal found 3/12£648
Wed 17/1215:25LGW - CNX
2 stops39h 55mMultiple Airlines
Thu 25/1207:05CNX - LGW
1 stop18h 15mMultiple Airlines
Deal found 3/12£653
Wed 10/1207:00LHR - CNX
2 stops24h 20mMultiple Airlines
Sun 25/116:25CNX - LHR
2 stops32h 05mMultiple Airlines
Deal found 2/12£666
Tue 2/1221:00LHR - CNX
1 stop34h 20mChina Eastern
Sun 14/1215:35CNX - LHR
1 stop32h 55mChina Eastern
Deal found 2/12£668
Thu 25/1210:30LGW - CNX
1 stop20h 50mChina Eastern
Tue 3/223:20CNX - LGW
1 stop21h 40mChina Eastern
Deal found 3/12£672
Wed 3/1211:00LHR - CNX
2 stops27h 10mMultiple Airlines
Wed 17/1215:15CNX - LHR
2 stops23h 00mMultiple Airlines
Deal found 2/12£678
Best flights from London to Chiang Mai
Discover carefully curated flight deals from London to Chiang Mai that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 December 2025.
Wed 14/110:30LGW - CNX
1 stop20h 50mChina Eastern
Wed 28/110:05CNX - LGW
2 stops27h 25mChina Eastern
Deal found 4/12£524
Sun 11/117:00LGW - CNX
1 stop20h 05mMultiple Airlines
Wed 28/110:35CNX - LGW
2 stops26h 55mMultiple Airlines
Deal found 4/12£575
Mon 4/519:30LHR - CNX
2 stops17h 40mAustrian Airlines
Mon 11/521:10CNX - LHR
2 stops17h 10mAustrian Airlines
Deal found 3/12£581
Wed 21/120:15STN - CNX
2 stops17h 45mEmirates
Mon 2/221:40CNX - STN
2 stops21h 25mEmirates
Deal found 3/12£764
Mon 2/309:15LCY - CNX
2 stops21h 30mSWISS
Mon 9/310:10CNX - LCY
2 stops29h 30mSWISS
Deal found 2/12£824
Sun 11/109:25LGW - CNX
1 stop23h 20mSingapore Airlines
Wed 11/216:45CNX - LGW
1 stop20h 40mSingapore Airlines
Deal found 4/12£912
Thu 15/110:30LGW - CNX
1 stop20h 50mChina Eastern
Wed 28/110:05CNX - LGW
2 stops27h 25mChina Eastern
Deal found 4/12£524
Thu 15/110:30LGW - CNX
1 stop20h 50mMultiple Airlines
Tue 27/122:25CNX - LGW
2 stops22h 35mMultiple Airlines
Deal found 4/12£608
Mon 16/214:30LTN - CNX
3 stops24h 00mMultiple Airlines
Tue 3/307:05CNX - LTN
3 stops47h 05mMultiple Airlines
Deal found 2/12£608
Fri 9/106:50LTN - CNX
2 stops24h 30mMultiple Airlines
Sat 24/107:05CNX - LTN
3 stops47h 10mMultiple Airlines
Deal found 4/12£609
Thu 25/1211:00LHR - CNX
1 stop39h 50mCathay Pacific
Sun 11/110:35CNX - LHR
1 stop40h 35mCathay Pacific
Deal found 4/12£1,523
Wed 21/120:25LGW - CNX
2 stops17h 35mEmirates
Mon 2/221:40CNX - LGW
2 stops21h 00mEmirates
Deal found 3/12£769
