Cheap flights from London Heathrow Airport to Ontario from £405
This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Ontario departing on 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise 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.Find the cheapest flights from London Heathrow Airport to Los Angeles
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Cheap bus & train deals from London Heathrow Airport to Los Angeles
All return flight deals from London Heathrow Airport to Los Angeles
United Airlines flights from London Heathrow Airport to Ontario
Our best United Airlines deals on London Heathrow Airport to Ontario flight tickets
British Airways flights from London Heathrow Airport to Ontario
Our best British Airways deals on London Heathrow Airport to Ontario flight tickets
See travel insights to Los Angeles from
How to get the cheapest flight ticket from London Heathrow Airport to Ontario
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 typical price of a round-trip flight between London Heathrow Airport and Ontario?
What is the cheapest month to fly to Ontario?
The month of February is, on average, the cheapest month to fly to Ontario from London Heathrow Airport, with most prices found around £475. If you’re not able to fly to Ontario in February, then September is your next best option. Flight prices from London Heathrow Airport to Ontario during September average around £515.
What is the cheapest day to depart on your flight to Ontario?
The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as £538. This is often the case because there is less demand to fly during this day of the week. Flights from London Heathrow Airport to Ontario on a Sunday will generally be more expensive and average around £622. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Ontario?
Flying to Ontario from London Heathrow Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £526 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Ontario is at midday when prices are around £618.
How far in advance should I book a flight to Ontario?
You are more likely to see cheaper flights to Ontario from London Heathrow Airport when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around £608 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from London Heathrow Airport for as low as £424 on momondo.
What is the cheapest airline that flies from London Heathrow to Ontario?
Iberia, Finnair, and Lufthansa are the most popular carriers operating from London Heathrow to Ontario
Which airlines fly to Ontario?
Virgin Atlantic, British Airways and Lufthansa are the top three most popular airlines that fly to Ontario from London Heathrow Airport according to our data. Virgin Atlantic is the first choice among our users, with 32% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 23 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.
When to book flights from London Heathrow Airport to Ontario
Cheap London Heathrow Airport to Ontario (LHR to ONT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Ontario
How far is London Heathrow to Ontario by plane?
Ontario is 5408.1 mi away from London Heathrow. By plane, this route typically takes 13h 27m.
When did momondo last update prices for flights from London Heathrow Airport to Ontario Airport?
Prices for flights from London Heathrow Airport to Ontario Airport were last updated today.
How many operators does momondo search for flights from London Heathrow Airport to Ontario Airport?
The number of operators available for flights from London Heathrow Airport to Ontario Airport is 5 as of January 2025.
How old do you have to be to fly from London Heathrow Airport to Ontario 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 London Heathrow Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London Heathrow Airport to Ontario?
momondo data reveals that the most frequently booked airline on the route from London Heathrow Airport to Ontario is British Airways, representing 35% of all bookings. The subsequent popular airlines are Virgin Atlantic at 24%, Finnair at 19%, and Lufthansa at 12%.
Best airlines flying from London Heathrow Airport to Ontario
Compare and see reviews for airlines that fly from London Heathrow Airport to Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £407 | Free Cancellation | Rating 7.5 664 reviews | |||
| PriceFrom £447 | Free Cancellation | Rating 6.6 6,824 reviews | |||
| PriceFrom £448 | Free Cancellation | Rating 7.6 1,285 reviews | |||
| PriceFrom £483 | Free Cancellation | Rating 6.7 7,094 reviews | |||
| PriceFrom £550 | Free Cancellation | Rating 7.4 8,969 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Ontario?
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 from London.
Can I find flights from London to Ontario with flexible booking policies on momondo?
Flights from London to Ontario 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 London to Ontario?
Once you have performed a search for London to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from London to Ontario right now. Can momondo alert me if prices change?
Price alerts on flights to Ontario from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.