Flights to Ontario

€390 Cheap flights to Ontario

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to Ontario departing on 6/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Recent flights found to popular cities in Ontario

Find flights to these popular cities in Ontario from your nearest airport.
Air Canada
6 Feb
DUB
7h 15m
YYZ
10 Feb
YYZ
6h 35m
DUB
€390
Air Canada
9 Apr
DUB
7h 00m
YYZ
21 Apr
YYZ
6h 30m
DUB
€394
TAP AIR PORTUGAL
31 Mar
DUB
24h 10m
1 stop
YYZ
19 Apr
YYZ
14h 10m
1 stop
DUB
€396
Multiple Airlines
6 Feb
DUB
16h 05m
1 stop
YYZ
22 Feb
YYZ
6h 35m
DUB
€397
Multiple Airlines
6 Feb
DUB
11h 50m
1 stop
YYZ
10 Feb
YYZ
17h 00m
2 stops
DUB
€398
Multiple Airlines
6 Feb
DUB
20h 05m
1 stop
YYZ
10 Feb
YYZ
19h 55m
1 stop
DUB
€399
Lufthansa
10 Mar
DUB
19h 50m
1 stop
YYZ
15 Mar
YYZ
20h 15m
1 stop
DUB
€400
Multiple Airlines
31 Mar
DUB
12h 30m
1 stop
YYZ
14 Apr
YYZ
6h 30m
DUB
€400
Multiple Airlines
6 Feb
DUB
17h 20m
1 stop
YYZ
10 Feb
YYZ
17h 30m
1 stop
DUB
€401
Air Canada
6 Feb
DUB
7h 15m
YYZ
22 Feb
YYZ
6h 35m
DUB
€402
Lufthansa
18 Feb
DUB
7h 15m
YYZ
25 Feb
YYZ
16h 25m
1 stop
DUB
€403
Air Canada
6 Feb
DUB
7h 15m
YYZ
22 Feb
YYZ
6h 35m
DUB
€404
WestJet
23 May
DUB
18h 40m
1 stop
YOW
5 Jun
YOW
21h 25m
2 stops
DUB
€429
WestJet
23 May
DUB
18h 40m
1 stop
YOW
5 Jun
YOW
22h 25m
1 stop
DUB
€430
WestJet
12 Mar
DUB
18h 09m
1 stop
YOW
25 Mar
YOW
23h 20m
1 stop
DUB
€433
WestJet
12 Mar
DUB
18h 09m
1 stop
YOW
25 Mar
YOW
23h 20m
1 stop
DUB
€436
WestJet
15 Jun
DUB
12h 55m
2 stops
YOW
19 Jun
YOW
9h 45m
1 stop
DUB
€448
Multiple Airlines
12 Mar
DUB
18h 09m
1 stop
YOW
25 Mar
YOW
28h 20m
2 stops
DUB
€454
WestJet
14 Jun
DUB
17h 05m
1 stop
YOW
19 Jun
YOW
11h 20m
1 stop
DUB
€457
Air Transat
14 Jul
DUB
16h 06m
1 stop
YOW
4 Aug
YOW
23h 30m
1 stop
DUB
€491
Air France
17 Feb
DUB
14h 10m
1 stop
YOW
24 Feb
YOW
17h 25m
1 stop
DUB
€493
Multiple Airlines
12 Mar
DUB
18h 09m
1 stop
YOW
25 Mar
YOW
26h 45m
2 stops
DUB
€500
Multiple Airlines
2 Apr
DUB
14h 05m
1 stop
YOW
13 Apr
YOW
18h 20m
2 stops
DUB
€516
WestJet
2 Apr
DUB
18h 09m
1 stop
YOW
13 Apr
YOW
23h 20m
1 stop
DUB
€522

Find the cheapest flights from Ireland to Ontario

Recent return flight deals from Ireland to Ontario

Enter your travel dates to find the best prices.
WestJet Logo
10:30 - 00:38
DUB
-
YUL
18h 08m
1 stop
WestJet Logo
06:45 - 09:00
YUL
-
DUB
22h 15m
1 stop
€381WestJet
Thu, 12 Mar - Wed, 18 Mar
WestJet Logo
10:30 - 00:38
DUB
-
YUL
18h 08m
1 stop
WestJet Logo
06:45 - 09:30
YUL
-
DUB
22h 45m
1 stop
€383WestJet
Sat, 14 Mar - Fri, 20 Mar
WestJet Logo
10:30 - 00:38
DUB
-
YUL
18h 08m
1 stop
WestJet Logo
06:45 - 09:30
YUL
-
DUB
22h 45m
1 stop
€384WestJet
Sat, 14 Mar - Fri, 20 Mar
Air Canada Logo
09:00 - 11:15
DUB
-
YYZ
7h 15mdirect
Air Canada Logo
19:35 - 07:10
YYZ
-
DUB
6h 35mdirect
€390Air Canada
Fri, 6 Feb - Tue, 10 Feb
Air Canada Logo
09:50 - 11:55
DUB
-
YYZ
7h 05mdirect
Air Canada Logo
20:45 - 08:15
YYZ
-
DUB
6h 30mdirect
€394Air Canada
Fri, 1 May - Wed, 6 May
Lufthansa Logo
12:25 - 19:35
DUB
-
YYZ
12h 10m
1 stop
Lufthansa Logo
20:45 - 08:15
YYZ
-
DUB
6h 30mdirect
€398Lufthansa
Fri, 17 Apr - Tue, 21 Apr
Lufthansa Logo
05:00 - 20:50
DUB
-
YYZ
19h 50m
1 stop
Lufthansa Logo
22:30 - 22:45
YYZ
-
DUB
20h 15m
1 stop
€400Lufthansa
Tue, 10 Mar - Sun, 15 Mar
United Airlines Logo
12:30 - 20:27
SNN
-
YYZ
12h 57m
2 stops
United Airlines Logo
19:00 - 10:15
YYZ
-
SNN
10h 15m
1 stop
€459United Airlines
Sat, 2 May - Tue, 5 May
United Airlines Logo
12:30 - 23:59
SNN
-
YYZ
16h 29m
2 stops
United Airlines Logo
12:25 - 10:15
YYZ
-
SNN
16h 50m
2 stops
€460United Airlines
Sat, 2 May - Tue, 5 May
Air Transat Logo
13:15 - 00:21
DUB
-
YOW
16h 06m
1 stop
Air Transat Logo
07:00 - 11:30
YOW
-
DUB
23h 30m
1 stop
€491Air Transat
Tue, 14 Jul - Tue, 4 Aug