Tue 16/1213:55LHR - CNX
1 stop33h 10mEtihad Airways
Sun 28/1208:50CNX - LHR
1 stop28h 50mEtihad Airways
Deal found 3/12£1,566
Tue 16/1209:30LHR - CNX
2 stops26h 30mGulf Air
Thu 8/112:10CNX - LHR
2 stops33h 35mGulf Air
Deal found 4/12£1,614
Thu 1/110:30LGW - CNX
1 stop20h 50mChina Eastern
Thu 29/115:35CNX - LGW
1 stop29h 25mChina Eastern
Deal found 3/12£749
Mon 12/108:00LTN - CNX
2 stops23h 20mMultiple Airlines
Thu 29/108:05CNX - LTN
3 stops47h 55mMultiple Airlines
Deal found 3/12£623
Thu 18/1217:40LHR - CNX
1 stop21h 10mAir China
Sun 28/1223:05CNX - LHR
1 stop23h 50mAir China
Deal found 3/12£1,688
Sun 18/120:15STN - CNX
2 stops17h 45mEmirates
Wed 28/121:40CNX - STN
2 stops21h 25mEmirates
Deal found 4/12£769
Fri 9/105:55STN - CNX
3 stops31h 20mMultiple Airlines
Mon 19/109:10CNX - STN
3 stops42h 15mMultiple Airlines
Deal found 4/12£627
Sun 1/209:25LGW - CNX
1 stop47h 20mSingapore Airlines
Mon 2/316:45CNX - LGW
1 stop20h 40mSingapore Airlines
Deal found 3/12£918
Mon 19/120:15STN - CNX
2 stops17h 45mEmirates
Mon 26/121:40CNX - STN
2 stops27h 15mEmirates
Deal found 4/12£769
Tue 13/109:15LCY - CNX
2 stops21h 30mSWISS
Tue 27/110:10CNX - LCY
2 stops29h 35mSWISS
Deal found 4/12£944
Sun 18/108:30STN - CNX
2 stops17h 15mMultiple Airlines
Thu 29/111:55CNX - STN
3 stops43h 25mMultiple Airlines
Deal found 3/12£628
Sat 27/1210:30LGW - CNX
2 stops21h 55mChina Eastern
Sat 17/115:35CNX - LGW
1 stop29h 25mChina Eastern
Deal found 4/12£844
Sun 18/120:15STN - CNX
2 stops17h 45mEmirates
Mon 26/121:40CNX - STN
2 stops27h 15mEmirates
Deal found 4/12£769
Tue 10/206:25LTN - CNX
3 stops32h 15mMultiple Airlines
Tue 5/506:35CNX - LTN
3 stops42h 50mMultiple Airlines
Deal found 3/12£631
Thu 15/109:15LCY - CNX
2 stops21h 30mSWISS
Thu 29/110:10CNX - LCY
2 stops33h 45mSWISS
Deal found 3/12£1,019
Tue 13/120:15STN - CNX
2 stops41h 45mEmirates
Sun 25/121:40CNX - STN
2 stops27h 15mEmirates
Deal found 4/12£769
Mon 12/113:30LCY - CNX
2 stops17h 15mSWISS
Thu 29/110:10CNX - LCY
2 stops29h 35mSWISS
Deal found 3/12£1,019
Mon 19/120:15STN - CNX
2 stops17h 45mEmirates
Tue 27/121:40CNX - STN
2 stops21h 25mEmirates
Deal found 4/12£769
Last-minute flights from London to Chiang Mai
Discover last-minute flight deals from London to Chiang Mai. Data last updated 5 December 2025 and is based on user searches.
