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Not ready to book? to track prices.Find the cheapest flights from London, Ontario to California
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United Airlines flights from London, Ontario to California
Our best United Airlines deals on London, Ontario to California flight tickets
WestJet flights from London, Ontario to California
Our best WestJet deals on London, Ontario to California flight tickets
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How to get the cheapest flight ticket from London, Ontario to California
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 California?
The month of March is another great option to travel to California, with average flight prices from London, Ontario averaging around $305.
How far in advance should I book a flight to California?
You are more likely to see cheaper flights to California from London, Ontario when booking 8 weeks ahead of your departure date. In general, you can expect to find flights to California for around $385 when searching 8 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from London, Ontario for as low as $272 on momondo.
What is the cheapest airline that flies from London to California?
Air Canada, United Airlines, and WestJet are the most popular carriers operating from London to California
What airlines fly to California?
Air Canada, Porter Airlines and WestJet are the top three most popular airlines that fly to California from London, Ontario according to our data. Air Canada is the first choice among our users, with 42% of people opting to fly with this airline when traveling to California. Keep in mind that there are 7 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.
Cheap London, Ontario to California flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London, Ontario to California
When did momondo last update prices for flights from London Airport to California?
Prices for flights from London Airport to California were last updated today.
How many operators does momondo search for flights from London Airport to California?
As of May 2025, there is 1 operator available to choose from for flights from London Airport to California.
How old do you have to be to fly from London Airport to California?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to California.
What documentation or ID do you need to fly to California?
The travel and health documents required for your trip to California can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Why use momondo?
Why should I use momondo to find a flight deal from London to California?
It is quick and easy to find London to California flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to California that suits you.
Can I find flights from London to California with flexible booking policies on momondo?
All flight searches from London to California on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from London to California?
momondo helps you find the best flight between London and California 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 California right now. Can momondo alert me if prices change?
Price alerts on flights to California 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.