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Cheap flights from the United Kingdom to Chiang Mai from £285

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNX
3 Jul — 10 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap 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 3 June 2026.

Tue 1/1220:25
LHR
-
CNX
1 stop18h 25m
Air China
Thu 10/1223:05
CNX
-
LHR
1 stop25h 45m
Air China
Deal found 29/5£514
Sun 29/1117:40
LHR
-
CNX
1 stop21h 10m
Air China
Thu 3/1223:05
CNX
-
LHR
1 stop25h 45m
Air China
Deal found 29/5£515
Tue 1/1210:30
LGW
-
CNX
1 stop20h 50m
China Eastern
Fri 11/1215:35
CNX
-
LGW
1 stop29h 25m
China Eastern
Deal found 2/6£515
Fri 13/1117:40
LHR
-
CNX
1 stop21h 10m
Air China
Mon 30/1123:05
CNX
-
LHR
1 stop23h 50m
Air China
Deal found 1/6£515
Thu 26/1110:30
LGW
-
CNX
1 stop20h 50m
China Eastern
Thu 17/1215:35
CNX
-
LGW
1 stop21h 55m
China Eastern
Deal found 30/5£517
Fri 13/1110:30
LGW
-
CNX
1 stop20h 50m
China Eastern
Thu 26/1115:35
CNX
-
LGW
1 stop29h 25m
China Eastern
Deal found 1/6£518
Sun 1/1121:00
LHR
-
CNX
1 stop34h 20m
China Eastern
Mon 30/1115:35
CNX
-
LHR
1 stop32h 55m
China Eastern
Deal found 29/5£522
Fri 13/1117:00
LGW
-
CNX
2 stops33h 05m
China Eastern
Tue 1/1215:35
CNX
-
LGW
1 stop29h 25m
China Eastern
Deal found 1/6£523
Sat 14/1121:00
LHR
-
CNX
2 stops35h 25m
China Eastern
Mon 23/1110:05
CNX
-
LHR
2 stops38h 25m
China Eastern
Deal found 2/6£524
Mon 16/1117:00
LGW
-
CNX
1 stop38h 20m
China Eastern
Mon 30/1115:35
CNX
-
LGW
1 stop21h 55m
China Eastern
Deal found 1/6£526
Wed 18/1110:30
LGW
-
CNX
2 stops39h 35m
China Eastern
Thu 26/1110:05
CNX
-
LGW
3 stops27h 25m
China Eastern
Deal found 2/6£528
Sat 14/1121:00
LHR
-
CNX
1 stop34h 20m
China Eastern
Sat 28/1116:25
CNX
-
LHR
2 stops56h 05m
China Eastern
Deal found 2/6£528

Find 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 3 June 2026.

Round-trip from

£514

One-way from

£285

Popular in

July

Cheapest in

May

Average price

£740
Air China
  • Air China
  • 27/11-4/12
  • 2 total stops
  • 44h 10m total
  • United Kingdom to Chiang Mai
Search Deals
China Eastern
  • China Eastern
  • 9/9
  • 1 total stop
  • 37h 25m total
  • United Kingdom to Chiang Mai
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£88 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 3 June 2026.
Use the filters below to find and compare flights from the United Kingdom to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Mon 16/11

17:00-14:20

1 stop38h 20m

Chiang Mai

Mon 30/11

16:25-14:00

3 stops52h 35m

£523

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Thu 12/11

21:00-14:20

1 stop34h 20m

Chiang Mai

Thu 26/11

15:35-17:30

1 stop32h 55m

£546

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Wed 18/11

17:00-14:20

1 stop38h 20m

Chiang Mai

Sun 29/11

16:25-06:30

2 stops45h 05m

£572

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Sun 29/11

10:30-14:20

1 stop20h 50m

Chiang Mai

Thu 3/12

16:25-06:30

3 stops45h 05m

£573

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Wed 11/11

17:00-15:25

2 stops39h 25m

Chiang Mai

Mon 23/11

10:05-06:30

3 stops27h 25m

£578

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Thu 26/11

10:30-09:05

2 stops39h 35m

Chiang Mai

Thu 17/12

16:25-06:30

2 stops45h 05m

£578

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Sat 7/11

21:00-15:25

2 stops35h 25m

Chiang Mai

Sat 28/11

16:25-17:30

2 stops56h 05m

£604

ManchesterChiang Mai

MAN - CNX

MANCNX

Manchester

Tue 24/11

13:40-06:05

1 stop33h 25m

Chiang Mai

Sun 20/12

08:50-06:10

1 stop28h 20m

£619

ManchesterChiang Mai

MAN - CNX

MANCNX

Manchester

Wed 25/11

19:55-06:05

1 stop27h 10m

Chiang Mai

Mon 21/12

08:50-17:55

1 stop16h 05m

£620

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Wed 18/11

10:30-09:05

2 stops39h 35m

Chiang Mai

Thu 26/11

16:25-06:30

3 stops45h 05m

£626

Flights are sorted by cheapest return flights first.

