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Cheap flights from Ontario to Dublin from €402

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Dublin departing on 23/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from Ontario to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
05:05 - 07:10ONT-DUB
18h 05m2 stops
Air Canada Logo
09:00 - 20:58DUB-ONT
19h 58m2 stops
€479Air Canada
Find Deal
Tue, 20 Jan - Wed, 28 Jan
United Airlines Logo
06:04 - 07:30ONT-DUB
17h 26m2 stops
United Airlines Logo
10:40 - 21:58DUB-ONT
19h 18m2 stops
€503United Airlines
Find Deal
Wed, 31 Dec - Fri, 9 Jan
Multiple Airlines Logo
15:05 - 17:05ONT-DUB
18h 00m2 stops
Multiple Airlines Logo
13:45 - 23:40DUB-ONT
17h 55m1 stop
€560Multiple Airlines
Find Deal
Tue, 28 Apr - Wed, 6 May
Multiple Airlines Logo
10:58 - 14:15ONT-DUB
19h 17m2 stops
Multiple Airlines Logo
09:40 - 14:18DUB-ONT
36h 38m2 stops
€561Multiple Airlines
Find Deal
Sat, 17 Jan - Fri, 23 Jan
Iberia Logo
07:00 - 07:10ONT-DUB
16h 10m1 stop
Iberia Logo
12:55 - 23:55DUB-ONT
19h 00m1 stop
€564Iberia
Find Deal
Sat, 6 Dec - Sun, 14 Dec
British Airways Logo
15:09 - 19:50ONT-DUB
21h 41m2 stops
British Airways Logo
08:50 - 23:43DUB-ONT
21h 53m2 stops
€600British Airways
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Fri, 20 Mar - Wed, 25 Mar
Delta Logo
22:30 - 07:45ONT-DUB
26h 15m1 stop
Delta Logo
11:00 - 21:14DUB-ONT
18h 14m1 stop
€604Delta
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Fri, 27 Mar - Fri, 10 Apr
Iberia Logo
12:55 - 09:45ONT-DUB
12h 50m1 stop
Iberia Logo
13:45 - 21:56DUB-ONT
16h 11m1 stop
€624Iberia
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Fri, 24 Apr - Sun, 3 May
Delta Logo
07:00 - 08:45ONT-DUB
17h 45m1 stop
Delta Logo
11:00 - 22:09DUB-ONT
19h 09m1 stop
€637Delta
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Sun, 26 Apr - Wed, 27 May
British Airways Logo
10:57 - 10:15ONT-DUB
16h 18m2 stops
British Airways Logo
11:15 - 22:02DUB-ONT
18h 47m2 stops
€720British Airways
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Tue, 24 Mar - Thu, 2 Apr

Air Canada flights from Ontario to Dublin

Our best Air Canada deals on Ontario to Dublin flight tickets
Air Canada
20 Jan
ONT05:05Ontario
18h 05m
2 stops
DUB07:10Dublin
28 Jan
DUB09:00Dublin
19h 58m
2 stops
ONT20:58Ontario
€479
Find similar
Air Canada
29 Mar
ONT05:10Ontario
19h 05m
2 stops
DUB08:15Dublin
10 Apr
DUB09:50Dublin
18h 56m
2 stops
ONT20:46Ontario
€569
Find similar
Air Canada
27 Mar
ONT05:40Ontario
17h 30m
2 stops
DUB06:10Dublin
5 Apr
DUB09:50Dublin
18h 56m
2 stops
ONT20:46Ontario
€626
Find similar

Iberia flights from Ontario to Dublin

Our best Iberia deals on Ontario to Dublin flight tickets
Iberia
6 Dec
ONT07:00Ontario
16h 10m
1 stop
DUB07:10Dublin
14 Dec
DUB12:55Dublin
19h 00m
1 stop
ONT23:55Ontario
€564
Find similar
Iberia
24 Apr
ONT12:55Ontario
12h 50m
1 stop
DUB09:45Dublin
3 May
DUB13:45Dublin
16h 11m
1 stop
ONT21:56Ontario
€624
Find similar
Iberia
1 May
ONT11:01Ontario
14h 44m
1 stop
DUB09:45Dublin
15 May
DUB11:45Dublin
18h 11m
1 stop
ONT21:56Ontario
€665
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Ontario to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 10 November 2025.
Use the filters below to find and compare flights from Ontario to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Tue 20/1

05:05-07:10

2 stops18h 05m

Dublin

Wed 28/1

09:00-20:58

2 stops19h 58m

€479

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Wed 31/12

06:04-07:30

2 stops17h 26m

Dublin

Fri 9/1

10:40-21:58

2 stops19h 18m

€503

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Tue 28/4

15:05-17:05

2 stops18h 00m

Dublin

Wed 6/5

13:45-23:40

1 stop17h 55m

€560

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Sat 17/1

10:58-14:15

2 stops19h 17m

Dublin

Fri 23/1

09:40-14:18

2 stops36h 38m

€561

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Sat 6/12

07:00-07:10

1 stop16h 10m

Dublin

Sun 14/12

12:55-23:55

1 stop19h 00m

€564

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Fri 20/3

15:09-19:50

2 stops21h 41m

Dublin

Wed 25/3

08:50-23:43

2 stops21h 53m

€600

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Fri 27/3

22:30-07:45

1 stop26h 15m

Dublin

Fri 10/4

11:00-21:14

1 stop18h 14m

€604

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Fri 24/4

12:55-09:45

1 stop12h 50m

Dublin

Sun 3/5

13:45-21:56

1 stop16h 11m

€624

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Sun 26/4

07:00-08:45

1 stop17h 45m

Dublin

Wed 27/5

11:00-22:09

1 stop19h 09m

€637

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Tue 24/3

10:57-10:15

2 stops16h 18m

Dublin

Thu 2/4

11:15-22:02

2 stops18h 47m

€720

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Dublin from

How to get the cheapest flight ticket from Ontario to Dublin

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 Dublin?

If you aren’t able to travel during the month of December, then book flights to Dublin from Ontario during March instead. Flights to Dublin in March, while not as cheap as those in December, still average around €532.

What is the cheapest day to depart on your flight to Dublin?

Our data shows that Friday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €427. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €588. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

What is the cheapest time of day to depart on your flight to Dublin?

Our data shows that the cheapest Ontario to Dublin flights are usually those with departure times at midday. Our users have found flights to Dublin at midday for as low as €356. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are €522 on average. Flights to Dublin from Ontario in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from Ontario to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Ontario to Dublin (ONT to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Dublin

Direct flights

None
There are no direct flights from Ontario to Dublin. There are no popular flight routes from Ontario to Dublin.
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  • How far is Ontario to Dublin by plane?

    The distance between Ontario and Dublin is about 8266.8 km. Typically, this will take 12h 23m by plane in normal conditions.

  • When did momondo last update prices for flights from Ontario Airport to Dublin Airport?

    Prices for flights from Ontario Airport to Dublin Airport refresh daily.

  • How old do you have to be to fly from Ontario Airport to Dublin Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The required travel and health documents for your Dublin Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Wicklow
Swords
Cavan
Dundalk
Tullamore
Enniscorthy
Kildare
Bray
Mullingar
Naas
Arklow
Carlingford
Maynooth
Leixlip
Drogheda
Gorey
Malahide
Castleknock

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Dublin?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Dublin. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Dublin with flexible booking policies on momondo?

All flight searches from Ontario to Dublin on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Dublin?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Dublin.

I’m not ready to book a flight from Ontario to Dublin right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Dublin from Ontario. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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