C$ 968+ Flights from London, ON to Southeast Asia | Cheapflights

Cheap flight deals from London to Southeast Asia

Round-trip from	C$ 1,238
One-way from	C$ 968

United Airlines

United Airlines
25/9-29/9
4 total stops
62h 52m total
London to Southeast Asia

7/7

7/7
2 total stops
52h 40m total
London to Southeast Asia

Find flight deals from London to Southeast Asia

Cheapest flights from London to Southeast Asia
Explore the most affordable flight options available from London to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Thu 25/93:40 p.m.YXU - MNL

2 stops26h 15mUnited Airlines

Mon 29/98:40 a.m.MNL - YXU

2 stops36h 37mUnited Airlines

Deal found 29/6C$ 1,238

Sun 28/93:40 p.m.YXU - SIN

2 stops48h 20mAir Canada

Thu 2/109:10 a.m.SIN - YXU

2 stops24h 17mAir Canada

Deal found 29/6C$ 1,439

Mon 29/93:40 p.m.YXU - BKK

2 stops43h 15mAir Canada

Fri 3/107:00 a.m.BKK - YXU

2 stops25h 27mAir Canada

Deal found 29/6C$ 1,559

Wed 13/89:55 a.m.YXU - SIN

2 stops44h 30mUnited Airlines

Wed 20/88:45 a.m.SIN - YXU

2 stops48h 42mUnited Airlines

Deal found 29/6C$ 1,660

Wed 13/86:00 a.m.YXU - MNL

3 stops40h 55mMultiple Airlines

Wed 20/811:55 p.m.MNL - YXU

3 stops41h 19mMultiple Airlines

Deal found 28/6C$ 1,737

Fri 15/88:00 p.m.YXU - SIN

3 stops53h 20mMultiple Airlines

Fri 22/82:35 p.m.SIN - YXU

3 stops50h 39mMultiple Airlines

Deal found 1/7C$ 1,749

Wed 13/89:55 a.m.YXU - BKK

2 stops31h 40mMultiple Airlines

Tue 19/812:25 a.m.BKK - YXU

2 stops32h 02mMultiple Airlines

Deal found 29/6C$ 2,064

Thu 14/86:00 a.m.YXU - SIN

2 stops30h 20mWestJet

Wed 20/81:10 a.m.SIN - YXU

2 stops40h 04mWestJet

Deal found 30/6C$ 3,094

Wed 13/89:55 a.m.YXU - SIN

2 stops40h 10mEmirates

Tue 19/812:50 a.m.SIN - YXU

2 stops50h 12mEmirates

Deal found 29/6C$ 3,768

Sun 28/93:40 p.m.YXU - SIN

2 stops27h 15mLufthansa

Wed 1/1012:05 a.m.SIN - YXU

2 stops33h 22mLufthansa

Deal found 29/6C$ 6,160

Best flights from London to Southeast Asia
Discover carefully curated flight deals from London to Southeast Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 1 July 2025.

