Find Cheap Flights from London (LON) to Ontario (QLA) from £440

Many airlines offer flexible change policies

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Selected flight deals from London to Ontario

The lowest prices found within the past 7 days from London to Ontario were £708 for one-way flights and £440 for return flights, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cheap Flights from London to Ontario & Flight Information
Origin airport IATA code
LHR
Destination airport IATA code
ONT
Return price
£439

Best Day to Book Flight from London to Ontario

Ontario Flight Information

Traveling From
London
Origin Airport IATA Code
LON
Traveling To
Ontario
Destination Airport IATA Code
QLA
Number of Airlines Serving
Available Airlines
Delta, Lufthansa, Air Dolomiti, Virgin Atlantic
Distance
Direct Flight Time
Flight Price
£440

Frequently asked questions

What are the best airports for London to Ontario flights?
As there are several ways to get by plane from London to Ontario, we thought you might be curious to know which routes are the most frequently flown:

  • Heathrow Airport to John Wayne Airport (SNA) - 110 flights per week
  • Heathrow Airport to Los Angeles - Ontario Intl. Airport (ONT) - 59 flights per week
  • London (LHR-Heathrow) to Long Beach Municipal Airport (LGB) - 7 flights per week

What are some of the most popular airlines flying from London to Ontario?
After incredible airline food? Or friendly service? While you’ll find multiple airlines advertising flights from London to Ontario, choosing one of these sought-after air carriers will ensure you begin your much-needed getaway on the right foot.

  • American Airlines with 234 flights every month.
  • United Airlines with 190 flights every month.
  • British Airways with 121 flights every month.
  • JetBlue with 91 flights every month.
  • Virgin Atlantic with 91 flights every month.
  • Delta with 60 flights every month.

How many flights are there from London to Ontario?
There are around 16 flights which operate every day from London to Ontario. You might like to remember this the next time you catch yourself dreaming of a holiday.
What are the cheapest days to book a flight?
This is one is easy to remember: Ticket Thursdays. We found that tickets booked on a Thursday resulted in the best deal on average in 2021. However, Friday can be the worst day to purchase plane tickets, as it was the day with the highest average ticket price based on flight demand on ebookers in 2021.
What are the cheapest days to fly?
When analysing flight demand on ebookers in 2021, Friday turned out to be the cheapest day to fly, with Tuesday as a close second. That’s definitely something to consider when booking your next trip! Thinking of traveling mid-week? It turns out that Wednesdays generally had the most expensive airline tickets, so keep this in mind when planning for your next trip.*According to flight demand on ebookers.com from January to December 2021. Savings are subject to change and may vary depending on selections made.

Fly from London to Ontario with ebookers

Cheap flights from London to Ontario 

Our advanced search tools and comprehensive filters help you find a flight that fits your budget. To search for cheap flights, just enter your travel dates and sort your results by price. With all available tickets listed lowest price first, it’s easy to select the one that’s easiest on your wallet.  

To find the cheapest flights from London to Ontario, you can also travel outside peak season. The more flexible you can be on travel dates, the easier it is to find those cheap flight tickets. We know, for example, that the cheapest time to travel between London to Ontario is September. In the current list of deals available, prices start at £440 and can rise to £834 for return flights.  

Find the best flight from London to Ontario  

Every day between London and Ontario,  flights from airlines jet back and forth. And with ebookers, you can book tickets for any one of those flights. If you book a direct flight with , you’ll arrive safely in your destination in around hours. If you can think of a quicker way to cover the between null and null, let us know! 

Flights from London to Ontario — a great choice on great deals 

We only need a little information to give you a lot of choice. Just tell us when you’re planning your family holiday, long weekend, luxury getaway or quick business trip, and we’ll do the rest. And to keep your choice-making easy, we’ve given you plenty of ways to narrow down your search. Choose one-way, roundtrip or multi city flights, select your preferred airline, your time of arrival and departure and cabin class using the filters.  

Once you’ve told us what you want, we’ll show you what’s on offer. All you need to do is take your pick and start packing.  

Book your flights with ebookers 

We want the experience of booking your flight from London to Ontario to be as simple as possible. That’s why we designed our search and filter options to make your life easy. Whether you are travelling on business or for pleasure, ebookers has you covered. 

