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London City

$454+ 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LCY
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
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 October 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$703
(United Airlines)

One-way from

$454
(oojo)

Popular in

December

Cheapest in

September

Average price

$618
Provider with most accurate pricing for Ontario-London City flight deals.
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Provider most trusted by Cheapflights users for Ontario-London City flights.
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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 ($102 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 October 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 October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. 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 12/26:00 amONT - LCY
2 stops26h 40mMultiple Airlines
Thu 12/119:40 amLCY - ONT
2 stops21h 09mMultiple Airlines
Deal found 10/27$703
This United Airlines deal was found by Cheapflights users on 10/26. 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 11/251:40 pmONT - LCY
2 stops19h 00mMultiple Airlines
Tue 12/25:15 pmLCY - ONT
2 stops37h 34mMultiple Airlines
Deal found 10/26$723
This United Airlines deal was found by Cheapflights users on 10/27. 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 55mMultiple Airlines
Tue 12/169:50 amLCY - ONT
2 stops20h 59mMultiple Airlines
Deal found 10/27$763
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Sun 11/237:00 amONT - LCY
2 stops21h 55mMultiple Airlines
Wed 11/269:50 amLCY - ONT
2 stops21h 01mMultiple Airlines
Deal found 10/27$803
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/247:00 amONT - LCY
2 stops21h 55mMultiple Airlines
Thu 11/279:40 amLCY - ONT
2 stops34h 57mMultiple Airlines
Deal found 10/27$809
This United deal was found by Cheapflights users on 10/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:00 amONT - LCY
2 stops21h 55mMultiple Airlines
Sat 11/158:35 amLCY - ONT
2 stops45h 56mMultiple Airlines
Deal found 10/26$1,125
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Sun 10/267:00 amONT - LCY
2 stops22h 55mMultiple Airlines
Sun 11/25:15 pmLCY - ONT
2 stops36h 34mMultiple Airlines
Deal found 10/25$1,162
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/106:00 amONT - LCY
3 stops19h 05mMultiple Airlines
Wed 12/179:50 amLCY - ONT
2 stops20h 59mMultiple Airlines
Deal found 10/26$1,468

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 October 28, 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

Tue 12/2

6:00 am-4:40 pm

2 stops26h 40m

London City

Thu 12/11

9:40 am-10:49 pm

2 stops21h 09m

$703

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Tue 11/25

1:40 pm-4:40 pm

2 stops19h 00m

London City

Tue 12/2

5:15 pm-10:49 pm

2 stops37h 34m

$723

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Mon 12/1

7:00 am-12:55 pm

2 stops21h 55m

London City

Tue 12/16

9:50 am-10:49 pm

2 stops20h 59m

$763

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Wed 12/10

6:00 am-4:40 pm

2 stops26h 40m

London City

Wed 12/17

9:50 am-10:49 pm

2 stops20h 59m

$803

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Mon 11/24

7:00 am-12:55 pm

2 stops21h 55m

London City

Thu 11/27

9:40 am-12:37 pm

2 stops34h 57m

$809

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Sun 11/23

7:00 am-12:55 pm

2 stops21h 55m

London City

Wed 11/26

6:10 pm-5:34 pm

3 stops31h 24m

$827

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Wed 11/12

7:00 am-12:55 pm

2 stops21h 55m

London City

Sat 11/15

8:35 am-10:31 pm

2 stops45h 56m

$1,125

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Thu 11/20

7:05 am-7:15 am

2 stops16h 10m

London City

Wed 12/10

7:45 am-7:39 pm

2 stops19h 54m

$1,501

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Sat 11/22

7:00 am-12:45 pm

3 stops21h 45m

London City

Wed 11/26

9:50 am-10:51 pm

2 stops21h 01m

$1,543

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Wed 12/17

6:00 am-5:40 pm

2 stops27h 40m

London City

Wed 12/31

9:50 am-10:01 am

2 stops32h 11m

$1,571

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 19 results
1
2
  • Most accurate provider: When it comes to deals on Ontario-London City Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-London City Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-London City Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-London City Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-London City Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $559). Flying from Ontario to London City Airport in August is currently the most expensive (average of $1,005). 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.

  • 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 $559). Flying from Ontario to London City Airport in August is currently the most expensive (average of $1,005). 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
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

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