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London City

$433+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LCY
Feb 1 — Feb 81
Sun 2/1
Sun 2/8
1 adult, Economy
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Cheap flight deals from Ontario to London City

Best flights from Ontario to London City
Discover carefully curated flight deals from Ontario to London City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 2, 2026.

This Delta deal was found by Cheapflights users on 12/30. 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.
Tue 4/2112:39 pmONT - LCY
2 stops20h 01mDelta
Tue 4/2810:00 amLCY - ONT
2 stops18h 58mDelta
Deal found 12/30$680
This Iberia deal was found by Cheapflights users on 1/1. 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.
Thu 3/57:00 amONT - LCY
2 stops17h 50mIberia
Thu 3/127:50 amLCY - ONT
2 stops21h 40mIberia
Deal found 1/1$770
This Travelocity deal was found by Cheapflights users on 12/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/297:16 amONT - LCY
2 stops17h 34mMultiple Airlines
Thu 2/56:15 pmLCY - ONT
2 stops35h 43mMultiple Airlines
Deal found 12/30$1,147
This Delta deal was found by Cheapflights users on 12/30. 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.
Sun 2/112:41 pmONT - LCY
2 stops19h 54mDelta
Wed 9/308:25 amLCY - ONT
2 stops22h 15mDelta
Deal found 12/30$796
This Delta deal was found by Cheapflights users on 12/30. 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.
Mon 3/306:00 amONT - LCY
2 stops26h 40mDelta
Sun 4/51:45 pmLCY - ONT
2 stops39h 19mDelta
Deal found 12/30$796
This Iberia deal was found by Cheapflights users on 12/30. 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 3/37:00 amONT - LCY
2 stops17h 50mIberia
Tue 3/107:15 pmLCY - ONT
2 stops34h 15mIberia
Deal found 12/30$958
This Delta deal was found by Cheapflights users on 12/30. 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.
Sun 3/2910:25 pmONT - LCY
2 stops34h 15mDelta
Sun 4/51:45 pmLCY - ONT
2 stops39h 19mDelta
Deal found 12/30$801
This Delta deal was found by Cheapflights users on 12/31. 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.
Mon 3/161:20 pmONT - LCY
2 stops20h 15mDelta
Mon 4/68:25 amLCY - ONT
2 stops22h 09mDelta
Deal found 12/31$881
This Delta deal was found by Cheapflights users on 12/30. 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 7/15:05 pmONT - LCY
2 stops15h 35mDelta
Wed 9/309:20 amLCY - ONT
2 stops21h 20mDelta
Deal found 12/30$978

Find 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 January 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$680
(Delta)

One-way from

$433
(Iberia)

Popular in

December

Cheapest in

September

Average price

$696
Provider with most accurate pricing for Ontario-London City flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-London City flights.
Search Deals
From Ontario to London City
Search Deals
One-way flight from Ontario to London City
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($115 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 2, 2026.
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 4/21

12:39 pm-4:40 pm

2 stops20h 01m

London City

Tue 4/28

10:00 am-8:58 pm

2 stops18h 58m

$680

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Thu 3/5

7:00 am-8:50 am

2 stops17h 50m

London City

Thu 3/12

7:50 am-10:30 pm

2 stops21h 40m

$770

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Sun 2/1

12:41 pm-4:35 pm

2 stops19h 54m

London City

Wed 9/30

8:25 am-10:40 pm

2 stops22h 15m

$796

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Mon 3/30

6:00 am-4:40 pm

2 stops26h 40m

London City

Sun 4/5

1:45 pm-9:04 pm

2 stops39h 19m

$796

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Sun 3/29

10:25 pm-4:40 pm

2 stops34h 15m

London City

Sun 4/5

1:45 pm-9:04 pm

2 stops39h 19m

$801

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Mon 3/16

1:20 pm-4:35 pm

2 stops20h 15m

London City

Mon 4/6

8:25 am-10:34 pm

2 stops22h 09m

$881

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Tue 3/3

7:00 am-8:50 am

2 stops17h 50m

London City

Tue 3/10

7:15 pm-10:30 pm

2 stops34h 15m

$958

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Wed 7/1

5:05 pm-4:40 pm

2 stops15h 35m

London City

Wed 9/30

9:20 am-10:40 pm

2 stops21h 20m

$978

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Thu 1/29

7:16 am-8:50 am

2 stops17h 34m

London City

Thu 2/5

6:15 pm-9:58 pm

2 stops35h 43m

$1,147

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Tue 2/3

10:58 am-2:05 pm

2 stops19h 07m

$433

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/31

Showing 1-10 of 20 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.

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 $770, Delta can have you in London City Airport from Ontario in 17h 50m. Ontario and London City Airport are separated by a distance of 5422 mi. This flight may include one or multiple stops.

  • 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.

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
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Croydon
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Folkestone
Eastbourne

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