Find cheap flights to Ontario

1 adult
Wed 29/6
Wed 6/7

Deals available from 900+ travel sites.

About Flights to Ontario

Summary info about Ontario flight prices, duration and airlines

Best One-Way Price


Best Return Price


Fastest flight time

16h 54m

Operated By

8 airlines
The best one-way flight price to Ontario from United Kingdom in the last 72 hours is £484 (London Gatwick to Ontario).
The best return flight price to Ontario from United Kingdom in the last 72 hours is £428 (London Heathrow to Ontario).
The fastest flight to Ontario from United Kingdom takes 16h 54m (London Gatwick to Ontario).
There are 8 airlines operating flights to Ontario, including American Airlines, United Airlines and JetBlue.

Cheapest flights to Ontario airports

Find the cheapest flights to these Ontario airports from your nearest city or airport
London Heathrow Airport


London City Airport (LCY) to Los Angeles (LAX)

Typically, flights to Ontario from London are cheaper when flying from London City to Los Angeles, which has an average price of £521

CHEAPEST MONTH TO FLY TO ONTARIO FROM LONDON HEATHROW AIRPORTNovember21% cheaperFlying from London Heathrow Airport to Ontario costs on average just £519 in November
MOST EXPENSIVE MONTH TO FLY TO ONTARIO FROM LONDON HEATHROW AIRPORTJuly95% more expensiveIt costs about £1,290 for flights to Ontario from London Heathrow Airport in July
MOST POPULAR MONTH TO FLY TO ONTARIO FROM LONDON HEATHROW AIRPORTMay590% more users visitedMore momondo users searched in flights to Ontario from London Heathrow Airport in May than any other month

When is the best time to fly to Ontario?

The best deal found on momondo in the last two weeks was a flight to Ontario from Las Vegas for £38. This is 96% cheaper than most flight deals to Ontario. To find the cheapest price to Ontario from your area, use momondo’s Airport-to-Airport Pricing Tool.

The month of February is, on average, the cheapest month to fly to Ontario from United Kingdom, with most prices found around £471. If you’re not able to fly to Ontario in February, then January is your next best option. Flight prices from United Kingdom to Ontario during January average around £493.

Most flyers found that booking tickets 60 days in advance of their planned departure date is the best time to get cheap flights to Ontario. During this timeframe, flight prices are around £596. However, in the past 72 hours, people saw flights from United Kingdom for as low as £428.

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as £563. This is often the case because there is less demand to fly during this day of the week. Flights from United Kingdom to Ontario on a Friday will generally be more expensive and average around £742. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Flying to Ontario from United Kingdom in the morning is the least expensive time of day to depart. momondo users have found prices as low as £618 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to Ontario is in the evening when prices are around £857.

During the warmer months, hikers around the Ontario area find that parks like Los Angeles State Historic Park are the best for taking long walks with their families and/or pets. Those looking for this type of experience are likely best suited to fly to Ontario in January, February, or March.

San Bernardino Int Airport, Santa Ana J. Wayne/Orange Cnty Airport, Long Beach Municipal Airport, Burbank Bob Hope Airport or Los Angeles Airport can be an alternative airport used for travel to Ontario.

The cheapest airport near Ontario is typically Burbank Bob Hope Airport, with an average price of £560/person. These prices vary based on where travellers are coming from. It is suggested that travellers looking to save money try momondo’s Airport-to-Airport Pricing Tool.

Ontario flight deals found on momondo

Check out some of the best fares from airports in United Kingdom to Ontario found recently by users on momondo
British Airways
8 Nov
LHR04:05London Heathrow
13h 43m
1 stop
15 Nov
12h 20m
1 stop
LHR20:40London Heathrow
United Airlines
2 Nov
LHR05:20London Heathrow
15h 15m
1 stop
9 Nov
12h 40m
1 stop
LHR20:40London Heathrow
Multiple Airlines
24 Nov
LHR09:15London Heathrow
15h 09m
1 stop
7 Dec
22h 26m
1 stop
LHR17:50London Heathrow
Multiple Airlines
30 Nov
LHR07:15London Heathrow
15h 56m
1 stop
23 Feb
14h 01m
1 stop
LHR17:50London Heathrow
Virgin Atlantic
1 Dec
LHR05:50London Heathrow
15h 40m
1 stop
11 Dec
34h 17m
1 stop
LHR18:05London Heathrow
Virgin Atlantic
26 Oct
LHR11:25London Heathrow
16h 19m
1 stop
2 Nov
18h 30m
1 stop
LHR01:30London Heathrow

Find the cheapest one-way flights to Ontario

If you're looking for one-way flights from United Kingdom to Ontario, view some of our deals below provided by JetBlue and KLM
Multiple Airlines
11 Aug
LGW16:45London Gatwick
42h 20m
3 stops
3 Nov
EDI01:50Edinburgh Turnhouse
18h 21m
2 stops
6 Sep
GLA06:45Glasgow Intl
19h 43m
2 stops

Which airlines fly to Ontario?

Here you can see a selection of the most popular and cheapest airlines for flights to Ontario

Which airlines fly to Ontario?

There may be other airlines that fly to Ontario from United Kingdom, but the most popular among our users are British Airways, KLM, United Airlines and Virgin Atlantic. These airlines should offer flights to Ontario on a routine basis if you’re flying from one of the more popular airports in United Kingdom.

Virgin Atlantic Flights to Ontario

Virgin Atlantic is a popular choice for users travelling to Ontario. It operates 7 flights every week to Ontario, most often flying from Seattle/Tacoma Intl. Virgin Atlantic ticket prices will depend on when and where you need to fly from - deals as low as £549 (from London Heathrow) have been found by momondo users. In 63 reviews, momondo users have rated Virgin Atlantic at an average score of 7.9/10.

KLM Flights to Ontario

KLM flights to Ontario can start from as low as £451 (round-trip, from Edinburgh Turnhouse, found in the last 72 hours). Over 14 flights that KLM operates to Ontario in a normal week, prices can vary significantly. The most popular KLM flight to Ontario is from Seattle/Tacoma Intl. KLM has been rated 7.7/10 by momondo users, in 133 reviews.

Popular routes to Ontario

Most frequently searched flights to Ontario along with the cheapest price and shortest flight duration
London to Ontario Flights
Fastest flight time13h 43m
Cheapest price£428
Manchester to Ontario Flights
Fastest flight time16h 36m
Cheapest price£528
Glasgow to Ontario Flights
Fastest flight time17h 45m
Cheapest price£663
Edinburgh to Ontario Flights
Fastest flight time18h 47m
Cheapest price£833
Newcastle upon Tyne to Ontario Flights
Fastest flight time17h 52m
Cheapest price£671
Leeds to Ontario Flights
Fastest flight time17h 40m
Cheapest price£763
New York to Ontario Flights
Fastest flight time7h 46m
Cheapest price£479
Aberdeen to Ontario Flights
Fastest flight time30h 40m
Cheapest price£2,861
Copenhagen to Ontario Flights
Fastest flight time17h 30m
Cheapest price£1,434
Belfast to Ontario Flights
Fastest flight time20h 40m
Cheapest price£904

Start planning your trip to Ontario

Why use momondo?

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 Ontario.

Yes. momondo allows you to filter the results for flights to Ontario to just show those with flexible booking policies.

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario and alert you when they change.

Here's why travellers choose to use momondo
Flexible Travel
momondo understands the need for flexibility and we have a filter specifically for flights with no change fees.
Expert Insights
Data driven insights designed to help you find a great flight deal. From the cheapest time to depart to how far in advance to book.
Price Alerts
Track the price of your preferred flight route and be notified when it changes.