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Cheap flights from the United Kingdom to Chiang Mai from £272

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 31/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNX
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Chiang Mai

Keep the following information in mind while searching for United Kingdom to Chiang Mai flight deals. Data was last updated 5 November 2025.

Round-trip from

£470

One-way from

£272

Popular in

August

Cheapest in

March

Average price

£584
1/12-8/12
  • 1/12-8/12
  • 5 total stops
  • 62h 50m total
  • United Kingdom to Chiang Mai
Search Deals
31/3
  • 31/3
  • 3 total stops
  • 43h 45m total
  • United Kingdom to Chiang Mai
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£128 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from United Kingdom to Chiang Mai

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Chiang Mai
Explore the most affordable flight options available from United Kingdom to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2025.

Mon 1/1211:30MAN - CNX
3 stops27h 00mMultiple Airlines
Mon 8/1208:50CNX - MAN
2 stops35h 50mMultiple Airlines
Deal found 3/11£470
Wed 12/1110:30LGW - CNX
2 stops39h 35mChina Eastern
Wed 26/1115:35CNX - LGW
1 stop21h 55mChina Eastern
Deal found 4/11£486
Wed 12/1110:30LGW - CNX
2 stops39h 35mChina Eastern
Fri 5/1215:35CNX - LGW
1 stop21h 55mChina Eastern
Deal found 3/11£487
Thu 4/1210:30LGW - CNX
3 stops39h 35mChina Eastern
Thu 11/1216:25CNX - LGW
2 stops21h 05mChina Eastern
Deal found 4/11£489
Wed 3/1210:30LGW - CNX
1 stop20h 50mChina Eastern
Thu 29/110:05CNX - LGW
3 stops34h 55mChina Eastern
Deal found 2/11£490
Mon 1/1217:00LGW - CNX
3 stops33h 05mChina Eastern
Tue 16/1210:05CNX - LGW
2 stops27h 25mChina Eastern
Deal found 3/11£491
Wed 26/1120:25LHR - CNX
1 stop18h 25mAir China
Sat 29/1123:05CNX - LHR
1 stop23h 50mAir China
Deal found 4/11£492
Thu 4/1209:15LTN - CNX
2 stops29h 35mMultiple Airlines
Thu 11/1223:05CNX - LTN
2 stops28h 50mMultiple Airlines
Deal found 4/11£493
Thu 4/1210:30LGW - CNX
1 stop20h 50mChina Eastern
Sat 31/116:25CNX - LGW
2 stops52h 35mChina Eastern
Deal found 2/11£494
Fri 14/1110:30LGW - CNX
1 stop20h 50mChina Eastern
Sat 29/1116:25CNX - LGW
3 stops52h 35mChina Eastern
Deal found 3/11£496
Fri 21/1117:40LHR - CNX
1 stop21h 10mAir China
Wed 17/1223:05CNX - LHR
1 stop23h 50mAir China
Deal found 2/11£498
Thu 4/1220:25LHR - CNX
1 stop18h 25mAir China
Thu 11/1223:05CNX - LHR
1 stop23h 50mAir China
Deal found 4/11£502

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom 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 November 2025.
Use the filters below to find and compare flights from the United Kingdom to Chiang Mai that are best for you.

