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Cheap flights from London to Chiang Mai from £228

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Chiang Mai departing on 24/4. 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 London to Chiang Mai

Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London to Chiang Mai.
10:10 - 17:55LHR-CNX
25h 45m2 stops
22:20 - 07:30CNX-LHR
39h 10m2 stops
Wed, 7 May - Wed, 14 May
14:40 - 21:55LHR-CNX
25h 15m2 stops
09:20 - 07:30CNX-LHR
28h 10m2 stops
Tue, 13 May - Tue, 20 May
18:00 - 15:20LGW-CNX
39h 20m3 stops
14:55 - 06:40CNX-LGW
21h 45m1 stop
£481China Eastern
Find Deal
Tue, 6 May - Thu, 15 May
22:10 - 17:50LHR-CNX
37h 40m1 stop
18:50 - 19:00CNX-LHR
30h 10m1 stop
£490China Southern
Find Deal
Tue, 13 May - Tue, 20 May
19:00 - 13:25LGW-CNX
36h 25m1 stop
14:55 - 15:00CNX-LGW
30h 05m1 stop
£491China Eastern
Find Deal
Sun, 18 May - Mon, 26 May
22:10 - 17:50LHR-CNX
37h 40m1 stop
18:50 - 18:05CNX-LHR
29h 15m2 stops
£497China Southern
Find Deal
Tue, 13 May - Tue, 20 May
22:40 - 21:50LHR-CNX
17h 10m1 stop
23:05 - 20:30CNX-LHR
27h 25m1 stop
£570Air China
Find Deal
Thu, 1 May - Sat, 31 May
20:25 - 21:50LHR-CNX
19h 25m1 stop
23:05 - 17:45CNX-LHR
24h 40m1 stop
£590Air China
Find Deal
Tue, 22 Apr - Fri, 2 May
12:30 - 08:45LHR-CNX
14h 15m1 stop
09:25 - 19:10CNX-LHR
15h 45m1 stop
£1,360Thai Airways
Find Deal
Thu, 31 Jul - Wed, 13 Aug
21:25 - 20:30LHR-CNX
17h 05m1 stop
15:30 - 07:15CNX-LHR
21h 45m1 stop
£1,436Thai Airways
Find Deal
Mon, 28 Jul - Fri, 15 Aug

China Eastern flights from London to Chiang Mai

Our best China Eastern deals on London to Chiang Mai flight tickets
China Eastern
6 May
LGW18:00London Gatwick
39h 20m
3 stops
CNX15:20Chiang Mai
15 May
CNX14:55Chiang Mai
21h 45m
1 stop
LGW06:40London Gatwick
China Eastern
18 May
LGW19:00London Gatwick
36h 25m
1 stop
CNX13:25Chiang Mai
26 May
CNX14:55Chiang Mai
30h 05m
1 stop
LGW15:00London Gatwick
China Eastern
18 May
LGW19:00London Gatwick
36h 25m
1 stop
CNX13:25Chiang Mai
26 May
CNX10:05Chiang Mai
34h 55m
2 stops
LGW15:00London Gatwick

China Southern flights from London to Chiang Mai

Our best China Southern deals on London to Chiang Mai flight tickets
China Southern
13 May
LHR22:10London Heathrow
37h 40m
1 stop
CNX17:50Chiang Mai
20 May
CNX18:50Chiang Mai
30h 10m
1 stop
LHR19:00London Heathrow
China Southern
13 May
LHR22:10London Heathrow
37h 40m
1 stop
CNX17:50Chiang Mai
20 May
CNX18:50Chiang Mai
29h 15m
2 stops
LHR18:05London Heathrow
China Southern
22 Apr
LHR22:10London Heathrow
37h 40m
1 stop
CNX17:50Chiang Mai
2 May
CNX18:50Chiang Mai
29h 15m
2 stops
LHR18:05London Heathrow

See travel insights to Chiang Mai from

How to get the cheapest flight ticket from London 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 typical price of a round-trip flight between London and Chiang Mai?

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 London, with most prices found around £525. If you aren’t able to travel during the month of March, then book flights to Chiang Mai from London during February instead. Flights to Chiang Mai in February, while not as cheap as those in March, still average around £599.

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 £678. 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 London because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £805.

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 £591. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £987 on average. Flights to Chiang Mai from London 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 London when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Chiang Mai for around £819 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chiang Mai from London for as low as £602 on momondo.

How have London to Chiang Mai flight prices changed over time?

As of March 2025, prices for London to Chiang Mai flights are approximately 27% cheaper when compared to flights at the same time last year.

When to book flights from London to Chiang Mai

Are you open to changing your travel dates? Check out the ideal times to fly from London to Chiang Mai according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Chiang Mai (LON to CNX) flight deals and tips

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

Best price found

£228

Fastest flight time

14h 15m

Direct flights

None

Airports in Chiang Mai

1 airport
The best one-way flight to Chiang Mai from London in the past 72 hours is £228. The best return flight deal from London to Chiang Mai found on momondo in the last 72 hours is £431.
The fastest flight from London to Chiang Mai takes 14h 15m
There are no direct flights from London to Chiang Mai. Popular non-direct routes for this connection are London Heathrow Airport - Chiang Mai Airport, London Stansted Airport - Chiang Mai Airport and London Luton Airport - Chiang Mai Airport.
There is 1 airport near Chiang Mai: Chiang Mai (CNX)

  • How far is London to Chiang Mai by plane?

    The distance between London and Chiang Mai is about 5583.6 mi. In terms of flight time, this usually takes a little over 14h 15m.

  • When did momondo last update prices for flights from London to Chiang Mai Airport?

    Prices for flights from London to Chiang Mai Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Chiang Mai Airport.

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

    The required travel and health documents for your Chiang Mai Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chiang Mai Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from London to Chiang Mai?


Best airlines flying from London to Chiang Mai

Compare and see reviews for airlines that fly from London to Chiang Mai with momondo
Airline
Rating
Free Cancellation
Price
China SouthernPriceFrom £437Free CancellationRating
7.4
92 reviews
Search China Southern flights
China EasternPriceFrom £445Free CancellationRating
7.1
136 reviews
Search China Eastern flights
Air ChinaPriceFrom £484Free CancellationRating
7.1
81 reviews
Search Air China flights
Etihad AirwaysPriceFrom £624Free CancellationRating
7.4
1,180 reviews
Search Etihad Airways flights
Malaysia AirlinesPriceFrom £629Free CancellationRating
7.3
251 reviews
Search Malaysia Airlines flights
EVA AirPriceFrom £704Free CancellationRating
8.4
1,169 reviews
Search EVA Air flights
Thai AirwaysPriceFrom £727Free CancellationRating
7.8
317 reviews
Search Thai Airways flights

Why use momondo?

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

Finding the right flight to Chiang Mai from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chiang Mai quick and easy, saving you time and money.

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

Flights from London to Chiang Mai with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between London and Chiang Mai by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from London to Chiang Mai now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chiang Mai and let you know when they change.


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