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London City

$446+ 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LCY
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap 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 January 27, 2026.

This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/41:15 pm
ONT
-
LCY
2 stops19h 20m
Delta
Wed 3/117:45 am
LCY
-
ONT
2 stops20h 15m
Delta
Deal found 1/26$766
This KAYAK deal was found by Cheapflights users on 1/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/72:31 pm
ONT
-
LCY
2 stops17h 59m
British Airways
Tue 9/1511:00 am
LCY
-
ONT
2 stops21h 17m
British Airways
Deal found 1/25$809
This Travelocity deal was found by Cheapflights users on 1/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2510:56 am
ONT
-
LCY
2 stops37h 54m
Iberia
Wed 3/47:15 pm
LCY
-
ONT
2 stops35h 14m
Iberia
Deal found 1/25$831
This Iberia deal was found by Cheapflights users on 1/27. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1110:58 am
ONT
-
LCY
2 stops19h 07m
Iberia
Thu 2/197:50 am
LCY
-
ONT
2 stops22h 39m
Iberia
Deal found 1/27$937
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/51:15 pm
ONT
-
LCY
2 stops19h 20m
Delta
Thu 3/127:45 am
LCY
-
ONT
2 stops20h 15m
Delta
Deal found 1/26$941
This Iberia deal was found by Cheapflights users on 1/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/282:08 pm
ONT
-
LCY
2 stops18h 22m
Iberia
Fri 5/811:00 am
LCY
-
ONT
2 stops20h 46m
Iberia
Deal found 1/26$950
This Iberia deal was found by Cheapflights users on 1/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/62:39 pm
ONT
-
LCY
2 stops17h 51m
Iberia
Mon 4/1311:00 am
LCY
-
ONT
2 stops20h 46m
Iberia
Deal found 1/26$965
This Delta deal was found by Cheapflights users on 1/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/161:20 pm
ONT
-
LCY
2 stops20h 15m
Delta
Mon 4/610:00 am
LCY
-
ONT
2 stops20h 34m
Delta
Deal found 1/25$981
This Iberia deal was found by Cheapflights users on 1/25. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/142:08 pm
ONT
-
LCY
2 stops18h 22m
Iberia
Mon 4/2011:00 am
LCY
-
ONT
2 stops20h 46m
Iberia
Deal found 1/25$986
This Iberia deal was found by Cheapflights users on 1/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1610:56 am
ONT
-
LCY
2 stops20h 39m
Iberia
Mon 4/611:00 am
LCY
-
ONT
2 stops20h 59m
Iberia
Deal found 1/26$1,136
This Iberia deal was found by Cheapflights users on 1/25. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/210:56 am
ONT
-
LCY
2 stops19h 39m
Iberia
Fri 3/67:50 am
LCY
-
ONT
2 stops24h 09m
Iberia
Deal found 1/25$1,141

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 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$766
(Delta)

One-way from

$446
(Delta)

Popular in

December

Cheapest in

September

Average price

$738
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 ($113 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($29 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 27, 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

Wed 3/4

1:15 pm-4:35 pm

2 stops19h 20m

London City

Wed 3/11

7:45 am-9:00 pm

2 stops20h 15m

$766

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Wed 2/25

10:56 am-8:50 am

2 stops37h 54m

London City

Wed 3/4

7:15 pm-10:29 pm

2 stops35h 14m

$831

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Thu 3/5

1:15 pm-4:35 pm

2 stops19h 20m

London City

Thu 3/12

7:45 am-9:00 pm

2 stops20h 15m

$941

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Tue 4/28

2:08 pm-4:30 pm

2 stops18h 22m

London City

Fri 5/8

11:00 am-11:46 pm

2 stops20h 46m

$950

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Mon 4/6

2:39 pm-4:30 pm

2 stops17h 51m

London City

Mon 4/13

11:00 am-11:46 pm

2 stops20h 46m

$965

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Mon 3/16

1:20 pm-4:35 pm

2 stops20h 15m

London City

Mon 4/6

10:00 am-10:34 pm

2 stops20h 34m

$981

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Tue 4/14

2:08 pm-4:30 pm

2 stops18h 22m

London City

Mon 4/20

11:00 am-11:46 pm

2 stops20h 46m

$986

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Mon 3/16

10:56 am-2:35 pm

2 stops20h 39m

London City

Mon 4/6

11:00 am-11:59 pm

2 stops20h 59m

$1,136

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Mon 3/23

1:20 pm-4:35 pm

2 stops20h 15m

$446

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Sun 7/26

7:00 am-8:50 am

2 stops17h 50m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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 $766, Delta can have you in London City Airport from Ontario in 19h 20m. 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
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

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