Find flights
When to book
Airlines
FAQs

Cheap flights from London, ON to Southeast Asia from C$ 1,816

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — BKK
22 Apr — 29 Apr1
1 adult

Cheap 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 17 April 2025.

Round-trip from

C$ 1,816
1/6-8/6
  • 1/6-8/6
  • 6 total stops
  • 77h 54m total
  • London to Southeast Asia
Search Deals

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 17 April 2025.

Sun 1/66:00 a.m.YXU - MNL
3 stops49h 10mMultiple Airlines
Sun 8/612:30 p.m.MNL - YXU
3 stops28h 44mMultiple Airlines
Deal found 17/4C$ 1,816
Mon 15/128:00 p.m.YXU - MNL
2 stops44h 30mPhilippine Airlines
Fri 9/18:10 p.m.MNL - YXU
2 stops60h 02mPhilippine Airlines
Deal found 16/4C$ 3,046
Sun 1/63:35 p.m.YXU - MNL
3 stops50h 20mUnited Airlines
Sun 8/68:40 a.m.MNL - YXU
2 stops36h 38mUnited Airlines
Deal found 17/4C$ 3,188
Sat 10/56:15 a.m.YXU - BKK
2 stops38h 25mMultiple Airlines
Fri 23/510:25 p.m.BKK - YXU
2 stops51h 38mMultiple Airlines
Deal found 17/4C$ 5,091

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 17 April 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

Sun 1/6

6:00 a.m.-7:10 p.m.

3 stops49h 10m

Manila Ninoy Aquino Intl

Sun 8/6

12:30 p.m.-5:14 a.m.

3 stops28h 44m

C$ 1,816

LondonManila

YXU - MNL

YXUMNL

London

Sun 1/6

3:35 p.m.-5:55 a.m.

3 stops50h 20m

Manila Ninoy Aquino Intl

Sun 8/6

8:40 a.m.-9:18 a.m.

2 stops36h 38m

C$ 3,188

LondonBangkok

YXU - BKK

YXUBKK

London

Sat 10/5

6:15 a.m.-7:40 a.m.

2 stops38h 25m

Bangkok Suvarnabhumi

Fri 23/5

10:25 p.m.-3:03 p.m.

2 stops51h 38m

C$ 5,091

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/4

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$ 1,510). 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 17 April 2025.
United Airlines
7.4
Good
8,667 reviews
Check prices

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
United Airlines
7.4
Good
8,667 reviews
United Airlines
7.4
Good
8,667 reviews
Check prices

Boarding

7.7

Overall

7.4

Food

6.6

Crew

8.1

Comfort

7.3

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

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?

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

  • 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$ 1,510). 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

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.
Pearson Intl to Narita flights
Pearson Intl to Haneda flights
Pearson Intl to New Delhi flights
Pierre Elliott Trudeau Intl to Narita flights
Pearson Intl to Hong Kong flights
Pearson Intl to Incheon Intl flights
Pearson Intl to Manila flights
Pearson Intl to Hongqiao Intl flights
Pierre Elliott Trudeau Intl to Haneda flights
Pierre Elliott Trudeau Intl to Suvarnabhumi flights
Pearson Intl to Suvarnabhumi flights
Pearson Intl to Pu Dong flights
Pearson Intl to Mumbai flights
Toronto Island to Narita flights
Pearson Intl to Lahore flights
Pearson Intl to Capital flights
Pearson Intl to Ho Chi Minh City flights
Toronto Island to New Delhi flights
Pearson Intl to Taiwan Taoyuan Intl flights
Pearson Intl to Colombo flights
Pearson Intl to Ahmedabad flights
Pearson Intl to Beijing Daxing Intl flights
Region of Waterloo Intl to Narita flights
Toronto Island to Lahore flights
Toronto Island to Hong Kong flights
Pierre Elliott Trudeau Intl to Denpasar flights
Pearson Intl to Guangzhou flights
Pearson Intl to Karachi flights
Pierre Elliott Trudeau Intl to Incheon Intl flights
Pearson Intl to Kuala Lumpur Intl flights
Pearson Intl to Gimpo Intl flights
Pearson Intl to Cochin flights
Pearson Intl to Hyderabad flights
Toronto Island to Colombo flights
Pearson Intl to Chennai flights
Pierre Elliott Trudeau Intl to Ho Chi Minh City flights
Pierre Elliott Trudeau Intl to Capital flights
Pearson Intl to Kathmandu flights
Pierre Elliott Trudeau Intl to Manila flights
Pierre Elliott Trudeau Intl to Hongqiao Intl flights
Pierre Elliott Trudeau Intl to Hong Kong flights
Pearson Intl to Amritsar flights
Toronto Island to Mumbai flights
Pearson Intl to Bangalore flights
Pearson Intl to Denpasar flights
Pierre Elliott Trudeau Intl to Gimpo Intl flights
Pearson Intl to Dhaka flights
Toronto Island to Pu Dong 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.

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.