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Cheap flights from the United Kingdom to Chiang Mai from £246

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 27/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNX
27 Feb — 6 Mar1
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 28 January 2026.

Thu 19/310:30
LGW
-
CNX
1 stop20h 50m
China Eastern
Sun 29/316:20
CNX
-
LGW
3 stops44h 20m
China Eastern
Deal found 27/1£360
Wed 15/411:35
LGW
-
CNX
1 stop19h 50m
China Eastern
Thu 14/516:20
CNX
-
LGW
3 stops44h 20m
China Eastern
Deal found 27/1£372
Wed 4/317:40
LHR
-
CNX
1 stop21h 10m
Air China
Wed 18/323:05
CNX
-
LHR
1 stop23h 50m
Air China
Deal found 27/1£373
Thu 12/317:40
LHR
-
CNX
1 stop21h 10m
Air China
Thu 19/323:05
CNX
-
LHR
1 stop23h 50m
Air China
Deal found 27/1£376
Tue 17/210:30
LGW
-
CNX
1 stop28h 50m
China Eastern
Tue 31/314:55
CNX
-
LGW
1 stop21h 45m
China Eastern
Deal found 27/1£380
Sat 14/310:30
LGW
-
CNX
1 stop20h 50m
China Eastern
Thu 26/315:35
CNX
-
LGW
1 stop21h 55m
China Eastern
Deal found 26/1£382
Tue 19/518:00
LGW
-
CNX
1 stop37h 25m
China Eastern
Tue 9/614:55
CNX
-
LGW
1 stop30h 05m
China Eastern
Deal found 26/1£388
Wed 4/321:00
LHR
-
CNX
1 stop18h 20m
China Eastern
Wed 18/316:25
CNX
-
LHR
2 stops32h 05m
China Eastern
Deal found 27/1£391
Tue 3/317:40
LHR
-
CNX
1 stop21h 10m
Air China
Tue 31/323:05
CNX
-
LHR
1 stop27h 20m
Air China
Deal found 27/1£392
Wed 22/420:25
LHR
-
CNX
1 stop19h 25m
Air China
Tue 19/523:05
CNX
-
LHR
1 stop27h 20m
Air China
Deal found 27/1£400
Tue 17/221:00
LHR
-
CNX
1 stop18h 20m
China Eastern
Tue 31/314:55
CNX
-
LHR
1 stop33h 45m
China Eastern
Deal found 27/1£411
Wed 15/421:20
LHR
-
CNX
2 stops29h 55m
China Eastern
Thu 14/516:20
CNX
-
LHR
2 stops32h 20m
China Eastern
Deal found 27/1£417

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 28 January 2026.

Round-trip from

£360

One-way from

£246

Popular in

August

Cheapest in

March

Average price

£637
China Eastern
  • China Eastern
  • 19/3-29/3
  • 4 total stops
  • 65h 10m total
  • United Kingdom to Chiang Mai
Search Deals
27/2
  • 27/2
  • 3 total stops
  • 24h 55m total
  • United Kingdom to Chiang Mai
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£119 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 28 January 2026.
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

LGW - CNX

LGWCNX

London Gatwick

Sat 14/3

10:30-14:20

1 stop20h 50m

Chiang Mai

Thu 26/3

15:35-06:30

1 stop21h 55m

£382

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Tue 17/2

10:30-15:25

2 stops21h 55m

Chiang Mai

Tue 31/3

14:55-06:40

1 stop21h 45m

£387

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Thu 12/3

17:40-21:50

1 stop21h 10m

Chiang Mai

Thu 19/3

23:05-15:55

1 stop23h 50m

£393

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Tue 19/5

18:00-13:25

1 stop37h 25m

Chiang Mai

Wed 10/6

16:20-15:00

2 stops28h 40m

£394

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Mon 25/5

18:05-09:15

3 stops33h 10m

Chiang Mai

Tue 9/6

10:05-15:00

2 stops34h 55m

£405

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Tue 19/5

18:00-09:15

2 stops33h 15m

Chiang Mai

Tue 9/6

10:05-15:00

3 stops34h 55m

£405

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Tue 17/2

21:00-09:05

2 stops29h 05m

Chiang Mai

Tue 31/3

14:55-18:40

1 stop33h 45m

£416

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Tue 19/5

18:00-13:25

1 stop37h 25m

Chiang Mai

Sat 6/6

14:55-06:40

1 stop21h 45m

£452

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Sat 23/5

18:00-13:25

1 stop37h 25m

Chiang Mai

Mon 8/6

14:55-15:00

1 stop30h 05m

£459

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Sun 24/5

11:35-13:25

1 stop19h 50m

Chiang Mai

Mon 8/6

14:55-15:00

1 stop30h 05m

£459

Flights are sorted by cheapest return flights first.

Deals found on 26/1

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, January is the cheapest month in which you can book a flight from United Kingdom to Chiang Mai (average of £353). Flying from United Kingdom to Chiang Mai in July is currently the most expensive (average of £622). 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.

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 28 January 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
7.8
Good
380 reviews
Check prices

Boarding

7.9

Crew

8.3

Food

7.3

Comfort

7.6

Overall

7.8

Entertainment

6.8

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
7.8
Good
380 reviews
Thai Airways
7.8
Good
380 reviews
Check prices

Boarding

7.9

Crew

8.3

Food

7.3

Comfort

7.6

Overall

7.8

Entertainment

6.8

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
1,147 reviews
Thai Airways
7.8
Good
380 reviews
Check prices

Boarding

7.9

Crew

8.3

Food

7.3

Comfort

7.6

Overall

7.8

Entertainment

6.8

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
1,376 reviews
Thai Airways
7.8
Good
380 reviews
Check prices

Boarding

7.9

Crew

8.3

Food

7.3

Comfort

7.6

Overall

7.8

Entertainment

6.8

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
7.2
Good
191 reviews
Thai Airways
7.8
Good
380 reviews
Check prices

Boarding

7.9

Crew

8.3

Food

7.3

Comfort

7.6

Overall

7.8

Entertainment

6.8

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
7.2
Good
138 reviews
Thai Airways
7.8
Good
380 reviews
Check prices

Boarding

7.9

Crew

8.3

Food

7.3

Comfort

7.6

Overall

7.8

Entertainment

6.8

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 16h 35m. China Eastern provides one of the quickest options available for as low as £598. The distance between United Kingdom and Chiang Mai is about 5627 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 £236. Users have also found prices from £291 and £331 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 £353). Flying from United Kingdom to Chiang Mai in July is currently the most expensive (average of £622). 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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London City to Chiang Mai flights
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Southend to Suvarnabhumi flights
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Bristol to Suvarnabhumi flights
Belfast Intl to Suvarnabhumi flights
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Newcastle upon Tyne to Don Mueang Intl flights
Aberdeen to Suvarnabhumi flights
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Manchester to Chiang Mai flights
Liverpool to Suvarnabhumi flights
Frankfurt 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 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£368Average£644FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£394Average£520FlexibilityNo cancel feeOn-time67%
Search Air China flights
Malaysia AirlinesCheapest£498Average£761FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Etihad AirwaysCheapest£520Average£678FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
EVA AirCheapest£540Average£801FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Austrian AirlinesCheapest£545Average£598FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapest£587Average£725FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Singapore AirlinesCheapest£618Average£859FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest£625Average£804FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Thai AirwaysCheapest£690Average£874FlexibilityNo 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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