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

Prices for flights from Ontario Airport to London City Airport refresh daily.

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

What documentation or ID do you need to fly to London City Airport?

The travel and health documents you'll need for your trip to London City 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 London City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£353 Cheap Flights from Ontario to London City Airport in 2026

Find the cheapest flights from Ontario to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:34 - 14:05ONT Ontario-LCY London City

19h 31m2 stops Dallas/Fort Worth Madrid Barajas

07:50 - 22:45LCY London City-ONT Ontario

22h 55m2 stops Madrid Barajas Dallas/Fort Worth

£950Iberia

Wed, 23 Dec - Thu, 7 Jan

13:35 - 16:35ONT Ontario-LCY London City

43h 00m2 stops Salt Lake City Amsterdam Schiphol

20:05 - 23:00LCY London City-ONT Ontario

34h 55m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

£1,014Multiple Airlines

Sat, 7 Nov - Tue, 10 Nov

10:25 - 15:15ONT Ontario-LCY London City

20h 50m2 stops Dallas/Fort Worth Madrid Barajas

07:50 - 23:46LCY London City-ONT Ontario

23h 56m2 stops Madrid Barajas Dallas/Fort Worth

£1,042Iberia

Tue, 15 Sep - Wed, 11 Nov

10:25 - 13:30ONT Ontario-LCY London City

19h 05m2 stops Dallas/Fort Worth Barcelona-El Prat

07:50 - 23:46LCY London City-ONT Ontario

23h 56m2 stops Madrid Barajas Dallas/Fort Worth

£1,046Iberia

Mon, 14 Sep - Wed, 11 Nov

10:25 - 15:15ONT Ontario-LCY London City

20h 50m2 stops Dallas/Fort Worth Madrid Barajas

07:50 - 11:52LCY London City-ONT Ontario

36h 02m2 stops Madrid Barajas Dallas/Fort Worth

£1,050Iberia

Tue, 15 Sep - Wed, 11 Nov

22:42 - 08:40ONT Ontario-LCY London City

25h 58m2 stops New York John F Kennedy Intl Zurich

09:15 - 21:59LCY London City-ONT Ontario

20h 44m2 stops Frankfurt am Main Houston George Bush Intcntl

£1,093Multiple Airlines

Mon, 5 Oct - Mon, 19 Oct

22:39 - 08:40ONT Ontario-LCY London City

26h 01m2 stops New York John F Kennedy Intl Zurich

09:15 - 21:59LCY London City-ONT Ontario

20h 44m2 stops Frankfurt am Main Houston George Bush Intcntl

£1,151Multiple Airlines

Wed, 16 Sep - Wed, 30 Sep

13:04 - 16:40ONT Ontario-LCY London City

19h 36m2 stops Salt Lake City Amsterdam Schiphol

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

21h 23m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

£1,161Delta

Tue, 22 Sep - Tue, 20 Oct

10:25 - 13:20ONT Ontario-LCY London City

18h 55m2 stops Dallas/Fort Worth Barcelona-El Prat

09:50 - 23:36LCY London City-ONT Ontario

21h 46m2 stops Madrid Barajas Dallas/Fort Worth

£1,248Iberia

Mon, 21 Sep - Thu, 24 Sep

14:22 - 09:10ONT Ontario-LCY London City

58h 48m2 stops Dallas/Fort Worth Madrid Barajas

08:50 - 09:40LCY London City-ONT Ontario

32h 50m2 stops Madrid Barajas Dallas/Fort Worth

£1,338Iberia

Sat, 12 Sep - Mon, 9 Nov

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Iberia flights from Ontario to London City Airport

