How long is the flight from London, Ontario to Southeast Asia?

A quick flight from London, Ontario to Southeast Asia can take about 33h 45m. Air Canada provides one of the quickest options available for as low as C$ 1,553. There are 15043 km between London, Ontario and Southeast Asia. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Southeast Asia ranges from 10.0 - 400.0 mm per month. July is typically the wettest month, when rainfall can reach 400.0 mm. February is typically the driest time to visit Southeast Asia when rainfall is around 10.0 mm.

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

What are the most popular routes from London, Ontario to Southeast Asia?

The most popular route from London, Ontario to Southeast Asia is London - Bangkok Suvarnabhumi. You may also consider London - Manila Ninoy Aquino Intl or London - Singapore Changi.

What is the cheapest time of day to fly from YXU to YJX?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London, Ontario to Southeast Asia as you normally would.

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.

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.

C$ 883+ Cheap Flights from London, ON to Southeast Asia

Cheap flight deals from London to Southeast Asia

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 18 September 2026.

Thu 29/109:15 a.m. -

2 stops33h 45m

Thu 5/118:40 a.m. -

2 stops36h 57m

Deal found 13/9C$ 1,553

Sat 31/103:25 p.m. -

2 stops64h 50m

Wed 4/1110:20 p.m. -

2 stops36h 37m

Deal found 15/9C$ 1,700

Thu 29/109:15 a.m. -

2 stops33h 35m

Thu 5/119:55 a.m. -

2 stops48h 57m

Deal found 14/9C$ 1,700

Fri 13/119:15 a.m. -

2 stops33h 15m

Tue 17/118:25 a.m. -

2 stops25h 32m

Deal found 13/9C$ 1,760

Fri 13/113:25 p.m. -

3 stops56h 05m

Tue 17/114:55 p.m. -

3 stops33h 52m

Deal found 17/9C$ 1,862

Thu 29/107:40 a.m. -

3 stops42h 20m

Thu 5/118:40 a.m. -

2 stops26h 17m

Deal found 13/9C$ 1,970

Thu 22/108:20 p.m. -

2 stops46h 10m

Tue 27/107:25 a.m. -

2 stops36h 12m

Deal found 16/9C$ 2,255

Sat 31/109:15 a.m. -

2 stops33h 05m

Sat 7/113:10 p.m. -

2 stops42h 47m

Deal found 16/9C$ 2,427

Thu 17/126:40 a.m. -

2 stops30h 20m

Wed 13/13:00 a.m. -

2 stops39h 35m

Deal found 13/9C$ 2,512

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 18 September 2026.

