£164+ 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 5/3. 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
27 Jan — 3 Feb1
1 adult
1 adult, Economy, 0 bags

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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 28 December 2025.

Tue 10/217:40YXU - STN
2 stops19h 40mMultiple Airlines
Tue 17/206:30STN - YXU
3 stops19h 51mMultiple Airlines
Deal found 27/12£478
Tue 10/205:10YXU - LHR
1 stop20h 20mMultiple Airlines
Tue 17/207:40LHR - YXU
2 stops14h 25mMultiple Airlines
Deal found 27/12£508
Mon 9/217:40YXU - LGW
2 stops19h 10mMultiple Airlines
Mon 16/218:40LGW - YXU
2 stops31h 41mMultiple Airlines
Deal found 26/12£515
Tue 10/217:40YXU - LHR
1 stop12h 40mAir Canada
Tue 17/211:10LHR - YXU
1 stop26h 36mAir Canada
Deal found 27/12£518
Mon 9/205:10YXU - LHR
1 stop22h 20mAir Canada
Mon 16/209:00LHR - YXU
2 stops17h 21mAir Canada
Deal found 26/12£523
Mon 23/209:25YXU - LHR
2 stops17h 30mUnited Airlines
Fri 27/213:35LHR - YXU
2 stops24h 11mUnited Airlines
Deal found 25/12£526
Sun 17/518:10YXU - LHR
2 stops21h 50mMultiple Airlines
Sun 24/520:25LHR - YXU
2 stops30h 13mMultiple Airlines
Deal found 26/12£551
Tue 10/209:25YXU - MAN
2 stops24h 25mMultiple Airlines
Tue 17/209:10MAN - YXU
2 stops17h 11mMultiple Airlines
Deal found 26/12£591
Tue 10/209:25YXU - GLA
2 stops21h 40mMultiple Airlines
Tue 17/206:00GLA - YXU
2 stops16h 05mMultiple Airlines
Deal found 27/12£615
Sun 5/405:10YXU - EDI
2 stops24h 25mUnited Airlines
Thu 9/412:30EDI - YXU
2 stops37h 48mUnited Airlines
Deal found 25/12£637
Tue 10/217:40YXU - BHX
2 stops18h 25mMultiple Airlines
Tue 17/213:25BHX - YXU
2 stops24h 21mMultiple Airlines
Deal found 27/12£649
Tue 10/209:25YXU - EDI
2 stops21h 35mLufthansa
Tue 17/212:45EDI - YXU
2 stops33h 20mLufthansa
Deal found 27/12£653

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

Fly to

Heathrow

Route

Depart

Return

Price

LondonLondon

YXU - STN

YXUSTN

London

Tue 10/2

17:40-18:20

2 stops19h 40m

London Stansted

Tue 17/2

06:30-21:21

3 stops19h 51m

£478

LondonLondon

YXU - LHR

YXULHR

London

Tue 10/2

05:10-06:30

1 stop20h 20m

London Heathrow

Tue 17/2

07:40-17:05

2 stops14h 25m

£508

LondonLondon

YXU - LGW

YXULGW

London

Mon 9/2

17:40-17:50

2 stops19h 10m

London Gatwick

Mon 16/2

18:40-21:21

2 stops31h 41m

£515

LondonLondon

YXU - LHR

YXULHR

London

Tue 10/2

17:40-11:20

1 stop12h 40m

London Heathrow

Tue 17/2

11:10-08:46

1 stop26h 36m

£518

LondonLondon

YXU - LHR

YXULHR

London

Mon 9/2

09:25-10:50

2 stops20h 25m

London Heathrow

Mon 16/2

13:35-08:46

2 stops24h 11m

£526

LondonLondon

YXU - LHR

YXULHR

London

Wed 11/2

09:25-10:50

2 stops20h 25m

London Heathrow

Wed 18/2

09:10-21:21

2 stops17h 11m

£526

LondonLondon

YXU - LHR

YXULHR

London

Tue 10/2

09:25-05:55

2 stops15h 30m

London Heathrow

Tue 17/2

10:25-21:21

2 stops15h 56m

£526

LondonManchester

YXU - MAN

YXUMAN

London

Tue 10/2

09:25-14:50

2 stops24h 25m

Manchester

Tue 17/2

09:10-21:21

2 stops17h 11m

£591

LondonGlasgow

YXU - GLA

YXUGLA

London

Tue 10/2

09:25-12:05

2 stops21h 40m

Glasgow Intl

Tue 17/2

06:00-17:05

2 stops16h 05m

£615

LondonEdinburgh

YXU - EDI

YXUEDI

London

Sun 5/4

05:10-10:35

2 stops24h 25m

Edinburgh Turnhouse

Thu 9/4

12:30-21:18

2 stops37h 48m

£637

Flights are sorted by cheapest return flights first.

Deals found on 25/12

Showing 1-10 of 34 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 £355). Flying from London, Ontario in July will prove the most costly (average of £492). 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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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 28 December 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 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 £913
    London to Toronto Pearson Intl Airport from £1,015

  • 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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