How does KAYAK find such low prices on flights from London to Southeast Asia?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Southeast Asia. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Southeast Asia?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London to Southeast Asia is likely to change within 7 days, so travellers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from London to Southeast Asia?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from London to Southeast Asia with an airline and back with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Southeast Asia?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London to Southeast Asia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

Which airlines provide the cheapest flights from London to Southeast Asia?

In the past 3 days, the cheapest round-trip tickets from London to Southeast Asia were found on Air Canada (C$ 1,550) and Emirates (C$ 1,862).

What is the cheapest time of day to fly to Southeast Asia?

The cheapest time of day to fly to Southeast Asia is generally in the evening , when round-trip flights cost C$ 1,183 on average. Morning departures are around 11% more expensive than evening flights, on average. The most expensive time of day to fly to Southeast Asia is generally in the morning, which is peak travel time and where the average cost of a ticket is C$ 1,317.

How long does a flight from London to Southeast Asia take?

The duration of a flight to Southeast Asia depends on your arrival airport. The shortest routes to Southeast Asia from London are to Manila , which takes 35h 40m , and Bangkok , which takes 47h 50m.

C$ 916 CHEAP FLIGHTS from London to Southeast Asia

KAYAK searches hundreds of travel sites at once for deals on flights to Southeast Asia

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Flights Deals

One-wayReturn

Manila2 stopsC$ 1,802

Singapore2 stopsC$ 1,659

Manila2 stopsC$ 1,802

Singapore2 stopsC$ 1,659

Cheap Flights from London to Southeast Asia

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from London to Southeast Asia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from London to Southeast Asia

Fri, 26 Sep - Mon, 6 Oct

6:15 a.m. - 11:55 p.m.YXU-BKK

30h 40m2 stops

9:35 p.m. - 9:17 a.m.BKK-YXU

46h 42m2 stops

C$ 1,550Air Canada

Find Deal

Mon, 28 Jul - Sun, 3 Aug

9:45 p.m. - 12:50 a.m.YXU-SIN

39h 05m2 stops

1:50 a.m. - 9:00 p.m.SIN-YXU

31h 10m2 stops

C$ 1,659

Find Deal

Sun, 13 Jul - Sun, 20 Jul

8:00 p.m. - 5:30 a.m.YXU-MNL

45h 30m2 stops

8:25 p.m. - 5:14 a.m.MNL-YXU

20h 49m2 stops

C$ 1,802

Find Deal

Fri, 26 Sep - Sun, 5 Oct

9:55 a.m. - 1:25 p.m.YXU-BKK

40h 30m2 stops

1:35 a.m. - 2:57 p.m.BKK-YXU

48h 22m2 stops

C$ 1,862Emirates

Find Deal

Sun, 27 Jul - Sun, 3 Aug

5:45 p.m. - 6:40 a.m.YXU-SIN

48h 55m2 stops

9:10 a.m. - 9:17 a.m.SIN-YXU

36h 07m2 stops

C$ 1,900Air Canada

Find Deal

Sun, 27 Jul - Sun, 3 Aug

5:45 p.m. - 6:40 a.m.YXU-SIN

48h 55m2 stops

9:10 a.m. - 9:17 a.m.SIN-YXU

36h 07m2 stops

C$ 1,938Air Canada

Find Deal

Mon, 28 Jul - Mon, 4 Aug

6:15 a.m. - 8:25 p.m.YXU-BKK

27h 10m3 stops

3:15 p.m. - 3:02 p.m.BKK-YXU

34h 47m3 stops

C$ 2,045

Find Deal

Mon, 28 Jul - Mon, 4 Aug

3:40 p.m. - 6:15 a.m.YXU-SIN

26h 35m2 stops

8:45 a.m. - 9:17 a.m.SIN-YXU

36h 32m2 stops

C$ 2,144United Airlines

Find Deal

Fri, 26 Sep - Mon, 6 Oct

3:40 p.m. - 9:45 a.m.YXU-BKK

31h 05m3 stops

12:35 p.m. - 9:27 p.m.BKK-YXU

43h 52m2 stops

C$ 3,026SWISS

Find Deal

Sun, 13 Jul - Sun, 20 Jul

9:55 a.m. - 5:55 a.m.YXU-MNL

56h 00m2 stops

8:40 a.m. - 9:27 p.m.MNL-YXU

48h 47m3 stops

C$ 3,079United Airlines

Find Deal

Useful Info

KAYAK's insights & trends for London to Southeast Asia flights

Get data-powered insights and trends into flights from London to Southeast Asia to help you find the cheapest flights, the best time to fly and much more.

