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Cheap flights from London City Airport to Ontario from £354

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 13/5. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — ONT
15 Mar — 22 Mar1
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 13 February 2026.

Thu 19/207:50
LCY
-
ONT
2 stops24h 09m
British Airways
Sun 8/323:58
ONT
-
LCY
2 stops31h 37m
British Airways
Deal found 12/2£470
Thu 19/207:50
LCY
-
ONT
2 stops24h 09m
British Airways
Sat 7/323:58
ONT
-
LCY
2 stops48h 52m
British Airways
Deal found 12/2£477
Thu 19/207:50
LCY
-
ONT
2 stops24h 09m
British Airways
Tue 10/307:00
ONT
-
LCY
2 stops30h 45m
British Airways
Deal found 12/2£480
Thu 19/207:50
LCY
-
ONT
2 stops24h 09m
British Airways
Wed 11/307:00
ONT
-
LCY
2 stops28h 30m
British Airways
Deal found 12/2£495
Wed 29/411:00
LCY
-
ONT
2 stops20h 46m
Iberia
Wed 20/514:08
ONT
-
LCY
2 stops42h 22m
Iberia
Deal found 10/2£568
Tue 28/419:15
LCY
-
ONT
2 stops36h 31m
Iberia
Wed 20/514:08
ONT
-
LCY
2 stops42h 22m
Iberia
Deal found 10/2£577
Thu 19/207:50
LCY
-
ONT
2 stops22h 39m
Iberia
Thu 26/207:00
ONT
-
LCY
2 stops17h 50m
Iberia
Deal found 11/2£587
Thu 19/207:50
LCY
-
ONT
2 stops22h 39m
Iberia
Wed 4/310:56
ONT
-
LCY
2 stops19h 09m
Iberia
Deal found 11/2£588
Wed 1/711:00
LCY
-
ONT
2 stops20h 59m
British Airways
Mon 20/707:20
ONT
-
LCY
2 stops22h 00m
British Airways
Deal found 10/2£597
Sun 7/619:00
LCY
-
ONT
2 stops32h 56m
British Airways
Sun 21/607:00
ONT
-
LCY
2 stops20h 30m
British Airways
Deal found 11/2£604
Tue 30/619:15
LCY
-
ONT
2 stops56h 37m
British Airways
Mon 20/706:00
ONT
-
LCY
2 stops23h 20m
British Airways
Deal found 10/2£637
Wed 11/319:15
LCY
-
ONT
2 stops25h 33m
Iberia
Wed 1/414:39
ONT
-
LCY
2 stops17h 51m
Iberia
Deal found 11/2£725

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 13 February 2026.

Round-trip from

£568

One-way from

£354

Popular in

December

Cheapest in

September

Average price

£390
Iberia
  • Iberia
  • 29/4-20/5
  • 4 total stops
  • 63h 08m total
  • London to Ontario
Search Deals
British Airways
  • British Airways
  • 13/5
  • 2 total stops
  • 20h 46m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£22 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 February 2026
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 13 February 2026.
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 29/4

11:00-23:46

2 stops20h 46m

Ontario

Wed 20/5

14:08-16:30

2 stops42h 22m

£568

LondonOntario

LCY - ONT

LCYONT

London City

Tue 28/4

19:15-23:46

2 stops36h 31m

Ontario

Wed 20/5

14:08-16:30

2 stops42h 22m

£577

LondonOntario

LCY - ONT

LCYONT

London City

Wed 1/7

11:00-23:59

2 stops20h 59m

Ontario

Mon 20/7

07:20-13:20

2 stops22h 00m

£597

LondonOntario

LCY - ONT

LCYONT

London City

Sun 7/6

19:00-19:56

2 stops32h 56m

Ontario

Sun 21/6

07:00-11:30

2 stops20h 30m

£604

LondonOntario

LCY - ONT

LCYONT

London City

Tue 30/6

19:15-19:52

2 stops56h 37m

Ontario

Mon 20/7

06:00-13:20

2 stops23h 20m

£637

LondonOntario

LCY - ONT

LCYONT

London City

Wed 11/3

19:15-13:48

2 stops25h 33m

Ontario

Wed 1/4

14:39-16:30

2 stops17h 51m

£725

LondonOntario

LCY - ONT

LCYONT

London City

Wed 1/7

11:00-19:52

2 stops40h 52m

Ontario

Wed 8/7

14:22-16:30

2 stops18h 08m

£750

LondonOntario

LCY - ONT

LCYONT

London City

Thu 14/5

11:00-23:46

2 stops20h 46m

Ontario

Thu 4/6

12:40-16:30

2 stops19h 50m

£880

LondonOntario

LCY - ONT

LCYONT

London City

Wed 29/7

11:00-09:35

2 stops30h 35m

Ontario

Thu 20/8

06:10-13:40

2 stops23h 30m

£1,047

LondonOntario

LCY - ONT

LCYONT

London City

Thu 30/7

11:00-23:59

2 stops20h 59m

Ontario

Thu 20/8

08:15-19:55

2 stops27h 40m

£1,047

Flights are sorted by cheapest return flights first.

Deals found on 9/2

Showing 1-10 of 23 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.

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?

    Iberia and British Airways can get you from London City Airport to Ontario in just under 20h 46m. Your travel time can differ by up to 13m. 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.

See more FAQs

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Alternative routes for London City to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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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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