Cheap Flights from London to Ontario, CA from $375

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On Cheapflightsplus.com you will find 144 connecting flights from London to Ontario. You can compare airfare deals from 24 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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Best Flights from London to Ontario Today

Take a look at the list of non stop flights and flights with layovers from London to Ontario with the lowest price of $375. Take a look at the list of flights with layovers from London to Ontario from $375. There’re no direct flights. The fastest connecting flight – 15h 5m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $493 Find flight	12:00 London Gatwick	07:11+1 день Ontario Ontario Int.	27h 11m layover 15h 25m - Las Vegas	Z0	Z0777 F94757
from $876 Find flight	16:05 London Heathrow	07:06+1 день Ontario Ontario Int.	23h 1m layover 11h 10m - Las Vegas	Iberia	IB3618 F91283
from $1096 Find flight	14:20 London Heathrow	22:13 Ontario Ontario Int.	15h 53m layover 3h 20m - Portland	Iberia	IB3521 AS1066
from $375 Find flight	13:00 London Gatwick	14:44+1 день Ontario Ontario Int.	33h 44m layover 16h 9m - New York 2h 38m - Las Vegas	Z0	Z0701 F93237 F92231
from $457 Find flight	14:50 London Heathrow	23:24+1 день Ontario Ontario Int.	40h 34m layover 18h 20m - Calgary 8h 53m - San Francisco	WestJet	WS19 WS1508 F92678
from $588 Find flight	15:35 London Luton	23:47+1 день Ontario Ontario Int.	40h 12m layover 22h 5m - Reykjavik 4h 10m - Denver	EasyJet	U22645 FI671 F91499
from $588 Find flight	15:35 London Luton	17:28+2 дня Ontario Ontario Int.	57h 53m layover 22h 5m - Reykjavik 21h 59m - Denver	EasyJet	U22645 FI671 F91497
from $600 Find flight	07:15 London Luton	23:39 Ontario Ontario Int.	24h 24m layover 6h 30m - Reykjavik 4h 15m - Denver	EasyJet	U22643 FI671 F91499
from $601 Find flight	16:25 London Heathrow	14:44+1 день Ontario Ontario Int.	30h 19m layover 12h 24m - New York 2h 38m - Las Vegas	British Airways	BA189 F93237 F92231
from $645 Find flight	07:15 London Luton	06:30+1 день Ontario Ontario Int.	31h 15m layover 6h 30m - Reykjavik 11h 6m - Denver	EasyJet	U22643 FI671 F91261
from $661 Find flight	15:20 London Heathrow	07:06+1 день Ontario Ontario Int.	23h 46m layover 4h 14m - San Francisco 5h 18m - Las Vegas	Iberia	IB3628 F91850 F91283
from $661 Find flight	15:35 London Luton	22:39+1 день Ontario Ontario Int.	39h 4m layover 22h 15m - Reykjavik 3h 5m - Seattle	EasyJet	U22645 FI681 AS1003
from $666 Find flight	19:50 London Heathrow	14:44+1 день Ontario Ontario Int.	26h 54m layover 9h 4m - New York 2h 38m - Las Vegas	Iberia	IB3567 F93237 F92231
from $671 Find flight	11:00 London Stansted	06:30+1 день Ontario Ontario Int.	27h 30m layover 2h 50m - Reykjavik 11h 6m - Denver	Air Onix	OG801 FI671 F91261
from $678 Find flight	16:25 London Heathrow	22:39+1 день Ontario Ontario Int.	38h 14m layover 19h 54m - Newark 1h 15m - Seattle	British Airways	BA189 AS281 AS1003
from $678 Find flight	20:40 London Heathrow	17:28+2 дня Ontario Ontario Int.	52h 48m layover 17h 0m - Reykjavik 21h 59m - Denver	Icelandair	FI455 FI671 F91497

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on December 23, 2024

Flight Schedule London to Ontario (California)

