Question 1

What is the cheapest flight from London to Ontario?

Accepted Answer

In the last 3 days, the lowest price for a flight from London to Ontario was $239 for a one-way ticket and $645 for a round-trip. <a href='/flight-routes/London-YXU/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 2

Do I need a passport to fly between London and Ontario?

Accepted Answer

Yes, you’ll need a passport to travel to Ontario from London. <a href='/flight-routes/London-YXU/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 3

Which airports will I be using when flying from London to Ontario?

Accepted Answer

When flying out of London you will be using London. You will be landing at Ontario, also known as Ontario. <a href='/flight-routes/London-YXU/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 4

Which aircraft models fly most regularly from London to Ontario?

Accepted Answer

We unfortunately don’t have that data for this specific route.

Question 5

Which airline alliances offer flights from London to Ontario?

Accepted Answer

Star Alliance is the only airline alliance operating flights between London and Ontario.

Question 6

How does KAYAK find such low prices on flights from London to Ontario?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Ontario. <a href='/flight-routes/London-YXU/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 7

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Ontario?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from London is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/London-YXU/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 8

What is the Hacker Fare option on flights from London to Ontario?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to London with another airline. Booking your flights between London and ONT can sometimes prove cheaper using this method. <a href='/flight-routes/London-YXU/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 9

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Ontario?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/London-YXU/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 10

Which airlines provide the cheapest flights from London to Ontario?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from London to Ontario were found on WestJet ($645) and United Airlines ($654).

Question 11

Which airlines provide the cheapest flights from London to Ontario?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from London to Ontario were found on WestJet ($645) and United Airlines ($654).

Question 12

What are the most popular airlines flying to Ontario?

Accepted Answer

The most popular airline among KAYAK users flying to Ontario is Porter Airlines, followed by Air Canada and WestJet.

YXU - ONT

$239 Find Cheap Flights from London to Ontario

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

Cheap Flights from London to Ontario (YXU-ONT)

Recent round-trip flight deals from London to Ontario

Recent one-way flight deals from London to Ontario

Everything you should know

KAYAK's insights & trends for London to Ontario flights

Get data-powered insights and trends into flights from London to Ontario to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from London to Ontario?

In the past 3 days, the cheapest round-trip tickets from London to Ontario were found on WestJet ($645) and United Airlines ($654).

Good to know

When to book flights from London to Ontario

FAQs for booking flights from London to Ontario

What is the cheapest flight from London to Ontario?

In the last 3 days, the lowest price for a flight from London to Ontario was $239 for a one-way ticket and $645 for a round-trip.

Do I need a passport to fly between London and Ontario?

Yes, you’ll need a passport to travel to Ontario from London.

Which airports will I be using when flying from London to Ontario?

When flying out of London you will be using London. You will be landing at Ontario, also known as Ontario.

Which aircraft models fly most regularly from London to Ontario?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from London to Ontario?

Star Alliance is the only airline alliance operating flights between London and Ontario.

How does KAYAK find such low prices on flights from London to Ontario?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Ontario.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Ontario?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from London is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from London to Ontario?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to London with another airline. Booking your flights between London and ONT can sometimes prove cheaper using this method.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Ontario?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from London to Ontario

Information on your arrival and departure airports

Cabin class types available on flights from London to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Find direct flights to and from London and Ontario

Flights to other popular destinations

Flights from domestic origins to Ontario

Choose which airport to fly into in Ontario