Which airlines fly to Southeast Asia?

Cathay Pacific, Air Canada and United Airlines are the top three most popular airlines that fly to Southeast Asia from London, Ontario according to our data. Cathay Pacific is the first choice among our users, with 33% of people opting to fly with this airline when travelling to Southeast Asia. Keep in mind that there are 30 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from London to Southeast Asia?

United Airlines is the most popular carrier operating from London to Southeast Asia

When did momondo last update prices for flights from London Airport to Southeast Asia?

Prices for flights from London Airport to Southeast Asia are updated daily.

How many operators does momondo search for flights from London Airport to Southeast Asia?

The number of operators available for flights from London Airport to Southeast Asia is 1 as of September 2025.

How old do you have to be to fly from London Airport to Southeast Asia?

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 Airport to Southeast Asia.

What documentation or ID do you need to fly to Southeast Asia?

The travel and health documents required for your trip to Southeast Asia 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 Southeast Asia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 446 Cheap Flights from London to Southeast Asia in 2025/26

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Find the cheapest flights from London, Ontario to Southeast Asia

Round-trip

One-way

Cheap round-trip flights

5:45 a.m. - 8:15 p.m.YXU-SIN

26h 30m2 stops

10:10 a.m. - 8:46 a.m.SIN-YXU

59h 36m2 stops

C$ 1,376United Airlines

Find Deal

jue., 30 oct. - jue., 6 nov.

3:50 p.m. - 5:55 a.m.YXU-MNL

26h 05m2 stops

8:40 a.m. - 9:19 a.m.MNL-YXU

36h 39m2 stops

C$ 1,449United Airlines

Find Deal

jue., 25 sep. - lun., 29 sep.

3:50 p.m. - 5:55 a.m.YXU-MNL

26h 05m2 stops

8:40 a.m. - 9:19 a.m.MNL-YXU

36h 39m2 stops

C$ 1,531United Airlines

Find Deal

jue., 25 sep. - lun., 29 sep.

5:40 p.m. - 2:00 p.m.YXU-SIN

32h 20m3 stops

12:25 a.m. - 7:12 p.m.SIN-YXU

31h 47m3 stops

C$ 1,644

Find Deal

jue., 30 oct. - mié., 5 nov.

5:40 p.m. - 2:00 p.m.YXU-SIN

32h 20m3 stops

8:50 a.m. - 8:46 a.m.SIN-YXU

36h 56m2 stops

C$ 1,671

Find Deal

jue., 30 oct. - jue., 6 nov.

3:50 p.m. - 11:10 p.m.YXU-BKK

44h 20m2 stops

7:00 a.m. - 3:02 p.m.BKK-YXU

43h 02m2 stops

C$ 1,696Air Canada

Find Deal

lun., 29 sep. - vie., 3 oct.

6:10 a.m. - 7:05 a.m.YXU-SIN

36h 55m2 stops

9:10 a.m. - 3:02 p.m.SIN-YXU

41h 52m2 stops

C$ 2,478Air Canada

Find Deal

dom., 28 sep. - jue., 2 oct.

8:00 p.m. - 11:00 p.m.YXU-BKK

40h 00m2 stops

8:05 a.m. - 5:12 a.m.BKK-YXU

32h 07m2 stops

C$ 3,098WestJet

Find Deal

lun., 29 sep. - vie., 3 oct.

3:50 p.m. - 6:50 a.m.YXU-SIN

27h 00m2 stops

12:05 a.m. - 9:27 p.m.SIN-YXU

33h 22m2 stops

C$ 8,360Lufthansa

Find Deal

dom., 28 sep. - mié., 1 oct.

3:50 p.m. - 6:50 a.m.YXU-SIN

27h 00m2 stops

12:05 a.m. - 9:27 p.m.SIN-YXU

33h 22m2 stops

C$ 8,361Lufthansa

Find Deal

dom., 28 sep. - mié., 1 oct.

