Cheap Flights from London to Ontario, CA from $375

Return flight: Ontario – London

On Cheapflightsplus.com you will find 306 connecting flights from London to Ontario. You can compare airfare deals from 30 airlines and multiple travel sites from $375, book and save on cheap plane tickets and last minute offers. Also check out LON-ONT flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip London to Ontario Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $375 (one-way), $643 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from London to Ontario. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
08:20 — 18:01
08:20 — 12:40 BA1504 British Airways
London — Dallas
3h 45m stop
17:19 — 18:33 BA2434 British Airways
Dallas — Ontario
17h 41m
including layover
Find flight
from$1591
08:20 — 23:55
08:20 — 12:40 BA1504 British Airways
London — Dallas
9h 40m stop
22:42 — 23:57 BA2432 British Airways
Dallas — Ontario
23h 35m
including layover
Find flight
from$1591
09:25 — 17:21
09:25 — 11:20 IB3509 Iberia
London — Seattle
3h 28m stop
14:48 — 17:21 AS2314 Alaska Airlines
Seattle — Ontario
15h 56m
including layover
Find flight
from$1165
09:25 — 17:17
09:25 — 11:20 EI8753 Aer Lingus
London — Seattle
3h 22m stop
14:42 — 17:17 AS2119 Alaska Airlines
Seattle — Ontario
15h 52m
including layover
Find flight
from$1451
10:05 — 17:43
10:05 — 13:15 UA900 United Airlines
London — San Francisco
3h stop
16:15 — 17:43 UA4783 United Airlines
San Francisco — Ontario
15h 38m
including layover
Find flight
from$994
10:40 — 18:01
10:40 — 15:00 BA193 British Airways
London — Dallas
1h 35m stop
17:19 — 18:33 BA2434 British Airways
Dallas — Ontario
15h 21m
including layover
Find flight
from$1591
11:05 — 23:23
11:05 — 14:15 IB3626 Iberia
London — San Francisco
7h 44m stop
21:59 — 23:23 F92678 Frontier Airlines
San Francisco — Ontario
20h 18m
including layover
Find flight
from$745
11:35 — 20:55
11:35 — 14:25 UA26 United Airlines
London — Denver
5h 3m stop
19:28 — 20:55 UA351 United Airlines
Denver — Ontario
17h 20m
including layover
Find flight
from$1729
12:00 — 07:11
+1 day
12:00 — 14:40 Z0777 Z0
London — Las Vegas
15h 25m stop
06:05 — 07:14 F94757 Frontier Airlines
Las Vegas — Ontario
27h 11m
including layover
Find flight
from$493
12:00 — 11:07
+1 day
12:00 — 14:40 Z0777 Z0
London — Las Vegas
19h 20m stop
10:00 — 11:07 F91283 Frontier Airlines
Las Vegas — Ontario
31h 7m
including layover
Find flight
from$493
13:45 — 23:58
13:45 — 16:55 UA949 United Airlines
London — San Francisco
5h 40m stop
22:35 — 23:58 UA2409 United Airlines
San Francisco — Ontario
18h 13m
including layover
Find flight
from$774
13:45 — 09:53
+1 day
13:45 — 16:55 UA949 United Airlines
London — San Francisco
15h 30m stop
08:25 — 09:53 UA5740 United Airlines
San Francisco — Ontario
28h 8m
including layover
Find flight
from$994
14:20 — 22:13
14:20 — 16:35 IB3521 Iberia
London — Portland
3h 20m stop
19:55 — 22:13 AS1066 Alaska Airlines
Portland — Ontario
15h 53m
including layover
Find flight
from$1096
14:20 — 22:15
14:20 — 16:35 IB3521 Iberia
London — Portland
3h 20m stop
19:55 — 22:15 AS125 Alaska Airlines
Portland — Ontario
15h 55m
including layover
Find flight
from$1478
15:00 — 10:38
+1 day
15:00 — 16:55 IB3507 Iberia
London — Seattle
15h 5m stop
08:00 — 10:38 AS1254 Alaska Airlines
Seattle — Ontario
27h 38m
including layover
Find flight
from$980
15:20 — 23:23
15:20 — 18:45 IB3628 Iberia
London — San Francisco
3h 14m stop
21:59 — 23:23 F92678 Frontier Airlines
San Francisco — Ontario
16h 3m
including layover
Find flight
from$832
16:05 — 07:06
+1 day
16:05 — 18:50 IB3618 Iberia
London — Las Vegas
11h 10m stop
06:05 — 07:14 F91283 Frontier Airlines
Las Vegas — Ontario
23h 1m
including layover
Find flight
from$876
16:05 — 07:11
+1 day
16:05 — 18:50 IB3618 Iberia
London — Las Vegas
11h 15m stop
07:30 — 08:33 F94757 Frontier Airlines
Las Vegas — Ontario
23h 6m
including layover
Find flight
from$918
21:15 — 16:50
+1 day
21:15 — 18:15 CI82 China Airlines
London — Taipei
3h 10m stop
21:25 — 16:50 CI24 China Airlines
Taipei — Ontario
27h 35m
including layover
Find flight
from$1531
*Departure and arrival times - local. Updated on November 22, 2024

