$614+ Cheap flights from London, Ontario

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YXU — SYD
7 May — 14 May1
1 adult
1 adult, Economy, 0 bags

Find flights from London within your budget

 
Find flights departing from London that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 7 April 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonBrisbane

YXU - BNE

YXUBNE

London

Mon 18/5

06:10-10:35

3 stops38h 25m

Brisbane

Mon 25/5

11:55-05:20

3 stops31h 25m

$1,731

LondonBrisbane

YXU - BNE

YXUBNE

London

Mon 18/5

12:20-07:05

2 stops28h 45m

Brisbane

Mon 25/5

10:00-17:33

2 stops45h 33m

$2,448

LondonSydney

YXU - SYD

YXUSYD

London

Wed 13/5

09:30-07:00

2 stops31h 30m

Sydney Kingsford Smith

Sun 17/5

10:20-11:43

2 stops39h 23m

$2,584
Cheapest one-way
Fastest single journey

LondonSydney

YXU - SYD

YXUSYD

London

Fri 22/5

06:10-11:50

3 stops39h 40m

$930

LondonSydney

YXU - SYD

YXUSYD

London

Wed 20/5

06:10-11:50

3 stops39h 40m

$991

LondonSydney

YXU - SYD

YXUSYD

London

Wed 20/5

17:55-06:35

2 stops46h 40m

$1,272

Flights are sorted by cheapest return flights first.

Deals found on 6/4

Sorted by cheapest first

Best time to book a flight from London

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

Travel insights for flights from London

Get recent, data-driven insights about flights from London including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from London, Ontario (average of $317). Flying from London, Ontario in November will prove the most costly (average of $1,380). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Direct flights from Canada

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Direct flights from Windsor

Related info for your journey

Access useful and relevant information related to your journey from London. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 7 April 2026.

  • What are the most popular destinations to fly to from London, Ontario?

    For the current month, the most popular flights from London, Ontario are Calgary, Vancouver Intl Airport, Cancún. Calgary, Vancouver Intl Airport, Edmonton are the most popular locations from London, Ontario year round.

  • What is the cheapest month to fly from London, Ontario?

    Currently, the cheapest month for flights from London, Ontario is September. The most expensive month for flights is November. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • How does Cheapflights help users find flights from London?

    When you search for this flight from London, 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 best flight for you.

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

    Cheapflights helps you find that perfect flight 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 with no change fees?

    Cheapflights does show flights with no change fees to all users. To see these options for flights from London, users can toggle the no change fees filter when performing a flight search.

  • Can Cheapflights notify me if prices for flights from London become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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Fly with Cheapflights

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

How does Cheapflights help users find flights from London?

When you search for this flight from London, 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 best flight for you.

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

Cheapflights helps you find that perfect flight 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 with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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