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Cheap flights from London, ON to Southeast Asia from C$ 960

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — BKK
25 Aug — 1 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Southeast Asia

Enter your travel dates to find the best prices.

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 26 July 2026.

Tue 8/96:10 a.m.
YXU
-
MNL
3 stops40h 45m
Multiple Airlines
Mon 14/93:10 a.m.
MNL
-
YXU
3 stops38h 10m
Multiple Airlines
Deal found 24/7C$ 1,705
Mon 7/96:20 p.m.
YXU
-
SIN
3 stops60h 15m
United Airlines
Mon 14/98:35 p.m.
SIN
-
YXU
2 stops24h 45m
United Airlines
Deal found 24/7C$ 1,716
Sat 22/86:10 a.m.
YXU
-
BKK
2 stops35h 55m
Multiple Airlines
Fri 28/87:05 a.m.
BKK
-
YXU
3 stops33h 15m
Multiple Airlines
Deal found 22/7C$ 1,720
Mon 7/96:10 a.m.
YXU
-
BKK
3 stops28h 45m
Multiple Airlines
Mon 14/95:05 a.m.
BKK
-
YXU
3 stops35h 15m
Multiple Airlines
Deal found 24/7C$ 1,727
Wed 9/96:10 a.m.
YXU
-
BKK
3 stops31h 00m
Multiple Airlines
Wed 16/95:30 p.m.
BKK
-
YXU
3 stops34h 15m
Multiple Airlines
Deal found 26/7C$ 1,729
Wed 9/910:05 a.m.
YXU
-
BKK
2 stops32h 00m
Air Canada
Wed 16/97:05 a.m.
BKK
-
YXU
2 stops21h 38m
Air Canada
Deal found 26/7C$ 1,777
Wed 9/96:10 a.m.
YXU
-
SIN
3 stops43h 05m
Multiple Airlines
Wed 16/97:30 a.m.
SIN
-
YXU
3 stops33h 50m
Multiple Airlines
Deal found 26/7C$ 1,791
Wed 9/95:40 a.m.
YXU
-
SIN
2 stops51h 50m
Air Canada
Wed 16/96:15 a.m.
SIN
-
YXU
2 stops27h 25m
Air Canada
Deal found 26/7C$ 1,820
Mon 7/93:30 p.m.
YXU
-
BKK
3 stops55h 05m
United Airlines
Mon 14/93:45 p.m.
BKK
-
YXU
3 stops52h 35m
United Airlines
Deal found 24/7C$ 1,829
Mon 7/93:30 p.m.
YXU
-
BKK
2 stops26h 35m
Air Canada
Mon 14/99:35 p.m.
BKK
-
YXU
2 stops35h 05m
Air Canada
Deal found 24/7C$ 1,871
Sat 22/85:40 a.m.
YXU
-
BKK
3 stops40h 55m
United Airlines
Fri 28/83:45 p.m.
BKK
-
YXU
3 stops52h 35m
United Airlines
Deal found 22/7C$ 1,898
Sat 5/96:20 p.m.
YXU
-
SIN
2 stops46h 55m
Air Canada
Sat 12/97:00 a.m.
SIN
-
YXU
2 stops26h 40m
Air Canada
Deal found 22/7C$ 2,025

Find flight deals from London to Southeast Asia

Keep the following information in mind while searching for London to Southeast Asia flight deals. Data was last updated 26 July 2026.

Round-trip from

C$ 1,705

One-way from

C$ 960
8/9-14/9
  • 8/9-14/9
  • 6 total stops
  • 78h 55m total
  • London to Southeast Asia
Search Deals
9/9
  • 9/9
  • 2 total stops
  • 40h 35m total
  • London to Southeast Asia
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Southeast Asia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 26 July 2026.
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 - MNL

YXUMNL

London

Tue 8/9

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

3 stops40h 45m

Manila Ninoy Aquino Intl

Mon 14/9

3:10 a.m.-5:20 a.m.

3 stops38h 10m

C$ 1,705

LondonSingapore

YXU - SIN

YXUSIN

London

Mon 7/9

6:20 p.m.-6:35 p.m.

3 stops60h 15m

Singapore Changi

Mon 14/9

8:35 p.m.-9:20 a.m.

2 stops24h 45m

C$ 1,716

LondonBangkok

YXU - BKK

YXUBKK

London

Sat 22/8

6:10 a.m.-5:05 a.m.

2 stops35h 55m

Bangkok Suvarnabhumi

Fri 28/8

7:05 a.m.-5:20 a.m.

3 stops33h 15m

C$ 1,720

LondonBangkok

YXU - BKK

YXUBKK

London

Mon 7/9

6:10 a.m.-9:55 p.m.

3 stops28h 45m

Bangkok Suvarnabhumi

Mon 14/9

5:05 a.m.-5:20 a.m.

3 stops35h 15m

C$ 1,727

LondonSingapore

YXU - SIN

YXUSIN

London

Wed 9/9

6:10 a.m.-1:15 p.m.

3 stops43h 05m

Singapore Changi

Wed 16/9

7:30 a.m.-5:20 a.m.

3 stops33h 50m

C$ 1,791

LondonBangkok

YXU - BKK

YXUBKK

London

Wed 9/9

6:10 a.m.-11:35 p.m.

3 stops30h 25m

Bangkok Suvarnabhumi

Wed 16/9

7:05 a.m.-5:20 a.m.

2 stops33h 15m

C$ 1,797

LondonBangkok

YXU - BKK

YXUBKK

London

Mon 7/9

3:30 p.m.-9:35 a.m.

3 stops55h 05m

Bangkok Suvarnabhumi

Mon 14/9

3:45 p.m.-9:20 a.m.

3 stops52h 35m

C$ 1,829

LondonManila

YXU - MNL

YXUMNL

London

Fri 15/1

5:30 a.m.-11:50 p.m.

2 stops29h 20m

Manila Ninoy Aquino Intl

Sun 31/1

9:45 a.m.-9:47 p.m.

2 stops25h 02m

C$ 1,835

LondonBangkok

YXU - BKK

YXUBKK

London

Mon 7/9

3:30 p.m.-5:05 a.m.

2 stops26h 35m

Bangkok Suvarnabhumi

Mon 14/9

9:35 p.m.-9:40 p.m.

2 stops35h 05m

C$ 1,871

LondonBangkok

YXU - BKK

YXUBKK

London

Sat 22/8

5:40 a.m.-9:35 a.m.

3 stops40h 55m

Bangkok Suvarnabhumi

Fri 28/8

3:45 p.m.-9:20 a.m.

3 stops52h 35m

C$ 1,898

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/7

Showing 1-10 of 22 resultsSorted by cheapest first
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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

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

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southeast Asia. Reviews last updated 26 July 2026.
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
10,038 reviews
Check prices

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

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
10,038 reviews
United Airlines
7.4
Good
10,038 reviews
Check prices

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

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

Find useful and relevant information for your journey from London to Southeast Asia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 26h 35m. United Airlines provides one of the quickest options available for as low as C$ 1,871. There are 13696 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

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Alternative routes for London to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from London to Southeast Asia

Discover the top airline that operate flights from London to Southeast Asia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 26 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 1,205AverageC$ 1,698FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

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