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Cheap flights from London City Airport to Ontario from £333

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — ONT
29 Jan — 5 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London City to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from London City to Ontario
Explore the most affordable flight options available from London City to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 December 2025.

Tue 30/1219:15LCY - ONT
2 stops50h 37mBritish Airways
Tue 22/906:35ONT - LCY
2 stops25h 55mBritish Airways
Deal found 28/12£819
Tue 30/1210:45LCY - ONT
2 stops39h 31mBritish Airways
Sat 3/123:59ONT - LCY
2 stops26h 51mBritish Airways
Deal found 28/12£1,605
Mon 29/1219:15LCY - ONT
2 stops22h 23mIberia
Tue 6/107:16ONT - LCY
2 stops17h 34mIberia
Deal found 29/12£3,278

Find flight deals from London City to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from London City (LCY) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 December 2025.

Round-trip from

£403

One-way from

£333

Popular in

December

Cheapest in

September

Average price

£585
Delta
  • Delta
  • 11/2-18/2
  • 4 total stops
  • 40h 40m total
  • London to Ontario
Search Deals
British Airways
  • British Airways
  • 18/2
  • 2 total stops
  • 22h 59m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London City to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 30 December 2025.
Use the filters below to find and compare flights from London City Airport to Ontario that are best for you.

Fly from

London City

Fly to

Ontario

Route

Depart

Return

Price

LondonOntario

LCY - ONT

LCYONT

London City

Wed 11/2

07:45-21:05

2 stops21h 20m

Ontario

Wed 18/2

13:15-16:35

2 stops19h 20m

£403

LondonOntario

LCY - ONT

LCYONT

London City

Sun 29/3

13:45-23:50

2 stops18h 05m

Ontario

Sun 5/4

13:20-16:40

2 stops19h 20m

£426

LondonOntario

LCY - ONT

LCYONT

London City

Mon 26/1

19:15-10:08

2 stops22h 53m

Ontario

Mon 16/2

10:59-14:35

2 stops19h 36m

£539

LondonOntario

LCY - ONT

LCYONT

London City

Fri 16/1

07:50-22:48

2 stops22h 58m

Ontario

Sun 1/2

06:00-08:50

2 stops18h 50m

£550

LondonOntario

LCY - ONT

LCYONT

London City

Mon 12/1

09:20-21:05

2 stops19h 45m

Ontario

Mon 26/1

12:41-16:35

2 stops19h 54m

£554

LondonOntario

LCY - ONT

LCYONT

London City

Fri 13/2

20:05-21:44

2 stops33h 39m

Ontario

Fri 20/2

22:20-18:25

2 stops36h 05m

£704

LondonOntario

LCY - ONT

LCYONT

London City

Wed 4/3

07:50-22:49

2 stops22h 59m

Ontario

Wed 11/3

10:56-14:05

2 stops20h 09m

£913

LondonOntario

LCY - ONT

LCYONT

London City

Fri 6/2

07:50-22:48

2 stops22h 58m

Ontario

Tue 10/2

06:00-14:05

2 stops24h 05m

£4,949

LondonOntario

LCY - ONT

LCYONT

London City

Wed 15/4

10:00-22:37

2 stops20h 37m

£377

LondonOntario

LCY - ONT

LCYONT

London City

Mon 13/4

10:00-22:37

2 stops20h 37m

£396

Flights are sorted by cheapest return flights first.

Deals found on 27/12

Showing 1-10 of 18 results
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Best time to book a flight from London City to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from London City 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.

Cheapflights Insights

Everything you need to know about your flight from London City Airport to Ontario

What is the cheapest month to book a flight from London City Airport to Ontario?

Currently, May is the cheapest month in which you can book a flight from London City Airport to Ontario (average of £367). Flying from London City Airport to Ontario in December is currently the most expensive (average of £779). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from London City to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from London City?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Ontario from London City. Booking flights from London City to Ontario (ONT) should be relatively easy as there are 0 daily inbound flights from London City from 0 different airlines.

  • How long is the flight from London City Airport to Ontario?

    Delta and Iberia can get you from London City Airport to Ontario in just under 21h 20m. Your travel time can differ by up to 1h 33m. The distance between London City Airport and Ontario is about 5422 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from London City to Ontario that include hotel bookings?

    Yes. In addition to deals on London City to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London City to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London City to Ontario.

  • Can I find deals for business class flights from London City to Ontario?

    Yes. Cheapflights offers flight deals from London City to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London City Airport to Ontario?

    Currently, May is the cheapest month in which you can book a flight from London City Airport to Ontario (average of £367). Flying from London City Airport to Ontario in December is currently the most expensive (average of £779). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for London City to Ontario

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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 City to Ontario?

Cheapflights helps you search for flights from London City to Ontario 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 City to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London City to Ontario.

Can Cheapflights find flights from London City to Ontario with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London City to Ontario, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from London City to Ontario become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ontario from London City today and book when prices fit your budget.

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