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London City

$409+ Cheap flights from Ontario (ONT) to London City (LCY)

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LCY
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Ontario to London City

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to London City (LCY). 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 September 17, 2025.

Round-trip from

$653
(Delta)

One-way from

$409
(Iberia)

Popular in

December

Cheapest in

September

Average price

$604
From Ontario to London City
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One-way flight from Ontario to London City
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Highest demand for flights based on searches. 12% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to London City

Cheapest flights from Ontario to London City
Explore the most affordable flight options available from Ontario to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Delta deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:05 amONT - LCY
2 stops16h 10mDelta
Wed 10/2210:00 amLCY - ONT
2 stops21h 39mDelta
Deal found 9/17$653
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:00 amONT - LCY
2 stops21h 50mMultiple Airlines
Tue 12/99:50 amLCY - ONT
2 stops20h 59mMultiple Airlines
Deal found 9/14$714
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/307:00 amONT - LCY
2 stops27h 05mMultiple Airlines
Thu 11/69:40 amLCY - ONT
2 stops21h 11mMultiple Airlines
Deal found 9/15$749
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/101:50 pmONT - LCY
2 stops18h 50mMultiple Airlines
Wed 12/179:50 amLCY - ONT
2 stops20h 59mMultiple Airlines
Deal found 9/16$756
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:02 amONT - LCY
2 stops21h 28mMultiple Airlines
Thu 10/168:45 amLCY - ONT
2 stops22h 07mMultiple Airlines
Deal found 9/17$865
This Iberia deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1010:47 amONT - LCY
2 stops19h 18mIberia
Thu 12/187:50 amLCY - ONT
2 stops23h 56mIberia
Deal found 9/15$1,033
This Iberia deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:47 amONT - LCY
2 stops19h 48mIberia
Mon 12/157:15 pmLCY - ONT
2 stops22h 39mIberia
Deal found 9/16$1,034
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:00 amONT - LCY
2 stops22h 40mMultiple Airlines
Sat 11/812:20 pmLCY - ONT
2 stops42h 11mMultiple Airlines
Deal found 9/16$1,143

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to London City 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 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Ontario to London City Airport that are best for you.

Fly from

Ontario

Fly to

London City

Route

Depart

Return

Price

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Wed 10/8

7:05 am-7:15 am

2 stops16h 10m

London City

Wed 10/22

10:00 am-11:39 pm

2 stops21h 39m

$653

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Mon 12/1

7:00 am-12:50 pm

2 stops21h 50m

London City

Tue 12/9

9:50 am-10:49 pm

2 stops20h 59m

$714

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Thu 10/30

7:00 am-5:05 pm

2 stops27h 05m

London City

Thu 11/6

9:40 am-10:51 pm

2 stops21h 11m

$749

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Mon 12/1

7:00 am-12:50 pm

2 stops21h 50m

London City

Tue 12/16

9:50 am-10:49 pm

2 stops20h 59m

$749

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Wed 12/10

1:50 pm-4:40 pm

2 stops18h 50m

London City

Wed 12/17

9:50 am-10:49 pm

2 stops20h 59m

$756

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Wed 3/4

11:05 am-2:05 pm

2 stops19h 00m

London City

Thu 3/19

7:50 am-10:02 pm

2 stops21h 12m

$800

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Thu 10/2

7:02 am-12:30 pm

2 stops21h 28m

London City

Thu 10/16

8:45 am-10:52 pm

2 stops22h 07m

$865

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Wed 12/10

10:47 am-2:05 pm

2 stops19h 18m

London City

Thu 12/18

7:50 am-11:46 pm

2 stops23h 56m

$1,033

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Mon 12/8

10:47 am-2:35 pm

2 stops19h 48m

London City

Mon 12/15

7:15 pm-9:54 am

2 stops22h 39m

$1,034

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Sat 11/1

7:00 am-12:40 pm

2 stops22h 40m

London City

Sat 11/8

12:20 pm-10:31 pm

2 stops42h 11m

$1,143

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 17 results
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Best time to book a flight from Ontario to London City

Have a flexible travel schedule? Discover the best time to fly to London City from Ontario with our price prediction graph.
Estimated round-trip 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 Ontario to London City Airport

What is the cheapest month to book a flight from Ontario to London City Airport?

Currently, April is the cheapest month in which you can book a flight from Ontario to London City Airport (average of $686). Flying from Ontario to London City Airport in July is currently the most expensive (average of $1,046). 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 Ontario to London City. 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 from for flights from Ontario to London City?

    For a flight from Ontario to London City, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 outbound flights to London City per day. 0 airlines have flights to London City from Ontario on a regular basis.

  • How long is the flight from Ontario to London City Airport?

    For as low as $653, Delta can have you in London City Airport from Ontario in 16h 10m. Ontario and London City Airport are separated by a distance of 5422 mi.

  • Can I find deals for flights from Ontario to London City that include hotel bookings?

    Yes. In addition to deals on Ontario to London City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to London City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to London City.

  • Can I find deals for business class flights from Ontario to London City?

    Yes. Cheapflights offers flight deals from Ontario to London City 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 Ontario to London City Airport?

    Currently, April is the cheapest month in which you can book a flight from Ontario to London City Airport (average of $686). Flying from Ontario to London City Airport in July is currently the most expensive (average of $1,046). 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

Traveling to a place near London City Airport?

Book flights to London City Airport if you plan to visit one of these locations
Hounslow
Hayes
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Wembley
Folkestone
Chichester
Eastbourne
Sutton

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