Flight Information

Below we will explain in detail what the flights cost on the destination from London to Ontario depends on and how to choose the most interesting flight option for you.

Distance between London and Ontario is 8723 miles. Time difference between the cities is 8h. Airplanes depart 06:20 to 22:35 from 10 London airports and arrive 06:20 to 22:35 to 2 Ontario airports. Average flight time is 27h 36m.

  • The fastest flight 13h 45m
  • Average flight time 27h 36m
  • The earliest flight 06:20
  • The latest flight 22:35
  • Distance 5421 ml

The cheapest months to travel to Ontario are january (from 375 $), february (from 429 $), november (from 504 $).

The most expensive months are december (from 541 $), november (from 504 $), february (from 429 $).

What is the lowest airfare London to Ontario?

The cheapest plane ticket found by our users is $375. This airfare is for economy class on one-way Z0701 flight by Z0 for January 22, 2025 which leaves Gatwick in London at 13:00 am and arrives at Ontario Ontario Int. at 14:44.

Economy class
$375
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Business class
?
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First class
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Popular Airlines on the Route

The flight London — Ontario is served by 30 regular airlines and 5 low-cost airlines. Most of the flights on this route are operated by Wizz Air UK - 1 departures per week at the price of from $ 984 . And the most expensive tickets are offered by Air Canada airline - from $ 6311.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 306 flights with layovers on the route. The fastest connecting flight is VS4019 by Virgin Atlantic Airways takes 13h 45m and the cheapest is Z0701 by Z0 for $375.

  • W9 - Wizz Air UK
    from $984
    Find
  • VY - Vueling
    from $658
    Find
  • FI - Icelandair
    from $678
    Find
  • UA - United Airlines
    from $774
    Find
  • Z0 - Z0
    from $375
    Find
  • OG - Air Onix
    from $599
    Find
  • SK - SAS
    from $627
    Find
  • IB - Iberia
    from $661
    Find
  • SN - Brussels Airlines
    from $4730
    Find
  • WS - WestJet
    from $457
    Find
  • CA - Air China Limited
    from $1300
    Find
  • AC - Air Canada
    from $1522
    Find
See more connecting flights

Airports

You can fly from London to Ontario from 10 airports (London City, London-Waterloo, Heathrow, Luton, British Rail Terminal, London Biggin Hill, Stansted, Gatwick, Ebbsfleet International Rail St, Stratford International Rail St).

London airports

  • London City-LCY
    from $684
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  • London-Waterloo-QQW
    Find
  • Heathrow-LHR
    from $457
    Find
  • Luton-LTN
    from $588
    Find
  • British Rail Terminal-ZLX
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  • London Biggin Hill-BQH
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  • Stansted-STN
    from $599
    Find
  • Gatwick-LGW
    from $375
    Find
  • Ebbsfleet International Rail St-XQE
    Find
  • Stratford International Rail St-XOF
    Find

Ontario airports

  • Ontario Int.-ONT
    Find
  • International Heliport-JIO
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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