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Cheap flights from London City Airport to Ontario from £453

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 29/8. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — ONT
5 May — 12 May1
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 30 April 2025.

Round-trip from

£550

One-way from

£453

Popular in

August

Cheapest in

February

Average price

£475
27/5-3/6
  • 27/5-3/6
  • 4 total stops
  • 44h 30m total
  • London to Ontario
Search Deals
Lufthansa
  • Lufthansa
  • 29/8
  • 2 total stops
  • 20h 30m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£41 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 April 2025
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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 30 April 2025.

Tue 27/508:45LCY - ONT
3 stops21h 41mMultiple Airlines
Tue 3/606:00ONT - LCY
2 stops22h 30mMultiple Airlines
Deal found 29/4£550
Wed 25/608:40LCY - ONT
2 stops23h 06mVirgin Atlantic
Mon 30/613:15ONT - LCY
2 stops20h 05mVirgin Atlantic
Deal found 29/4£573
Thu 8/510:00LCY - ONT
2 stops20h 29mDelta
Wed 21/513:10ONT - LCY
2 stops19h 30mDelta
Deal found 29/4£575
Tue 1/719:00LCY - ONT
2 stops32h 01mBritish Airways
Mon 21/708:15ONT - LCY
2 stops26h 10mBritish Airways
Deal found 30/4£620

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 30 April 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

Tue 27/5

08:45-22:26

3 stops21h 41m

Ontario

Tue 3/6

06:00-12:30

2 stops22h 30m

£550

LondonOntario

LCY - ONT

LCYONT

London City

Wed 25/6

08:40-23:46

2 stops23h 06m

Ontario

Mon 30/6

13:15-17:20

2 stops20h 05m

£573

LondonOntario

LCY - ONT

LCYONT

London City

Tue 1/7

19:00-19:01

2 stops32h 01m

Ontario

Mon 21/7

08:15-18:25

2 stops26h 10m

£620

LondonOntario

LCY - ONT

LCYONT

London City

Fri 13/6

09:20-22:46

2 stops21h 26m

Ontario

Fri 20/6

07:05-08:10

2 stops17h 05m

£788

LondonOntario

LCY - ONT

LCYONT

London City

Fri 29/8

08:55-21:25

2 stops20h 30m

£453

LondonOntario

LCY - ONT

LCYONT

London City

Mon 1/9

07:45-22:29

2 stops22h 44m

£645

LondonOntario

LCY - ONT

LCYONT

London City

Thu 4/9

10:00-22:41

2 stops20h 41m

£669

LondonOntario

LCY - ONT

LCYONT

London City

Thu 28/8

09:05-18:25

2 stops17h 20m

£686

Flights are sorted by cheapest return flights first.

Deals found on 30/4

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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 inches per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

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 30 April 2025.
Delta
8.0
Very Good
7,936 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

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
Delta
8.0
Very Good
7,936 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

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
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

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
Lufthansa
6.7
Okay
7,046 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

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
British Airways
6.6
Okay
6,837 reviews
Delta
8.0
Very Good
7,936 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

Comfort

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 £453 on Lufthansa. Other airlines that offer cheap prices include Delta from £645 and Virgin Atlantic from £669 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.
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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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