£170+ Cheap flights from London, Ontario

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. 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
3 Sep — 10 Sep1
1 adult

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 29 August 2025.

Cheapest airline

Air Canada

Good round-trip deal

£548 or less
On average, Air Canada currently has the cheapest one-way flight from London (avg. price of £306).
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Price to beat on a round-trip flight from London.
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Find flights from London

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 29 August 2025.

Sat 11/1015:40YXU - LHR
2 stops12h 55mAir Canada
Sat 18/1006:50LHR - YXU
2 stops13h 12mAir Canada
Deal found 27/8£425
Fri 3/1015:40YXU - LHR
1 stop9h 55mAir Canada
Sun 19/1006:00LHR - YXU
2 stops38h 02mAir Canada
Deal found 28/8£429
Fri 10/1015:40YXU - LHR
2 stops24h 20mAir Canada
Fri 17/1006:00LHR - YXU
2 stops20h 27mAir Canada
Deal found 26/8£432
Sun 12/1015:40YXU - LHR
1 stop11h 55mMultiple Airlines
Sun 19/1012:40LHR - YXU
2 stops13h 47mMultiple Airlines
Deal found 28/8£443
Sun 12/1009:55YXU - LHR
1 stop20h 55mAir Canada
Sun 19/1008:30LHR - YXU
1 stop17h 57mAir Canada
Deal found 28/8£446
Fri 20/209:25YXU - LHR
2 stops30h 10mAir Canada
Tue 24/213:45LHR - YXU
2 stops36h 36mAir Canada
Deal found 26/8£450
Wed 1/1009:55YXU - LHR
1 stop19h 05mAir Canada
Tue 14/1008:45LHR - YXU
2 stops17h 42mAir Canada
Deal found 28/8£451
Sun 12/1006:15YXU - EDI
1 stop20h 05mAir Canada
Sun 19/1009:00EDI - YXU
1 stop11h 02mAir Canada
Deal found 28/8£547
Sat 11/1015:40YXU - STN
2 stops17h 00mMultiple Airlines
Sat 18/1006:35STN - YXU
2 stops13h 27mMultiple Airlines
Deal found 27/8£553
Sun 12/1015:40YXU - EDI
1 stop10h 40mMultiple Airlines
Sun 19/1019:20EDI - YXU
2 stops31h 07mMultiple Airlines
Deal found 28/8£555
Sat 11/1015:40YXU - MAN
2 stops14h 45mMultiple Airlines
Sat 18/1007:35MAN - YXU
2 stops12h 27mMultiple Airlines
Deal found 27/8£572
Sun 12/1015:40YXU - EDI
2 stops22h 15mSWISS
Sun 19/1019:20EDI - YXU
2 stops31h 07mSWISS
Deal found 28/8£579

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 29 August 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

Sat 11/10

15:40-09:35

2 stops12h 55m

London Heathrow

Sat 18/10

06:50-15:02

2 stops13h 12m

£425

LondonLondon

YXU - LHR

YXULHR

London

Fri 3/10

15:40-06:35

1 stop9h 55m

London Heathrow

Sun 19/10

06:00-15:02

2 stops38h 02m

£429

LondonLondon

YXU - LHR

YXULHR

London

Fri 10/10

15:40-21:00

2 stops24h 20m

London Heathrow

Fri 17/10

06:00-21:27

2 stops20h 27m

£432

LondonLondon

YXU - LHR

YXULHR

London

Sun 12/10

15:40-08:35

1 stop11h 55m

London Heathrow

Sun 19/10

12:40-21:27

2 stops13h 47m

£443

LondonLondon

YXU - LHR

YXULHR

London

Sun 12/10

09:55-11:50

1 stop20h 55m

London Heathrow

Sun 19/10

08:30-21:27

1 stop17h 57m

£446

LondonLondon

YXU - LHR

YXULHR

London

Fri 20/2

09:25-20:35

2 stops30h 10m

London Heathrow

Tue 24/2

13:45-21:21

2 stops36h 36m

£450

LondonEdinburgh

YXU - EDI

YXUEDI

London

Sun 12/10

06:15-07:20

1 stop20h 05m

Edinburgh Turnhouse

Sun 19/10

09:00-15:02

1 stop11h 02m

£547

LondonLondon

YXU - STN

YXUSTN

London

Sat 11/10

15:40-13:40

2 stops17h 00m

London Stansted

Sat 18/10

06:35-15:02

2 stops13h 27m

£553

LondonEdinburgh

YXU - EDI

YXUEDI

London

Sun 12/10

15:40-07:20

1 stop10h 40m

Edinburgh Turnhouse

Sun 19/10

19:20-21:27

2 stops31h 07m

£555

LondonManchester

YXU - MAN

YXUMAN

London

Sat 11/10

15:40-11:25

2 stops14h 45m

Manchester

Sat 18/10

07:35-15:02

2 stops12h 27m

£572

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 41 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, November is the cheapest month in which you can book a flight from London, Ontario (average of £323). Flying from London, Ontario in July will prove the most costly (average of £489). 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 (196 flights per day), Calgary (10 flights per day) and Vancouver (3 flights per day).

Toronto
Toronto
From £349

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 £258. Explore other affordable destinations below.

Toronto
Toronto
From £349

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.
Direct flights from Ottawa
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Direct flights from Timmins

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 29 August 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, Grande Prairie. 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 £258 to Toronto Pearson Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £613 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 £913
    London to Toronto Pearson Intl Airport from £1,015

  • 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 £1,658 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 November; 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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