£132+ 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 6/2. 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
7 Dec — 14 Dec1
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 7 November 2025.

Good round-trip deal

£565 or less
Price to beat on a round-trip flight from London.
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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 7 November 2025.

Fri 20/209:25YXU - LHR
1 stop21h 25mAir Canada
Tue 24/213:45LHR - YXU
2 stops36h 36mAir Canada
Deal found 5/11£505
Fri 20/209:25YXU - LHR
2 stops16h 45mLufthansa
Tue 24/206:35LHR - YXU
2 stops15h 30mLufthansa
Deal found 6/11£508
Mon 17/1109:25YXU - LHR
2 stops16h 45mAir Canada
Mon 1/1213:25LHR - YXU
2 stops24h 21mAir Canada
Deal found 7/11£524
Thu 4/1220:10YXU - LHR
1 stop35h 40mWestJet
Thu 11/1214:50LHR - YXU
1 stop20h 44mWestJet
Deal found 5/11£543
Thu 4/1220:10YXU - LHR
2 stops32h 10mMultiple Airlines
Thu 11/1215:00LHR - YXU
1 stop20h 34mMultiple Airlines
Deal found 6/11£570
Wed 6/515:35YXU - LHR
1 stop10h 00mAir Canada
Sun 24/512:05LHR - YXU
2 stops14h 22mAir Canada
Deal found 6/11£582
Fri 20/217:40YXU - LCY
2 stops42h 00mLufthansa
Tue 24/218:15LCY - YXU
2 stops51h 50mLufthansa
Deal found 5/11£591
Thu 4/1209:25YXU - LHR
2 stops16h 45mAir Canada
Thu 11/1209:00LHR - YXU
2 stops13h 05mAir Canada
Deal found 6/11£599
Wed 25/309:25YXU - BHX
2 stops18h 20mMultiple Airlines
Mon 6/409:10BHX - YXU
2 stops17h 08mMultiple Airlines
Deal found 6/11£617
Mon 4/515:35YXU - EDI
1 stop10h 45mMultiple Airlines
Thu 14/512:30EDI - YXU
2 stops13h 57mMultiple Airlines
Deal found 6/11£619
Mon 2/317:40YXU - MAN
2 stops18h 15mLufthansa
Fri 6/309:25MAN - YXU
2 stops36h 40mLufthansa
Deal found 7/11£621
Thu 4/1220:10YXU - LGW
2 stops32h 35mMultiple Airlines
Thu 11/1207:00LGW - YXU
3 stops30h 46mMultiple Airlines
Deal found 6/11£754

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 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

Fri 20/2

17:40-20:35

2 stops21h 55m

London Heathrow

Tue 24/2

13:45-21:21

2 stops36h 36m

£505

LondonLondon

YXU - LHR

YXULHR

London

Fri 20/2

09:25-07:10

2 stops16h 45m

London Heathrow

Tue 24/2

06:35-17:05

2 stops15h 30m

£508

LondonLondon

YXU - LHR

YXULHR

London

Thu 4/12

20:10-12:50

1 stop35h 40m

London Heathrow

Thu 11/12

14:50-06:34

1 stop20h 44m

£543

LondonLondon

YXU - LHR

YXULHR

London

Thu 4/12

20:10-09:20

2 stops32h 10m

London Heathrow

Thu 11/12

15:00-06:34

1 stop20h 34m

£570

LondonLondon

YXU - LHR

YXULHR

London

Wed 6/5

15:35-06:35

1 stop10h 00m

London Heathrow

Sun 24/5

12:05-21:27

2 stops14h 22m

£582

LondonLondon

YXU - LCY

YXULCY

London

Fri 20/2

17:40-16:40

2 stops42h 00m

London City

Tue 24/2

18:15-17:05

2 stops51h 50m

£591

LondonLondon

YXU - LHR

YXULHR

London

Thu 4/12

09:25-08:30

1 stop18h 05m

London Heathrow

Thu 11/12

09:00-17:05

2 stops13h 05m

£601

LondonBirmingham

YXU - BHX

YXUBHX

London

Wed 25/3

09:25-07:45

2 stops18h 20m

Birmingham

Mon 6/4

09:10-21:18

2 stops17h 08m

£617

LondonEdinburgh

YXU - EDI

YXUEDI

London

Mon 4/5

15:35-07:20

1 stop10h 45m

Edinburgh Turnhouse

Thu 14/5

12:30-21:27

2 stops13h 57m

£619

LondonManchester

YXU - MAN

YXUMAN

London

Mon 2/3

17:40-16:55

2 stops18h 15m

Manchester

Fri 6/3

09:25-17:05

2 stops36h 40m

£621

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 36 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 £368). Flying from London, Ontario in July will prove the most costly (average of £503). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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 £565. Explore other affordable destinations below.

Toronto
Toronto
From £565

Browse thousands of different options on Cheapflights for your next trip

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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 7 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 £565 to Toronto Pearson Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £1,013 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 £939
    London to Toronto Pearson Intl Airport from £1,044

  • 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 £1,705 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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