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

For as low as $882, Iberia can have you in London City Airport from Ontario in 17h 40m. Ontario and London City Airport are separated by a distance of 5422 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in London City Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London City Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to London City Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

What is the cheapest time of day to fly from ONT to LCY?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to London City Airport as you normally would.

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.

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.

$424+ Flights from Ontario to London City Airport

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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 December 18, 2025.

Wed 12/176:00 amONT - LCY

2 stops31h 30mMultiple Airlines

Wed 12/247:50 amLCY - ONT

2 stops36h 03mMultiple Airlines

Deal found 12/16

$1,902

Thu 12/186:10 amONT - LCY

2 stops18h 40mIberia

Thu 1/157:50 amLCY - ONT

2 stops22h 58mIberia

Deal found 12/15

$3,509

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 December 18, 2025.

Thu 3/57:10 amONT - LCY

2 stops17h 40mIberia

Thu 3/127:50 amLCY - ONT

2 stops23h 09mIberia

Deal found 12/16

$882

Thu 1/17:05 amONT - LCY

2 stops17h 45mMultiple Airlines

Thu 1/85:50 pmLCY - ONT

2 stops30h 22mMultiple Airlines

Deal found 12/15

$1,114

Sun 3/221:20 pmONT - LCY

2 stops20h 15mDelta

Sun 3/291:45 pmLCY - ONT

2 stops18h 09mDelta

Deal found 12/17

$1,323

Wed 2/1110:58 amONT - LCY

2 stops19h 07mIberia

Mon 2/167:15 pmLCY - ONT

2 stops26h 41mIberia

Deal found 12/16

$1,157

Mon 1/512:41 pmONT - LCY

2 stops19h 54mDelta

Tue 1/207:45 amLCY - ONT

2 stops21h 20mDelta

Deal found 12/15

$1,668

Fri 1/210:29 pmONT - LCY

2 stops30h 46mDelta

Tue 2/310:00 amLCY - ONT

2 stops19h 05mDelta

Deal found 12/16

$1,718

Fri 1/210:29 pmONT - LCY

2 stops30h 46mDelta

Thu 1/2910:00 amLCY - ONT

2 stops19h 05mDelta

Deal found 12/16

$1,718

Fri 1/210:29 pmONT - LCY

2 stops30h 46mDelta

Wed 1/2810:00 amLCY - ONT

2 stops19h 05mDelta

Deal found 12/16

$1,718

Fri 1/210:29 pmONT - LCY

2 stops30h 46mDelta

Mon 2/210:00 amLCY - ONT

2 stops19h 05mDelta

Deal found 12/16

$1,768

Last-minute flights from Ontario to London City
Discover last-minute flight deals from Ontario to London City. Data last updated December 18, 2025 and is based on user searches.

Wed 12/176:00 amONT - LCY

2 stops31h 30mMultiple Airlines

Wed 12/247:50 amLCY - ONT

2 stops36h 03mMultiple Airlines

Deal found 12/16

$1,902

Thu 12/186:10 amONT - LCY

2 stops18h 40mIberia

Thu 1/157:50 amLCY - ONT

2 stops22h 58mIberia

Deal found 12/15

$3,509

Thu 1/17:05 amONT - LCY

2 stops17h 45mMultiple Airlines

Thu 1/85:50 pmLCY - ONT

2 stops30h 22mMultiple Airlines

Deal found 12/15

$1,114

Fri 1/210:29 pmONT - LCY

2 stops30h 46mDelta

Thu 1/2910:00 amLCY - ONT

2 stops19h 05mDelta

Deal found 12/16

$1,718

Fri 1/210:29 pmONT - LCY

2 stops30h 46mDelta

Sun 2/11:45 pmLCY - ONT

2 stops39h 20mDelta

Deal found 12/16

$1,768

Fri 1/210:29 pmONT - LCY

2 stops30h 46mDelta

Sat 1/3110:00 amLCY - ONT

2 stops19h 05mDelta

Deal found 12/16

$1,804

Fri 1/210:29 pmONT - LCY

2 stops30h 46mDelta

Fri 1/307:45 amLCY - ONT

2 stops21h 20mDelta

Deal found 12/16

$1,853

Mon 1/512:41 pmONT - LCY

2 stops19h 54mDelta

Tue 1/209:20 amLCY - ONT

2 stops19h 45mDelta

Deal found 12/17

$1,668

One-way flights from Ontario to London City
Search for one-way flight options from Ontario to London City. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Wed 1/285:05 amONT - LCY

