Cheap flights from Southeast Asia to London from $445
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Southeast Asia to London departing on 10/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Southeast Asia to London
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
KLM flights from Southeast Asia to London
Our best KLM deals on Southeast Asia to London flight tickets
Turkish Airlines flights from Southeast Asia to London
Our best Turkish Airlines deals on Southeast Asia to London flight tickets
See travel insights to London from
How to get the cheapest flight ticket from Southeast Asia to London
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 London?
If you aren’t able to travel during the month of October, then book flights to London from Southeast Asia during February instead. Flights to London in February, while not as cheap as those in October, still average around $1,326.
What is the cheapest day to depart on your flight to London?
Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as $1,406. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Southeast Asia to London for around $1,778.
What is the cheapest time of day to depart on your flight to London?
The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as $1,537. In contrast, the most expensive time of day to depart to London is in the morning when prices are around $1,597.
What is the cheapest Southeast Asia to London flight route?
Fly from Bangkok Suvarnabhumi to London Gatwick for the best Southeast Asia - London flight prices
How far in advance should I book a flight to London?
You are more likely to see cheaper flights to London from Southeast Asia when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to London for around $1,584 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Southeast Asia for as low as $1,152 on momondo.
What cabin class options are available on Southeast Asia to London flights?
There are 3 cabin classes available to choose from on Southeast Asia to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Southeast Asia to London?
Shenzhen Airlines, Turkish Airlines, and Malaysia Airlines are the most popular carriers operating from Southeast Asia to London
Which airlines fly to London?
Singapore Airlines, British Airways and Thai Airways are the top three most popular airlines that fly to London from Southeast Asia according to our data. Singapore Airlines is the first choice among our users, with 51% of people opting to fly with this airline when travelling to London. Keep in mind that there are 8 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.
How many flights depart from Southeast Asia to London on average per day?
As of June 2025, 51 flights take off from Southeast Asia and land in London each day. The most common flight departure time for this route is 23:00, with 37% of daily flights taking off in the evening.
How many flights depart from Southeast Asia to London on average per week?
The number of flights available between Southeast Asia and London is 357 per week as of June 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.
Cheap Southeast Asia to London flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Southeast Asia to London
When did momondo last update prices for flights from Southeast Asia to London?
Prices for flights from Southeast Asia to London are updated daily.
How many operators does momondo search for flights from Southeast Asia to London?
As of June 2025, there are 7 operators available to choose from for flights from Southeast Asia to London.
How old do you have to be to fly from Southeast Asia to London?
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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Southeast Asia to London.
What documentation or ID do you need to fly to London?
The required travel and health documents for your London 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 licence and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Southeast Asia to London?
momondo data reveals that the most frequently booked plane model on the route from Southeast Asia to London is Boeing 777, representing 14.08% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 10.96%, Boeing 737-800 Passenger/BBJ2 (winglets) at 10.03%, and Airbus A320neo at 8.41%.
Best airlines flying from Southeast Asia to London
Compare and see reviews for airlines that fly from Southeast Asia to London with momondo
| Airline | Rating | Free cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $897 | Free cancellation | Rating 7.5 857 reviews | |||
| PriceFrom $952 | Free cancellation | Rating 8.1 3,266 reviews | |||
| PriceFrom $989 | Free cancellation | Rating 6.8 7,148 reviews | |||
| PriceFrom $994 | Free cancellation | Rating 6.6 7,016 reviews | |||
| PriceFrom $1,099 | Free cancellation | Rating 7.4 3,585 reviews | |||
| PriceFrom $1,124 | Free cancellation | Rating 8.1 1,308 reviews | |||
| PriceFrom $1,298 | Free cancellation | Rating 8.4 1,204 reviews | |||
| PriceFrom $1,571 | Free cancellation | Rating 7.7 336 reviews |
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Southeast Asia to London?
Finding the right flight to London from Southeast Asia 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 London quick and easy, saving you time and money.
Can I find flights from Southeast Asia to London with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Southeast Asia to London flights to just show those with flexible booking policies.
How can momondo help me find flights from Southeast Asia to London?
momondo provides multiple filters to help you find the best flight to London from Southeast Asia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Southeast Asia to London right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Southeast Asia to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.