Thu 29/109:15 a.m. -

2 stops33h 45m

Thu 5/118:40 a.m. -

2 stops36h 57m

Deal found 13/9C$ 1,553

Sat 31/103:25 p.m. -

2 stops64h 50m

Wed 4/1110:20 p.m. -

2 stops36h 37m

Deal found 15/9C$ 1,700

Thu 7/16:40 a.m. -

3 stops27h 00m

Wed 27/110:50 a.m. -

3 stops31h 45m

Deal found 14/9C$ 1,771

Thu 21/19:15 a.m. -

2 stops47h 20m

Sat 23/13:25 a.m. -

2 stops48h 17m

Deal found 16/9C$ 1,915

Thu 29/109:15 a.m. -

2 stops33h 35m

Thu 5/119:55 a.m. -

2 stops48h 57m

Deal found 14/9C$ 1,700

Fri 13/119:15 a.m. -

2 stops57h 15m

Tue 17/119:50 a.m. -

2 stops24h 07m

Deal found 14/9C$ 1,768

Wed 6/16:40 a.m. -

2 stops33h 50m

Wed 27/19:05 p.m. -

2 stops45h 30m

Deal found 15/9C$ 1,950

Sat 23/19:15 a.m. -

2 stops31h 55m

Thu 28/15:40 p.m. -

2 stops34h 02m

Deal found 16/9C$ 1,967

Fri 13/113:25 p.m. -

3 stops56h 05m

Tue 17/114:55 p.m. -

3 stops33h 52m

Deal found 17/9C$ 1,862

Thu 21/19:15 a.m. -

2 stops31h 55m

Fri 29/15:40 p.m. -

2 stops34h 02m

Deal found 16/9C$ 1,967

Thu 29/107:40 a.m. -

3 stops42h 20m

Thu 5/118:40 a.m. -

2 stops26h 17m

Deal found 13/9C$ 1,970

Thu 22/108:20 p.m. -

2 stops46h 10m

Tue 27/107:25 a.m. -

2 stops36h 12m

Deal found 16/9C$ 2,255

Tue 19/15:30 a.m. -

2 stops36h 20m

Sat 30/19:55 a.m. -

2 stops35h 42m

Deal found 16/9C$ 2,086

Thu 21/19:15 a.m. -

2 stops47h 20m

Sat 30/17:55 a.m. -

2 stops43h 47m

Deal found 16/9C$ 2,104

Wed 20/19:15 a.m. -

2 stops41h 40m

Sat 30/15:40 p.m. -

2 stops34h 02m

Deal found 16/9C$ 2,104

Sat 31/109:15 a.m. -

2 stops33h 05m

Sat 7/113:10 p.m. -

2 stops42h 47m

Deal found 16/9C$ 2,427

Fri 4/123:20 p.m. -

2 stops49h 50m

Fri 11/129:10 a.m. -

2 stops24h 42m

Deal found 14/9C$ 6,832

Find flight deals from London to Southeast Asia

Round-trip from	C$ 1,553
One-way from	C$ 883

Air Canada
29/10-5/11
4 total stops
70h 42m total
London to Southeast Asia

Search Deals

2/11-31/12
3 total stops
51h 20m total
London to Southeast Asia

Search Deals

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

Cheapest round-trip

LondonManila

YXU London - MNL Manila Ninoy Aquino Intl

YXUMNL

London

Fri 16/10

6:10 a.m.-5:45 a.m.

2 stops35h 35m

Manila Ninoy Aquino Intl

Wed 31/12

12:00 a.m.-11:00 a.m.

Nonstop0h 00m

C$ 925

LondonManila

YXU London - MNL Manila Ninoy Aquino Intl

YXUMNL

London

Mon 12/10

6:10 a.m.-5:45 a.m.

2 stops35h 35m

Manila Ninoy Aquino Intl

Wed 31/12

12:00 a.m.-11:00 a.m.

Nonstop0h 00m

C$ 953

LondonBangkok

YXU London - BKK Bangkok Suvarnabhumi

YXUBKK

London

Mon 2/11

6:40 a.m.-11:25 p.m.

3 stops52h 45m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-12:00 p.m.

Nonstop0h 00m

C$ 1,013

LondonManila

YXU London - MNL Manila Ninoy Aquino Intl

YXUMNL

London

Mon 28/9

10:05 a.m.-5:55 a.m.

2 stops55h 50m

Manila Ninoy Aquino Intl

Wed 31/12

12:00 a.m.-11:00 a.m.

Nonstop0h 00m

C$ 1,055

LondonBangkok

YXU London - BKK Bangkok Suvarnabhumi

YXUBKK

London

Sun 1/11

8:30 p.m.-11:30 a.m.

3 stops51h 00m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-12:00 p.m.

Nonstop0h 00m

C$ 1,072

LondonBangkok

YXU London - BKK Bangkok Suvarnabhumi

YXUBKK

London

Thu 29/10

9:15 a.m.-11:30 a.m.

3 stops39h 15m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-12:00 p.m.

Nonstop0h 00m

C$ 1,074

LondonBangkok

YXU London - BKK Bangkok Suvarnabhumi

YXUBKK

London

Mon 2/11

9:15 a.m.-6:05 p.m.

2 stops44h 50m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-12:00 p.m.

Nonstop0h 00m

C$ 1,413

LondonBangkok

YXU London - BKK Bangkok Suvarnabhumi

YXUBKK

London

Sun 1/11

9:15 a.m.-6:40 p.m.

2 stops45h 25m

Bangkok Suvarnabhumi

Wed 31/12

12:00 a.m.-12:00 p.m.

Nonstop0h 00m

C$ 1,420

LondonSingapore

YXU London - SIN Singapore Changi

YXUSIN

London

Thu 29/10

9:15 a.m.-7:00 a.m.

2 stops33h 45m

Singapore Changi

Thu 5/11

8:40 a.m.-8:37 a.m.

2 stops36h 57m

C$ 1,553

LondonSingapore

YXU London - SIN Singapore Changi

YXUSIN

London

Sat 31/10

3:25 p.m.-8:15 p.m.

2 stops64h 50m

Singapore Changi

Wed 4/11

10:20 p.m.-9:57 p.m.

2 stops36h 37m

C$ 1,700

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/9

Showing 1-10 of 29 resultsSorted by cheapest first

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.

YXU-MNL

YXU-BKK

YXU-SIN

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

YXU-zzYJX

YXU-MNL

YXU-BKK

YXU-SIN

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Southeast Asia

Get a feel of what it's like to fly with United 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.

