Cheap flights from London to Chiang Mai from £263
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 29/9. 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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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 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 £504. 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 £581.
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 £644. 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 £765.
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 £561. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £937 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 £783 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 £579 on momondo.
Can stopping save me money on London to Chiang Mai flights?
You could potentially save up to 12% on your flight if you consider stops on a London to Chiang Mai flight.
How have London to Chiang Mai flight prices changed over time?
As of June 2025, prices for London to Chiang Mai flights are approximately 22% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from London to Chiang Mai?
China Southern, China Eastern, and Malaysia Airlines are the most popular carriers operating from London to Chiang Mai
Which airlines fly to Chiang Mai?
Thai Airways, China Eastern and Air China are the top three most popular airlines that fly to Chiang Mai from London according to our data. Thai Airways is the first choice among our users, with 52% of people opting to fly with this airline when travelling to Chiang Mai. Keep in mind that there are 9 different airlines that fly to Chiang Mai on a routine basis, so you have a few additional options to choose from.
When to book flights from London to Chiang Mai
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
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 13h 55m.
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?
There are 9 operators available for flights from London to Chiang Mai Airport as of June 2025.
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?
momondo data reveals that the most frequently booked airline on the route from London to Chiang Mai is China Eastern, representing 37% of all bookings. The subsequent popular airlines are Thai Airways at 26%, Air China at 18%, and EVA Air at 5%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom £418 | Free Cancellation | Rating 7.5 99 reviews | |||
| PriceFrom £448 | Free Cancellation | Rating 7.2 150 reviews | |||
| PriceFrom £458 | Free Cancellation | Rating 7.2 92 reviews | |||
| PriceFrom £546 | Free Cancellation | Rating 7.4 263 reviews | |||
| PriceFrom £652 | Free Cancellation | Rating 7.4 1,211 reviews | |||
| PriceFrom £658 | Free Cancellation | Rating 8.4 1,202 reviews | |||
| PriceFrom £672 | Free Cancellation | Rating 7.5 892 reviews | |||
| PriceFrom £691 | Free Cancellation | Rating 7.7 335 reviews | |||
| PriceFrom £715 | Free Cancellation | Rating 8.1 1,302 reviews |
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.