When you’re ready to book, our service is always fast and transparent. We know plans change, so we have a range of flexible booking options. Choose between refundable bookings and flights with no charges should you need to rearrange and travel stress-free. 

Need a car after flight from London to Ontario

Place to stay after flight from London to Ontario

Ontario Airport Hotel & Conference Center

Ontario Airport Hotel & Conference Center

3.5 out of 5
700 N Haven Ave, Ontario, CA
Stay at this business-friendly hotel in Ontario. Enjoy free Wi-Fi, free parking and breakfast (surcharge). Our guests praise the helpful staff and the clean ...
8.4/10 Very Good! (2,343 reviews)
"Great and convenient location. My only downside was the lack of vending machines for water or snacks"

Reviewed on 20 May 2024

Ontario Airport Hotel & Conference Center
Azure Hotel & Suites, Trademark Collection by Wyndham

Azure Hotel & Suites, Trademark Collection by Wyndham

3 out of 5
1945 E. Holt Blvd, Ontario, CA
Stay at this 3-star business-friendly hotel in Ontario. Enjoy free breakfast, free Wi-Fi and free parking. Our guests praise the helpful staff and the convenient ...
8/10 Very Good! (1,385 reviews)
"Very nice clean quite close to where we needed to go and get too"

Reviewed on 23 May 2024

Azure Hotel & Suites, Trademark Collection by Wyndham
Ontario Airport Inn

Ontario Airport Inn

2.5 out of 5
1801 E G St, Ontario, CA
Stay at this business-friendly hotel in Ontario. Enjoy free breakfast, free Wi-Fi and free parking. Our guests praise the pool and the helpful staff in their ...
8/10 Very Good! (1,024 reviews)
"Very very nice place to stay wonderful landscaping"

Reviewed on 23 May 2024

Ontario Airport Inn
Save an average of 15% on thousands of hotels when you're signed in
La Quinta Inn & Suites by Wyndham Ontario Airport

La Quinta Inn & Suites by Wyndham Ontario Airport

3 out of 5
3555 Inland Empire Blvd, Ontario, CA
Stay at this 3-star business-friendly hotel in Ontario. Enjoy free breakfast, free Wi-Fi and free parking. Our guests praise the breakfast and the helpful staff ...
8.2/10 Very Good! (1,309 reviews)
"Great , clean and comfortable."

Reviewed on 22 May 2024

La Quinta Inn & Suites by Wyndham Ontario Airport
Hotel Seville

Hotel Seville

2 out of 5
2441 S Euclid Ave, Ontario, CA
Stay at this hotel in Ontario. Enjoy free Wi-Fi, free parking and a 24-hour front desk. Our guests praise the breakfast and the helpful staff in their reviews. ...
8.4/10 Very Good! (1,002 reviews)
"Great friendly staff and house keeping is the best...."

Reviewed on 17 May 2024

Hotel Seville
DoubleTree by Hilton Ontario Airport

DoubleTree by Hilton Ontario Airport

4 out of 5
222 N Vineyard Ave, Ontario, CA
Stay at this business-friendly hotel in Ontario. Enjoy free Wi-Fi, 2 restaurants and a nightclub. Our guests praise the restaurant and the helpful staff in their ...
7.8/10 Good! (1,006 reviews)
Great Place to stay!
"Amazing look and feel. Great staff and rooms were nice, spacious and very clean!"

Reviewed on 21 May 2024

DoubleTree by Hilton Ontario Airport
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Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

*Savings based on all holiday package bookings with Flight + Hotel on ebookers.com from January 2017 to December 2017, as compared to the price of the same components booked separately. Savings will vary based on origin/destination, length of trip, stay dates and selected travel supplier(s). Savings not available on all packages. For Free Flight or 100% Off Flight deals, package savings is greater than or equal to the current cost of one component, when both are priced separately.

Fare, taxes & fees: Fares were found on ebookers.com and are updated daily. They include all taxes and fees, except baggage fees.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a £25.00 / 45.00 Euro service fee charged by ebookers, plus any airline fare and tax increase that may be applicable.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.