momondo Fare Finder

 
Locate flights to Ontario that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 13,528 searches and data was last updated on 21 January 2026.
Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

Route

Depart

Return

Price

DublinMontreal

DUB - YUL

DUBYUL

Dublin

Thu 12/3

10:30-00:38

1 stop18h 08m

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

06:45-09:00

1 stop22h 15m

€381

DublinMontreal

DUB - YUL

DUBYUL

Dublin

Sat 14/3

10:30-00:38

1 stop18h 08m

Montreal Pierre Elliott Trudeau Intl

Fri 20/3

06:45-09:30

1 stop22h 45m

€383

DublinMontreal

DUB - YUL

DUBYUL

Dublin

Sat 14/3

10:30-00:38

1 stop18h 08m

Montreal Pierre Elliott Trudeau Intl

Fri 20/3

06:45-09:30

1 stop22h 45m

€384

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Fri 6/2

09:00-11:15

Nonstop7h 15m

Toronto Pearson Intl

Tue 10/2

19:35-07:10

Nonstop6h 35m

€390

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Fri 1/5

09:50-11:55

Nonstop7h 05m

Toronto Pearson Intl

Wed 6/5

20:45-08:15

Nonstop6h 30m

€394

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Fri 17/4

12:25-19:35

1 stop12h 10m

Toronto Pearson Intl

Tue 21/4

20:45-08:15

Nonstop6h 30m

€398

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Tue 10/3

05:00-20:50

1 stop19h 50m

Toronto Pearson Intl

Sun 15/3

22:30-22:45

1 stop20h 15m

€400

ShannonToronto

SNN - YYZ

SNNYYZ

Shannon

Sat 2/5

12:30-20:27

2 stops12h 57m

Toronto Pearson Intl

Tue 5/5

19:00-10:15

1 stop10h 15m

€459

ShannonToronto

SNN - YYZ

SNNYYZ

Shannon

Sat 2/5

12:30-23:59

2 stops16h 29m

Toronto Pearson Intl

Tue 5/5

12:25-10:15

2 stops16h 50m

€460

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Tue 14/7

13:15-00:21

1 stop16h 06m

Ottawa

Tue 4/8

07:00-11:30

1 stop23h 30m

€491

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 €639/pp. The absolute cheapest flight to Region of Ontario is €167/pp

See prices from:

What is the cheapest day to depart on your flight to Region of Ontario?

Our data shows that Thursday is the least expensive day to fly to Region of Ontario. Tickets to fly out on this day can be as low as €540. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around €619.

Cheapest flights to cities in Ontario

Click on the cities below to find out when it's cheapest to fly to Ontario from Ireland
Toronto
Toronto

Cheap Ontario flight deals and tips

Summary info about Ontario flight prices, duration and airlines

Best One-Way Price

€148

Best Round-Trip Price

€381

Fastest flight time

12h 55m

Popular in

June
The best one-way flight price to Ontario from Ireland in the last 72 hours is €148 (Dublin to Toronto Pearson Intl).
The best round-trip flight price to Ontario from Ireland in the last 72 hours is €381 (Dublin to Montreal Pierre Elliott Trudeau Intl).
The fastest flight to Ontario from Ireland takes 12h 55m (Dublin to Ottawa).
June has the highest demand for flights to Ontario, with a 30% price increase on average.

Frequently asked questions about flying to Ontario

What is the best airport to fly into to visit Toronto?

I plan on visiting Nipissing Beach. Which airport is the quickest drive?

The closest airport to Nipissing Beach is Sudbury, Ontario Airport, and would make for the quickest drive. For those interested in a secondary airport to fly into, consider looking at flights heading to North Bay Airport.

What are the most popular landmarks in Region of Ontario?

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?

How much are flights to Region of Ontario?

You can expect to spend an average of €513 for a flight to Region of Ontario. However, our users found flights to Region of Ontario for €224, which is the cheapest price we’ve seen in the past week. €1,711 per ticket tends to be the most expensive a flight to Region of Ontario will get, whereas anything for €364 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 Thursday. Flying out on a Thursday, as well as a Tuesday, is your best option. Departing on a Sunday 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?

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.

An easier way to manage your Ontario trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 20/2
Fri 27/2

Find better results for your trip to Ontario

Popular Flights to Ontario

Popular routes according to searches in the past day on momondo