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	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 — 18:01	09:25 — 13:50 BA1520 British Airways London — Dallas 2h 40m stop 17:19 — 18:33 BA2434 British Airways Dallas — Ontario	16h 36m including layover	Find flight from$1591
09:25 — 23:55	09:25 — 13:50 BA1520 British Airways London — Dallas 8h 35m stop 22:42 — 23:57 BA2432 British Airways Dallas — Ontario	22h 30m including layover	Find flight from$1591
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
10:40 — 23:55	10:40 — 15:00 BA193 British Airways London — Dallas 7h 30m stop 22:42 — 23:57 BA2432 British Airways Dallas — Ontario	21h 15m including layover	Find flight from$1591
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
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
07:15 — 23:39	06:25 — 09:35 U22643 EasyJet London — Reykjavik 6h 30m stop 16:55 — 18:05 FI671 Icelandair Reykjavik — Denver 4h 15m stop 22:38 — 00:04 F91499 Frontier Airlines Denver — Ontario	24h 24m including layover	Find flight from$600
07:15 — 06:30 +1 day	07:15 — 10:25 U22643 EasyJet London — Reykjavik 6h 30m stop 16:55 — 18:05 FI671 Icelandair Reykjavik — Denver 11h 6m stop 05:11 — 06:30 F91261 Frontier Airlines Denver — Ontario	31h 15m including layover	Find flight from$645
11:00 — 06:30 +1 day	11:00 — 14:05 OG801 Air Onix London — Reykjavik 2h 50m stop 16:55 — 18:05 FI671 Icelandair Reykjavik — Denver 11h 6m stop 08:45 — 10:11 F91261 Frontier Airlines Denver — Ontario	27h 30m including layover	Find flight from$671
11:00 — 23:39	11:00 — 14:05 OG801 Air Onix London — Reykjavik 2h 50m stop 16:55 — 18:05 FI671 Icelandair Reykjavik — Denver 4h 15m stop 22:17 — 23:43 F91499 Frontier Airlines Denver — Ontario	20h 39m including layover	Find flight from$682
13:00 — 14:44 +1 day	13:00 — 15:50 Z0701 Z0 London — New York 16h 9m stop 07:59 — 10:55 F93237 Frontier Airlines New York — Las Vegas 2h 38m stop 13:51 — 15:02 F92231 Frontier Airlines Las Vegas — Ontario	33h 44m including layover	Find flight from$375
13:00 — 18:13 +1 day	13:00 — 15:50 Z0701 Z0 London — New York 19h 40m stop 11:30 — 14:58 AS31 Alaska Airlines New York — Seattle 42m stop 15:40 — 18:13 AS1086 Alaska Airlines Seattle — Ontario	37h 13m including layover	Find flight from$421
14:50 — 23:24 +1 day	14:50 — 16:40 WS19 WestJet London — Calgary 18h 20m stop 11:00 — 13:06 WS1508 WestJet Calgary — San Francisco 8h 53m stop 21:59 — 23:24 F92678 Frontier Airlines San Francisco — Ontario	40h 34m including layover	Find flight from$457
14:50 — 15:02 +1 day	14:50 — 16:50 WS19 WestJet London — Calgary 14h 35m stop 07:15 — 09:14 WS1460 WestJet Calgary — Las Vegas 4h 34m stop 18:55 — 19:59 F94205 Frontier Airlines Las Vegas — Ontario	32h 12m including layover	Find flight from$485
15:35 — 23:47 +1 day	15:35 — 18:50 U22645 EasyJet London — Reykjavik 22h 5m stop 16:55 — 18:05 FI671 Icelandair Reykjavik — Denver 4h 10m stop 22:38 — 00:04 F91499 Frontier Airlines Denver — Ontario	40h 12m including layover	Find flight from$588
15:35 — 17:28 +2 days	15:35 — 18:50 U22645 EasyJet London — Reykjavik 22h 5m stop 16:55 — 18:05 FI671 Icelandair Reykjavik — Denver 21h 59m stop 16:04 — 17:28 F91497 Frontier Airlines Denver — Ontario	57h 53m including layover	Find flight from$588
16:25 — 14:44 +1 day	16:25 — 19:35 BA189 British Airways London — New York 12h 24m stop 07:59 — 10:55 F93237 Frontier Airlines New York — Las Vegas 2h 38m stop 13:33 — 14:44 F92231 Frontier Airlines Las Vegas — Ontario	30h 19m including layover	Find flight from$601
16:25 — 22:39 +1 day	16:25 — 19:35 BA189 British Airways London — Newark 19h 54m stop 15:29 — 18:50 AS281 Alaska Airlines Newark — Seattle 1h 15m stop 20:05 — 22:39 AS1003 Alaska Airlines Seattle — Ontario	38h 14m including layover	Find flight from$678
19:50 — 14:44 +1 day	19:50 — 22:55 IB3567 Iberia London — New York 9h 4m stop 07:59 — 10:55 F93237 Frontier Airlines New York — Las Vegas 2h 38m stop 13:51 — 15:02 F92231 Frontier Airlines Las Vegas — Ontario	26h 54m including layover	Find flight from$666
20:40 — 17:28 +2 days	20:40 — 23:55 FI455 Icelandair London — Reykjavik 17h stop 16:55 — 18:05 FI671 Icelandair Reykjavik — Denver 21h 59m stop 16:04 — 17:28 F91497 Frontier Airlines Denver — Ontario	52h 48m including layover	Find flight from$678
20:40 — 23:47 +1 day	20:40 — 23:55 FI455 Icelandair London — Reykjavik 17h stop 16:55 — 18:05 FI671 Icelandair Reykjavik — Denver 4h 10m stop 22:38 — 00:04 F91499 Frontier Airlines Denver — Ontario	35h 7m including layover	Find flight from$679