United Airlines

7.4

Good

10,214 reviews

Check prices

Reviews

1 / 20

6.0

Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

United Airlines

7.4

Good

10,214 reviews

United Airlines

7.4

Good

10,214 reviews

Check prices

Reviews

1 / 20

6.0

Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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.
How long is the flight from London, Ontario to Southeast Asia?
A quick flight from London, Ontario to Southeast Asia can take about 33h 45m. Air Canada provides one of the quickest options available for as low as C$ 1,553. There are 15043 km between London, Ontario and Southeast Asia. This flight may include one or multiple stops.
What are the most popular routes from London, Ontario to Southeast Asia?
The most popular route from London, Ontario to Southeast Asia is London - Bangkok Suvarnabhumi. You may also consider London - Manila Ninoy Aquino Intl 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for London to Southeast Asia

Pearson Intl to New Delhi flights

Toronto Island to New Delhi flights

Pearson Intl to Mumbai flights

Pierre Elliott Trudeau Intl to Suvarnabhumi flights

Pearson Intl to Hong Kong flights

Pearson Intl to Suvarnabhumi flights

Pearson Intl to Ahmedabad flights

Pearson Intl to Haneda flights

Pearson Intl to Narita flights

Pearson Intl to Manila flights

Pearson Intl to Hongqiao Intl flights

Toronto Island to Mumbai flights

Pierre Elliott Trudeau Intl to Narita flights

Pierre Elliott Trudeau Intl to Don Mueang Intl flights

Pearson Intl to Don Mueang Intl flights

Pierre Elliott Trudeau Intl to Haneda flights

Toronto Island to Ahmedabad flights

Pearson Intl to Incheon Intl flights

Pearson Intl to Pu Dong flights

Toronto Island to Narita flights

Toronto Island to Suvarnabhumi flights

Pearson Intl to Colombo flights

Pearson Intl to Ho Chi Minh City flights

Pearson Intl to Amritsar flights

Pearson Intl to Bangalore flights

Pearson Intl to Taiwan Taoyuan Intl flights

Pearson Intl to Kathmandu flights

Pearson Intl to Dhaka flights

Toronto Island to Hong Kong flights

Pearson Intl to Hyderabad flights

Pearson Intl to Capital flights

Pearson Intl to Guangzhou flights

Pearson Intl to Cochin flights

Ottawa to Suvarnabhumi flights

Pierre Elliott Trudeau Intl to Ho Chi Minh City flights

Pearson Intl to Lahore flights

Pearson Intl to Karachi flights

Pierre Elliott Trudeau Intl to Manila flights

Toronto Island to Manila flights

Pierre Elliott Trudeau Intl to New Delhi flights

Toronto Island to Haneda flights

Toronto Island to Dhaka flights

Pearson Intl to Beijing Daxing Intl flights

Pearson Intl to Islamabad flights

Toronto Island to Lahore flights

Pearson Intl to Chennai flights

Toronto Island to Bangalore flights

Toronto Island to Karachi flights

Top airline flying from London to Southeast Asia

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestC$ 1,196	AverageC$ 1,686	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to Southeast Asia?

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.

Why should you use Cheapflights to find cheap flight tickets from London to Southeast Asia?

Cheapflights helps you find that perfect flight to Southeast Asia from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to Southeast Asia with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Southeast Asia flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to Southeast Asia become cheaper?

Yes! Start tracking prices for London to Southeast Asia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London, ON to Southeast Asia from C$ 883

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Southeast Asia

Cheapest flights from London to Southeast AsiaExplore 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 18 September 2026.

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 18 September 2026.

Best flights from London to Southeast AsiaDiscover 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 18 September 2026.

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 18 September 2026.

Last-minute flights from London to Southeast AsiaDiscover last-minute flight deals from London to Southeast Asia. Data last updated 18 September 2026 and is based on user searches.

Discover last-minute flight deals from London to Southeast Asia. Data last updated 18 September 2026 and is based on user searches.

One-way flights from London to Southeast AsiaSearch for one-way flight options from London to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Search for one-way flight options from London to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Find flight deals from London to Southeast Asia

Round-trip from

One-way from

Cheapflights Fare Finder

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

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.

Cheapflights Insights

Reviews of airlines servicing Southeast Asia

Get a feel of what it's like to fly with United 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.

Related info for your journey

What airport do you fly from for flights from London to Southeast Asia?

How long is the flight from London, Ontario to Southeast Asia?

What are the most popular routes from London, Ontario to Southeast Asia?

Can I find deals for flights from London to Southeast Asia that include hotel bookings?

How can I find direct flights from London to Southeast Asia?

Can I find deals for business class flights from London to Southeast Asia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Southeast Asia by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from London to Southeast Asia by cabin class

Find flights from London to Southeast Asia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and Southeast Asia flights

Browse other London and Southeast Asia flight options. Last updated on 18 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

London to Southeast Asia flights

Consider these flights travelling from London to Southeast Asia.

Top airline flying from London to Southeast Asia

Fly with Cheapflights

How does Cheapflights help users find flights from London to Southeast Asia?

Why should you use Cheapflights to find cheap flight tickets from London to Southeast Asia?

Can Cheapflights find flights from London to Southeast Asia with no change fees?

Can Cheapflights notify me if prices for flights from London to Southeast Asia become cheaper?

100% Free

Book with Flexibility

Travel Smart

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 18 September 2026.

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 18 September 2026.

Last-minute flights from London to Southeast Asia
Discover last-minute flight deals from London to Southeast Asia. Data last updated 18 September 2026 and is based on user searches.

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 18 September 2026.