Deals found on 2/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from United Kingdom to Chiang Mai (average of £241). Flying from United Kingdom to Chiang Mai in April is currently the most expensive (average of £416). 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.

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

Booking 48 days in advance of your planned departure date is, on average, the best time to get cheap flights from United Kingdom to Chiang Mai. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 3 June 2026.
See what other customers who have flown with Thai Airways,Cathay Pacific, 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.
Thai Airways
7.9
Good
404 reviews
Check prices

Boarding

7.9

Comfort

7.7

Overall

7.9

Crew

8.4

Food

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Thai Airways
7.9
Good
404 reviews
Thai Airways
7.9
Good
404 reviews
Check prices

Boarding

7.9

Comfort

7.7

Overall

7.9

Crew

8.4

Food

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Cathay Pacific
7.6
Good
1,356 reviews
Thai Airways
7.9
Good
404 reviews
Check prices

Boarding

7.9

Comfort

7.7

Overall

7.9

Crew

8.4

Food

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Etihad Airways
7.3
Good
1,444 reviews
Thai Airways
7.9
Good
404 reviews
Check prices

Boarding

7.9

Comfort

7.7

Overall

7.9

Crew

8.4

Food

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
China Eastern
7.3
Good
222 reviews
Thai Airways
7.9
Good
404 reviews
Check prices

Boarding

7.9

Comfort

7.7

Overall

7.9

Crew

8.4

Food

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing
Air China
7.3
Good
154 reviews
Thai Airways
7.9
Good
404 reviews
Check prices

Boarding

7.9

Comfort

7.7

Overall

7.9

Crew

8.4

Food

7.4

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

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 55m. China Eastern provides one of the quickest options available for as low as £803. The distance between United Kingdom and Chiang Mai is about 5561 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    For one-way options, check prices for China Eastern. According to our data, you can fly for as low as £241. Users have also found prices from £279 and £337 on Air China and Malaysia Airlines, respectively.

  • 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, January is the cheapest month in which you can book a flight from United Kingdom to Chiang Mai (average of £241). Flying from United Kingdom to Chiang Mai in April is currently the most expensive (average of £416). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for United Kingdom to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Suvarnabhumi flights
Gatwick to Suvarnabhumi flights
Stansted to Suvarnabhumi flights
London City to Suvarnabhumi flights
Heathrow to Don Mueang Intl flights
Gatwick to Don Mueang Intl flights
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Gatwick to Phuket City flights
Birmingham to Suvarnabhumi flights
Stansted to Phuket City flights
London City to Phuket City flights
Newcastle upon Tyne to Suvarnabhumi flights
Heathrow to Ko Samui flights
Manchester to Phuket City flights
Birmingham to Don Mueang Intl flights
Gatwick to Ko Samui flights
Glasgow Intl to Suvarnabhumi flights
London City to Ko Samui flights
Stansted to Ko Samui flights
Edinburgh to Suvarnabhumi flights
Southend to Suvarnabhumi flights
Heathrow to Chiang Mai flights
Gatwick to Chiang Mai flights
Newcastle upon Tyne to Don Mueang Intl flights
Luton to Phuket City flights
Aberdeen to Suvarnabhumi flights
Southampton to Suvarnabhumi flights
Stansted to Chiang Mai flights
Heathrow to Krabi flights
Edinburgh to Don Mueang Intl flights
London City to Chiang Mai flights
Gatwick to Krabi flights
Belfast Intl to Suvarnabhumi flights
Belfast City to Suvarnabhumi flights
Frankfurt to Suvarnabhumi flights
Stansted to Krabi flights
Birmingham to Phuket City flights
Bristol to Suvarnabhumi flights
Leeds to Suvarnabhumi flights
Manchester to Ko Samui flights
Glasgow Intl to Don Mueang Intl flights
Norwich to Suvarnabhumi flights
Manchester to Chiang Mai flights
London City to Krabi flights
Inverness to Suvarnabhumi flights

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 3 June 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£360Average£528FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£392Average£503FlexibilityNo cancel feeOn-time67%
Search Air China flights
Malaysia AirlinesCheapest£507Average£615FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Etihad AirwaysCheapest£529Average£655FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Austrian AirlinesCheapest£556Average£610FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapest£620Average£762FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Cathay PacificCheapest£637Average£842FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
EVA AirCheapest£746Average£866FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Thai AirwaysCheapest£751Average£926FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Singapore AirlinesCheapest£773Average£888FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines 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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