Sun 11/120:25LHR - CNX
1 stop18h 25mAir China
Thu 29/123:05CNX - LHR
1 stop25h 45mAir China
Deal found 4/12£492
Tue 13/117:40LHR - CNX
1 stop21h 10mAir China
Tue 27/123:05CNX - LHR
1 stop25h 45mAir China
Deal found 4/12£507
Wed 14/120:25LHR - CNX
1 stop18h 25mAir China
Tue 27/123:05CNX - LHR
1 stop23h 50mAir China
Deal found 4/12£499
Wed 14/110:30LGW - CNX
1 stop20h 50mChina Eastern
Sat 24/110:05CNX - LGW
2 stops34h 55mChina Eastern
Deal found 4/12£507
Thu 15/121:00LHR - CNX
2 stops29h 05mChina Eastern
Thu 29/115:35CNX - LHR
1 stop32h 55mChina Eastern
Deal found 3/12£483
Thu 15/120:25LHR - CNX
1 stop18h 25mAir China
Sun 8/223:05CNX - LHR
1 stop23h 50mAir China
Deal found 2/12£492
Thu 15/120:25LHR - CNX
1 stop18h 25mAir China
Thu 22/123:05CNX - LHR
1 stop25h 45mAir China
Deal found 4/12£501
Fri 16/121:00LHR - CNX
2 stops29h 05mChina Eastern
Fri 23/115:35CNX - LHR
1 stop32h 55mChina Eastern
Deal found 1/12£489
Sat 17/110:30LGW - CNX
1 stop20h 50mChina Eastern
Sun 25/115:35CNX - LGW
1 stop29h 25mChina Eastern
Deal found 4/12£484
Sat 17/110:30LGW - CNX
2 stops21h 55mChina Eastern
Sat 24/116:25CNX - LGW
2 stops28h 35mChina Eastern
Deal found 4/12£486
Sat 17/120:25LHR - CNX
1 stop18h 25mAir China
Sat 7/223:05CNX - LHR
1 stop25h 45mAir China
Deal found 2/12£490
Thu 22/121:00LHR - CNX
2 stops35h 25mChina Eastern
Mon 26/110:05CNX - LHR
2 stops38h 25mChina Eastern
Deal found 1/12£488
One-way flights from London to Chiang Mai
Search for one-way flight options from London to Chiang Mai. Find affordable one-way fares based on user searches. Data last updated 5 December 2025.
Thu 8/114:00LTN - CNX
3 stops58h 20mMultiple Airlines
Deal found 4/12£334
Sat 3/115:40LGW - CNX
2 stops23h 55mMultiple Airlines
Deal found 3/12£335
Thu 8/114:35STN - CNX
3 stops34h 00mMultiple Airlines
Deal found 3/12£335
Mon 5/121:10LHR - CNX
2 stops36h 50mMultiple Airlines
Deal found 3/12£335
Sat 17/117:40LHR - CNX
1 stop21h 10mAir China
Deal found 3/12£339
Sat 24/113:55LGW - CNX
3 stops58h 25mMultiple Airlines
Deal found 3/12£340
Tue 6/110:30LGW - CNX
2 stops40h 45mMultiple Airlines
Deal found 3/12£341
Mon 5/122:40STN - CNX
3 stops59h 00mMultiple Airlines
Deal found 3/12£342
Wed 21/108:50LHR - CNX
1 stop14h 15mEtihad Airways
Deal found 3/12£342
Tue 3/219:20LHR - CNX
1 stop27h 45mEtihad Airways
Deal found 4/12£344
Wed 7/121:00LHR - CNX
2 stops27h 20mMultiple Airlines
Deal found 3/12£346
Mon 19/121:00LHR - CNX
2 stops27h 20mMultiple Airlines
Deal found 3/12£348
Find 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 5 December 2025.
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 5 December 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
LGW - CNX
LGWCNX
London Gatwick
Wed 14/1
10:30-14:20
1 stop20h 50m
Chiang Mai
Wed 28/1
10:05-06:30
2 stops27h 25m
£524
LondonChiang Mai
LGW - CNX
LGWCNX
London Gatwick
Thu 15/1
10:30-14:20
1 stop20h 50m
Chiang Mai
Wed 28/1
10:05-06:30
2 stops27h 25m
£524
LondonChiang Mai
LGW - CNX
LGWCNX
London Gatwick
Sun 11/1
17:00-20:05
1 stop20h 05m
Chiang Mai
Wed 28/1
10:35-06:30
2 stops26h 55m
£575
LondonChiang Mai
LHR - CNX
LHRCNX
London Heathrow
Mon 4/5
19:30-19:10
2 stops17h 40m
Chiang Mai
Mon 11/5
21:10-08:20
2 stops17h 10m
£581
LondonChiang Mai
LGW - CNX
LGWCNX
London Gatwick
Thu 15/1
10:30-14:20
1 stop20h 50m
Chiang Mai
Tue 27/1
22:25-14:00
2 stops22h 35m
£608
LondonChiang Mai
LTN - CNX
LTNCNX
London Luton
Mon 16/2
14:30-21:30
3 stops24h 00m
Chiang Mai
Tue 3/3
07:05-23:10
3 stops47h 05m
£608
LondonChiang Mai
LTN - CNX
LTNCNX
London Luton
Fri 9/1
06:50-14:20
2 stops24h 30m
Chiang Mai
Sat 24/1
07:05-23:15
3 stops47h 10m
£609
LondonChiang Mai
LTN - CNX
LTNCNX
London Luton
Mon 12/1
08:00-14:20
2 stops23h 20m
Chiang Mai
Thu 29/1
08:05-01:00
3 stops47h 55m
£623
LondonChiang Mai
STN - CNX
STNCNX
London Stansted
Fri 9/1
05:55-20:15
3 stops31h 20m
Chiang Mai
Mon 19/1
09:10-20:25
3 stops42h 15m
£627
LondonChiang Mai
STN - CNX
STNCNX
London Stansted
Sun 18/1
08:30-08:45
2 stops17h 15m
Chiang Mai
Thu 29/1
11:55-00:20
3 stops43h 25m
£628
Flights are sorted by cheapest return flights first.
