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Cheap flights from Ontario to London from £302

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to London departing on 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Ontario to London

Cheap return flights

Enter your travel dates to find the best prices.
Iberia Logo
14:08 - 16:30
ONT
-
LCY
18h 22m
2 stops
Iberia Logo
11:00 - 23:46
LCY
-
ONT
20h 46m
2 stops
£534Iberia
Wed, 6 May - Wed, 13 May
KLM Logo
12:57 - 16:35
ONT
-
LCY
20h 38m
2 stops
KLM Logo
19:00 - 17:13
LCY
-
ONT
30h 13m
2 stops
£612KLM
Mon, 23 Mar - Mon, 30 Mar
Delta Logo
13:20 - 16:35
ONT
-
LCY
20h 15m
2 stops
Delta Logo
09:40 - 22:34
LCY
-
ONT
20h 54m
2 stops
£732Delta
Mon, 16 Mar - Mon, 6 Apr
Iberia Logo
14:08 - 08:35
ONT
-
LCY
34h 27m
2 stops
Iberia Logo
19:15 - 23:46
LCY
-
ONT
36h 31m
2 stops
£740Iberia
Wed, 8 Apr - Sun, 19 Apr
Iberia Logo
14:08 - 16:30
ONT
-
LCY
18h 22m
2 stops
Iberia Logo
11:00 - 23:46
LCY
-
ONT
20h 46m
2 stops
£743Iberia
Thu, 23 Apr - Mon, 4 May
Delta Logo
07:00 - 09:30
ONT
-
LCY
18h 30m
2 stops
Delta Logo
09:20 - 22:37
LCY
-
ONT
21h 17m
2 stops
£754Delta
Wed, 15 Apr - Tue, 5 May
Iberia Logo
14:08 - 16:30
ONT
-
LCY
18h 22m
2 stops
Iberia Logo
11:00 - 23:46
LCY
-
ONT
20h 46m
2 stops
£774Iberia
Wed, 22 Apr - Mon, 27 Apr
Iberia Logo
06:00 - 08:50
ONT
-
LCY
43h 50m
2 stops
Iberia Logo
19:15 - 23:59
LCY
-
ONT
36h 44m
2 stops
£789Iberia
Sun, 22 Mar - Sun, 29 Mar
Iberia Logo
10:56 - 08:50
ONT
-
LCY
37h 54m
2 stops
Iberia Logo
19:15 - 13:49
LCY
-
ONT
26h 34m
2 stops
£836Iberia
Sat, 28 Feb - Wed, 4 Mar
Iberia Logo
14:08 - 16:30
ONT
-
LCY
18h 22m
2 stops
Iberia Logo
11:00 - 23:46
LCY
-
ONT
20h 46m
2 stops
£842Iberia
Thu, 23 Apr - Mon, 4 May

Iberia flights from Ontario to London City Airport

Our best Iberia deals on Ontario to London City Airport flight tickets
Iberia
6 May
ONT14:08Ontario
18h 22m
2 stops
LCY16:30London City
13 May
LCY11:00London City
20h 46m
2 stops
ONT23:46Ontario
£534
Iberia
8 Apr
ONT14:08Ontario
34h 27m
2 stops
LCY08:35London City
19 Apr
LCY19:15London City
36h 31m
2 stops
ONT23:46Ontario
£740
Iberia
23 Apr
ONT14:08Ontario
18h 22m
2 stops
LCY16:30London City
4 May
LCY11:00London City
20h 46m
2 stops
ONT23:46Ontario
£743

Delta flights from Ontario to London City Airport

Our best Delta deals on Ontario to London City Airport flight tickets
Delta
16 Mar
ONT13:20Ontario
20h 15m
2 stops
LCY16:35London City
6 Apr
LCY09:40London City
20h 54m
2 stops
ONT22:34Ontario
£732
Delta
15 Apr
ONT07:00Ontario
18h 30m
2 stops
LCY09:30London City
5 May
LCY09:20London City
21h 17m
2 stops
ONT22:37Ontario
£754
Delta
26 Mar
ONT12:57Ontario
20h 38m
2 stops
LCY16:35London City
2 Apr
LCY10:00London City
20h 34m
2 stops
ONT22:34Ontario
£848

momondo Fare Finder

 
Customise your flight search to find flights from Ontario to London City Airport 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, momondo users made 279,928 searches. Data last updated 9 February 2026.
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

Wed 6/5

14:08-16:30

2 stops18h 22m

London City

Wed 13/5

11:00-23:46

2 stops20h 46m

£534

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Mon 23/3

12:57-16:35

2 stops20h 38m

London City

Mon 30/3

19:00-17:13

2 stops30h 13m

£612

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Mon 16/3

13:20-16:35

2 stops20h 15m

London City

Mon 6/4

09:40-22:34

2 stops20h 54m

£732

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Wed 8/4

14:08-08:35

2 stops34h 27m

London City

Sun 19/4

19:15-23:46

2 stops36h 31m

£740

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Thu 23/4

14:08-16:30

2 stops18h 22m

London City

Mon 4/5

11:00-23:46

2 stops20h 46m

£743

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Wed 15/4

07:00-09:30

2 stops18h 30m

London City

Tue 5/5

09:20-22:37

2 stops21h 17m

£754

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Wed 22/4

14:08-16:30

2 stops18h 22m

London City

Mon 27/4

11:00-23:46

2 stops20h 46m

£774

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Sun 22/3

06:00-08:50

2 stops43h 50m

London City

Sun 29/3

19:15-23:59

2 stops36h 44m

£789

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Sat 28/2

10:56-08:50

2 stops37h 54m

London City

Wed 4/3

19:15-13:49

2 stops26h 34m

£836

OntarioLondon

ONT - LCY

ONTLCY

Ontario

Thu 23/4

14:08-16:30

2 stops18h 22m

London City

Mon 4/5

11:00-23:46

2 stops20h 46m

£842

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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?

Air Europa, Scandinavian Airlines, and Iberia 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

Fastest flight time

18h 22m

Direct flights

None
The fastest flight from Ontario to London City Airport takes 18h 22m
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

  • 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 18h 22m.

  • 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Slough
Maidstone
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Chelmsford
Hayes
Wembley
Dover
Folkestone
Colchester
Bedford
Worthing
Ramsgate

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.

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