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

Delta can get you from London City Airport to Ontario in just under 47h 08m. Your travel time can differ by up to . The distance between London City Airport and Ontario is about 5422 mi.

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 inches per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

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

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

What airport do you fly into for flights to Ontario from London City?

Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Ontario from London City. Booking flights from London City to Ontario (ONT) should be relatively easy as there are 0 daily inbound flights from London City from 0 different airlines.

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

Yes. In addition to deals on London City to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London City to Ontario.

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

Yes. Cheapflights offers flight deals from London City to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£379+ Cheap Flights from London City Airport to Ontario

Cheap flight deals from London City to Ontario

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from London City to Ontario
Explore the most affordable flight options available from London City to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.

Mon 9/1109:15 -

2 stops18h 15m

Mon 16/1112:01 -

2 stops22h 29m

Deal found 10/10£573

Thu 5/1109:15 -

2 stops18h 15m

Mon 16/1112:01 -

2 stops22h 29m

Deal found 7/10£579

Mon 2/1117:50 -

2 stops36h 53m

Mon 9/1106:00 -

2 stops26h 35m

Deal found 8/10£583

Fri 6/1109:15 -

2 stops18h 15m

Sun 22/1122:40 -

3 stops35h 50m

Deal found 7/10£596

Thu 5/1109:15 -

2 stops18h 15m

Sun 22/1122:40 -

3 stops34h 25m

Deal found 7/10£605

Sun 8/1120:05 -

2 stops31h 25m

Tue 24/1122:40 -

3 stops35h 45m

Deal found 9/10£636

Fri 6/1107:40 -

2 stops21h 52m

Sun 22/1107:00 -

2 stops17h 50m

Deal found 8/10£669

Sun 8/1119:05 -

2 stops32h 25m

Sun 15/1112:01 -

2 stops22h 29m

Deal found 8/10£678

Find flight deals from London City to Ontario

Round-trip from	£518
One-way from	£379
Popular in	December
Cheapest in	February
Average price	£498

Delta
6/2-19/2
4 total stops
65h 38m total
London to Ontario

Search Deals

Iberia
3/12-31/12
2 total stops
24h 08m total
London to Ontario

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (£6 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Wed 2/12

19:15-21:38

2 stops34h 23m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£390

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Wed 25/11

07:40-22:54

2 stops23h 14m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£390

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Wed 2/12

19:15-12:12

2 stops24h 57m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£395

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Fri 29/1

07:40-23:13

2 stops23h 33m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£402

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Thu 10/12

07:40-23:48

2 stops24h 08m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£434

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Wed 9/12

07:40-23:48

2 stops24h 08m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£434

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Sat 6/2

08:40-23:48

2 stops47h 08m

Ontario

Fri 19/2

07:00-09:30

2 stops18h 30m

£518

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Tue 1/12

09:15-23:19

2 stops22h 04m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£530

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Wed 2/12

09:15-23:19

2 stops22h 04m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£536

Fastest return journey

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Mon 16/11

09:15-19:30

2 stops18h 15m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£555

Flights are sorted by cheapest return flights first.

Deals found on 5/10

Showing 1-10 of 21 resultsSorted by cheapest first

Best time to book a flight from London City to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from London City with our price prediction graph.

LCY-ONT

Estimated return 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 into for flights to Ontario from London City?
Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Ontario from London City. Booking flights from London City to Ontario (ONT) should be relatively easy as there are 0 daily inbound flights from London City from 0 different airlines.
How long is the flight from London City Airport to Ontario?
Delta can get you from London City Airport to Ontario in just under 47h 08m. Your travel time can differ by up to . The distance between London City Airport and Ontario is about 5422 mi.
Can I find deals for flights from London City to Ontario that include hotel bookings?
Yes. In addition to deals on London City to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London City to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London City to Ontario.
Can I find deals for business class flights from London City to Ontario?
Yes. Cheapflights offers flight deals from London City to Ontario 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

Browse thousands of different options on Cheapflights for your next trip

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How does Cheapflights help users find flights from London City to Ontario?

Cheapflights helps you search for flights from London City to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London City to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London City to Ontario.

Can Cheapflights find flights from London City to Ontario with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London City to Ontario, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from London City to Ontario become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ontario from London City today and book when prices fit your budget.

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Cheap flights from London City Airport to Ontario from £379

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London City to Ontario

Cheapest flights from London City to OntarioExplore the most affordable flight options available from London City to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.

Explore the most affordable flight options available from London City to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.

Best flights from London City to OntarioDiscover carefully curated flight deals from London City to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Discover carefully curated flight deals from London City to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Last-minute flights from London City to OntarioDiscover last-minute flight deals from London City to Ontario. Data last updated 10 October 2026 and is based on user searches.

Discover last-minute flight deals from London City to Ontario. Data last updated 10 October 2026 and is based on user searches.

One-way flights from London City to OntarioSearch for one-way flight options from London City to Ontario. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Search for one-way flight options from London City to Ontario. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Find flight deals from London City to Ontario

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Cheapest in

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Cheapflights Fare Finder

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

Best time to book a flight from London City to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from London City with our price prediction graph.

Related info for your journey

What airport do you fly into for flights to Ontario from London City?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London City to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Ontario by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to California

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Search flights from London City to Ontario by cabin class

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Other flights to Ontario

Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 10 October 2026.

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Can Cheapflights notify me if prices for flights from London City to Ontario become cheaper?

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Cheapest flights from London City to Ontario
Explore the most affordable flight options available from London City to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 October 2026.

Best flights from London City to Ontario
Discover carefully curated flight deals from London City to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Last-minute flights from London City to Ontario
Discover last-minute flight deals from London City to Ontario. Data last updated 10 October 2026 and is based on user searches.

One-way flights from London City to Ontario
Search for one-way flight options from London City to Ontario. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.