£301+ 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 11/12. 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 — LHR
25 Dec — 1 Jan1
1 adult
1 adult, Economy, 0 bags

What to know about flights from London

Discover essential information about flights departing from London, including flight schedules, destinations, airlines operating at the London airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 25 November 2025.

Good round-trip deal

£566 or less
Price to beat on a round-trip flight from London.
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Find flights from London

Enter your travel dates to find the best prices.

Cheapest flights from London
Explore the most affordable flight options available from London. Find the lowest fares based on data from user searches, with prices last updated on 25 November 2025.

Tue 6/109:25YXU - LHR
2 stops16h 45mAir Canada
Tue 13/109:00LHR - YXU
2 stops17h 21mAir Canada
Deal found 22/11£472
Thu 8/109:25YXU - LHR
2 stops16h 45mAir Canada
Thu 15/109:00LHR - YXU
2 stops17h 21mAir Canada
Deal found 24/11£473
Wed 7/109:25YXU - LHR
2 stops16h 45mMultiple Airlines
Wed 14/109:00LHR - YXU
2 stops17h 21mMultiple Airlines
Deal found 23/11£484
Wed 7/117:40YXU - LHR
2 stops17h 40mAir Canada
Wed 14/109:00LHR - YXU
2 stops17h 21mAir Canada
Deal found 23/11£489
Wed 21/117:40YXU - LHR
1 stop9h 50mAir Canada
Sun 25/106:00LHR - YXU
2 stops16h 05mAir Canada
Deal found 22/11£495
Fri 9/117:40YXU - STN
2 stops19h 40mMultiple Airlines
Fri 16/106:30STN - YXU
3 stops19h 51mMultiple Airlines
Deal found 24/11£537
Thu 8/117:40YXU - LGW
2 stops14h 05mMultiple Airlines
Thu 15/114:55LGW - YXU
3 stops35h 26mMultiple Airlines
Deal found 24/11£557
Thu 8/117:40YXU - EDI
2 stops21h 00mMultiple Airlines
Thu 15/114:40EDI - YXU
3 stops35h 41mMultiple Airlines
Deal found 24/11£579
Wed 7/117:40YXU - EDI
2 stops24h 10mMultiple Airlines
Wed 14/106:35EDI - YXU
2 stops19h 46mMultiple Airlines
Deal found 22/11£608
Wed 21/109:25YXU - MAN
2 stops18h 15mLufthansa
Sun 25/106:25MAN - YXU
2 stops19h 56mLufthansa
Deal found 23/11£622
Wed 21/109:25YXU - EDI
2 stops21h 35mLufthansa
Sun 25/113:00EDI - YXU
2 stops33h 05mLufthansa
Deal found 23/11£653
Wed 7/120:10YXU - LGW
2 stops32h 35mMultiple Airlines
Wed 14/108:15LGW - YXU
2 stops27h 19mMultiple Airlines
Deal found 23/11£656

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 25 November 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

LondonLondon

YXU - LHR

YXULHR

London

Thu 8/1

09:25-07:10

2 stops16h 45m

London Heathrow

Thu 15/1

09:00-21:21

2 stops17h 21m

£473

LondonLondon

YXU - LHR

YXULHR

London

Fri 9/1

09:25-09:20

2 stops18h 55m

London Heathrow

Fri 16/1

09:00-21:21

2 stops17h 21m

£476

LondonLondon

YXU - LHR

YXULHR

London

Wed 7/1

17:40-16:20

2 stops17h 40m

London Heathrow

Wed 14/1

09:00-21:21

2 stops17h 21m

£489

LondonLondon

YXU - LHR

YXULHR

London

Wed 7/1

09:25-07:10

2 stops16h 45m

London Heathrow

Wed 14/1

09:00-21:21

2 stops17h 21m

£492

LondonLondon

YXU - LHR

YXULHR

London

Wed 21/1

17:40-11:20

1 stop12h 40m

London Heathrow

Sun 25/1

06:00-17:05

2 stops16h 05m

£495

LondonLondon

YXU - STN

YXUSTN

London

Fri 9/1

17:40-18:20

2 stops19h 40m

London Stansted

Fri 16/1

06:30-21:21

3 stops19h 51m

£537

LondonLondon

YXU - LGW

YXULGW

London

Thu 8/1

17:40-12:45

2 stops14h 05m

London Gatwick

Thu 15/1

14:55-21:21

3 stops35h 26m

£557

LondonEdinburgh

YXU - EDI

YXUEDI

London

Thu 8/1

17:40-19:40

2 stops21h 00m

Edinburgh Turnhouse

Thu 15/1

14:40-21:21

3 stops35h 41m

£579

LondonEdinburgh

YXU - EDI

YXUEDI

London

Wed 7/1

17:40-22:50

2 stops24h 10m

Edinburgh Turnhouse

Wed 14/1

06:35-21:21

2 stops19h 46m

£608

LondonManchester

YXU - MAN

YXUMAN

London

Wed 21/1

17:40-22:30

2 stops23h 50m

Manchester

Sun 25/1

06:25-17:05

2 stops15h 40m

£622

Flights are sorted by cheapest return flights first.

Deals found on 24/11

Showing 1-10 of 53 results
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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, March is the cheapest month in which you can book a flight from London, Ontario (average of £367). Flying from London, Ontario in July will prove the most costly (average of £505). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from London, Ontario?

If you’re flying from London, Ontario, these routes are more frequently taken by airlines Toronto (136 flights per day), Calgary (6 flights per day) and Cancún (1 flights per day).

Toronto
Toronto
From £566

What is the cheapest place to fly to from London, Ontario?

The cheapest city to fly to from London, Ontario is Toronto, with prices starting at £566. Explore other affordable destinations below.

Toronto
Toronto
From £566

Browse thousands of different options on Cheapflights for your next trip

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Direct flights from Canada

Book a direct flight from one of these other cities located in Canada.
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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 25 November 2025.

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

    This month, the top selected destinations from London, Ontario are Calgary, Vancouver Intl Airport, Cancún. Throughout the year, Calgary, Vancouver Intl Airport, Cancún are some of the top choices made by users flying from London, Ontario.

  • What is the cheapest flight from London, Ontario to anywhere?

    Users have flown out of London, Ontario for as low as £566 to Toronto Pearson Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £1,015 to fly from London, Ontario.

  • What is the cheapest premium economy flight from London, Ontario?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from London, Ontario.
    London to Calgary from £941
    London to Toronto Pearson Intl Airport from £1,046

  • What is the cheapest first class flight from London, Ontario?

    If you’re looking for a cheap first-class flight from London, Ontario, consider Toronto. Prices start at £1,710 so you can fly first-class even on a budget.

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

    At the present moment the cheapest month to fly from London, Ontario is currently March; with July being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • How does Cheapflights help users find flights from London?

    Cheapflights helps you search for flights from London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from London.

  • Can Cheapflights find flights from London with no change fees?

    Need flexible booking options for your flight from London ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

    Yes, Cheapflights offers price alerts on flights from London so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

See more FAQs

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?

Cheapflights helps you search for flights from London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from London.

Can Cheapflights find flights from London with no change fees?

Need flexible booking options for your flight from London ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on flights from London so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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