£127+ 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 20/1. 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
14 Dec — 21 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 14 November 2025.

Good round-trip deal

£564 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 14 November 2025.

Fri 27/209:25YXU - LHR
1 stop16h 05mAir Canada
Mon 2/313:45LHR - YXU
2 stops36h 36mAir Canada
Deal found 11/11£508
Tue 9/1217:40YXU - LHR
1 stop9h 50mAir Canada
Mon 15/1213:25LHR - YXU
2 stops24h 21mAir Canada
Deal found 13/11£587
Fri 20/217:40YXU - LCY
2 stops42h 00mLufthansa
Tue 24/218:15LCY - YXU
2 stops51h 50mLufthansa
Deal found 12/11£596
Mon 11/506:15YXU - EDI
1 stop20h 05mAir Canada
Fri 15/509:00EDI - YXU
1 stop29h 17mAir Canada
Deal found 11/11£596
Mon 11/515:35YXU - EDI
1 stop10h 45mLufthansa
Fri 15/509:00EDI - YXU
1 stop17h 27mLufthansa
Deal found 12/11£597
Wed 6/515:35YXU - LHR
2 stops13h 25mAir Canada
Sun 24/508:30LHR - YXU
1 stop11h 27mAir Canada
Deal found 13/11£597
Wed 10/1209:25YXU - LHR
1 stop16h 05mAir Canada
Wed 17/1218:00LHR - YXU
1 stop32h 21mAir Canada
Deal found 12/11£603
Wed 10/1209:25YXU - LHR
2 stops18h 55mMultiple Airlines
Wed 17/1213:25LHR - YXU
2 stops24h 21mMultiple Airlines
Deal found 12/11£609
Thu 11/1209:25YXU - LHR
2 stops16h 45mAir Canada
Thu 18/1213:25LHR - YXU
2 stops24h 21mAir Canada
Deal found 13/11£650
Fri 27/207:30YXU - LHR
1 stop24h 20mWestJet
Mon 2/314:50LHR - YXU
1 stop20h 45mWestJet
Deal found 13/11£669
Mon 2/317:40YXU - MAN
2 stops18h 20mLufthansa
Fri 6/313:00MAN - YXU
2 stops33h 05mLufthansa
Deal found 11/11£681
Thu 7/506:15YXU - BHX
2 stops30h 00mAir Canada
Mon 11/506:00BHX - YXU
2 stops32h 17mAir Canada
Deal found 12/11£764

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 14 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 27/2

09:25-09:20

2 stops18h 55m

London Heathrow

Mon 2/3

13:45-21:21

2 stops36h 36m

£508

LondonLondon

YXU - LHR

YXULHR

London

Tue 9/12

09:25-11:20

1 stop20h 55m

London Heathrow

Mon 15/12

11:10-21:21

1 stop15h 11m

£587

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

£596

LondonEdinburgh

YXU - EDI

YXUEDI

London

Mon 11/5

06:15-07:20

1 stop20h 05m

Edinburgh Turnhouse

Fri 15/5

09:00-09:17

1 stop29h 17m

£596

LondonEdinburgh

YXU - EDI

YXUEDI

London

Mon 11/5

15:35-07:20

1 stop10h 45m

Edinburgh Turnhouse

Fri 15/5

09:00-21:27

1 stop17h 27m

£597

LondonLondon

YXU - LHR

YXULHR

London

Wed 6/5

15:35-10:00

2 stops13h 25m

London Heathrow

Sun 24/5

08:30-14:57

1 stop11h 27m

£597

LondonLondon

YXU - LHR

YXULHR

London

Wed 10/12

09:25-07:10

2 stops16h 45m

London Heathrow

Wed 17/12

13:25-08:46

2 stops24h 21m

£603

LondonManchester

YXU - MAN

YXUMAN

London

Mon 2/3

09:25-22:30

2 stops32h 05m

Manchester

Fri 6/3

09:25-17:05

2 stops36h 40m

£681

LondonBirmingham

YXU - BHX

YXUBHX

London

Thu 7/5

06:15-17:15

2 stops30h 00m

Birmingham

Mon 11/5

06:00-09:17

2 stops32h 17m

£764

LondonLondon

YXU - STN

YXUSTN

London

Wed 10/12

17:40-15:40

2 stops17h 00m

London Stansted

Wed 17/12

06:30-17:05

2 stops15h 35m

£803

Flights are sorted by cheapest return flights first.

Deals found on 12/11

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 £365). Flying from London, Ontario in July will prove the most costly (average of £502). 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 £564. Explore other affordable destinations below.

Toronto
Toronto
From £564

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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 14 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 £564 to Toronto Pearson Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £1,011 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 £937
    London to Toronto Pearson Intl Airport from £1,042

  • 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 £1,702 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.

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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?

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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