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on December 23, 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 06:25 to 22:35 from 10 London airports and arrive 06:25 to 22:35 to 2 Ontario airports. Average flight time is 31h 4m.

The fastest flight 15h 5m
Average flight time 31h 4m
The earliest flight 06:25
The latest flight 22:35
Distance 5421 ml

The cheapest months to travel to Ontario are january (from 375 $), february (from 429 $), december (from 569 $).

The most expensive months are november (from 643 $), december (from 569 $), 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 24 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Air Canada - 22 departures per week at the price of from $ 1522 . 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 144 flights with layovers on the route. The fastest connecting flight is BA53 by British Airways takes 15h 5m and the cheapest is Z0701 by Z0 for $375.

W9 - Wizz Air UK

from $984

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AC - Air Canada

from $1522

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FI - Icelandair

from $678

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EI - Aer Lingus

from $798

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OS - Austrian Airlines

from $1692

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CI - China Airlines

from $1531

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EK - Emirates

from $1611

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MU - China Eastern

from $2331

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UA - United Airlines

from $1110

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D8 - Djibouti Airlines

from $805

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AV - Avianca

from $895

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CX - Cathay Pacific

from $1880

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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 $998
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London-Waterloo-QQW

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Heathrow-LHR

from $457
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Luton-LTN

from $588
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British Rail Terminal-ZLX

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London Biggin Hill-BQH

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Stansted-STN

from $671
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Gatwick-LGW

from $375
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Ebbsfleet International Rail St-XQE

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Stratford International Rail St-XOF

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Ontario airports

Ontario Int.-ONT

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International Heliport-JIO

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Airplanes

There are flights to Ontario from London by 24 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top International Destinations from London

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

London — New York

from $8544

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London — Orlando

from $79

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London — Los Angeles

from $313

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London — Chicago

from $70

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London — Miami

from $55

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London — Boston

from $75

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London — San Francisco

from $58

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London — Las Vegas

from $60

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London — Denver

from $59

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London — Houston

from $77

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How to book a plane ticket yourself?

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