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Cheap flights from Ontario to Dublin from €382

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 22/2. 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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Find the cheapest flights from Ontario to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
07:00 - 09:45
ONT
-
DUB
18h 45m
1 stop
United Airlines Logo
09:50 - 21:58
DUB
-
ONT
44h 08m
2 stops
€527United Airlines
dim., 3 mai - mar., 12 mai
United Airlines Logo
06:09 - 07:30
ONT
-
DUB
17h 21m
2 stops
United Airlines Logo
08:00 - 17:41
DUB
-
ONT
40h 41m
2 stops
€528United Airlines
mer., 4 mars - mer., 11 mars
British Airways Logo
14:39 - 17:05
ONT
-
DUB
18h 26m
2 stops
British Airways Logo
10:55 - 10:06
DUB
-
ONT
30h 11m
2 stops
€532British Airways
lun., 2 mars - mar., 10 mars
British Airways Logo
14:39 - 17:05
ONT
-
DUB
18h 26m
2 stops
British Airways Logo
20:40 - 18:42
DUB
-
ONT
29h 02m
2 stops
€533British Airways
lun., 2 mars - mar., 10 mars
British Airways Logo
23:59 - 09:40
ONT
-
DUB
25h 41m
2 stops
British Airways Logo
08:35 - 22:35
DUB
-
ONT
22h 00m
2 stops
€536British Airways
lun., 27 avr. - mar., 5 mai
Air Canada Logo
13:43 - 08:15
ONT
-
DUB
58h 32m
2 stops
Air Canada Logo
09:50 - 17:52
DUB
-
ONT
40h 02m
2 stops
€540Air Canada
ven., 24 avr. - mar., 12 mai
Multiple Airlines Logo
05:00 - 07:10
ONT
-
DUB
18h 10m
2 stops
Multiple Airlines Logo
05:10 - 21:59
DUB
-
ONT
24h 49m
2 stops
€542Multiple Airlines
mar., 17 févr. - mer., 25 févr.
United Airlines Logo
08:00 - 07:30
ONT
-
DUB
15h 30m
2 stops
United Airlines Logo
10:40 - 22:18
DUB
-
ONT
18h 38m
1 stop
€546United Airlines
mer., 4 mars - mer., 11 mars
United Airlines Logo
07:00 - 09:45
ONT
-
DUB
18h 45m
1 stop
United Airlines Logo
09:50 - 21:58
DUB
-
ONT
20h 08m
2 stops
€547United Airlines
lun., 27 avr. - mar., 5 mai
United Airlines Logo
06:00 - 07:30
ONT
-
DUB
18h 30m
2 stops
United Airlines Logo
10:40 - 22:18
DUB
-
ONT
18h 38m
1 stop
€550United Airlines
mer., 18 mars - mer., 25 mars

Air Canada flights from Ontario to Dublin

Our best Air Canada deals on Ontario to Dublin flight tickets
Air Canada
4 May
ONT18:59Ontario
28h 46m
2 stops
DUB07:45Dublin
13 May
DUB09:50Dublin
16h 02m
2 stops
ONT17:52Ontario
€540
Air Canada
2 May
ONT06:00Ontario
17h 45m
2 stops
DUB07:45Dublin
13 May
DUB09:50Dublin
16h 02m
2 stops
ONT17:52Ontario
€567
Air Canada
5 May
ONT06:00Ontario
17h 45m
2 stops
DUB07:45Dublin
15 May
DUB09:50Dublin
40h 02m
2 stops
ONT17:52Ontario
€587

United Airlines flights from Ontario to Dublin

Our best United Airlines deals on Ontario to Dublin flight tickets
United Airlines
3 May
ONT07:00Ontario
18h 45m
1 stop
DUB09:45Dublin
13 May
DUB09:20Dublin
44h 38m
2 stops
ONT21:58Ontario
€527
United Airlines
4 Mar
ONT06:09Ontario
17h 21m
2 stops
DUB07:30Dublin
11 Mar
DUB08:00Dublin
40h 41m
2 stops
ONT17:41Ontario
€528
United Airlines
4 Mar
ONT08:00Ontario
15h 30m
2 stops
DUB07:30Dublin
11 Mar
DUB10:40Dublin
18h 38m
1 stop
ONT22:18Ontario
€546

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 29 janvier 2026.
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

dim. 3/5

07:00-09:45

1 stop18h 45m

Dublin

mar. 12/5

09:50-21:58

2 stops44h 08m

€527

OntarioDublin

ONT - DUB

ONTDUB

Ontario

mer. 4/3

06:09-07:30

2 stops17h 21m

Dublin

mer. 11/3

08:00-17:41

2 stops40h 41m

€528

OntarioDublin

ONT - DUB

ONTDUB

Ontario

lun. 2/3

14:39-17:05

2 stops18h 26m

Dublin

mar. 10/3

10:55-10:06

2 stops30h 11m

€532

OntarioDublin

ONT - DUB

ONTDUB

Ontario

lun. 2/3

14:39-17:05

2 stops18h 26m

Dublin

mar. 10/3

20:40-18:42

2 stops29h 02m

€533

OntarioDublin

ONT - DUB

ONTDUB

Ontario

lun. 27/4

23:59-09:40

2 stops25h 41m

Dublin

mar. 5/5

08:35-22:35

2 stops22h 00m

€536

OntarioDublin

ONT - DUB

ONTDUB

Ontario

ven. 24/4

13:43-08:15

2 stops58h 32m

Dublin

mar. 12/5

09:50-17:52

2 stops40h 02m

€540

OntarioDublin

ONT - DUB

ONTDUB

Ontario

mar. 17/2

05:00-07:10

2 stops18h 10m

Dublin

mer. 25/2

05:10-21:59

2 stops24h 49m

€542

OntarioDublin

ONT - DUB

ONTDUB

Ontario

mer. 4/3

08:00-07:30

2 stops15h 30m

Dublin

mer. 11/3

10:40-22:18

1 stop18h 38m

€546

OntarioDublin

ONT - DUB

ONTDUB

Ontario

lun. 27/4

07:00-09:45

1 stop18h 45m

Dublin

mar. 5/5

09:50-21:58

2 stops20h 08m

€547

OntarioDublin

ONT - DUB

ONTDUB

Ontario

mer. 18/3

06:00-07:30

2 stops18h 30m

Dublin

mer. 25/3

10:40-22:18

1 stop18h 38m

€550

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 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 €412. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €568. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

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

Fastest flight time

15h 30m

Direct flights

None
The fastest flight from Ontario to Dublin takes 15h 30m
There are no direct flights from Ontario to Dublin. There are no popular flight routes from Ontario to Dublin.
Search flight deals

  • How far is Ontario to Dublin by plane?

    The distance between Ontario and Dublin is about 8266.8 km. Typically, this will take 15h 30m 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
Cavan
Swords
Naas
Dundalk
Tullamore
Kildare
Bray
Enniscorthy
Mullingar
Maynooth
Gorey
Malahide
Carlingford
Leixlip
Arklow
Castleknock
Drogheda

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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