Deals found on 4/12
Showing 1-10 of 60 results
1
2
3
...
6
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 28 November 2025.
To ensure you get the cheapest price possible for a flight from London to Chiang Mai, you should look to book at least 76 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, October is the cheapest month in which you can book a flight from London to Chiang Mai (average of £425). Flying from London to Chiang Mai in July is currently the most expensive (average of £652). 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 5 December 2025.
It’s optimal to fly from London to Chiang Mai in the afternoon. By choosing this option you can save up to 59% on the cost of your flight, compared to a flight at midday.
How much does it cost for a return flight from London to Chiang Mai?
What’s the top stopover airport for flights from London to Chiang Mai?
Share of one-stop return flights from London to Chiang Mai chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Bangkok (BKK) – chosen by Cheapflights users on 41% of one-stop itineraries from London to Chiang Mai on Cheapflights.
What’s the cheapest stopover airport for flights from London to Chiang Mai?
Average return fare for one-stop flights from London to Chiang Mai, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Guangzhou (CAN) is the most affordable one-stop option, with an average return flight price of £525.
What’s the fastest stopover option from London to Chiang Mai?
Shortest average travel time for one-stop one-way flights from London to Chiang Mai, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Bangkok (BKK) have the shortest average one-way travel time for one-stop routes: 14h 45m.
Which airport typically offers the quickest stopover for flights from London to Chiang Mai?
Average stopover duration for one-stop one-way flights from London to Chiang Mai, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Bangkok (BKK) offer the fastest connection on this route, with an average stopover time of 1h 48m.
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 5 December 2025.
See what other customers who have flown with Thai Airways, Etihad Airways, andMalaysia Airlines 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.
The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
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 10 airlines. Chiang Mai is conveniently located just 1.9 mi from Chiang Mai’s city center.
How long is the flight from London to Chiang Mai?
Airlines like China Eastern, Austrian Airlines, and Emirates fly from London to Chiang Mai in about 17h 40m. The time it takes to get you to your destination can typically vary by up to 3h 10m. London and Chiang Mai are separated by a distance of 5598 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from London to Chiang Mai round-trip?
China Southern, at £422, was found to be the cheapest airline from London to Chiang Mai.Alternate airlines flying return to your destination include Air China and China Eastern. China Southern is priced at 39% 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 Air China, which is currently one of the cheapest options available, starting at £311. China Eastern flights start at £326 while deals on Etihad Airways start at £376 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, Siam Square, and Thailand Cultural Center. Travelers on a layover in Bangkok can visit Pratunam, Siam Square, and Thailand Cultural Center, by traveling 14.8 mi, 15.1 mi, and 13.1 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, October is the cheapest month in which you can book a flight from London to Chiang Mai (average of £425). Flying from London to Chiang Mai in July is currently the most expensive (average of £652). 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.
Explore flights to Chiang Mai departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 5 December 2025.
Discover the top 10 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 5 December 2025.
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.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.