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Cheap flights from London City Airport to Ontario from £449

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — ONT
19 May — 26 May1
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 19 April 2026.

Tue 26/517:00
LCY
-
ONT
2 stops34h 56m
British Airways
Tue 2/605:44
ONT
-
LCY
2 stops21h 46m
British Airways
Deal found 16/4£572
Tue 26/517:00
LCY
-
ONT
2 stops34h 56m
British Airways
Sun 31/505:44
ONT
-
LCY
2 stops21h 46m
British Airways
Deal found 16/4£603
Wed 27/517:00
LCY
-
ONT
2 stops34h 56m
British Airways
Sat 30/523:59
ONT
-
LCY
2 stops27h 31m
British Airways
Deal found 16/4£632
Wed 3/610:00
LCY
-
ONT
2 stops20h 32m
Delta
Wed 10/617:24
ONT
-
LCY
2 stops15h 16m
Delta
Deal found 19/4£691
Mon 15/609:20
LCY
-
ONT
2 stops21h 21m
Delta
Mon 22/613:00
ONT
-
LCY
2 stops19h 40m
Delta
Deal found 17/4£703
Sun 24/519:00
LCY
-
ONT
2 stops35h 38m
British Airways
Tue 2/605:44
ONT
-
LCY
2 stops23h 56m
British Airways
Deal found 16/4£734
Tue 13/1008:10
LCY
-
ONT
2 stops20h 58m
Iberia
Tue 3/1110:47
ONT
-
LCY
2 stops19h 18m
Iberia
Deal found 14/4£736
Thu 15/1008:00
LCY
-
ONT
2 stops21h 08m
Iberia
Thu 5/1107:00
ONT
-
LCY
2 stops17h 50m
Iberia
Deal found 16/4£759
Wed 13/509:35
LCY
-
ONT
2 stops22h 11m
Iberia
Wed 3/610:22
ONT
-
LCY
2 stops20h 53m
Iberia
Deal found 15/4£839
Thu 14/509:35
LCY
-
ONT
2 stops22h 11m
Iberia
Thu 4/610:22
ONT
-
LCY
2 stops20h 53m
Iberia
Deal found 16/4£894
Wed 22/409:35
LCY
-
ONT
2 stops22h 11m
Iberia
Mon 27/410:59
ONT
-
LCY
2 stops20h 16m
Iberia
Deal found 18/4£943
Sun 19/413:20
LCY
-
ONT
2 stops41h 16m
Iberia
Mon 27/410:59
ONT
-
LCY
2 stops20h 16m
Iberia
Deal found 18/4£948

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 19 April 2026.

Round-trip from

£572

One-way from

£449

Popular in

December

Cheapest in

September

Average price

£475
British Airways
  • British Airways
  • 26/5-2/6
  • 4 total stops
  • 56h 42m total
  • London to Ontario
Search Deals
Iberia
  • Iberia
  • 29/9
  • 2 total stops
  • 21h 31m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£19 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 19 April 2026.
Use the filters below to find and compare flights from London City Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonOntario

LCY - ONT

LCYONT

London City

Tue 26/5

17:00-19:56

2 stops34h 56m

Ontario

Sat 30/5

23:59-11:30

2 stops27h 31m

£603

LondonOntario

LCY - ONT

LCYONT

London City

Wed 27/5

17:00-19:56

2 stops34h 56m

Ontario

Tue 2/6

05:44-11:30

2 stops21h 46m

£603
Fastest return journey

LondonOntario

LCY - ONT

LCYONT

London City

Wed 3/6

10:00-22:32

2 stops20h 32m

Ontario

Wed 10/6

17:24-16:40

2 stops15h 16m

£691

LondonOntario

LCY - ONT

LCYONT

London City

Mon 15/6

09:20-22:41

2 stops21h 21m

Ontario

Mon 22/6

13:00-16:40

2 stops19h 40m

£703

LondonOntario

LCY - ONT

LCYONT

London City

Sun 24/5

19:00-22:38

2 stops35h 38m

Ontario

Tue 2/6

05:44-13:40

2 stops23h 56m

£734

LondonOntario

LCY - ONT

LCYONT

London City

Tue 13/10

08:10-21:08

2 stops20h 58m

Ontario

Tue 3/11

10:47-14:05

2 stops19h 18m

£736

LondonOntario

LCY - ONT

LCYONT

London City

Wed 13/5

09:35-23:46

2 stops22h 11m

Ontario

Wed 3/6

10:22-15:15

2 stops20h 53m

£839

LondonOntario

LCY - ONT

LCYONT

London City

Fri 29/5

09:20-22:34

2 stops21h 14m

Ontario

Fri 5/6

06:45-09:30

2 stops18h 45m

£1,011

LondonOntario

LCY - ONT

LCYONT

London City

Wed 1/7

09:35-23:59

2 stops22h 24m

Ontario

Sun 12/7

10:25-15:15

2 stops20h 50m

£1,060

LondonOntario

LCY - ONT

LCYONT

London City

Thu 16/7

09:35-23:59

2 stops22h 24m

Ontario

Thu 6/8

10:25-14:25

2 stops20h 00m

£1,268

Flights are sorted by cheapest return flights first.

Deals found on 18/4

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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?

    British Airways and Delta can get you from London City Airport to Ontario in just under 20h 32m. Your travel time can differ by up to 14h 24m. 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

Browse thousands of different options on Cheapflights for your next trip

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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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