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Cheap flights from the United Kingdom to Chiang Mai from £249

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Chiang Mai departing on 15/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from the United Kingdom to Chiang Mai

Recent return flight deals from the United Kingdom to Chiang Mai

Etihad Airways Logo
20:55 - 06:05LHR-CNX
26h 10m1 stop
Etihad Airways Logo
08:50 - 06:40CNX-LHR
28h 50m1 stop
£528Etihad Airways
Find Deal
Tue, 4 Nov - Thu, 20 Nov
China Eastern Logo
17:00 - 15:25LGW-CNX
39h 25m3 stops
China Eastern Logo
15:35 - 06:30CNX-LGW
21h 55m1 stop
£533China Eastern
Find Deal
Mon, 3 Nov - Mon, 15 Dec
Air China Logo
17:40 - 21:50LHR-CNX
21h 10m1 stop
Air China Logo
23:05 - 15:55CNX-LHR
23h 50m1 stop
£533Air China
Find Deal
Wed, 5 Nov - Wed, 3 Dec
Air China Logo
20:25 - 21:50LHR-CNX
18h 25m1 stop
Air China Logo
23:05 - 17:50CNX-LHR
25h 45m1 stop
£533Air China
Find Deal
Wed, 5 Nov - Thu, 4 Dec
China Eastern Logo
17:00 - 15:25LGW-CNX
39h 25m2 stops
China Eastern Logo
15:35 - 06:30CNX-LGW
21h 55m1 stop
£533China Eastern
Find Deal
Mon, 3 Nov - Mon, 15 Dec
Etihad Airways Logo
20:55 - 06:05LHR-CNX
26h 10m1 stop
Etihad Airways Logo
08:50 - 06:40CNX-LHR
28h 50m1 stop
£534Etihad Airways
Find Deal
Tue, 4 Nov - Mon, 1 Dec
China Southern Logo
22:00 - 17:50LHR-CNX
36h 50m1 stop
China Southern Logo
18:50 - 18:15CNX-LHR
30h 25m1 stop
£548China Southern
Find Deal
Tue, 4 Nov - Sun, 30 Nov
China Southern Logo
22:10 - 10:25LHR-CNX
30h 15m1 stop
China Southern Logo
18:50 - 17:55CNX-LHR
54h 05m2 stops
£555China Southern
Find Deal
Sun, 5 Oct - Fri, 14 Nov
Malaysia Airlines Logo
21:30 - 11:25MAN-CNX
30h 55m2 stops
Malaysia Airlines Logo
12:25 - 19:40CNX-MAN
38h 15m2 stops
£869Malaysia Airlines
Find Deal
Sat, 31 Jan - Fri, 6 Feb
Malaysia Airlines Logo
08:15 - 13:40MAN-CNX
23h 25m2 stops
Malaysia Airlines Logo
14:40 - 07:00CNX-MAN
22h 20m2 stops
£877Malaysia Airlines
Find Deal
Fri, 10 Oct - Sat, 25 Oct

Etihad Airways flights from United Kingdom to Chiang Mai

Our best Etihad Airways deals on United Kingdom to Chiang Mai flight tickets
Etihad Airways
4 Nov
LHR20:55London Heathrow
26h 10m
1 stop
CNX06:05Chiang Mai
20 Nov
CNX08:50Chiang Mai
28h 50m
1 stop
LHR06:40London Heathrow
£528
Find similar
Etihad Airways
4 Nov
LHR20:55London Heathrow
26h 10m
1 stop
CNX06:05Chiang Mai
1 Dec
CNX08:50Chiang Mai
28h 50m
1 stop
LHR06:40London Heathrow
£534
Find similar
Etihad Airways
22 Nov
LHR20:55London Heathrow
26h 10m
1 stop
CNX06:05Chiang Mai
6 Dec
CNX08:50Chiang Mai
28h 50m
1 stop
LHR06:40London Heathrow
£550
Find similar

Air China flights from United Kingdom to Chiang Mai

Our best Air China deals on United Kingdom to Chiang Mai flight tickets
Air China
5 Nov
LHR17:40London Heathrow
21h 10m
1 stop
CNX21:50Chiang Mai
3 Dec
CNX23:05Chiang Mai
23h 50m
1 stop
LHR15:55London Heathrow
£533
Find similar
Air China
5 Nov
LHR20:25London Heathrow
18h 25m
1 stop
CNX21:50Chiang Mai
4 Dec
CNX23:05Chiang Mai
25h 45m
1 stop
LHR17:50London Heathrow
£533
Find similar
Air China
6 Nov
LHR21:35London Heathrow
41h 15m
2 stops
CNX21:50Chiang Mai
30 Nov
CNX23:05Chiang Mai
25h 45m
1 stop
LHR17:50London Heathrow
£535
Find similar

momondo 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, momondo users made 279,928 searches. Data last updated 19 August 2025.
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

