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Cheap flights from London City Airport to Ontario from £771

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — ONT
16 Jul — 23 Jul1
1 adult

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 11 July 2025.

Round-trip from

£771

Popular in

August

Cheapest in

February

Average price

£583
Virgin Atlantic
  • Virgin Atlantic
  • 6/9-20/9
  • 4 total stops
  • 42h 52m total
  • London to Ontario
Highest demand for flights based on searches. 9% potential increase in price (£38 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from London City to Ontario

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 11 July 2025.

Sat 6/910:00LCY - ONT
2 stops20h 42mVirgin Atlantic
Sat 20/907:05ONT - LCY
2 stops22h 10mVirgin Atlantic
Deal found 9/7£771
Thu 21/808:45LCY - ONT
3 stops21h 45mMultiple Airlines
Sun 24/807:00ONT - LCY
2 stops21h 30mMultiple Airlines
Deal found 9/7£804
Mon 25/811:25LCY - ONT
2 stops19h 17mDelta
Mon 1/913:15ONT - LCY
2 stops19h 25mDelta
Deal found 10/7£2,054
Sun 13/716:20LCY - ONT
2 stops34h 33mBritish Airways
Tue 15/723:59ONT - LCY
2 stops34h 26mBritish Airways
Deal found 10/7£2,718

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 11 July 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

Sat 6/9

10:00-22:42

2 stops20h 42m

Ontario

Sat 20/9

07:05-13:15

2 stops22h 10m

£771

LondonOntario

LCY - ONT

LCYONT

London City

Thu 21/8

08:45-22:30

3 stops21h 45m

Ontario

Sun 24/8

07:00-12:30

2 stops21h 30m

£804

LondonOntario

LCY - ONT

LCYONT

London City

Mon 25/8

11:25-22:42

2 stops19h 17m

Ontario

Mon 1/9

13:15-16:40

2 stops19h 25m

£2,054

LondonOntario

LCY - ONT

LCYONT

London City

Mon 13/10

14:55-22:42

2 stops39h 47m

£1,142

LondonOntario

LCY - ONT

LCYONT

London City

Tue 30/9

09:20-22:40

2 stops21h 20m

£1,160

LondonOntario

LCY - ONT

LCYONT

London City

Mon 8/9

10:00-22:42

2 stops20h 42m

£1,177

LondonOntario

LCY - ONT

LCYONT

London City

Mon 8/9

08:45-21:25

2 stops20h 40m

£1,197

LondonOntario

LCY - ONT

LCYONT

London City

Sat 11/10

10:00-22:42

2 stops20h 42m

£1,315

LondonOntario

LCY - ONT

LCYONT

London City

Mon 1/9

08:45-20:43

2 stops19h 58m

£1,324

Flights are sorted by cheapest return flights first.

Deals found on 10/7

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, March is the cheapest month in which you can book a flight from London City Airport to Ontario (average of £516). Flying from London City Airport to Ontario in August is currently the most expensive (average of £827). 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.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 11 July 2025.
Read reviews from past customers who have flown with Delta, KLM, andVirgin Atlantic from London City Airport to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Comfort

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 £1,142 on British Airways. Other airlines that offer cheap prices include Virgin Atlantic from £1,160 and Delta from £1,177 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, March is the cheapest month in which you can book a flight from London City Airport to Ontario (average of £516). Flying from London City Airport to Ontario in August is currently the most expensive (average of £827). 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

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

Fly with Cheapflights

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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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