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

Iberia

23 Dec

ONT10:34Ontario

19h 31m

2 stops

LCY14:05London City

7 Jan

LCY07:50London City

22h 55m

2 stops

ONT22:45Ontario

£950

Iberia

15 Sept

ONT10:25Ontario

20h 50m

2 stops

LCY15:15London City

11 Nov

LCY07:50London City

23h 56m

2 stops

ONT23:46Ontario

£1,042

Iberia

14 Sept

ONT10:25Ontario

19h 05m

2 stops

LCY13:30London City

11 Nov

LCY07:50London City

23h 56m

2 stops

ONT23:46Ontario

£1,046

Delta flights from Ontario to London City Airport

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

Delta

6 Sept

ONT13:06Ontario

19h 34m

2 stops

LCY16:40London City

18 Sept

LCY10:00London City

21h 47m

2 stops

ONT23:47Ontario

£807

Delta

22 Sept

ONT13:04Ontario

19h 36m

2 stops

LCY16:40London City

20 Oct

LCY09:20London City

21h 23m

2 stops

ONT22:43Ontario

£1,161

Delta

6 Sept

ONT13:06Ontario

19h 34m

2 stops

LCY16:40London City

19 Sept

LCY12:10London City

38h 06m

2 stops

ONT18:16Ontario

£1,212

momondo 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

Cheapest return flight

OntarioLondon

ONT Ontario - LCY London City

ONTLCY

Ontario

Wed 23/12

10:34-14:05

2 stops19h 31m

London City

Thu 7/1

07:50-22:45

2 stops22h 55m

£950

OntarioLondon

ONT Ontario - LCY London City

ONTLCY

Ontario

Sat 7/11

13:35-16:35

2 stops43h 00m

London City

Tue 10/11

20:05-23:00

2 stops34h 55m

£1,014

OntarioLondon

ONT Ontario - LCY London City

ONTLCY

Ontario

Tue 15/9

10:25-15:15

2 stops20h 50m

London City

Wed 11/11

07:50-23:46

2 stops23h 56m

£1,042

OntarioLondon

ONT Ontario - LCY London City

ONTLCY

Ontario

Mon 14/9

10:25-13:30

2 stops19h 05m

London City

Wed 11/11

07:50-23:46

2 stops23h 56m

£1,046

OntarioLondon

ONT Ontario - LCY London City

ONTLCY

Ontario

Tue 15/9

10:25-15:15

2 stops20h 50m

London City

Wed 11/11

07:50-11:52

2 stops36h 02m

£1,050

OntarioLondon

ONT Ontario - LCY London City

ONTLCY

Ontario

Mon 5/10

22:42-08:40

2 stops25h 58m

London City

Mon 19/10

09:15-21:59

2 stops20h 44m

£1,093

OntarioLondon

ONT Ontario - LCY London City

ONTLCY

Ontario

Wed 16/9

22:39-08:40

2 stops26h 01m

London City

Wed 30/9

09:15-21:59

2 stops20h 44m

£1,151

OntarioLondon

ONT Ontario - LCY London City

ONTLCY

Ontario

Tue 22/9

13:04-16:40

2 stops19h 36m

London City

Tue 20/10

09:20-22:43

2 stops21h 23m

£1,161

Fastest return journey

OntarioLondon

ONT Ontario - LCY London City

ONTLCY

Ontario

Mon 21/9

10:25-13:20

2 stops18h 55m

London City

Thu 24/9

09:50-23:36

2 stops21h 46m

£1,248

OntarioLondon

ONT Ontario - LCY London City

ONTLCY

Ontario

Sat 12/9

14:22-09:10

2 stops58h 48m

London City

Mon 9/11

08:50-09:40

2 stops32h 50m

£1,338

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 Ontario to London City Airport

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 Ontario to London City?

Iberia, United Airlines, and Delta are the most popular carriers operating from Ontario to London City

When to book flights from Ontario to London City Airport

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

Estimated return price

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

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

Best price found	£353
Fastest flight time	16h 10m
Direct flights	None

The best one-way flight to London City Airport from Ontario in the past 72 hours is £353. The best return flight deal from Ontario to London City Airport found on momondo in the last 72 hours is £950.

The fastest flight from Ontario to London City Airport takes 16h 10m

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

Search flight deals

Frequently asked questions about flying from Ontario to London City Airport

How far is Ontario to London City by plane?
Ontario and London City are 5422.9 mi apart from one another. In terms of flight time, this usually takes a little over 16h 10m.
When did momondo last update prices for flights from Ontario Airport to London City Airport?
Prices for flights from Ontario Airport to London City Airport refresh daily.
How old do you have to be to fly from Ontario Airport to London City 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 Ontario Airport to London City Airport.
What documentation or ID do you need to fly to London City Airport?
The travel and health documents you'll need for your trip to London City 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 London City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Eastbourne

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Gatwick

Milton Keynes

Southend-on-Sea

Luton

Slough

Ipswich

Maidstone

Folkestone

Hastings

Ilford

Canterbury

Chichester

Hayes

Bedford

Guildford

Colchester

Harlow

Chelmsford

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to London. momondo saves you time and could save you money on your trip.

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

Flights from Ontario to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to London.

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

Of course. momondo tracks the price of Ontario to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.