Popular airlines to Ontario

  • WestJet

  • Air Canada

  • Porter Airlines

  • Air Transat

  • Delta

  • American Airlines

  • United

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Cheap round-trip flights to Ontario

Prices were available within the past 7 days and start at £284 for one-way flights and £354 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Wed, 1 Jul - Thu, 9 Jul
LCY
London
XDS
Ottawa
£427 Return, found 2 hours ago
£427
Return
found 2 hours ago
Select KLM flight, departing Wed, 1 Jul from London to Ottawa, returning Thu, 9 Jul, priced at £427 found 2 hours ago
KLM
Mon, 6 Jul - Thu, 16 Jul
LCY
London
XDS
Ottawa
£431 Return, found 9 hours ago
£431
Return
found 9 hours ago
Select KLM flight, departing Mon, 6 Jul from London to Ottawa, returning Thu, 16 Jul, priced at £431 found 9 hours ago
Swiss International Air Lines
Thu, 18 Feb - Mon, 1 Mar
LCY
London
YTZ
Toronto
£432 Return, found 2 hours ago
£432
Return
found 2 hours ago
Select Swiss International Air Lines flight, departing Thu, 18 Feb from London to Toronto, returning Mon, 1 Mar, priced at £432 found 2 hours ago
Swiss International Air Lines
Thu, 29 Oct - Tue, 3 Nov
LCY
London
YYZ
Toronto
£434 Return, just found
£434
Return
just found
Select Swiss International Air Lines flight, departing Thu, 29 Oct from London to Toronto, returning Tue, 3 Nov, priced at £434 just found
KLM
Mon, 13 Jul - Mon, 20 Jul
LCY
London
XDS
Ottawa
£436 Return, found 14 hours ago
£436
Return
found 14 hours ago
Select KLM flight, departing Mon, 13 Jul from London to Ottawa, returning Mon, 20 Jul, priced at £436 found 14 hours ago
British Airways
Thu, 29 Oct - Mon, 9 Nov
LCY
London
YYZ
Toronto
£442 Return, just found
£442
Return
just found
Select British Airways flight, departing Thu, 29 Oct from London to Toronto, returning Mon, 9 Nov, priced at £442 just found
Lufthansa
Thu, 15 Oct - Sun, 18 Oct
LCY
London
YYZ
Toronto
£443 Return, just found
£443
Return
just found
Select Lufthansa flight, departing Thu, 15 Oct from London to Toronto, returning Sun, 18 Oct, priced at £443 just found
KLM
Tue, 7 Jul - Sun, 12 Jul
LCY
London
YOW
Ottawa
£444 Return, found 16 hours ago
£444
Return
found 16 hours ago
Select KLM flight, departing Tue, 7 Jul from London to Ottawa, returning Sun, 12 Jul, priced at £444 found 16 hours ago
Swiss International Air Lines
Wed, 26 Aug - Sun, 6 Sept
LCY
London
YHM
Hamilton
£455 Return, found 9 hours ago
£455
Return
found 9 hours ago
Select Swiss International Air Lines flight, departing Wed, 26 Aug from London to Hamilton, returning Sun, 6 Sept, priced at £455 found 9 hours ago
Air Dolomiti
Thu, 18 Feb - Mon, 1 Mar
LCY
London
YKF
Kitchener
£460 Return, found 2 hours ago
£460
Return
found 2 hours ago
Select Air Dolomiti flight, departing Thu, 18 Feb from London to Kitchener, returning Mon, 1 Mar, priced at £460 found 2 hours ago

Airports in Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Pearson Intl. YYZ. Cheapest option available. Flights from £633
YYZ
Pearson Intl.
Cheapest
Flights from £633

Trending flights to Ontario

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Sat, 31 Oct - Fri, 6 Nov
LHR
London
YYZ
Toronto
£354 Return, found 7 hours ago
£354
Return
found 7 hours ago
Select Aer Lingus flight, departing Sat, 31 Oct from London to Toronto, returning Fri, 6 Nov, priced at £354 found 7 hours ago

Frequently asked questions

How do I find cheap flights to Ontario that have flexible change policies?
At Expedia, we've been channeling our inner contortionist to help you locate the most flexible fares around town. Just check the "No change fee" box directly below the "Flexible change policies" filter to find your perfect flight to Ontario.
Which airlines fly to Ontario?
When you're ready to reserve your ticket to or near Ontario, these popular airlines look forward to welcoming you aboard:

  • Air Canada - 3,335 flights to or near Ontario each month, including 3,274 flights to Pearson Intl. Airport (YYZ) per month.
  • United Airlines - 893 flights to or near Ontario each month, including 685 flights to Pearson Intl. Airport (YYZ) per month.
  • American Airlines - 781 flights to or near Ontario each month, including 781 flights to Pearson Intl. Airport (YYZ) per month.

