£173+ 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 6/3. 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
21 Feb — 28 Feb1
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 22 January 2026.

Good round-trip deal

£606 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 22 January 2026.

Wed 18/209:25
YXU
-
LHR
2 stops18h 55m
Multiple Airlines
Wed 25/206:35
LHR
-
YXU
2 stops15h 30m
Multiple Airlines
Deal found 21/1£456
Fri 6/309:25
YXU
-
LHR
1 stop20h 55m
Air Canada
Fri 13/309:00
LHR
-
YXU
2 stops16h 21m
Air Canada
Deal found 20/1£462
Wed 18/209:25
YXU
-
LHR
1 stop18h 05m
Air Canada
Wed 25/209:00
LHR
-
YXU
2 stops17h 21m
Air Canada
Deal found 21/1£464
Sat 7/309:25
YXU
-
LHR
2 stops30h 10m
Air Canada
Sat 14/306:00
LHR
-
YXU
2 stops19h 21m
Air Canada
Deal found 21/1£471
Mon 23/205:10
YXU
-
LHR
1 stop22h 20m
Air Canada
Fri 27/209:00
LHR
-
YXU
2 stops28h 46m
Air Canada
Deal found 19/1£471
Fri 6/317:40
YXU
-
LHR
1 stop9h 50m
Multiple Airlines
Fri 13/313:00
LHR
-
YXU
1 stop12h 21m
Multiple Airlines
Deal found 20/1£482
Sat 7/317:40
YXU
-
LGW
2 stops19h 10m
SWISS
Sat 14/318:40
LGW
-
YXU
2 stops30h 41m
SWISS
Deal found 21/1£496
Sun 8/305:10
YXU
-
LGW
2 stops32h 40m
Multiple Airlines
Sun 15/318:40
LGW
-
YXU
2 stops30h 41m
Multiple Airlines
Deal found 22/1£600
Fri 6/317:40
YXU
-
EDI
2 stops37h 40m
Multiple Airlines
Fri 13/308:10
EDI
-
YXU
2 stops17h 11m
Multiple Airlines
Deal found 20/1£604
Sun 5/405:10
YXU
-
EDI
2 stops24h 25m
United Airlines
Thu 9/412:30
EDI
-
YXU
2 stops13h 48m
United Airlines
Deal found 19/1£612
Fri 6/317:40
YXU
-
GLA
2 stops37h 25m
Multiple Airlines
Fri 13/312:50
GLA
-
YXU
2 stops23h 56m
Multiple Airlines
Deal found 20/1£632
Fri 22/509:30
YXU
-
MAN
2 stops19h 55m
Air Canada
Tue 26/506:05
MAN
-
YXU
2 stops16h 28m
Air Canada
Deal found 21/1£663

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 22 January 2026. 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

Wed 18/2

09:25-09:20

2 stops18h 55m

London Heathrow

Wed 25/2

06:35-17:05

2 stops15h 30m

£456

LondonLondon

YXU - LHR

YXULHR

London

Wed 18/2

09:25-08:30

1 stop18h 05m

London Heathrow

Wed 25/2

09:00-21:21

2 stops17h 21m

£464

LondonLondon

YXU - LHR

YXULHR

London

Fri 6/3

09:25-09:20

2 stops18h 55m

London Heathrow

Fri 13/3

09:00-21:21

2 stops16h 21m

£466

LondonLondon

YXU - LHR

YXULHR

London

Mon 23/2

05:10-08:30

1 stop22h 20m

London Heathrow

Fri 27/2

09:00-08:46

2 stops28h 46m

£471

LondonLondon

YXU - LHR

YXULHR

London

Fri 6/3

17:40-08:30

1 stop9h 50m

London Heathrow

Fri 13/3

13:00-21:21

1 stop12h 21m

£482

LondonLondon

YXU - LGW

YXULGW

London

Sat 7/3

17:40-17:50

2 stops19h 10m

London Gatwick

Sat 14/3

18:40-21:21

2 stops30h 41m

£496

LondonLondon

YXU - LGW

YXULGW

London

Sun 8/3

05:10-17:50

2 stops32h 40m

London Gatwick

Sun 15/3

18:40-21:21

2 stops30h 41m

£600

LondonEdinburgh

YXU - EDI

YXUEDI

London

Fri 6/3

17:40-12:20

2 stops37h 40m

Edinburgh Turnhouse

Fri 13/3

08:10-21:21

2 stops17h 11m

£604

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 stops13h 48m

£612

LondonGlasgow

YXU - GLA

YXUGLA

London

Fri 6/3

17:40-12:05

2 stops37h 25m

Glasgow Intl

Fri 13/3

12:50-08:46

2 stops23h 56m

£632

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 39 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 £358). Flying from London, Ontario in July will prove the most costly (average of £495). 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 (3 flights per day) and Varadero (1 flights per day).

Toronto
Toronto
From £606

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 £606. Explore other affordable destinations below.

Toronto
Toronto
From £606

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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 22 January 2026.

  • 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, Edmonton 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 £606 to Toronto Pearson Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £606 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 £918
    London to Toronto Pearson Intl Airport from £1,021

  • 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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