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£304+ 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 4/5. 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
30 Apr — 7 May1
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 25 April 2025.

Cheapest airline

Air Canada

Good round-trip deal

£459 or less
On average, Air Canada currently has the cheapest one-way flight from London (avg. price of £358).
Search Deals
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 25 April 2025.

Mon 9/615:35YXU - LHR
2 stops13h 35mUnited Airlines
Mon 16/611:05LHR - YXU
2 stops27h 13mUnited Airlines
Deal found 25/4£507
Mon 9/609:55YXU - EDI
2 stops17h 30mUnited Airlines
Mon 16/612:30EDI - YXU
2 stops13h 58mUnited Airlines
Deal found 25/4£537
Fri 6/615:35YXU - EDI
1 stop10h 45mAir Canada
Fri 13/609:00EDI - YXU
1 stop17h 28mAir Canada
Deal found 24/4£576
Mon 9/609:55YXU - LHR
1 stop17h 40mAir Canada
Mon 16/608:40LHR - YXU
2 stops17h 48mAir Canada
Deal found 25/4£590
Mon 9/615:35YXU - LGW
2 stops12h 50mMultiple Airlines
Mon 16/621:20LGW - YXU
2 stops36h 54mMultiple Airlines
Deal found 25/4£594
Mon 9/615:35YXU - EDI
1 stop10h 45mLufthansa
Mon 16/609:00EDI - YXU
1 stop10h 58mLufthansa
Deal found 25/4£595
Fri 6/615:35YXU - EDI
1 stop10h 45mMultiple Airlines
Fri 13/605:55EDI - YXU
2 stops14h 03mMultiple Airlines
Deal found 24/4£599
Thu 22/515:45YXU - LHR
1 stop11h 50mMultiple Airlines
Thu 29/514:05LHR - YXU
2 stops12h 23mMultiple Airlines
Deal found 24/4£637
Sun 8/606:15YXU - GLA
1 stop19h 35mMultiple Airlines
Sun 15/608:35GLA - YXU
1 stop11h 23mMultiple Airlines
Deal found 24/4£674
Sat 7/606:15YXU - MAN
2 stops25h 10mMultiple Airlines
Sat 14/616:00MAN - YXU
2 stops42h 14mMultiple Airlines
Deal found 25/4£676
Sat 7/606:00YXU - STN
2 stops34h 15mMultiple Airlines
Sat 14/616:30STN - YXU
2 stops41h 44mMultiple Airlines
Deal found 24/4£679
Sun 8/609:55YXU - MAN
2 stops17h 30mLufthansa
Sun 15/606:05MAN - YXU
2 stops37h 53mLufthansa
Deal found 24/4£739

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 April 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

Mon 9/6

09:55-08:20

2 stops17h 25m

London Heathrow

Mon 16/6

14:10-09:18

2 stops24h 08m

£507

LondonEdinburgh

YXU - EDI

YXUEDI

London

Mon 9/6

09:55-08:25

2 stops17h 30m

Edinburgh Turnhouse

Mon 16/6

12:30-21:28

2 stops13h 58m

£537

LondonEdinburgh

YXU - EDI

YXUEDI

London

Fri 6/6

15:35-07:20

1 stop10h 45m

Edinburgh Turnhouse

Fri 13/6

09:00-21:28

1 stop17h 28m

£576

LondonLondon

YXU - LHR

YXULHR

London

Mon 9/6

09:55-08:35

1 stop17h 40m

London Heathrow

Mon 16/6

08:40-21:28

2 stops17h 48m

£590

LondonLondon

YXU - LGW

YXULGW

London

Mon 9/6

15:35-09:25

2 stops12h 50m

London Gatwick

Mon 16/6

21:20-05:14

2 stops36h 54m

£594

LondonEdinburgh

YXU - EDI

YXUEDI

London

Mon 9/6

15:35-07:20

1 stop10h 45m

Edinburgh Turnhouse

Mon 16/6

09:00-14:58

1 stop10h 58m

£595

LondonEdinburgh

YXU - EDI

YXUEDI

London

Fri 6/6

15:35-07:20

1 stop10h 45m

Edinburgh Turnhouse

Fri 13/6

05:55-14:58

2 stops14h 03m

£599

LondonLondon

YXU - LHR

YXULHR

London

Thu 22/5

15:45-08:35

1 stop11h 50m

London Heathrow

Thu 29/5

14:05-21:28

2 stops12h 23m

£637

LondonGlasgow

YXU - GLA

YXUGLA

London

Sun 8/6

06:15-06:50

1 stop19h 35m

Glasgow Intl

Sun 15/6

08:35-14:58

1 stop11h 23m

£674

LondonManchester

YXU - MAN

YXUMAN

London

Sat 7/6

06:15-12:25

2 stops25h 10m

Manchester

Sat 14/6

16:00-05:14

2 stops42h 14m

£676

Flights are sorted by cheapest return flights first.

Deals found on 24/4

Showing 1-10 of 38 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 £307). Flying from London, Ontario in July will prove the most costly (average of £452). 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 £287. Explore other affordable destinations below.

Toronto

Toronto

From £382

Airline reviews for flights from London

Get insights into the airlines that provide service from London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from London. In the last 7 days, Cheapflights users made a total of 858,174 searches.
SWISS
7.5
Good
1,582 reviews
Check prices

Boarding

7.6

Crew

8.2

Comfort

7.4

Food

7.0

Overall

7.5

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
SWISS
7.5
Good
1,582 reviews
SWISS
7.5
Good
1,582 reviews
Check prices

Boarding

7.6

Crew

8.2

Comfort

7.4

Food

7.0

Overall

7.5

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
United Airlines
7.4
Good
8,685 reviews
SWISS
7.5
Good
1,582 reviews
Check prices

Boarding

7.6

Crew

8.2

Comfort

7.4

Food

7.0

Overall

7.5

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
WestJet
7.2
Good
2,818 reviews
SWISS
7.5
Good
1,582 reviews
Check prices

Boarding

7.6

Crew

8.2

Comfort

7.4

Food

7.0

Overall

7.5

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Air Canada
7.0
Good
9,207 reviews
SWISS
7.5
Good
1,582 reviews
Check prices

Boarding

7.6

Crew

8.2

Comfort

7.4

Food

7.0

Overall

7.5

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Lufthansa
6.7
Okay
7,030 reviews
SWISS
7.5
Good
1,582 reviews
Check prices

Boarding

7.6

Crew

8.2

Comfort

7.4

Food

7.0

Overall

7.5

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

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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 25 April 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 £287 to Toronto Pearson Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for £611 to fly from London, Ontario.

  • What are the cheapest airlines flying from London, Ontario to anywhere?

    Over the past few days, we've found that WestJet, Air Canada, and United Airlines have the cheapest prices from London, Ontario. WestJet flights from London, Ontario to Los Angeles (£97), Air Canada flights from London, Ontario to Bridgetown Grantley Adams Intl (£198), and United Airlines flights from London, Ontario to Auckland Intl (£292).

  • 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 £927
    London to Toronto Pearson Intl Airport from £1,030

  • 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 £1,684 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

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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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