Thu 25/93:40 p.m.YXU - MNL

2 stops26h 15mUnited Airlines

Mon 29/98:40 a.m.MNL - YXU

2 stops36h 37mUnited Airlines

Deal found 29/6C$ 1,238

Sun 28/93:40 p.m.YXU - SIN

2 stops48h 20mAir Canada

Thu 2/109:10 a.m.SIN - YXU

2 stops24h 17mAir Canada

Deal found 29/6C$ 1,439

Wed 13/86:00 a.m.YXU - MNL

3 stops40h 55mMultiple Airlines

Wed 20/811:55 p.m.MNL - YXU

3 stops41h 19mMultiple Airlines

Deal found 28/6C$ 1,737

Thu 14/86:00 a.m.YXU - SIN

2 stops30h 20mWestJet

Wed 20/81:10 a.m.SIN - YXU

2 stops40h 04mWestJet

Deal found 30/6C$ 3,094

Mon 29/93:40 p.m.YXU - BKK

2 stops43h 15mAir Canada

Fri 3/107:00 a.m.BKK - YXU

2 stops25h 27mAir Canada

Deal found 29/6C$ 1,559

Wed 13/89:55 a.m.YXU - SIN

2 stops44h 30mUnited Airlines

Wed 20/88:45 a.m.SIN - YXU

2 stops48h 42mUnited Airlines

Deal found 29/6C$ 1,660

Wed 13/89:55 a.m.YXU - SIN

2 stops40h 10mEmirates

Tue 19/812:50 a.m.SIN - YXU

2 stops50h 12mEmirates

Deal found 29/6C$ 3,768

Wed 13/89:55 a.m.YXU - BKK

2 stops31h 40mMultiple Airlines

Tue 19/812:25 a.m.BKK - YXU

2 stops32h 02mMultiple Airlines

Deal found 29/6C$ 2,064

Thu 14/86:00 a.m.YXU - SIN

3 stops30h 50mMultiple Airlines

Thu 21/89:10 a.m.SIN - YXU

2 stops32h 04mMultiple Airlines

Deal found 30/6C$ 2,350

Sun 28/93:40 p.m.YXU - SIN

2 stops27h 15mLufthansa

Wed 1/1012:05 a.m.SIN - YXU

2 stops33h 22mLufthansa

Deal found 29/6C$ 6,160

Last-minute flights from London to Southeast Asia
Discover last-minute flight deals from London to Southeast Asia. Data last updated 1 July 2025 and is based on user searches.

Wed 13/89:55 a.m.YXU - SIN

2 stops44h 30mUnited Airlines

Wed 20/88:45 a.m.SIN - YXU

2 stops48h 42mUnited Airlines

Deal found 29/6C$ 1,660

Wed 13/86:00 a.m.YXU - MNL

3 stops40h 55mMultiple Airlines

Wed 20/811:55 p.m.MNL - YXU

3 stops41h 19mMultiple Airlines

Deal found 28/6C$ 1,737

Wed 13/89:55 a.m.YXU - SIN

2 stops40h 10mEmirates

Tue 19/812:50 a.m.SIN - YXU

2 stops50h 12mEmirates

Deal found 29/6C$ 3,768

Thu 14/86:00 a.m.YXU - SIN

2 stops30h 20mWestJet

Wed 20/81:10 a.m.SIN - YXU

2 stops40h 04mWestJet

Deal found 30/6C$ 3,094

Fri 15/88:00 p.m.YXU - SIN

3 stops53h 20mMultiple Airlines

Fri 22/82:35 p.m.SIN - YXU

3 stops50h 39mMultiple Airlines

Deal found 1/7C$ 1,749

One-way flights from London to Southeast Asia
Search for one-way flight options from London to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated 1 July 2025.

Mon 7/79:45 p.m.YXU - SIN

2 stops52h 40mMultiple Airlines

Deal found 29/6C$ 968

Tue 19/85:45 p.m.YXU - SIN

2 stops48h 30mUnited Airlines

Deal found 29/6C$ 1,268

Sat 30/85:45 p.m.YXU - SIN

2 stops24h 10mSWISS

Deal found 29/6C$ 6,369

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonManila

YXU - MNL

YXUMNL

London

Thu 25/9

3:40 p.m.-5:55 a.m.

2 stops26h 15m

Manila Ninoy Aquino Intl

Mon 29/9

8:40 a.m.-9:17 a.m.

2 stops36h 37m

C$ 1,238

LondonSingapore

YXU - SIN

YXUSIN

London

Sun 28/9

3:40 p.m.-4:00 a.m.

2 stops48h 20m

Singapore Changi

Thu 2/10

9:10 a.m.-9:27 p.m.

2 stops24h 17m

C$ 1,439

LondonBangkok

YXU - BKK

YXUBKK

London

Mon 29/9

3:40 p.m.-9:55 p.m.

2 stops43h 15m

Bangkok Suvarnabhumi

Fri 3/10

7:00 a.m.-9:27 p.m.

2 stops25h 27m

C$ 1,559

LondonSingapore

YXU - SIN

YXUSIN

London

Wed 13/8

9:55 a.m.-6:25 p.m.

2 stops44h 30m

Singapore Changi

Wed 20/8

8:45 a.m.-9:27 p.m.

2 stops48h 42m

C$ 1,660

LondonManila

YXU - MNL

YXUMNL

London

Wed 13/8

6:00 a.m.-10:55 a.m.

