Cheap flights from London City Airport to Ontario from £316

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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — ONT
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Find 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 27 November 2025.

Thu 11/1207:50LCY - ONT
2 stops22h 29mBritish Airways
Fri 9/123:59ONT - LCY
2 stops48h 51mBritish Airways
Deal found 26/11£593
Thu 11/1207:50LCY - ONT
2 stops24h 05mIberia
Thu 8/107:16ONT - LCY
2 stops17h 34mIberia
Deal found 26/11£709
Thu 11/1207:50LCY - ONT
2 stops24h 05mIberia
Wed 7/110:58ONT - LCY
2 stops37h 52mIberia
Deal found 26/11£714
Wed 10/1207:50LCY - ONT
2 stops36h 03mIberia
Thu 8/107:16ONT - LCY
2 stops17h 34mIberia
Deal found 26/11£717
Wed 10/1207:50LCY - ONT
2 stops36h 03mIberia
Sat 10/110:58ONT - LCY
2 stops37h 52mIberia
Deal found 26/11£722
Wed 10/1207:50LCY - ONT
2 stops36h 03mIberia
Wed 7/110:58ONT - LCY
2 stops37h 52mIberia
Deal found 26/11£723
Wed 31/1219:15LCY - ONT
2 stops34h 59mBritish Airways
Sat 24/115:09ONT - LCY
2 stops39h 26mBritish Airways
Deal found 24/11£774
Thu 11/1207:50LCY - ONT
2 stops24h 05mIberia
Mon 5/110:50ONT - LCY
2 stops38h 00mIberia
Deal found 26/11£1,036
Wed 10/1207:50LCY - ONT
2 stops36h 03mIberia
Mon 5/110:50ONT - LCY
2 stops38h 00mIberia
Deal found 26/11£1,044
Fri 12/1207:50LCY - ONT
2 stops22h 38mIberia
Tue 6/110:58ONT - LCY
2 stops37h 52mIberia
Deal found 26/11£1,071
Mon 1/1219:15LCY - ONT
2 stops35h 24mBritish Airways
Tue 23/1207:10ONT - LCY
2 stops27h 20mBritish Airways
Deal found 26/11£1,079
Wed 10/1219:15LCY - ONT
2 stops35h 04mBritish Airways
Sun 28/1210:50ONT - LCY
2 stops19h 45mBritish Airways
Deal found 24/11£1,176

Cheap 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 27 November 2025.

Round-trip from

£533

One-way from

£316

Popular in

December

Cheapest in

September

Average price

£482
Virgin Atlantic
  • Virgin Atlantic
  • 18/2-22/2
  • 4 total stops
  • 62h 37m total
  • London to Ontario
British Airways
  • British Airways
  • 21/1
  • 2 total stops
  • 22h 58m total
  • London to Ontario
Highest demand for flights based on searches. 6% potential increase in price (£24 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in November 2025

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 27 November 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 18/2

20:05-22:37

2 stops34h 32m

Ontario

Sun 22/2

07:30-19:35

2 stops28h 05m

£533

LondonOntario

LCY - ONT

LCYONT

London City

Thu 11/12

07:50-22:19

2 stops22h 29m

Ontario

Fri 9/1

23:59-08:50

2 stops48h 51m

£593

LondonOntario

LCY - ONT

LCYONT

London City

Thu 11/12

07:50-22:19

2 stops22h 29m

Ontario

Sat 10/1

15:09-08:50

2 stops57h 41m

£593

LondonOntario

LCY - ONT

LCYONT

London City

Sat 24/1

08:40-21:05

2 stops20h 25m

Ontario

Mon 26/1

12:41-16:35

2 stops19h 54m

£608

LondonOntario

LCY - ONT

LCYONT

London City

Sun 1/2

19:15-22:48

2 stops35h 33m

Ontario

Sat 7/2

15:09-14:35

2 stops39h 26m

£680

LondonOntario

LCY - ONT

LCYONT

London City

Thu 11/12

07:50-23:55

2 stops24h 05m

Ontario

Thu 8/1

07:16-08:50

2 stops17h 34m

£709

LondonOntario

LCY - ONT

LCYONT

London City

Wed 10/12

07:50-11:53

2 stops36h 03m

Ontario

Thu 8/1

07:16-08:50

2 stops17h 34m

£717

LondonOntario

LCY - ONT

LCYONT

London City

Wed 10/12

07:50-11:53

2 stops36h 03m

Ontario

Sat 10/1

10:58-08:50

2 stops37h 52m

£722

LondonOntario

LCY - ONT

LCYONT

London City

Wed 31/12

19:15-22:14

2 stops34h 59m

Ontario

Sat 24/1

15:09-14:35

2 stops39h 26m

£774

LondonOntario

LCY - ONT

LCYONT

London City

Mon 12/1

10:00-21:05

2 stops19h 05m

Ontario

Sun 25/1

12:41-16:35

2 stops19h 54m

£783

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Showing 1-10 of 22 results
1
2
3

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 £376). Flying from London City Airport to Ontario in December is currently the most expensive (average of £874). 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?

    Virgin Atlantic, British Airways, and Delta can get you from London City Airport to Ontario in just under 20h 25m. Your travel time can differ by up to 14h 07m. 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.

  • What are the cheapest airlines to fly from London City Airport to Ontario one-way?

    One-way options have recently been found by users for as low as £336 on Iberia. Other airlines that offer cheap prices include British Airways from £355 and Delta from £665 one-way.

  • 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 £376). Flying from London City Airport to Ontario in December is currently the most expensive (average of £874). 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

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.

Alternative routes for London City to Ontario

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

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.

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.