When did momondo last update prices for flights from London City Airport to Ontario Airport?

Prices for flights from London City Airport to Ontario Airport were last updated today.

How old do you have to be to fly from London City Airport to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London City Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£408 Cheap Flights from London City Airport to Ontario in 2026/27

Find the cheapest flights from London City Airport to Los Angeles

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:20 - 22:43LCY London City-ONT Ontario

21h 23m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

17:05 - 16:40ONT Ontario-LCY London City

15h 35m2 stops Salt Lake City Amsterdam Schiphol

£549Delta

Mon, 29 Mar - Wed, 7 Apr

09:15 - 22:58LCY London City-ONT Ontario

21h 43m2 stops Zurich San Francisco

08:44 - 17:05ONT Ontario-LCY London City

24h 21m3 stops Las Vegas Harry Reid Intl San Francisco Zurich

£561Multiple Airlines

Wed, 2 Dec - Wed, 9 Dec

09:15 - 22:58LCY London City-ONT Ontario

21h 43m2 stops Zurich San Francisco

08:44 - 17:05ONT Ontario-LCY London City

24h 21m3 stops Las Vegas Harry Reid Intl San Francisco Zurich

£582Multiple Airlines

Wed, 2 Dec - Tue, 8 Dec

09:15 - 07:20LCY London City-ONT Ontario

30h 05m3 stops Zurich San Francisco Las Vegas Harry Reid Intl

08:44 - 18:30ONT Ontario-LCY London City

25h 46m3 stops Las Vegas Harry Reid Intl San Francisco Zurich

£614Multiple Airlines

Thu, 26 Nov - Wed, 9 Dec

09:15 - 22:58LCY London City-ONT Ontario

21h 43m2 stops Zurich San Francisco

11:23 - 17:05ONT Ontario-LCY London City

21h 42m3 stops Las Vegas Harry Reid Intl San Francisco Zurich

£616Multiple Airlines

Wed, 2 Dec - Tue, 8 Dec

09:15 - 07:20LCY London City-ONT Ontario

30h 05m3 stops Zurich San Francisco Las Vegas Harry Reid Intl

08:44 - 18:30ONT Ontario-LCY London City

25h 46m3 stops Las Vegas Harry Reid Intl San Francisco Zurich

£621Multiple Airlines

Thu, 26 Nov - Wed, 9 Dec

09:15 - 07:20LCY London City-ONT Ontario

30h 05m3 stops Zurich San Francisco Las Vegas Harry Reid Intl

08:44 - 17:20ONT Ontario-LCY London City

24h 36m3 stops Las Vegas Harry Reid Intl San Francisco Zurich

£631Multiple Airlines

Thu, 26 Nov - Sat, 5 Dec

09:15 - 22:58LCY London City-ONT Ontario

21h 43m2 stops Zurich San Francisco

08:44 - 17:05ONT Ontario-LCY London City

24h 21m3 stops Las Vegas Harry Reid Intl San Francisco Zurich

£634Multiple Airlines

Tue, 1 Dec - Tue, 8 Dec

10:00 - 10:45LCY London City-ONT Ontario

32h 45m3 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson Denver Intl

11:30 - 07:15ONT Ontario-LCY London City

35h 45m3 stops Denver Intl Atlanta Hartsfield-Jackson Amsterdam Schiphol

£652Multiple Airlines

Tue, 1 Dec - Tue, 8 Dec

09:15 - 22:58LCY London City-ONT Ontario

21h 43m2 stops Zurich San Francisco

08:44 - 17:05ONT Ontario-LCY London City

24h 21m3 stops Las Vegas Harry Reid Intl San Francisco Zurich

£675Multiple Airlines

Tue, 1 Dec - Tue, 8 Dec

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KLM flights from London City Airport to Ontario

