Find flights
When to book
FAQs

Cheap flights from London City Airport to Ontario from £387

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — ONT
23 Nov — 30 Nov1
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 24 October 2025.

Wed 19/1109:50LCY - ONT
2 stops21h 01mMultiple Airlines
Wed 26/1106:00ONT - LCY
2 stops26h 40mMultiple Airlines
Deal found 22/10£503
Fri 26/1218:55LCY - ONT
2 stops29h 17mKLM
Mon 5/106:00ONT - LCY
2 stops26h 35mKLM
Deal found 22/10£559
Mon 10/1117:00LCY - ONT
2 stops37h 29mBritish Airways
Thu 20/1107:00ONT - LCY
2 stops21h 35mBritish Airways
Deal found 23/10£623
Thu 13/1114:45LCY - ONT
2 stops39h 44mBritish Airways
Thu 20/1107:00ONT - LCY
2 stops21h 35mBritish Airways
Deal found 22/10£655
Mon 15/1209:50LCY - ONT
2 stops34h 27mMultiple Airlines
Mon 29/1210:42ONT - LCY
2 stops22h 58mMultiple Airlines
Deal found 23/10£669
Thu 30/1014:45LCY - ONT
2 stops35h 08mBritish Airways
Sun 2/1123:59ONT - LCY
2 stops26h 51mBritish Airways
Deal found 23/10£772
Mon 15/1219:15LCY - ONT
2 stops22h 39mIberia
Mon 29/1210:50ONT - LCY
2 stops19h 45mIberia
Deal found 23/10£795
Mon 15/1219:15LCY - ONT
2 stops31h 02mBritish Airways
Mon 12/123:59ONT - LCY
2 stops24h 51mBritish Airways
Deal found 23/10£811
Tue 23/1218:15LCY - ONT
2 stops34h 52mMultiple Airlines
Mon 29/1205:05ONT - LCY
3 stops20h 10mMultiple Airlines
Deal found 22/10£815
Tue 25/1117:50LCY - ONT
2 stops37h 05mVirgin Atlantic
Wed 3/1207:05ONT - LCY
2 stops17h 45mVirgin Atlantic
Deal found 23/10£841
Tue 28/1017:00LCY - ONT
2 stops36h 42mBritish Airways
Wed 19/1106:10ONT - LCY
2 stops22h 25mBritish Airways
Deal found 23/10£850
Wed 29/1014:45LCY - ONT
2 stops35h 08mBritish Airways
Sun 2/1123:59ONT - LCY
2 stops26h 51mBritish Airways
Deal found 23/10£886

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 24 October 2025.

Round-trip from

£474

One-way from

£387

Popular in

December

Cheapest in

September

Average price

£485
Delta
  • Delta
  • 13/4-6/5
  • 4 total stops
  • 59h 34m total
  • London to Ontario
Search Deals
Virgin Atlantic
  • Virgin Atlantic
  • 9/12
  • 2 total stops
  • 34h 42m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 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 24 October 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

Mon 13/4

09:20-11:14

2 stops33h 54m

Ontario

Tue 5/5

18:00-09:30

2 stops55h 30m

£474

LondonOntario

LCY - ONT

LCYONT

London City

Thu 16/4

07:45-22:40

2 stops22h 55m

Ontario

Wed 6/5

11:55-16:40

2 stops20h 45m

£474

LondonOntario

LCY - ONT

LCYONT

London City

Mon 13/4

09:20-11:14

2 stops33h 54m

Ontario

Wed 6/5

07:00-16:40

2 stops25h 40m

£474

LondonOntario

LCY - ONT

LCYONT

London City

Wed 15/4

08:40-22:40

2 stops22h 00m

Ontario

Tue 5/5

18:00-16:40

2 stops38h 40m

£474

LondonOntario

LCY - ONT

LCYONT

London City

Fri 17/4

10:00-22:40

2 stops20h 40m

Ontario

Wed 6/5

07:00-16:40

2 stops25h 40m

£474

LondonOntario

LCY - ONT

LCYONT

London City

Wed 15/4

10:00-22:40

2 stops20h 40m

Ontario

Wed 6/5

11:55-07:15

2 stops35h 20m

£474

LondonOntario

LCY - ONT

LCYONT

London City

Thu 16/4

08:40-22:40

2 stops22h 00m

Ontario

Tue 5/5

18:00-16:40

2 stops38h 40m

£474

LondonOntario

LCY - ONT

LCYONT

London City

Wed 19/11

09:50-22:51

2 stops21h 01m

Ontario

Wed 26/11

06:00-16:40

2 stops26h 40m

£503

LondonOntario

LCY - ONT

LCYONT

London City

Sun 1/3

19:20-20:50

3 stops33h 30m

Ontario

Sun 8/3

13:49-16:40

2 stops19h 51m

£562

LondonOntario

LCY - ONT

LCYONT

London City

Thu 13/11

14:45-22:29

2 stops39h 44m

Ontario

Thu 20/11

07:00-12:35

2 stops21h 35m

£655

Flights are sorted by cheapest return flights first.

Deals found on 23/10

Showing 1-10 of 21 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 £372). Flying from London City Airport to Ontario in December is currently the most expensive (average of £865). 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 can get you from London City Airport to Ontario in just under 33h 54m. Your travel time can differ by up to . The distance between London City Airport and Ontario is about 5422 mi.

  • 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 £387 on Virgin Atlantic. Other airlines that offer cheap prices include Iberia from £405 and Delta from £406 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 £372). Flying from London City Airport to Ontario in December is currently the most expensive (average of £865). 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.
Heathrow to Los Angeles flights
Heathrow to San Francisco flights
Gatwick to Los Angeles flights
Heathrow to Las Vegas flights
Stansted to Los Angeles flights
London City to Los Angeles flights
Luton to Los Angeles flights
Heathrow to Ontario flights
Heathrow to Santa Ana flights
Gatwick to San Francisco flights
Gatwick to Las Vegas flights
London City to San Francisco flights
Heathrow to San Diego flights
London City to Las Vegas flights
Heathrow to Burbank flights
Heathrow to San Jose flights
Gatwick to Burbank flights
Heathrow to Oakland flights
Stansted to San Francisco flights
Gatwick to San Diego flights
Gatwick to Santa Ana flights
Gatwick to Oakland flights
Stansted to Las Vegas flights
Gatwick to San Jose flights
London City to San Diego flights
Luton to San Francisco flights
Heathrow to Long Beach flights
Luton to Las Vegas flights
Gatwick to Ontario flights
Stansted to San Diego flights
Heathrow to Fresno flights
London City to Burbank flights
Heathrow to Palm Springs flights
London City to Oakland flights
London City to Santa Ana flights
Heathrow to Sacramento flights
Southend to Los Angeles flights
Heathrow to Santa Rosa flights
Gatwick to Palm Springs flights
Heathrow to Reno flights
London City to San Jose flights
London City to Palm Springs flights
Heathrow to Santa Barbara flights
Southend to San Francisco flights
Southend to Las Vegas flights
Gatwick to Sacramento flights
Heathrow to Medford flights
Gatwick to Reno flights

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.