Fly from

United Kingdom

Fly to

Chiang Mai

Route

Depart

Return

Price

LondonChiang Mai

LTN - CNX

LTNCNX

London Luton

Thu 4/12

09:15-21:50

2 stops29h 35m

Chiang Mai

Thu 11/12

23:05-20:55

2 stops28h 50m

£493

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Wed 21/1

17:00-15:25

3 stops39h 25m

Chiang Mai

Mon 2/2

10:05-06:30

2 stops27h 25m

£495

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Fri 14/11

10:30-14:20

1 stop20h 50m

Chiang Mai

Sat 29/11

16:25-14:00

3 stops52h 35m

£496

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Fri 21/11

17:40-21:50

1 stop21h 10m

Chiang Mai

Wed 17/12

23:05-15:55

1 stop23h 50m

£498

LondonChiang Mai

LTN - CNX

LTNCNX

London Luton

Mon 1/12

14:30-21:30

3 stops24h 00m

Chiang Mai

Mon 8/12

08:50-11:20

2 stops33h 30m

£503

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Fri 13/3

10:30-14:20

1 stop20h 50m

Chiang Mai

Sat 21/3

16:25-14:00

3 stops52h 35m

£510

LondonChiang Mai

STN - CNX

STNCNX

London Stansted

Thu 4/12

06:10-17:45

3 stops28h 35m

Chiang Mai

Thu 11/12

08:50-07:05

2 stops29h 15m

£512

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Fri 21/11

10:30-14:20

1 stop20h 50m

Chiang Mai

Wed 17/12

15:35-06:30

1 stop21h 55m

£519

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Sat 22/11

10:30-14:20

1 stop20h 50m

Chiang Mai

Sat 6/12

10:05-06:30

3 stops27h 25m

£519

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Mon 2/2

10:30-09:05

2 stops39h 35m

Chiang Mai

Sat 14/2

10:05-14:00

3 stops34h 55m

£525

Flights are sorted by cheapest return flights first.

Deals found on 3/11

Showing 1-10 of 60 results
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Best time to book a flight from United Kingdom to Chiang Mai

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

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

Currently, October is the cheapest month in which you can book a flight from United Kingdom to Chiang Mai (average of £437). Flying from United Kingdom 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 GB to CNX?

Find hourly flight availability from United Kingdom 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 November 2025.

It’s typically best to fly out from United Kingdom to Chiang Mai in the evening. Doing so could potentially save you 34% on the flight price compared to flying at midday, which is usually more expensive.

What is the cheapest day to fly from United Kingdom to Chiang Mai?

Use this chart to determine the cheapest time to fly return from United Kingdom to Chiang Mai. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their United Kingdom to Chiang Mai flight should consider departing on Sunday evenings when fares are most often at their lowest. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 2025.
See what other customers who have flown with EVA Air, Thai Airways, andEtihad Airways from the United Kingdom 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.
EVA Air
8.4
Very Good
1,270 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
EVA Air
8.4
Very Good
1,270 reviews
EVA Air
8.4
Very Good
1,270 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Thai Airways
7.8
Good
361 reviews
EVA Air
8.4
Very Good
1,270 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Etihad Airways
7.4
Good
1,285 reviews
EVA Air
8.4
Very Good
1,270 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
China Eastern
7.2
Good
174 reviews
EVA Air
8.4
Very Good
1,270 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Air China
7.1
Good
122 reviews
EVA Air
8.4
Very Good
1,270 reviews
Check prices

Comfort

8.3

Boarding

8.4

Food

8.1

Entertainment

8.0

Crew

8.6

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom 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 United Kingdom?

    If you book a flight to Chiang Mai from United Kingdom, you will be flying to Chiang Mai, which is the city’s only airport. Chiang Mai (CNX) is located 1.9 mi from the center of Chiang Mai.

  • How long is the flight from United Kingdom to Chiang Mai?

    A quick flight from United Kingdom to Chiang Mai can take about 21h 10m. China Eastern provides one of the quickest options available for as low as £498. The distance between United Kingdom and Chiang Mai is about 5598 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Most travelers choose London Heathrow - Chiang Mai, London Gatwick - Chiang Mai or London Stansted - Chiang Mai when deciding on the best route from United Kingdom to Chiang Mai.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Chiang Mai?

    Currently, October is the cheapest month in which you can book a flight from United Kingdom to Chiang Mai (average of £437). Flying from United Kingdom 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for United Kingdom to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from United Kingdom to Chiang Mai

Discover the top 10 airlines that operate flights from United Kingdom 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 November 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£431Average£586FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£466Average£660FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£468Average£590FlexibilityNo cancel feeOn-time67%
Search Air China flights
Etihad AirwaysCheapest£542Average£708FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Malaysia AirlinesCheapest£568Average£900FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Austrian AirlinesCheapest£589Average£787FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapest£672Average£772FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Cathay PacificCheapest£699Average£916FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
EVA AirCheapest£710Average£765FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Thai AirwaysCheapest£719Average£868FlexibilityNo 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 United Kingdom to Chiang Mai?

Cheapflights helps you search for flights from United Kingdom to Chiang Mai via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Chiang Mai from United Kingdom 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 United Kingdom to Chiang Mai with no change fees?

Need flexible booking options for your flight to Chiang Mai from United Kingdom? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on United Kingdom to Chiang Mai 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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