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Cheap flights from the United Kingdom to Chiang Mai from £253

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNX
16 Jul — 23 Jul1
1 adult

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 11 July 2025.

Round-trip from

£631

One-way from

£253

Popular in

August

Cheapest in

March

Average price

£947
Malaysia Airlines
  • Malaysia Airlines
  • 6/10-18/10
  • 3 total stops
  • 65h 35m total
  • United Kingdom to Chiang Mai
Search Deals
7/9
  • 7/9
  • 3 total stops
  • 55h 35m total
  • United Kingdom to Chiang Mai
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£109 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 July 2025
Search Deals

Find flight deals from United Kingdom to Chiang Mai

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 11 July 2025.

Mon 6/1022:05LHR - CNX
2 stops33h 40mMultiple Airlines
Sat 18/1014:40CNX - LHR
1 stop31h 55mMultiple Airlines
Deal found 9/7£631
Mon 3/1107:25STN - CNX
3 stops31h 55mMultiple Airlines
Sat 15/1108:50CNX - STN
2 stops29h 10mMultiple Airlines
Deal found 9/7£637
Mon 3/1121:10LHR - CNX
2 stops65h 40mAir China
Thu 4/1223:05CNX - LHR
2 stops51h 05mAir China
Deal found 11/7£637
Wed 15/1014:55LGW - CNX
2 stops22h 15mMultiple Airlines
Wed 5/1110:10CNX - LGW
2 stops26h 55mMultiple Airlines
Deal found 11/7£642
Mon 27/1006:30LTN - CNX
3 stops31h 55mMultiple Airlines
Sat 8/1108:50CNX - LTN
2 stops35h 50mMultiple Airlines
Deal found 10/7£642
Mon 3/1117:00LGW - CNX
2 stops39h 25mChina Eastern
Sat 15/1116:25CNX - LGW
2 stops28h 35mChina Eastern
Deal found 10/7£644
Wed 5/1109:00LHR - CNX
1 stop14h 05mEtihad Airways
Sat 29/1108:50CNX - LHR
1 stop16h 35mEtihad Airways
Deal found 11/7£645
Sun 2/1121:00LHR - CNX
2 stops59h 25mChina Eastern
Mon 17/1115:35CNX - LHR
1 stop32h 55mChina Eastern
Deal found 9/7£656
Thu 6/1106:05GLA - CNX
3 stops27h 45mMultiple Airlines
Wed 12/1108:05CNX - GLA
2 stops30h 45mMultiple Airlines
Deal found 9/7£676
Wed 24/922:10LHR - CNX
1 stop37h 40mChina Southern
Sat 29/1118:50CNX - LHR
1 stop30h 25mChina Southern
Deal found 9/7£695
Mon 13/1021:25LHR - CNX
1 stop36h 50mThai Airways
Sat 25/1009:25CNX - LHR
1 stop15h 50mThai Airways
Deal found 10/7£704
Tue 16/921:35LHR - CNX
1 stop34h 05mMalaysia Airlines
Sat 27/914:40CNX - LHR
1 stop31h 55mMalaysia Airlines
Deal found 9/7£715

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 11 July 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

LHR - CNX

LHRCNX

London Heathrow

Mon 6/10

22:05-13:45

2 stops33h 40m

Chiang Mai

Sat 18/10

14:40-16:35

1 stop31h 55m

£631

LondonChiang Mai

STN - CNX

STNCNX

London Stansted

Mon 3/11

07:25-22:20

3 stops31h 55m

Chiang Mai

Sat 15/11

08:50-07:00

2 stops29h 10m

£637

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Wed 15/10

14:55-19:10

2 stops22h 15m

Chiang Mai

Wed 5/11

10:10-06:05

2 stops26h 55m

£642

LondonChiang Mai

LTN - CNX

LTNCNX

London Luton

Mon 27/10

06:30-21:25

3 stops31h 55m

Chiang Mai

Sat 8/11

08:50-13:40

2 stops35h 50m

£642

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Mon 3/11

17:00-15:25

2 stops39h 25m

Chiang Mai

Sat 15/11

16:25-14:00

2 stops28h 35m

£644

GlasgowChiang Mai

GLA - CNX

GLACNX

Glasgow Intl

Thu 6/11

06:05-16:50

3 stops27h 45m

Chiang Mai

Wed 12/11

08:05-07:50

2 stops30h 45m

£676

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Wed 24/9

22:10-17:50

1 stop37h 40m

Chiang Mai

Sat 29/11

18:50-18:15

1 stop30h 25m

£695

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Tue 16/9

21:35-13:40

1 stop34h 05m

Chiang Mai

Sat 27/9

14:40-16:35

1 stop31h 55m

£715

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Wed 24/9

21:20-09:05

3 stops29h 45m

Chiang Mai

Sat 29/11

16:25-17:30

2 stops32h 05m

£722

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Sun 14/9

21:35-19:10

1 stop15h 35m

Chiang Mai

Sat 27/9

20:00-19:20

1 stop29h 20m

£746

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 58 results
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6

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, April is the cheapest month in which you can book a flight from United Kingdom to Chiang Mai (average of £776). Flying from United Kingdom to Chiang Mai in July is currently the most expensive (average of £1,368). 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 11 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from United Kingdom to Chiang Mai as you normally would.

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 11 July 2025.
See what other customers who have flown with EVA Air, China Airlines, andEmirates 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
1,215 reviews
Check prices

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very Good
1,215 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very Good
744 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Emirates
8.1
Very Good
3,285 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
KLM
7.8
Good
1,372 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Thai Airways
7.7
Good
336 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Food

8.1

Overall

8.4

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

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

    For one-way options, check prices for China Southern. According to our data, you can fly for as low as £319. Users have also found prices from £361 and £375 on China Eastern and Gulf Air, 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, April is the cheapest month in which you can book a flight from United Kingdom to Chiang Mai (average of £776). Flying from United Kingdom to Chiang Mai in July is currently the most expensive (average of £1,368). 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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£418Average£466FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£448Average£688FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£459Average£545FlexibilityNo cancel feeOn-time67%
Search Air China flights
Juneyao AirlinesCheapest£508Average£560FlexibilityNo cancel feeOn-time66%
Search Juneyao Airlines flights
Malaysia AirlinesCheapest£546Average£740FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Etihad AirwaysCheapest£632Average£756FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
EVA AirCheapest£658Average£741FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Cathay PacificCheapest£672Average£886FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Gulf AirCheapest£689Average£768FlexibilityNo cancel feeOn-time67%
Search Gulf Air flights
Thai AirwaysCheapest£691Average£825FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

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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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