Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Ontario to London from $430

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 4/28. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:57 pm - 4:35 pm
ONT
-
LCY
20h 38m
2 stops
Delta Logo
10:00 am - 10:34 pm
LCY
-
ONT
20h 34m
2 stops
$885Delta
ב', מרץ 16 - ב', אפר' 6
Delta Logo
12:57 pm - 4:35 pm
ONT
-
LCY
20h 38m
2 stops
Delta Logo
10:15 am - 10:34 pm
LCY
-
ONT
20h 19m
2 stops
$888Delta
ב', מרץ 16 - ב', אפר' 6
Iberia Logo
2:08 pm - 4:30 pm
ONT
-
LCY
18h 22m
2 stops
Iberia Logo
11:00 am - 11:46 pm
LCY
-
ONT
20h 46m
2 stops
$1,026Iberia
ה', אפר' 23 - ב', מאי 4
Iberia Logo
2:08 pm - 4:30 pm
ONT
-
LCY
18h 22m
2 stops
Iberia Logo
11:00 am - 11:46 pm
LCY
-
ONT
20h 46m
2 stops
$1,029Iberia
ה', אפר' 23 - ב', מאי 4
Delta Logo
7:00 am - 9:30 am
ONT
-
LCY
18h 30m
2 stops
Delta Logo
10:00 am - 10:37 pm
LCY
-
ONT
20h 37m
2 stops
$1,030Delta
ד', אפר' 15 - ג', מאי 5
Delta Logo
7:00 am - 9:30 am
ONT
-
LCY
18h 30m
2 stops
Delta Logo
9:20 am - 10:37 pm
LCY
-
ONT
21h 17m
2 stops
$1,032Delta
ד', אפר' 15 - ג', מאי 5
Iberia Logo
2:08 pm - 4:30 pm
ONT
-
LCY
18h 22m
2 stops
Iberia Logo
11:00 am - 11:46 pm
LCY
-
ONT
20h 46m
2 stops
$1,044Iberia
ד', אפר' 15 - ב', אפר' 20
Iberia Logo
10:56 am - 2:35 pm
ONT
-
LCY
19h 39m
2 stops
Iberia Logo
7:50 am - 10:29 pm
LCY
-
ONT
22h 39m
2 stops
$1,146Iberia
ב', פב​​​​​​​' 16 - ה', פב​​​​​​​' 19
KLM Logo
5:05 pm - 6:30 pm
ONT
-
LCY
17h 25m
2 stops
KLM Logo
9:20 am - 10:37 pm
LCY
-
ONT
21h 17m
2 stops
$1,156KLM
א', אפר' 19 - ד', אפר' 22
KLM Logo
7:00 am - 9:30 am
ONT
-
LCY
18h 30m
2 stops
KLM Logo
8:25 am - 10:37 pm
LCY
-
ONT
22h 12m
2 stops
$1,158KLM
א', אפר' 19 - ד', אפר' 22

Iberia flights from Ontario to London City Airport

Our best Iberia deals on Ontario to London City Airport flight tickets
Iberia
Apr 23
ONT2:08 pmOntario
18h 22m
2 stops
LCY4:30 pmLondon City
May 4
LCY11:00 amLondon City
20h 46m
2 stops
ONT11:46 pmOntario
$1,026
Iberia
Apr 23
ONT2:08 pmOntario
18h 22m
2 stops
LCY4:30 pmLondon City
May 4
LCY11:00 amLondon City
20h 46m
2 stops
ONT11:46 pmOntario
$1,029
Iberia
Apr 15
ONT2:08 pmOntario
18h 22m
2 stops
LCY4:30 pmLondon City
Apr 20
LCY11:00 amLondon City
20h 46m
2 stops
ONT11:46 pmOntario
$1,044

KLM flights from Ontario to London City Airport

Our best KLM deals on Ontario to London City Airport flight tickets
KLM
Apr 19
ONT5:05 pmOntario
17h 25m
2 stops
LCY6:30 pmLondon City
Apr 22
LCY9:20 amLondon City
21h 17m
2 stops
ONT10:37 pmOntario
$1,156
KLM
Apr 19
ONT7:00 amOntario
18h 30m
2 stops
LCY9:30 amLondon City
Apr 22
LCY8:25 amLondon City
22h 12m
2 stops
ONT10:37 pmOntario
$1,158

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated פברואר 4, 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

ב' 3/16

12:57 pm-4:35 pm

2 stops20h 38m

London City

ב' 4/6

10:00 am-10:34 pm

2 stops20h 34m

$885

OntarioLondon

ONT - LCY

ONTLCY

Ontario

ב' 3/16

12:57 pm-4:35 pm

2 stops20h 38m

London City

ב' 4/6

10:15 am-10:34 pm

2 stops20h 19m

$888

OntarioLondon

ONT - LCY

ONTLCY

Ontario

ה' 4/23

2:08 pm-4:30 pm

2 stops18h 22m

London City

ב' 5/4

11:00 am-11:46 pm

2 stops20h 46m

$1,026

OntarioLondon

ONT - LCY

ONTLCY

Ontario

ה' 4/23

2:08 pm-4:30 pm

2 stops18h 22m

London City

ב' 5/4

11:00 am-11:46 pm

2 stops20h 46m

$1,029

OntarioLondon

ONT - LCY

ONTLCY

Ontario

ד' 4/15

7:00 am-9:30 am

2 stops18h 30m

London City

ג' 5/5

10:00 am-10:37 pm

2 stops20h 37m

$1,030

OntarioLondon

ONT - LCY

ONTLCY

Ontario

ד' 4/15

7:00 am-9:30 am

2 stops18h 30m

London City

ג' 5/5

9:20 am-10:37 pm

2 stops21h 17m

$1,032

OntarioLondon

ONT - LCY

ONTLCY

Ontario

ד' 4/15

2:08 pm-4:30 pm

2 stops18h 22m

London City

ב' 4/20

11:00 am-11:46 pm

2 stops20h 46m

$1,044

OntarioLondon

ONT - LCY

ONTLCY

Ontario

ב' 2/16

10:56 am-2:35 pm

2 stops19h 39m

London City

ה' 2/19

7:50 am-10:29 pm

2 stops22h 39m

$1,146

OntarioLondon

ONT - LCY

ONTLCY

Ontario

א' 4/19

5:05 pm-6:30 pm

2 stops17h 25m

London City

ד' 4/22

9:20 am-10:37 pm

2 stops21h 17m

$1,156

OntarioLondon

ONT - LCY

ONTLCY

Ontario

א' 4/19

7:00 am-9:30 am

2 stops18h 30m

London City

ד' 4/22

8:25 am-10:37 pm

2 stops22h 12m

$1,158

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

Iberia is the most popular carrier 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 round-trip 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?

    The straight-line distance from Ontario to London City is 5422.9 mi. Flights usually cover this in 18h 22m, depending on flying conditions and air traffic around both airports.

  • 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 are updated daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to London City Airport.

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

    The necessary travel and health documents for your London City Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Guildford
Crawley
Wembley
Dartford
Hayes
Croydon
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
Richmond

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Ontario.

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 helps you find the best flight between Ontario and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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.

An easier way to manage your London City Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
ו' 3/6
ו' 3/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Heathrow Airportfrom $337
Flights to London Gatwick Airportfrom $333
Flights to London Stansted Airportfrom $336
Flights to London Luton Airportfrom $341
Flights to Glasgow Intl Airportfrom $359
Flights to Belfast Intl Airportfrom $465
Flights to London Southend Airportfrom $449
Flights to Belfast City Airportfrom $451