Our best KLM deals on London City Airport to Ontario flight tickets

KLM

4 Nov

LCY07:45London City

19h 45m

2 stops

ONT19:30Ontario

10 Nov

ONT07:05Ontario

16h 10m

2 stops

LCY07:15London City

£831

KLM

2 Nov

LCY07:45London City

19h 45m

2 stops

ONT19:30Ontario

15 Nov

ONT07:05Ontario

16h 10m

2 stops

LCY07:15London City

£852

KLM

1 Dec

LCY10:00London City

18h 58m

2 stops

ONT20:58Ontario

8 Dec

ONT07:05Ontario

16h 10m

2 stops

LCY07:15London City

£916

Iberia flights from London City Airport to Ontario

Our best Iberia deals on London City Airport to Ontario flight tickets

Iberia

25 Jan

LCY19:15London City

26h 13m

2 stops

ONT13:28Ontario

15 Feb

ONT10:34Ontario

19h 41m

2 stops

LCY14:15London City

£754

Iberia

6 Nov

LCY07:40London City

21h 52m

2 stops

ONT21:32Ontario

22 Nov

ONT07:00Ontario

17h 50m

2 stops

LCY08:50London City

£777

Iberia

23 Nov

LCY19:15London City

24h 40m

2 stops

ONT11:55Ontario

14 Dec

ONT10:32Ontario

19h 43m

2 stops

LCY14:15London City

£781

momondo 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

Fastest return journey

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Mon 29/3

09:20-22:43

2 stops21h 23m

Ontario

Wed 7/4

17:05-16:40

2 stops15h 35m

£549

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Wed 2/12

09:15-22:58

2 stops21h 43m

Ontario

Wed 9/12

08:44-17:05

3 stops24h 21m

£561

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Wed 2/12

09:15-22:58

2 stops21h 43m

Ontario

Tue 8/12

08:44-17:05

3 stops24h 21m

£582

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Thu 26/11

09:15-07:20

3 stops30h 05m

Ontario

Wed 9/12

08:44-18:30

3 stops25h 46m

£614

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Wed 2/12

09:15-22:58

2 stops21h 43m

Ontario

Tue 8/12

11:23-17:05

3 stops21h 42m

£616

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Thu 26/11

09:15-07:20

3 stops30h 05m

Ontario

Wed 9/12

08:44-18:30

3 stops25h 46m

£621

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Thu 26/11

09:15-07:20

3 stops30h 05m

Ontario

Sat 5/12

08:44-17:20

3 stops24h 36m

£631

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Tue 1/12

09:15-22:58

2 stops21h 43m

Ontario

Tue 8/12

08:44-17:05

3 stops24h 21m

£634

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Tue 1/12

10:00-10:45

3 stops32h 45m

Ontario

Tue 8/12

11:30-07:15

3 stops35h 45m

£652

LondonOntario

LCY London City - ONT Ontario

LCYONT

London City

Tue 1/12

09:15-22:58

2 stops21h 43m

Ontario

Tue 8/12

08:44-17:05

3 stops24h 21m

£675

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London City Airport to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from London City to Ontario?

British Airways and Virgin Atlantic are the most popular carriers operating from London City to Ontario

When to book flights from London City Airport to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from London City Airport to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London City Airport to Ontario (LCY to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London City Airport to Ontario

Best price found	£408
Fastest flight time	18h 15m
Direct flights	None

The best one-way flight to Ontario from London City Airport in the past 72 hours is £408. The best return flight deal from London City Airport to Ontario found on momondo in the last 72 hours is £549.

The fastest flight from London City Airport to Ontario takes 18h 15m

There are no direct flights from London City Airport to Ontario. There are no popular flight routes from London City Airport to Ontario.

Search flight deals

Frequently asked questions about flying from London City Airport to Ontario

How far is London City to Ontario by plane?
A flight from London City to Ontario will travel around 5422.9 mi. A reasonable flight in good conditions will take 18h 15m.
When did momondo last update prices for flights from London City Airport to Ontario Airport?
Prices for flights from London City Airport to Ontario Airport were last updated today.
How old do you have to be to fly from London City Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London City Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Ontario for you.

Can I find flights from London to Ontario with flexible booking policies on momondo?

Yes. All flights to Ontario from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from London.

I’m not ready to book a flight from London to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.