£203+ 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 9/6. 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
24 Feb — 3 Mar1
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 25 January 2026.

Good round-trip deal

£596 or less
Price to beat on a round-trip flight from London.
Search Deals

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 25 January 2026.

Mon 9/309:25
YXU
-
LHR
2 stops17h 45m
Multiple Airlines
Mon 16/309:00
LHR
-
YXU
2 stops16h 21m
Multiple Airlines
Deal found 23/1£445
Mon 9/317:40
YXU
-
LHR
1 stop13h 40m
Air Canada
Mon 16/313:00
LHR
-
YXU
1 stop23h 46m
Air Canada
Deal found 23/1£452
Mon 23/209:25
YXU
-
LHR
2 stops30h 10m
Air Canada
Fri 27/213:45
LHR
-
YXU
2 stops36h 36m
Air Canada
Deal found 22/1£471
Sat 21/209:25
YXU
-
LHR
1 stop21h 25m
Air Canada
Sat 28/209:00
LHR
-
YXU
2 stops17h 21m
Air Canada
Deal found 22/1£484
Sat 21/209:25
YXU
-
LHR
2 stops30h 10m
Lufthansa
Sat 28/207:40
LHR
-
YXU
2 stops18h 41m
Lufthansa
Deal found 22/1£491
Sat 21/209:25
YXU
-
LHR
2 stops15h 30m
United Airlines
Sat 28/212:05
LHR
-
YXU
2 stops14h 16m
United Airlines
Deal found 24/1£536
Mon 23/217:40
YXU
-
LHR
2 stops12h 10m
United Airlines
Fri 27/210:25
LHR
-
YXU
2 stops27h 21m
United Airlines
Deal found 24/1£539
Mon 9/309:25
YXU
-
EDI
2 stops17h 30m
Air Canada
Mon 16/311:30
EDI
-
YXU
2 stops25h 16m
Air Canada
Deal found 23/1£543
Wed 11/317:40
YXU
-
LHR
2 stops11h 40m
Air Canada
Wed 18/309:00
LHR
-
YXU
2 stops16h 21m
Air Canada
Deal found 25/1£544
Mon 9/309:25
YXU
-
EDI
2 stops44h 05m
United Airlines
Mon 16/311:30
EDI
-
YXU
2 stops13h 51m
United Airlines
Deal found 23/1£544
Wed 11/317:40
YXU
-
LHR
1 stop10h 50m
Multiple Airlines
Wed 18/307:40
LHR
-
YXU
2 stops17h 41m
Multiple Airlines
Deal found 25/1£545
Mon 9/309:25
YXU
-
GLA
2 stops22h 25m
Multiple Airlines
Mon 16/313:10
GLA
-
YXU
2 stops31h 55m
Multiple Airlines
Deal found 23/1£556

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 25 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

Mon 9/3

17:40-11:20

1 stop13h 40m

London Heathrow

Mon 16/3

13:00-08:46

1 stop23h 46m

£452

LondonLondon

YXU - LHR

YXULHR

London

Mon 23/2

17:40-11:20

1 stop12h 40m

London Heathrow

Fri 27/2

13:45-21:21

2 stops36h 36m

£471

LondonLondon

YXU - LHR

YXULHR

London

Sat 21/2

09:25-11:50

1 stop21h 25m

London Heathrow

Sat 28/2

09:00-21:21

2 stops17h 21m

£484

LondonLondon

YXU - LHR

YXULHR

London

Sat 21/2

09:25-20:35

2 stops30h 10m

London Heathrow

Sat 28/2

07:40-21:21

2 stops18h 41m

£491

LondonLondon

YXU - LHR

YXULHR

London

Tue 10/3

09:25-05:55

2 stops16h 30m

London Heathrow

Tue 17/3

09:10-21:21

2 stops16h 11m

£536

LondonLondon

YXU - LHR

YXULHR

London

Sat 21/2

05:10-05:55

2 stops19h 45m

London Heathrow

Sat 28/2

07:40-17:05

2 stops38h 25m

£536

LondonLondon

YXU - LHR

YXULHR

London

Mon 23/2

17:40-10:50

2 stops12h 10m

London Heathrow

Fri 27/2

12:00-08:46

2 stops25h 46m

£536

LondonEdinburgh

YXU - EDI

YXUEDI

London

Mon 9/3

09:25-06:55

2 stops17h 30m

Edinburgh Turnhouse

Mon 16/3

11:30-08:46

2 stops25h 16m

£543

LondonEdinburgh

YXU - EDI

YXUEDI

London

Mon 9/3

09:25-09:30

2 stops44h 05m

Edinburgh Turnhouse

Mon 16/3

11:30-21:21

2 stops13h 51m

£544

LondonGlasgow

YXU - GLA

YXUGLA

London

Mon 9/3

09:25-11:50

2 stops22h 25m

Glasgow Intl

Mon 16/3

13:10-17:05

2 stops31h 55m

£556

Flights are sorted by cheapest return flights first.

Deals found on 23/1

Showing 1-10 of 49 results
1
2
3
...
5

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 £352). Flying from London, Ontario in July will prove the most costly (average of £488). 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 (138 flights per day), Calgary (3 flights per day) and Cancún (1 flights per day).

Toronto
Toronto
From £383

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 £383. Explore other affordable destinations below.

Toronto
Toronto
From £383

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights from Canada

Book a direct flight from one of these other cities located in Canada.
Direct flights from Ottawa
Direct flights from Thunder Bay
Direct flights from Sudbury
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 25 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 £383 to Toronto Pearson Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £596 to fly from London, Ontario.

  • 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.