3 stops40h 55m

Manila Ninoy Aquino Intl

Wed 20/8

11:55 p.m.-5:14 a.m.

3 stops41h 19m

C$ 1,737

LondonSingapore

YXU - SIN

YXUSIN

London

Fri 15/8

8:00 p.m.-1:20 p.m.

3 stops53h 20m

Singapore Changi

Fri 22/8

2:35 p.m.-5:14 a.m.

3 stops50h 39m

C$ 1,749

LondonBangkok

YXU - BKK

YXUBKK

London

Wed 13/8

9:55 a.m.-4:35 a.m.

2 stops31h 40m

Bangkok Suvarnabhumi

Tue 19/8

12:25 a.m.-9:27 p.m.

2 stops32h 02m

C$ 2,064

LondonSingapore

YXU - SIN

YXUSIN

London

Thu 14/8

6:00 a.m.-12:20 a.m.

2 stops30h 20m

Singapore Changi

Wed 20/8

1:10 a.m.-5:14 a.m.

2 stops40h 04m

C$ 3,094

LondonSingapore

YXU - SIN

YXUSIN

London

Wed 13/8

9:55 a.m.-2:05 p.m.

2 stops40h 10m

Singapore Changi

Tue 19/8

12:50 a.m.-3:02 p.m.

2 stops50h 12m

C$ 3,768

LondonSingapore

YXU - SIN

YXUSIN

London

Sun 28/9

3:40 p.m.-6:55 a.m.

2 stops27h 15m

Singapore Changi

Wed 1/10

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

2 stops33h 22m

C$ 6,160

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/6

Showing 1-10 of 13 results

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Best time to book a flight from London to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from London with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Southeast Asia

What is the cheapest month to book a flight from London, Ontario to Southeast Asia?

Currently, September is the cheapest month in which you can book a flight from London, Ontario to Southeast Asia (average of C$ 965). Flying from London, Ontario to Southeast Asia in December is currently the most expensive (average of C$ 1,431). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Southeast Asia

Get a feel of what it's like to fly with Emirates,SWISS, andUnited Airlines from London to Southeast Asia by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

8.1

Very good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

8.1

Very good

8.1

Very good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

7.5

Good

8.1

Very good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

United Airlines

7.4

Good

8.1

Very good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

7.2

Good

8.1

Very good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

7.1

Good

8.1

Very good

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

What airport do you fly from for flights from London to Southeast Asia?
Located just 8.6 km from the city centre, London (YXU) is the airport most travellers will use when flying to Southeast Asia from London.
What are the most popular routes from London, Ontario to Southeast Asia?
The most popular route from London, Ontario to Southeast Asia is London - Manila Ninoy Aquino Intl. You may also consider London - Bangkok Suvarnabhumi or London - Singapore Changi.
Can I find deals for flights from London to Southeast Asia that include hotel bookings?
Yes. In addition to deals on London to Southeast Asia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from London to Southeast Asia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Southeast Asia.
Can I find deals for business class flights from London to Southeast Asia?
Yes. Cheapflights offers flight deals from London to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London, Ontario to Southeast Asia?
Currently, September is the cheapest month in which you can book a flight from London, Ontario to Southeast Asia (average of C$ 965). Flying from London, Ontario to Southeast Asia in December is currently the most expensive (average of C$ 1,431). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to Southeast Asia

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Complete your trip

Kastrup Copenhagen Airport car rentals

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Direct flights to

Direct flights to New Delhi

Direct flights to Manila

Direct flights to Mumbai

Direct flights to Tokyo

Direct flights to Bangkok

Direct flights to Hong Kong

Direct flights to Karachi

Direct flights to Lahore

Direct flights to Dhaka

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Direct flights to Singapore

Direct flights to Shanghai

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Direct flights to Taipei City

Direct flights to Seoul

Direct flights to Guangzhou

Direct flights to Osaka

Direct flights to Chengdu

Direct flights to Shenzhen

Top airline flying from London to Southeast Asia

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestC$ 888	AverageC$ 1,681	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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When you search for this flight from London to Southeast Asia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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