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Tue 4/11

20:55-06:05

1 stop26h 10m

Chiang Mai

Thu 20/11

08:50-06:40

1 stop28h 50m

£528

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Mon 3/11

17:00-15:25

3 stops39h 25m

Chiang Mai

Mon 15/12

15:35-06:30

1 stop21h 55m

£533

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Wed 5/11

17:40-21:50

1 stop21h 10m

Chiang Mai

Wed 3/12

23:05-15:55

1 stop23h 50m

£533

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Wed 5/11

20:25-21:50

1 stop18h 25m

Chiang Mai

Thu 4/12

23:05-17:50

1 stop25h 45m

£533

LondonChiang Mai

LGW - CNX

LGWCNX

London Gatwick

Mon 3/11

17:00-15:25

2 stops39h 25m

Chiang Mai

Mon 15/12

15:35-06:30

1 stop21h 55m

£533

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Tue 4/11

20:55-06:05

1 stop26h 10m

Chiang Mai

Mon 1/12

08:50-06:40

1 stop28h 50m

£534

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Tue 4/11

22:00-17:50

1 stop36h 50m

Chiang Mai

Sun 30/11

18:50-18:15

1 stop30h 25m

£548

LondonChiang Mai

LHR - CNX

LHRCNX

London Heathrow

Sun 5/10

22:10-10:25

1 stop30h 15m

Chiang Mai

Fri 14/11

18:50-17:55

2 stops54h 05m

£555

ManchesterChiang Mai

MAN - CNX

MANCNX

Manchester

Sat 31/1

21:30-11:25

2 stops30h 55m

Chiang Mai

Fri 6/2

12:25-19:40

2 stops38h 15m

£869

ManchesterChiang Mai

MAN - CNX

MANCNX

Manchester

Fri 10/10

08:15-13:40

2 stops23h 25m

Chiang Mai

Sat 25/10

14:40-07:00

2 stops22h 20m

£877

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chiang Mai from

How to get the cheapest flight ticket from United Kingdom to Chiang Mai

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Chiang Mai?

The month of March is, on average, the cheapest month to fly to Chiang Mai from United Kingdom, with most prices found around £504. If you aren’t able to travel during the month of March, then book flights to Chiang Mai from United Kingdom during September instead. Flights to Chiang Mai in September, while not as cheap as those in March, still average around £549.

What is the cheapest day to depart on your flight to Chiang Mai?

The cheapest day to depart on your flight to Chiang Mai is on a Thursday when prices can be found for as low as £646. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £768.

What is the cheapest time of day to depart on your flight to Chiang Mai?

The cheapest time of day to fly to Chiang Mai is in the afternoon when flights can be purchased for as low as £564. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £941 on average. Flights to Chiang Mai from United Kingdom at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Chiang Mai?

You are more likely to see cheaper flights to Chiang Mai from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Chiang Mai for around £772 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chiang Mai from United Kingdom for as low as £578 on momondo.

Can stopping save me money on United Kingdom to Chiang Mai flights?

You could potentially save up to 2% on your flight if you consider stops on a United Kingdom to Chiang Mai flight.

Cheap United Kingdom to Chiang Mai flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Chiang Mai

Best price found

£249

Fastest flight time

14h 10m

Direct flights

None

Airports in Chiang Mai

1 airport
The best one-way flight to Chiang Mai from United Kingdom in the past 72 hours is £249. The best return flight deal from United Kingdom to Chiang Mai found on momondo in the last 72 hours is £528.
The fastest flight from United Kingdom to Chiang Mai takes 14h 10m
There are no direct flights from United Kingdom to Chiang Mai. Popular non-direct routes for this connection are London Stansted Airport - Chiang Mai Airport, Manchester Airport - Chiang Mai Airport and London Gatwick Airport - Chiang Mai Airport.
There is 1 airport near Chiang Mai: Chiang Mai (CNX)
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  • When did momondo last update prices for flights from United Kingdom to Chiang Mai Airport?

    Prices for flights from United Kingdom to Chiang Mai Airport are updated daily.

  • How many operators does momondo search for flights from United Kingdom to Chiang Mai Airport?

  • How old do you have to be to fly from United Kingdom to Chiang Mai Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United Kingdom to Chiang Mai Airport.

  • What documentation or ID do you need to fly to Chiang Mai Airport?

    The travel and health documents you'll need for your trip to Chiang Mai Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chiang Mai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from United Kingdom to Chiang Mai

Compare and see reviews for airlines that fly from United Kingdom to Chiang Mai with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom £416Free CancellationRating
7.6
106 reviews
Search China Southern flights
China EasternPriceFrom £450Free CancellationRating
7.2
160 reviews
Search China Eastern flights
Air ChinaPriceFrom £461Free CancellationRating
7.3
95 reviews
Search Air China flights
Malaysia AirlinesPriceFrom £549Free CancellationRating
7.4
274 reviews
Search Malaysia Airlines flights
Etihad AirwaysPriceFrom £570Free CancellationRating
7.4
1,233 reviews
Search Etihad Airways flights
EVA AirPriceFrom £672Free CancellationRating
8.4
1,232 reviews
Search EVA Air flights
Cathay PacificPriceFrom £675Free CancellationRating
7.6
969 reviews
Search Cathay Pacific flights
Gulf AirPriceFrom £692Free CancellationRating
7.1
207 reviews
Search Gulf Air flights
Thai AirwaysPriceFrom £692Free CancellationRating
7.8
344 reviews
Search Thai Airways flights
LufthansaPriceFrom £698Free CancellationRating
6.8
7,334 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to Chiang Mai?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from United Kingdom to Chiang Mai . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from United Kingdom to Chiang Mai with flexible booking policies on momondo?

momondo does allow users to show only those flights to Chiang Mai from United Kingdom which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from United Kingdom to Chiang Mai?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United Kingdom to Chiang Mai.

I’m not ready to book a flight from United Kingdom to Chiang Mai right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of United Kingdom to Chiang Mai flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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