Prices

Airlines

No, with an average price for the route of C$ 674, prices are generally cheapest when you fly direct.

Find deals

Low season	April
High season	February
Cheapest flight	C$ 916

Best time to beat the crowds (11% less expensive on average)

Most popular time to fly and prices are also 20% lower on average.

Flight from London to Singapore

How does KAYAK find such low prices on flights from London to Southeast Asia?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Southeast Asia.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Southeast Asia?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London to Southeast Asia is likely to change within 7 days, so travellers know whether to wait or book now.
What is the Hacker Fare option on flights from London to Southeast Asia?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from London to Southeast Asia with an airline and back with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Southeast Asia?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London to Southeast Asia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.
What is the cheapest time of day to fly to Southeast Asia?
The cheapest time of day to fly to Southeast Asia is generally in the evening, when round-trip flights cost C$ 1,183 on average. Morning departures are around 11% more expensive than evening flights, on average. The most expensive time of day to fly to Southeast Asia is generally in the morning, which is peak travel time and where the average cost of a ticket is C$ 1,317.

Top airline flying from London to Southeast Asia

Need help choosing which airline to fly with from London to Southeast Asia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.

7.4

United AirlinesOverall score based on 8791 reviews

7.7Boarding

7.1Entertainment

6.6Food

7.3Comfort

8.1Crew

Airline reviews

Efficient, calm when things were delayed and kept us regularly informed of what was happening.

10.0 ExcellentAnonymous, Jun 2025YVR - DEN

Everything you need to know for your flight to Southeast Asia

Airports

Cabin class

Complete your trip

Flights to other cities

Origins

Popular routes

Information on your arrival and departure airports

London (YXU)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

C$ 916 Find Cheap Flights from London to Southeast Asia

KAYAK searches hundreds of travel sites at once for deals on flights to Southeast Asia

Best Southeast Asia Flight Deals from London

Cheap Flights from London to Southeast Asia

Recent round-trip flight deals from London to Southeast Asia

Recent one-way flight deals from London to Southeast Asia

KAYAK's insights & trends for London to Southeast Asia flights

Get data-powered insights and trends into flights from London to Southeast Asia to help you find the cheapest flights, the best time to fly and much more.

Can I save money by flying with a layover from London to Southeast Asia?

No, with an average price for the route of C$ 674, prices are generally cheapest when you fly direct.

Which airlines provide the cheapest flights from London to Southeast Asia?

In the past 3 days, the cheapest round-trip tickets from London to Southeast Asia were found on Air Canada (C$ 1,550) and Emirates (C$ 1,862).

How long does a flight from London to Southeast Asia take?

The duration of a flight to Southeast Asia depends on your arrival airport. The shortest routes to Southeast Asia from London are to Manila, which takes 35h 40m, and Bangkok, which takes 47h 50m.

Good to know

FAQs - booking Southeast Asia flights

How does KAYAK find such low prices on flights from London to Southeast Asia?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Southeast Asia.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Southeast Asia?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London to Southeast Asia is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from London to Southeast Asia?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from London to Southeast Asia with an airline and back with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Southeast Asia?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London to Southeast Asia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

What is the cheapest time of day to fly to Southeast Asia?

Top airline flying from London to Southeast Asia

Everything you need to know for your flight to Southeast Asia

Information on your arrival and departure airports

Cabin class types available on flights to London

Complete your trip to Southeast Asia with a hotel stay or car rental

Flights to other popular destinations

Flights from domestic origins to London

Flights from London to popular cities in Southeast Asia