Save money when you book flights with momondo
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
KLM flights from London Heathrow Airport to Ontario
Our best KLM deals on London Heathrow Airport to Ontario flight tickets
Delta flights from London Heathrow Airport to Ontario
Our best Delta 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 cheapest month to fly to Ontario?
If you don’t want to visit Ontario in February, then you should wait until April to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of €569.
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 €627 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 €450 on momondo.
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?
There are 8703.4 km between London Heathrow and Ontario. Flights usually cover this in 13h 17m, depending on flying conditions and air traffic around both airports.
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 are refreshed on a daily basis.
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 necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Why use momondo?
Why should I use momondo to find a flight deal from London to Ontario?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Ontario for you.
Can I find flights from London to Ontario with flexible booking policies on momondo?
momondo does allow users to show only those flights to Ontario from London which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from London to Ontario?
momondo helps you find the best flight between London and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from London to Ontario right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Ontario from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.