€301 Cheap flights to Ontario
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Ontario departing on 24/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
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.Recent flights found to popular cities in Ontario
Find flights to these popular cities in Ontario from your nearest airport.
Flights to Toronto
Search all flight deals to TorontoFlights to Ottawa
Search all flight deals to OttawaFlights to London, Ontario
Search all flight deals to London, OntarioFind the cheapest flights from Ireland to Ontario
Recent return flight deals from Ireland to Ontario
Recent one-way flight deals from Ireland to Ontario
Recent last minute flight deals from Ireland to Ontario
Recent direct flight deals from Ireland to Ontario
momondo Fare Finder
Use the filters below to find and compare flights to Ontario that are best for you.
Fly from
Route
Depart
Return
DublinToronto
DUB Dublin - YYZ Toronto Pearson Intl
DUBYYZ
Dublin
Sun 24/1
11:30-18:15
1 stop11h 45m
Toronto Pearson Intl
Mon 1/2
19:40-10:15
1 stop9h 35m
DublinToronto
DUB Dublin - YYZ Toronto Pearson Intl
DUBYYZ
Dublin
Mon 1/2
11:30-18:15
1 stop11h 45m
Toronto Pearson Intl
Sun 7/2
19:40-10:15
1 stop9h 35m
DublinToronto
DUB Dublin - YYZ Toronto Pearson Intl
DUBYYZ
Dublin
Thu 5/11
05:10-19:45
1 stop19h 35m
Toronto Pearson Intl
Wed 11/11
19:45-07:10
Nonstop6h 25m
DublinToronto
DUB Dublin - YYZ Toronto Pearson Intl
DUBYYZ
Dublin
Thu 5/11
05:10-13:00
1 stop12h 50m
Toronto Pearson Intl
Wed 11/11
18:15-16:30
1 stop17h 15m
DublinToronto
DUB Dublin - YYZ Toronto Pearson Intl
DUBYYZ
Dublin
Thu 29/10
08:00-11:10
Nonstop7h 10m
Toronto Pearson Intl
Wed 4/11
19:45-07:10
Nonstop6h 25m
DublinToronto
DUB Dublin - YYZ Toronto Pearson Intl
DUBYYZ
Dublin
Thu 5/11
09:00-11:10
Nonstop7h 10m
Toronto Pearson Intl
Wed 11/11
19:45-07:10
Nonstop6h 25m
DublinToronto
DUB Dublin - YYZ Toronto Pearson Intl
DUBYYZ
Dublin
Tue 6/4
10:40-13:20
Nonstop7h 40m
Toronto Pearson Intl
Fri 30/4
22:10-10:00
Nonstop6h 50m
DublinToronto
DUB Dublin - YYZ Toronto Pearson Intl
DUBYYZ
Dublin
Sat 10/4
10:40-13:20
Nonstop7h 40m
Toronto Pearson Intl
Sun 2/5
21:35-09:20
Nonstop6h 45m
DublinToronto
DUB Dublin - YYZ Toronto Pearson Intl
DUBYYZ
Dublin
Fri 18/12
13:05-15:50
Nonstop7h 45m
Toronto Pearson Intl
Mon 4/1
17:20-05:10
Nonstop6h 50m
DublinToronto
DUB Dublin - YYZ Toronto Pearson Intl
DUBYYZ
Dublin
Sun 13/12
13:05-15:50
Nonstop7h 45m
Toronto Pearson Intl
Tue 5/1
17:20-05:10
Nonstop6h 50m
See travel insights to Ontario from
Ontario flights insights and trends
Explore insights for your Ontario flight to craft the best travel plan
What is the cheapest flight I can find to Region of Ontario?
Flights to Region of Ontario vary based on month, airline, when you book, where you are departing from and many more variables, but on average momondo users can expect to spend about €643/pp. The absolute cheapest flight to Region of Ontario is €72/pp
See prices from:
What is the cheapest day to depart on your flight to Region of Ontario?
Our data shows that Tuesday is the least expensive day to fly to Region of Ontario. Tickets to fly out on this day can be as low as €597. The most expensive day to fly to Region of Ontario is Saturday, with ticket prices averaging around €679.
Cheapest flights to cities in Ontario
Click on the cities below to find out when it's cheapest to fly to Ontario from Ireland
Cheap Ontario flight deals and tips
Summary info about Ontario flight prices, duration and airlines
Best One-Way Price | €301 |
|---|---|
Best Round-Trip Price | €350 |
Fastest flight time | 7h 45m |
Frequently asked questions about flying to Ontario
What is the best airport to fly into to visit Toronto?
Toronto is about 97% more popular to visit than any other city in Region of Ontario, according to momondo users. When visiting Toronto, it is recommended to fly into Toronto Pearson Intl Airport, where you can typically get the cheapest prices and the most convenient travel options into the city.
I plan on visiting CN Tower. Which airport is the quickest drive?
The closest airport to CN Tower is Toronto Pearson Intl Airport, and would make for the quickest drive. For those interested in a secondary airport to fly into, consider looking at flights heading to Toronto Island Airport.
What are the most popular landmarks in Region of Ontario?
The most often visited landmarks in Region of Ontario are CN Tower, Union Station, and St. Lawrence Market, among many others that can be found in the area.
What is the weather like in Region of Ontario?
Region of Ontario typically has a temperature range from -6 °C(January) to 21 °C(July). Those looking to avoid rain and/or snow while visiting Region of Ontario should plan their trip in February, March, or January, as these months are relatively less likely to have precipitation.
Which airlines fly to Region of Ontario?
Air Canada, WestJet and Aer Lingus are the top three most popular airlines that fly to Region of Ontario according to our data. Air Canada is the first choice among our users, with 35% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 6 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.
How much are flights to Region of Ontario?
You can expect to spend an average of €537 for a flight to Region of Ontario. However, our users found flights to Region of Ontario for €187, which is the cheapest price we’ve seen in the past week. €1,455 per ticket tends to be the most expensive a flight to Region of Ontario will get, whereas anything for €447 or less is considered a good deal.
What is the best day of the week to fly to Region of Ontario?
If your travel plans are flexible and you’re looking to save money on flights to Region of Ontario, then be sure to book your departure on a Tuesday. Flying out on a Tuesday, as well as a Friday, is your best option. Departing on a Saturday tends to be the most expensive day of the week to fly to Region of Ontario.
When did momondo last update prices for flights to Ontario?
Prices for flights to Ontario are refreshed on a daily basis.
How many operators does momondo search for flights to Ontario?
The number of operators available for flights to Ontario is 7 as of October 2026.
How old do you have to be to fly to Ontario?
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 stopovers. It is recommended that you verify with the airline you are booking with for travel to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents required for your trip to Ontario 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 licence, and a passport valid for six-months after you plan to arrive at Ontario. 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 to Ontario?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight to Ontario. momondo saves you time and could save you money on your trip.
Can I find flights to Ontario with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Ontario with this policy.
How can momondo help me find flights to Ontario?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Ontario.
I’m not ready to book a flight to Ontario right now. Can momondo alert me if prices change?
If you are not ready to book a flight to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to Ontario and let you know when they change.