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London City

$425+ 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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LCY
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 11, 2025.

Round-trip from

$660
(Delta)

One-way from

$425
(United)

Popular in

December

Cheapest in

August

Average price

$622
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. 11% potential increase in price ($92 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 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 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 10/147:02 amONT - LCY
2 stops21h 28mMultiple Airlines
Wed 10/229:25 amLCY - ONT
2 stops21h 27mMultiple Airlines
Deal found 9/10$707
This United Airlines deal was found by Cheapflights users on 9/10. 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 10/227:02 amONT - LCY
2 stops21h 28mMultiple Airlines
Wed 10/299:50 amLCY - ONT
2 stops20h 01mMultiple Airlines
Deal found 9/10$714
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Fri 10/247:02 amONT - LCY
2 stops20h 38mMultiple Airlines
Fri 10/319:55 amLCY - ONT
2 stops19h 56mMultiple Airlines
Deal found 9/9$749
This United Airlines deal was found by Cheapflights users on 9/10. 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
Mon 12/155:15 pmLCY - ONT
2 stops37h 34mMultiple Airlines
Deal found 9/10$768
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/317:00 amONT - LCY
2 stops21h 40mMultiple Airlines
Mon 11/177:10 pmLCY - ONT
2 stops31h 26mMultiple Airlines
Deal found 9/10$807
This Iberia deal was found by Cheapflights users on 9/10. 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.
Sun 12/146:30 amONT - LCY
2 stops18h 20mIberia
Wed 12/244:15 pmLCY - ONT
2 stops37h 59mIberia
Deal found 9/10$953
This Iberia deal was found by Cheapflights users on 9/9. 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 12/3110:50 amONT - LCY
2 stops19h 45mIberia
Sun 1/117:15 pmLCY - ONT
2 stops50h 33mIberia
Deal found 9/9$980
This Iberia deal was found by Cheapflights users on 9/10. 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.
Tue 12/1610:47 amONT - LCY
2 stops19h 18mIberia
Wed 12/244:15 pmLCY - ONT
2 stops37h 59mIberia
Deal found 9/10$1,028
This Iberia deal was found by Cheapflights users on 9/10. 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.
Tue 12/96:00 amONT - LCY
2 stops18h 50mIberia
Wed 12/177:50 amLCY - ONT
2 stops22h 38mIberia
Deal found 9/10$1,087

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 11, 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 2/11

1:00 pm-4:35 pm

2 stops19h 35m

London City

Thu 2/26

8:40 am-9:14 pm

2 stops20h 34m

$660

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Tue 10/14

7:02 am-12:30 pm

2 stops21h 28m

London City

Wed 10/22

9:25 am-10:52 pm

2 stops21h 27m

$707

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Wed 10/22

7:02 am-12:30 pm

2 stops21h 28m

London City

Wed 10/29

9:50 am-10:51 pm

2 stops20h 01m

$714

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Fri 10/24

7:02 am-11:40 am

2 stops20h 38m

London City

Fri 10/31

9:55 am-10:51 pm

2 stops19h 56m

$749

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Mon 12/1

7:00 am-12:50 pm

2 stops21h 50m

London City

Mon 12/15

5:15 pm-10:49 pm

2 stops37h 34m

$768

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Fri 10/31

7:00 am-11:40 am

2 stops21h 40m

London City

Mon 11/17

7:10 pm-6:36 pm

2 stops31h 26m

$807

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Sun 12/14

6:30 am-8:50 am

2 stops18h 20m

London City

Wed 12/24

4:15 pm-10:14 pm

2 stops37h 59m

$953

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Wed 12/31

10:50 am-2:35 pm

2 stops19h 45m

London City

Sun 1/11

7:15 pm-1:48 pm

2 stops50h 33m

$980

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Wed 2/11

5:05 am-9:05 am

3 stops20h 00m

London City

Thu 2/26

6:15 pm-8:45 pm

2 stops34h 30m

$1,066

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Mon 2/16

7:00 am-5:05 pm

2 stops26h 05m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 14 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 $660, Delta can have you in London City Airport from Ontario in 19h 35m. 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
Thornton Heath
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Wembley
Folkestone
Chichester
Arundel

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