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Cheap flights from the United Kingdom to Chiang Mai from £214

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 17/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — CNX
24 Mar — 31 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 22 February 2026.

Tue 24/1110:30
LGW
-
CNX
2 stops39h 35m
China Eastern
Mon 30/1110:05
CNX
-
LGW
3 stops27h 25m
China Eastern
Deal found 21/2£412
Sun 8/1117:00
LGW
-
CNX
2 stops33h 05m
China Eastern
Wed 25/1116:25
CNX
-
LGW
3 stops45h 05m
China Eastern
Deal found 20/2£413
Sun 15/1110:30
LGW
-
CNX
2 stops21h 55m
China Eastern
Wed 25/1110:05
CNX
-
LGW
2 stops27h 25m
China Eastern
Deal found 21/2£415
Tue 14/421:20
LHR
-
CNX
2 stops29h 55m
China Eastern
Tue 12/510:05
CNX
-
LHR
2 stops38h 35m
China Eastern
Deal found 20/2£420
Tue 5/521:20
LHR
-
CNX
2 stops29h 55m
China Eastern
Mon 11/516:20
CNX
-
LHR
2 stops32h 20m
China Eastern
Deal found 18/2£425
Sat 2/521:20
LHR
-
CNX
1 stop34h 05m
China Eastern
Sun 17/514:55
CNX
-
LHR
1 stop33h 45m
China Eastern
Deal found 21/2£426
Fri 6/317:40
LHR
-
CNX
1 stop21h 10m
Air China
Sat 14/323:05
CNX
-
LHR
1 stop23h 50m
Air China
Deal found 19/2£427
Fri 13/1117:00
LGW
-
CNX
1 stop38h 20m
China Eastern
Sun 22/1115:35
CNX
-
LGW
1 stop29h 25m
China Eastern
Deal found 19/2£429
Thu 9/421:20
LHR
-
CNX
1 stop34h 05m
China Eastern
Mon 11/514:55
CNX
-
LHR
1 stop33h 45m
China Eastern
Deal found 18/2£429
Mon 20/421:20
LHR
-
CNX
2 stops29h 55m
China Eastern
Tue 19/510:05
CNX
-
LHR
2 stops38h 35m
China Eastern
Deal found 19/2£431
Sun 12/421:20
LHR
-
CNX
2 stops29h 55m
China Eastern
Tue 12/516:20
CNX
-
LHR
2 stops32h 20m
China Eastern
Deal found 19/2£432
Mon 13/421:20
LHR
-
CNX
1 stop34h 05m
China Eastern
Sat 9/516:20
CNX
-
LHR
2 stops56h 20m
China Eastern
Deal found 21/2£432

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 22 February 2026.

Round-trip from

£420

One-way from

£214

Popular in

August

Cheapest in

May

Average price

£607
China Eastern
  • China Eastern
  • 14/4-12/5
  • 4 total stops
  • 68h 30m total
  • United Kingdom to Chiang Mai
Search Deals
17/4
  • 17/4
  • 3 total stops
  • 40h 45m total
  • United Kingdom to Chiang Mai
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£115 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 22 February 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

LHR - CNX

LHRCNX

London Heathrow

Mon 13/4

21:20-13:25

1 stop34h 05m

Chiang Mai

Tue 12/5

16:20-18:40

3 stops56h 20m

£432

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Mon 13/4

21:20-13:25

1 stop34h 05m

Chiang Mai

Sun 10/5

16:20-18:40

3 stops56h 20m

£432

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Sun 12/4

21:20-09:15

3 stops53h 55m

Chiang Mai

Tue 12/5

10:05-18:40

3 stops38h 35m

£438

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Fri 6/3

17:00-14:20

1 stop38h 20m

Chiang Mai

Tue 24/3

10:05-14:00

3 stops34h 55m

£455

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Sun 8/3

10:30-14:20

1 stop20h 50m

Chiang Mai

Sun 22/3

16:25-14:00

2 stops28h 35m

£456

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Mon 15/6

18:05-13:25

1 stop37h 20m

Chiang Mai

Mon 29/6

14:55-15:00

1 stop30h 05m

£464

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Wed 27/5

11:35-13:25

1 stop19h 50m

Chiang Mai

Wed 3/6

14:55-15:00

1 stop30h 05m

£464

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Tue 16/6

18:00-13:25

1 stop37h 25m

Chiang Mai

Tue 30/6

10:05-15:00

3 stops34h 55m

£469

Newcastle upon TyneChiang Mai

NCL - CNX

NCLCNX

Newcastle upon Tyne

Mon 8/6

16:20-21:50

2 stops23h 30m

Chiang Mai

Thu 18/6

23:05-21:55

2 stops28h 50m

£490

LondonChiang Mai

STN - CNX

STNCNX

London Stansted

Mon 20/4

17:35-21:35

3 stops22h 00m

Chiang Mai

Tue 19/5

09:30-06:50

2 stops27h 20m

£545

Flights are sorted by cheapest return flights first.

Deals found on 19/2

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 £633). 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 22 February 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
384 reviews
Check prices

Crew

8.4

Food

7.4

Comfort

7.6

Boarding

7.9

Entertainment

6.8

Overall

7.8

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
384 reviews
Thai Airways
7.8
Good
384 reviews
Check prices

Crew

8.4

Food

7.4

Comfort

7.6

Boarding

7.9

Entertainment

6.8

Overall

7.8

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
1,176 reviews
Thai Airways
7.8
Good
384 reviews
Check prices

Crew

8.4

Food

7.4

Comfort

7.6

Boarding

7.9

Entertainment

6.8

Overall

7.8

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
1,406 reviews
Thai Airways
7.8
Good
384 reviews
Check prices

Crew

8.4

Food

7.4

Comfort

7.6

Boarding

7.9

Entertainment

6.8

Overall

7.8

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
197 reviews
Thai Airways
7.8
Good
384 reviews
Check prices

Crew

8.4

Food

7.4

Comfort

7.6

Boarding

7.9

Entertainment

6.8

Overall

7.8

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
139 reviews
Thai Airways
7.8
Good
384 reviews
Check prices

Crew

8.4

Food

7.4

Comfort

7.6

Boarding

7.9

Entertainment

6.8

Overall

7.8

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 22h 55m. 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 £245. Users have also found prices from £293 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 £360). Flying from United Kingdom to Chiang Mai in July is currently the most expensive (average of £633). 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.
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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 22 February 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£375Average£521FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£391Average£517FlexibilityNo cancel feeOn-time67%
Search Air China flights
Malaysia AirlinesCheapest£507Average£775FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Etihad AirwaysCheapest£535Average£681FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Austrian AirlinesCheapest£555Average£609FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapest£598Average£738FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
EVA AirCheapest£600Average£865FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Cathay PacificCheapest£636Average£821FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Thai AirwaysCheapest£703Average£894FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Singapore AirlinesCheapest£772Average£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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