3 stops23h 50mUnited Airlines

Deal found 12/16

$424

Tue 1/2710:30 pmONT - LCY

2 stops25h 40mDelta

Deal found 12/16

$429

Wed 1/217:16 amONT - LCY

2 stops22h 49mIberia

Deal found 12/16

$433

Sun 1/2510:58 amONT - LCY

2 stops19h 37mIberia

Deal found 12/16

$434

Thu 1/295:05 amONT - LCY

3 stops23h 50mUnited Airlines

Deal found 12/16

$478

Sun 2/15:05 amONT - LCY

3 stops23h 50mUnited Airlines

Deal found 12/16

$493

Mon 2/210:58 amONT - LCY

2 stops19h 37mIberia

Deal found 12/16

$543

Thu 1/2910:58 amONT - LCY

2 stops37h 52mBritish Airways

Deal found 12/16

$557

Mon 6/16:00 amONT - LCY

3 stops31h 05mMultiple Airlines

Deal found 12/16

$628

Tue 6/211:51 amONT - LCY

3 stops25h 14mMultiple Airlines

Deal found 12/16

$638

Find flight deals from Ontario to London City

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$882 (Iberia)
One-way from	$424 (United Airlines)
Popular in	December
Cheapest in	September
Average price	$1,045

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. 12% potential increase in price ($105 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to London City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Thu 3/5

7:10 am-8:50 am

2 stops17h 40m

London City

Thu 3/12

7:50 am-11:59 pm

2 stops23h 09m

$882

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Thu 1/1

7:05 am-8:50 am

2 stops17h 45m

London City

Thu 1/8

5:50 pm-4:12 pm

2 stops30h 22m

$1,114

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Wed 2/11

10:58 am-2:05 pm

2 stops19h 07m

London City

Mon 2/16

7:15 pm-1:56 pm

2 stops26h 41m

$1,157

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Sun 3/22

1:20 pm-4:35 pm

2 stops20h 15m

London City

Sun 3/29

1:45 pm-11:54 pm

2 stops18h 09m

$1,323

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Mon 1/5

12:41 pm-4:35 pm

2 stops19h 54m

London City

Tue 1/20

7:45 am-9:05 pm

2 stops21h 20m

$1,668

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Fri 1/2

10:29 pm-1:15 pm

2 stops30h 46m

London City

Tue 2/3

10:00 am-9:05 pm

2 stops19h 05m

$1,718

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Fri 1/2

10:29 pm-1:15 pm

2 stops30h 46m

London City

Thu 1/29

10:00 am-9:05 pm

2 stops19h 05m

$1,718

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Fri 1/2

10:29 pm-1:15 pm

2 stops30h 46m

London City

Wed 1/28

10:00 am-9:05 pm

2 stops19h 05m

$1,718

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Fri 1/2

10:29 pm-1:15 pm

2 stops30h 46m

London City

Mon 2/2

10:00 am-9:05 pm

2 stops19h 05m

$1,768

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Wed 1/28

5:05 am-12:55 pm

3 stops23h 50m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 21 results

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

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 $882, Iberia can have you in London City Airport from Ontario in 17h 40m. 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

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$424+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to London City with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to London City

Cheapest flights from Ontario to London CityExplore 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 December 18, 2025.

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 December 18, 2025.

Find flight deals from Ontario to London City

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to London City Airport that are best for you.

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.

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?

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

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

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

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

Traveling to a place near London City Airport?

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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 December 18, 2025.