Cheap flights from Southeast Asia to London from £135
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 6/11. 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 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?
The cheapest month to fly to London from Southeast Asia is in October. Flight prices, which tend to average around £635, are often lower during this time because this is during the off-season. The month of May is another great option to travel to London, with average flight prices from Southeast Asia averaging around £657.
What is the cheapest day to depart on your flight to London?
Our data shows that Thursday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £735. 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 £782.
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 afternoon when flights can be purchased for as low as £528. Flights at midday are often more expensive, with an average ticket price of £794.
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 21 weeks ahead of your departure date. In general, you can expect to find flights to London for around £752 when searching 21 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 £683 on momondo.
What cabin class options are available on Southeast Asia to London flights?
There are 4 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?
Norse Atlantic UK, SriLankan Airlines, and Hainan Airlines are the most popular carriers operating from Southeast Asia to London
Which airlines fly to London?
Emirates, Thai Airways and Qatar Airways are the top three most popular airlines that fly to London from Southeast Asia according to our data. Emirates is the first choice among our users, with 39% of people opting to fly with this airline when travelling to London. Keep in mind that there are 24 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?
56 flights are operational daily from Southeast Asia to London as of June 2025. The most popular departure time for this route is 23:00, with 38% of flights per day taking off in the evening.
How many flights depart from Southeast Asia to London on average per week?
398 flights are operational weekly from Southeast Asia to London as of June 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off 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 refreshed on a daily basis.
How many operators does momondo search for flights from Southeast Asia to London?
As of June 2025, there are 22 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Southeast Asia to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Southeast Asia to London?
Based on momondo bookings for flights between Southeast Asia and London, the leading plane model is Boeing 777, making up 14.08% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 10.96%, Boeing 737-800 Passenger/BBJ2 (winglets) with 10.03%, and Airbus A320neo with 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 £235 | Free Cancellation | Rating 7.5 99 reviews | |||
| PriceFrom £434 | Free Cancellation | Rating 6.7 13 reviews | |||
| PriceFrom £443 | Free Cancellation | Rating 7.2 150 reviews | |||
| PriceFrom £444 | Free Cancellation | Rating 7.2 92 reviews | |||
| PriceFrom £449 | Free Cancellation | Rating 7.3 3,849 reviews | |||
| PriceFrom £469 | Free Cancellation | Rating 7.4 1,211 reviews | |||
| PriceFrom £491 | Free Cancellation | Rating 7.5 1,624 reviews | |||
| PriceFrom £491 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom £494 | Free Cancellation | Rating 7.4 263 reviews | |||
| PriceFrom £497 | Free Cancellation | Rating 7.5 854 reviews |
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Why should I use momondo to find a flight deal from Southeast Asia to London?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Southeast Asia to London for you.
Can I find flights from Southeast Asia to London with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to London from Southeast Asia with this policy.
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?
If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Southeast Asia and alert you when they change.