Cheap flights from the United Kingdom to Chiang Mai from £247

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNX
1 Feb — 8 Feb1
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.

Best flights from United Kingdom to Chiang Mai
Discover carefully curated flight deals from United Kingdom to Chiang Mai that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 January 2026.

Tue 3/317:00LGW - CNX
1 stop38h 20mChina Eastern
Sat 21/310:05CNX - LGW
3 stops34h 55mChina Eastern
Deal found 1/1£364
Sun 8/320:25LHR - CNX
1 stop18h 25mAir China
Tue 17/323:05CNX - LHR
1 stop25h 45mAir China
Deal found 30/12£415
Fri 30/107:45STN - CNX
3 stops31h 10mMultiple Airlines
Fri 6/206:35CNX - STN
3 stops47h 35mMultiple Airlines
Deal found 30/12£468
Wed 4/308:25MAN - CNX
1 stop14h 45mEtihad Airways
Tue 24/308:50CNX - MAN
1 stop28h 20mEtihad Airways
Deal found 1/1£567
Fri 15/522:10LHR - CNX
1 stop37h 40mChina Southern
Fri 5/618:50CNX - LHR
2 stops53h 55mChina Southern
Deal found 1/1£594
Sun 1/306:00LHR - CNX
2 stops30h 00mAustrian Airlines
Mon 1/620:00CNX - LHR
2 stops18h 20mAustrian Airlines
Deal found 2/1£618
Sun 25/110:25MAN - CNX
1 stop25h 25mCathay Pacific
Mon 9/219:40CNX - MAN
1 stop19h 15mCathay Pacific
Deal found 31/12£647
Mon 6/414:55STN - CNX
2 stops22h 15mEmirates
Mon 4/520:00CNX - STN
2 stops22h 55mEmirates
Deal found 1/1£701
Sat 16/508:25LCY - CNX
2 stops23h 20mKLM
Sat 4/720:00CNX - LCY
2 stops42h 50mKLM
Deal found 1/1£709
Sun 8/319:20LCY - CNX
2 stops35h 25mSWISS
Fri 13/310:10CNX - LCY
2 stops28h 50mSWISS
Deal found 30/12£717
Mon 16/217:00LGW - CNX
1 stop22h 20mChina Eastern
Thu 12/323:20CNX - LGW
1 stop21h 40mChina Eastern
Deal found 1/1£368
Mon 26/110:30LGW - CNX
1 stop20h 50mChina Eastern
Mon 2/216:25CNX - LGW
3 stops52h 35mChina Eastern
Deal found 1/1£368
Wed 21/110:30LGW - CNX
1 stop20h 50mChina Eastern
Wed 4/223:20CNX - LGW
1 stop21h 40mChina Eastern
Deal found 2/1£369
Fri 30/110:30LGW - CNX
2 stops39h 35mChina Eastern
Sun 8/209:40CNX - LGW
2 stops35h 20mChina Eastern
Deal found 31/12£375
Mon 12/114:10BHX - CNX
2 stops38h 15mMalaysia Airlines
Thu 29/114:50CNX - BHX
2 stops28h 50mMalaysia Airlines
Deal found 1/1£1,000
Wed 21/105:55STN - CNX
3 stops34h 40mMultiple Airlines
Wed 4/223:20CNX - STN
3 stops28h 30mMultiple Airlines
Deal found 2/1£542
Fri 30/110:30LGW - CNX
3 stops39h 35mChina Eastern
Fri 6/223:20CNX - LGW
1 stop38h 10mChina Eastern
Deal found 31/12£381
Thu 5/319:55MAN - CNX
1 stop27h 15mEtihad Airways
Tue 24/308:50CNX - MAN
1 stop28h 20mEtihad Airways
Deal found 1/1£567
Sun 1/317:40LHR - CNX
1 stop21h 10mAir China
Mon 1/623:05CNX - LHR
1 stop27h 20mAir China
Deal found 2/1£596
Fri 27/207:45STN - CNX
3 stops23h 15mMultiple Airlines
Sun 15/308:50CNX - STN
2 stops21h 05mMultiple Airlines
Deal found 1/1£547
Tue 20/110:30LGW - CNX
2 stops21h 55mChina Eastern
Tue 3/223:20CNX - LGW
1 stop21h 40mChina Eastern
Deal found 30/12£382
Tue 3/313:40MAN - CNX
1 stop33h 30mEtihad Airways
Tue 24/308:50CNX - MAN
1 stop28h 20mEtihad Airways
Deal found 1/1£567
Thu 5/314:50LHR - CNX
2 stops21h 10mAustrian Airlines
Sat 14/310:10CNX - LHR
2 stops18h 30mAustrian Airlines
Deal found 30/12£640
Thu 12/309:55GLA - CNX
3 stops26h 05mQatar Airways
Thu 26/319:45CNX - GLA
3 stops26h 25mQatar Airways
Deal found 1/1£1,363
Mon 16/208:45STN - CNX
3 stops29h 45mMultiple Airlines
Thu 12/312:30CNX - STN
3 stops42h 50mMultiple Airlines
Deal found 1/1£568
Tue 14/414:45LHR - CNX
1 stop33h 10mEtihad Airways
Sat 2/509:30CNX - LHR
1 stop35h 35mEtihad Airways
Deal found 1/1£571
Sun 1/221:00LHR - CNX
1 stop18h 20mChina Eastern
Sun 8/223:20CNX - LHR
1 stop25h 10mChina Eastern
Deal found 1/1£390
Thu 12/317:20MAN - CNX
2 stops41h 30mChina Southern
Mon 16/318:50CNX - MAN
2 stops53h 45mChina Southern
Deal found 1/1£719
Tue 20/120:15STN - CNX
2 stops17h 45mEmirates
Thu 5/221:40CNX - STN
2 stops27h 15mEmirates
Deal found 30/12£722
Tue 19/510:00LCY - CNX
2 stops21h 45mKLM
Sat 4/720:00CNX - LCY
2 stops42h 50mKLM
Deal found 1/1£732

