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Cheap flights from London, ON to Southeast Asia from C$ 927

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — BKK
6 May — 13 May1
1 adult

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 May 2025.

Thu 1/58:00 p.m.YXU - BKK
3 stops51h 55mMultiple Airlines
Wed 7/51:35 a.m.BKK - YXU
3 stops38h 39mMultiple Airlines
Deal found 30/4C$ 2,532

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 1 May 2025.
Use the filters below to find and compare flights from London to Southeast Asia that are best for you.

Fly from

London

Fly to

Southeast Asia

Route

Depart

Return

Price

LondonManila

YXU - MNL

YXUMNL

London

Tue 6/5

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

3 stops27h 00m

C$ 927

LondonManila

YXU - MNL

YXUMNL

London

Tue 6/5

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

2 stops45h 30m

C$ 1,017

LondonSingapore

YXU - SIN

YXUSIN

London

Sat 14/6

3:35 p.m.-7:05 a.m.

2 stops51h 30m

C$ 1,111

LondonSingapore

YXU - SIN

YXUSIN

London

Sat 14/6

8:00 p.m.-5:45 p.m.

3 stops57h 45m

C$ 1,159

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

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 July is currently the most expensive (average of C$ 1,481). 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.

Rainfall in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average rainfall totals by month.

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.

Temperature in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average temperature totals by month.

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).

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 1 May 2025.

Food

6.9

Comfort

7.1

Crew

7.9

Entertainment

6.6

Overall

7.2

Boarding

7.2

Reviews

1 / 20
2.0
Mediocre

Gene,Mar 2025

SFO - MNL

Flight delayed four hours! No compensation at all! Gene Anderson

Food

6.9

Comfort

7.1

Crew

7.9

Entertainment

6.6

Overall

7.2

Boarding

7.2

Reviews

1 / 20
2.0
Mediocre

Gene,Mar 2025

SFO - MNL

Flight delayed four hours! No compensation at all! Gene Anderson

Food

6.9

Comfort

7.1

Crew

7.9

Entertainment

6.6

Overall

7.2

Boarding

7.2

Reviews

1 / 20
2.0
Mediocre

Gene,Mar 2025

SFO - MNL

Flight delayed four hours! No compensation at all! Gene Anderson

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.

  • 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?

    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 July is currently the most expensive (average of C$ 1,481). 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.

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Alternative routes for London to Southeast Asia

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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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