How can I find cheap tickets to Ontario?
A great strategy for scoring cheap airfares is to be flexible with your travel dates. Start by searching for your flight to Ontario, then click on the "flexible dates" link to see prices for nearby days. Another useful tip? Book well ahead. To give you an idea of fares, £354 was the lowest price for a flight to Ontario in the last seven days.
How much is a flight to Ontario?
If you were travelling one way from London (LCY), you could've snapped up a cheap seat for £284 in the last seven days. Return flights to Ontario ranged from £354 to £460 during this same period.
What are the most popular airports to fly into in Ontario?
Where you're taking off from and your chosen carrier will help determine which of these busy Ontario airports you'll jet into:

  • Pearson Intl. Airport (YYZ) - 5,525 flights per month.
  • Billy Bishop Toronto City Airport (YTZ) - 560 flights per month.
  • Macdonald-Cartier Intl. Airport (YOW) - 355 flights per month.

When is the cheapest time to fly to Ontario?
Taking off on a Tuesday, followed by a Monday, is usually the best way to nab the cheapest fare. Stay away from the weekends if possible, because Saturday is typically the most expensive day. Spend the funds you saved having a ball in Ontario instead!
How much is a plane ticket to Ontario?
In the last seven days, plane tickets to Ontario varied from £354 to £460.
What is the best time to go to Ontario?
Summer begins June 20 in the Northern Hemisphere, and these warmer months are an excellent time to check out the thrilling Ontario city of Toronto. Average temperatures range between 18ºC and 24ºC throughout this season. The biggest crowds are found here in June, July and August.
What months are the cheapest to book a flight to Ontario?
To snap up a great deal to Ontario, book sometime in February when the price of tickets are at their lowest. When's the most expensive time? In the United States, it's the month of December.

Book with confidence

Top tips for booking flights to Ontario from UK

Get ready to fly to Ontario

Prepare your luggage and book your flights to Ontario with Expedia. We offer a seamless flight booking experience, with a wide range of Ontario plane tickets to choose from. If you need help finding some of the best deals for cheap flights to Ontario in 2026, we are always available to assist you. Book your flights to Ontario today and let the adventure begin!

Find the best tickets to Ontario

To find some of the best tickets to Ontario in 2026, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to Ontario or last-minute flights to Ontario, you can filter and sort your search results, making it easy to find the ideal flight to Ontario.

Airlines fly to Ontario

There are 20 different airlines that fly to Ontario including some of the most trusted names in the business. To book flights to Ontario with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best Ontario plane tickets.

Find the cheapest flights to Ontario

By booking early you may find some of the best deals for Ontario flights from the UK, including Ontario direct flights. You can usually find affordable and cheap flights to Ontario, whether one-way from £284 or round-trip from £354, with Expedia if you book your trip far enough in advance.

Find the best airports for cheap flights to Ontario

Try searching for different Ontario airports with Expedia to find some of the cheapest flights to Ontario. Flights from London (LCY) to Toronto (YYZ) usually have the lowest price from £284.

Why book your flights to Ontario with Expedia

Expedia offers great deals on Ontario air fares from £284 to cater to every budget. Not only is Expedia one of the top platforms to book flights to Ontario from the UK, it is also your one-stop shop for booking hotels, car rentals, and more.

 

*Prices and availability are subject to change. Additional terms apply.

Top tips for booking flights to Ontario from UK

Travel information

Ontario Flights Information

Airlines serving
Swiss International Air Lines, Lufthansa, British Airways, Virgin Atlantic, KLM, Delta, Air Dolomiti
Roundtrip price
from £354
Ontario Flights Information

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