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 2 January 2026.

Round-trip from

£360

One-way from

£247

Popular in

August

Cheapest in

March

Average price

£663
China Eastern
  • China Eastern
  • 20/1-5/2
  • 2 total stops
  • 42h 30m total
  • United Kingdom to Chiang Mai
China Eastern
  • China Eastern
  • 18/2
  • 1 total stop
  • 38h 20m total
  • United Kingdom to Chiang Mai
Highest demand for flights based on searches. 18% potential increase in price (£118 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Average for round-trip flights in January 2026

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 2 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

Tue 3/3

17:00-14:20

1 stop38h 20m

Chiang Mai

Sat 21/3

10:05-14:00

3 stops34h 55m

£364

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Mon 16/2

17:00-22:20

1 stop22h 20m

Chiang Mai

Thu 12/3

23:20-14:00

1 stop21h 40m

£368

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Mon 26/1

10:30-14:20

1 stop20h 50m

Chiang Mai

Mon 2/2

16:25-14:00

3 stops52h 35m

£368

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Wed 21/1

10:30-14:20

1 stop20h 50m

Chiang Mai

Wed 4/2

23:20-14:00

1 stop21h 40m

£369

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Fri 30/1

10:30-09:05

2 stops39h 35m

Chiang Mai

Sun 8/2

09:40-14:00

2 stops35h 20m

£375

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Fri 30/1

10:30-09:05

3 stops39h 35m

Chiang Mai

Fri 6/2

23:20-06:30

1 stop38h 10m

£381

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Tue 20/1

10:30-15:25

2 stops21h 55m

Chiang Mai

Tue 3/2

23:20-14:00

1 stop21h 40m

£382

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Sun 1/2

21:00-22:20

1 stop18h 20m

Chiang Mai

Sun 8/2

23:20-17:30

1 stop25h 10m

£390

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Sun 8/3

20:25-21:50

1 stop18h 25m

Chiang Mai

Tue 17/3

23:05-17:50

1 stop25h 45m

£415

LondonChiang Mai

STN - CNX

STNCNX

London Stansted

Fri 30/1

07:45-21:55

3 stops31h 10m

Chiang Mai

Fri 6/2

06:35-23:10

3 stops47h 35m

£468

Flights are sorted by cheapest return flights first.

Deals found on 31/12

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 £360). Flying from United Kingdom to Chiang Mai in July is currently the most expensive (average of £634). 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 2 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.

Entertainment

6.9

Food

7.3

Crew

8.3

Boarding

7.8

Overall

7.8

Comfort

7.5

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Entertainment

6.9

Food

7.3

Crew

8.3

Boarding

7.8

Overall

7.8

Comfort

7.5

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Entertainment

6.9

Food

7.3

Crew

8.3

Boarding

7.8

Overall

7.8

Comfort

7.5

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Entertainment

6.9

Food

7.3

Crew

8.3

Boarding

7.8

Overall

7.8

Comfort

7.5

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Entertainment

6.9

Food

7.3

Crew

8.3

Boarding

7.8

Overall

7.8

Comfort

7.5

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Entertainment

6.9

Food

7.3

Crew

8.3

Boarding

7.8

Overall

7.8

Comfort

7.5

Reviews

1 / 18
10.0
Excellent

Joe,Jun 2025

BKK - TPE

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 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 14h 45m. China Eastern provides one of the quickest options available for as low as £567. 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 £241. Users have also found prices from £302 and £342 on Air China and Etihad Airways, respectively.

  • What are the most popular routes 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 £360). Flying from United Kingdom to Chiang Mai in July is currently the most expensive (average of £634). 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.

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 2 January 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£391Average£659FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£422Average£473FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£424Average£549FlexibilityNo cancel feeOn-time67%
Search Air China flights
Etihad AirwaysCheapest£537Average£694FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Malaysia AirlinesCheapest£549Average£776FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Austrian AirlinesCheapest£556Average£609FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
EVA AirCheapest£600Average£751FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Singapore AirlinesCheapest£630Average£876FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest£637Average£826FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
LufthansaCheapest£652Average£749FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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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