Air Canada flights from London, Ontario to Southeast Asia

Our best Air Canada deals on London, Ontario to Southeast Asia flight tickets

Air Canada

29 Sep

YXU3:50 p.m.London

44h 20m

2 stops

BKK11:10 p.m.Bangkok Suvarnabhumi

3 Oct

BKK7:00 a.m.Bangkok Suvarnabhumi

43h 02m

2 stops

YXU3:02 p.m.London

C$ 1,696

Find similar

Air Canada

28 Sep

YXU6:10 a.m.London

36h 55m

2 stops

SIN7:05 a.m.Singapore Changi

2 Oct

SIN9:10 a.m.Singapore Changi

41h 52m

2 stops

YXU3:02 p.m.London

C$ 2,478

Find similar

Air Canada

29 Sep

YXU3:50 p.m.London

33h 40m

2 stops

BKK12:30 p.m.Bangkok Suvarnabhumi

3 Oct

BKK7:00 a.m.Bangkok Suvarnabhumi

25h 27m

2 stops

YXU9:27 p.m.London

C$ 2,689

Find similar

United Airlines flights from London, Ontario to Southeast Asia

Our best United Airlines deals on London, Ontario to Southeast Asia flight tickets

United Airlines

30 Oct

YXU5:45 a.m.London

26h 30m

2 stops

SIN8:15 p.m.Singapore Changi

6 Nov

SIN10:10 a.m.Singapore Changi

59h 36m

2 stops

YXU8:46 a.m.London

C$ 1,376

Find similar

United Airlines

25 Sep

YXU3:50 p.m.London

26h 05m

2 stops

MNL5:55 a.m.Manila Ninoy Aquino Intl

29 Sep

MNL8:40 a.m.Manila Ninoy Aquino Intl

36h 39m

2 stops

YXU9:19 a.m.London

C$ 1,449

Find similar

United Airlines

25 Sep

YXU3:50 p.m.London

26h 05m

2 stops

MNL5:55 a.m.Manila Ninoy Aquino Intl

29 Sep

MNL8:40 a.m.Manila Ninoy Aquino Intl

36h 39m

2 stops

YXU9:19 a.m.London

C$ 1,531

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from London, Ontario to Southeast Asia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSingapore

YXU - SIN

YXUSIN

London

jue. 30/10

5:45 a.m.-8:15 p.m.

2 stops26h 30m

Singapore Changi

jue. 6/11

10:10 a.m.-8:46 a.m.

2 stops59h 36m

C$ 1,376

LondonManila

YXU - MNL

YXUMNL

London

jue. 25/9

3:50 p.m.-5:55 a.m.

2 stops26h 05m

Manila Ninoy Aquino Intl

lun. 29/9

8:40 a.m.-9:19 a.m.

2 stops36h 39m

C$ 1,449

LondonManila

YXU - MNL

YXUMNL

London

jue. 25/9

3:50 p.m.-5:55 a.m.

2 stops26h 05m

Manila Ninoy Aquino Intl

lun. 29/9

8:40 a.m.-9:19 a.m.

2 stops36h 39m

C$ 1,531

LondonSingapore

YXU - SIN

YXUSIN

London

jue. 30/10

5:40 p.m.-2:00 p.m.

3 stops32h 20m

Singapore Changi

mié. 5/11

12:25 a.m.-7:12 p.m.

3 stops31h 47m

C$ 1,644

LondonSingapore

YXU - SIN

YXUSIN

London

jue. 30/10

5:40 p.m.-2:00 p.m.

3 stops32h 20m

Singapore Changi

jue. 6/11

8:50 a.m.-8:46 a.m.

2 stops36h 56m

C$ 1,671

LondonBangkok

YXU - BKK

YXUBKK

London

lun. 29/9

3:50 p.m.-11:10 p.m.

2 stops44h 20m

Bangkok Suvarnabhumi

vie. 3/10

7:00 a.m.-3:02 p.m.

2 stops43h 02m

C$ 1,696

LondonSingapore

YXU - SIN

YXUSIN

London

dom. 28/9

6:10 a.m.-7:05 a.m.

2 stops36h 55m

Singapore Changi

jue. 2/10

9:10 a.m.-3:02 p.m.

2 stops41h 52m

C$ 2,478

LondonBangkok

YXU - BKK

YXUBKK

London

lun. 29/9

8:00 p.m.-11:00 p.m.

2 stops40h 00m

Bangkok Suvarnabhumi

vie. 3/10

8:05 a.m.-5:12 a.m.

2 stops32h 07m

C$ 3,098

LondonSingapore

YXU - SIN

YXUSIN

London

dom. 28/9

3:50 p.m.-6:50 a.m.

2 stops27h 00m

Singapore Changi

mié. 1/10

12:05 a.m.-9:27 p.m.

2 stops33h 22m

C$ 8,360

LondonSingapore

YXU - SIN

YXUSIN

London

dom. 28/9

3:50 p.m.-6:50 a.m.

2 stops27h 00m

Singapore Changi

mié. 1/10

12:05 a.m.-9:27 p.m.

2 stops33h 22m

C$ 8,361

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London, Ontario to Southeast Asia

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

Prices

Airlines

What is the cheapest time of day to depart on your flight to Southeast Asia?

According to our data, the cheapest time of day to fly to Southeast Asia is in the afternoon. momondo users have found flights departing from London, Ontario to Southeast Asia in the afternoon for as low as C$ 1,637. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Southeast Asia are more costly in the morning, with an average ticket price of C$ 1,824. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on London, Ontario to Southeast Asia flights?

No. A direct flight is the cheapest option for a flight between London, Ontario to Southeast Asia.

Cheap London, Ontario to Southeast Asia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to Southeast Asia

Direct flights	None

There are no direct flights from London, Ontario to Southeast Asia. There are no popular flight routes from London, Ontario to Southeast Asia.

Search flight deals

When did momondo last update prices for flights from London Airport to Southeast Asia?
Prices for flights from London Airport to Southeast Asia are updated daily.
How many operators does momondo search for flights from London Airport to Southeast Asia?
The number of operators available for flights from London Airport to Southeast Asia is 1 as of September 2025.
How old do you have to be to fly from London Airport to Southeast Asia?
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 Airport to Southeast Asia.
What documentation or ID do you need to fly to Southeast Asia?
The travel and health documents required for your trip to Southeast Asia 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 Southeast Asia. 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 London, Ontario to Southeast Asia?
Based on momondo bookings for flights between London, Ontario and Southeast Asia, the leading plane model is Boeing 737 MAX 8, making up 39.58% of the total bookings. Other popular models include Embraer 195 E2 with 29.77%, Boeing 737-800 Passenger/BBJ2 (winglets) with 8.04%, and Boeing 737-700 Passenger/BBJ1 (winglets) with 7.85%.

Best airlines flying from London, Ontario to Southeast Asia

Compare and see reviews for airlines that fly from London, Ontario to Southeast Asia with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 1,414	Free Cancellation	Rating 7.1 10,000 reviews		Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Southeast Asia?

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

Can I find flights from London to Southeast Asia with flexible booking policies on momondo?

momondo does allow users to show only those flights to Southeast Asia from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Southeast Asia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Southeast Asia from London.

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

Price alerts on flights to Southeast Asia from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Southeast Asia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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mié. 22/10

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Find better results for your trip to Southeast Asia

Popular Cities in Southeast Asia

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Cheap flights from London, Ontario to Southeast Asia from C$ 446

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London, Ontario to Southeast Asia

Cheap round-trip flights

Cheap one-way flights

Air Canada flights from London, Ontario to Southeast Asia

Our best Air Canada deals on London, Ontario to Southeast Asia flight tickets

United Airlines flights from London, Ontario to Southeast Asia

Our best United Airlines deals on London, Ontario to Southeast Asia flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from London, Ontario to Southeast Asia that are best for you.

See travel insights to Southeast Asia from

How to get the cheapest flight ticket from London, Ontario to Southeast Asia

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 time of day to depart on your flight to Southeast Asia?

Can stopping save me money on London, Ontario to Southeast Asia flights?

No. A direct flight is the cheapest option for a flight between London, Ontario to Southeast Asia.

What is the cheapest airline that flies from London to Southeast Asia?

United Airlines is the most popular carrier operating from London to Southeast Asia

Which airlines fly to Southeast Asia?

Cheap London, Ontario to Southeast Asia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to Southeast Asia

Direct flights

When did momondo last update prices for flights from London Airport to Southeast Asia?

How many operators does momondo search for flights from London Airport to Southeast Asia?

How old do you have to be to fly from London Airport to Southeast Asia?

What documentation or ID do you need to fly to Southeast Asia?

What is the most popular plane model from London, Ontario to Southeast Asia?

Best airlines flying from London, Ontario to Southeast Asia

Compare and see reviews for airlines that fly from London, Ontario to Southeast Asia with momondo

Why use momondo?

Why should I use momondo to find a flight deal from London to Southeast Asia?

Can I find flights from London to Southeast Asia with flexible booking policies on momondo?

How can momondo help me find flights from London to Southeast Asia?

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

An easier way to manage your Southeast Asia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Southeast Asia

Popular Cities in Southeast Asia

Popular flights according to clicks in the last 7 days on momondo