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Cheap flights from Ontario to Dublin from €278

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:00 - 10:15ONT  Ontario-DUB Dublin
20h 15m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 - 22:17DUB  Dublin-ONT Ontario
18h 47m2 stops Reykjavik Keflavik Intl Denver Intl
€507Multiple Airlines
Tue, 1 Dec - Tue, 8 Dec
Multiple Airlines Logo
14:47 - 10:15ONT  Ontario-DUB Dublin
35h 28m3 stops Las Vegas Harry Reid Intl Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 - 22:17DUB  Dublin-ONT Ontario
18h 47m2 stops Reykjavik Keflavik Intl Denver Intl
€510Multiple Airlines
Tue, 1 Dec - Tue, 8 Dec
Multiple Airlines Logo
06:30 - 10:15ONT  Ontario-DUB Dublin
19h 45m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 - 23:51DUB  Dublin-ONT Ontario
20h 21m2 stops Reykjavik Keflavik Intl Denver Intl
€519Multiple Airlines
Wed, 11 Nov - Wed, 18 Nov
Multiple Airlines Logo
14:47 - 10:15ONT  Ontario-DUB Dublin
35h 28m3 stops Las Vegas Harry Reid Intl Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 - 07:44DUB  Dublin-ONT Ontario
28h 14m3 stops Reykjavik Keflavik Intl Denver Intl Dallas/Fort Worth
€536Multiple Airlines
Tue, 1 Dec - Tue, 8 Dec
Multiple Airlines Logo
06:45 - 10:15ONT  Ontario-DUB Dublin
19h 30m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 - 22:17DUB  Dublin-ONT Ontario
18h 47m2 stops Reykjavik Keflavik Intl Denver Intl
€541Multiple Airlines
Mon, 23 Nov - Tue, 8 Dec
Multiple Airlines Logo
06:30 - 10:15ONT  Ontario-DUB Dublin
19h 45m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 - 11:16DUB  Dublin-ONT Ontario
31h 46m3 stops Reykjavik Keflavik Intl Denver Intl Las Vegas Harry Reid Intl
€552Multiple Airlines
Wed, 11 Nov - Wed, 18 Nov
Multiple Airlines Logo
06:30 - 10:15ONT  Ontario-DUB Dublin
19h 45m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 - 23:51DUB  Dublin-ONT Ontario
20h 21m2 stops Reykjavik Keflavik Intl Denver Intl
€561Multiple Airlines
Tue, 10 Nov - Tue, 17 Nov
Multiple Airlines Logo
06:30 - 10:15ONT  Ontario-DUB Dublin
19h 45m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 - 23:51DUB  Dublin-ONT Ontario
20h 21m2 stops Reykjavik Keflavik Intl Denver Intl
€563Multiple Airlines
Tue, 10 Nov - Mon, 16 Nov
Multiple Airlines Logo
20:31 - 10:15ONT  Ontario-DUB Dublin
29h 44m3 stops San Francisco Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 - 22:17DUB  Dublin-ONT Ontario
18h 47m2 stops Reykjavik Keflavik Intl Denver Intl
€565Multiple Airlines
Mon, 23 Nov - Tue, 8 Dec
Multiple Airlines Logo
17:07 - 10:15ONT  Ontario-DUB Dublin
33h 08m3 stops Las Vegas Harry Reid Intl Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 - 23:51DUB  Dublin-ONT Ontario
20h 21m2 stops Reykjavik Keflavik Intl Denver Intl
€586Multiple Airlines
Tue, 10 Nov - Tue, 17 Nov

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American Airlines flights from Ontario to Dublin

Our best American Airlines deals on Ontario to Dublin flight tickets
American Airlines
23 Nov
ONT14:09Ontario
17h 16m
2 stops
DUB15:25Dublin
8 Dec
DUB11:30Dublin
19h 28m
2 stops
ONT22:58Ontario
€674
American Airlines
19 Oct
ONT13:05Ontario
17h 25m
2 stops
DUB14:30Dublin
4 Nov
DUB12:55Dublin
32h 36m
1 stop
ONT13:31Ontario
€749
American Airlines
19 Oct
ONT06:00Ontario
19h 45m
1 stop
DUB09:45Dublin
4 Nov
DUB12:55Dublin
28h 45m
1 stop
ONT09:40Ontario
€757

United Airlines flights from Ontario to Dublin

Our best United Airlines deals on Ontario to Dublin flight tickets
United Airlines
21 Feb
ONT06:30Ontario
17h 40m
1 stop
DUB08:10Dublin
28 Feb
DUB10:40Dublin
15h 42m
1 stop
ONT18:22Ontario
€677
United Airlines
21 Feb
ONT06:00Ontario
17h 30m
2 stops
DUB07:30Dublin
28 Feb
DUB09:30Dublin
20h 09m
2 stops
ONT21:39Ontario
€682
United Airlines
12 Feb
ONT06:30Ontario
16h 40m
2 stops
DUB07:10Dublin
19 Feb
DUB09:30Dublin
18h 50m
2 stops
ONT20:20Ontario
€684

momondo Fare Finder

 
Use the filters below to find and compare flights from Ontario to Dublin that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Tue 1/12

06:00-10:15

2 stops20h 15m

Dublin

Tue 8/12

11:30-22:17

2 stops18h 47m

€507

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Tue 1/12

14:47-10:15

3 stops35h 28m

Dublin

Tue 8/12

11:30-22:17

2 stops18h 47m

€510

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Wed 11/11

06:30-10:15

2 stops19h 45m

Dublin

Wed 18/11

11:30-23:51

2 stops20h 21m

€519

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Tue 1/12

14:47-10:15

3 stops35h 28m

Dublin

Tue 8/12

11:30-07:44

3 stops28h 14m

€536
Fastest return journey

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Mon 23/11

06:45-10:15

2 stops19h 30m

Dublin

Tue 8/12

11:30-22:17

2 stops18h 47m

€541

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Wed 11/11

06:30-10:15

2 stops19h 45m

Dublin

Wed 18/11

11:30-11:16

3 stops31h 46m

€552

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Tue 10/11

06:30-10:15

2 stops19h 45m

Dublin

Tue 17/11

11:30-23:51

2 stops20h 21m

€561

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Tue 10/11

06:30-10:15

2 stops19h 45m

Dublin

Mon 16/11

11:30-23:51

2 stops20h 21m

€563

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Mon 23/11

20:31-10:15

3 stops29h 44m

Dublin

Tue 8/12

11:30-22:17

2 stops18h 47m

€565

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Tue 10/11

17:07-10:15

3 stops33h 08m

Dublin

Tue 17/11

11:30-23:51

2 stops20h 21m

€586

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 airline that flies from Ontario to Dublin?

Delta and United Airlines are the most popular carriers operating from Ontario 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

Best price found

€278

Fastest flight time

16h 10m

Direct flights

None
The best one-way flight to Dublin from Ontario in the past 72 hours is €278. The best return flight deal from Ontario to Dublin found on momondo in the last 72 hours is €507.
The fastest flight from Ontario to Dublin takes 16h 10m
There are no direct flights from Ontario to Dublin. There are no popular flight routes from Ontario to Dublin.
Search flight deals

Frequently asked questions about flying from Ontario to Dublin

  • How far is Ontario to Dublin by plane?

    The distance between Ontario and Dublin is about 8266.8 km. Typically, this will take 16h 10m 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
Cavan
Dundalk
Swords
Wicklow
Bray
Gorey
Naas
Kildare
Mullingar
Tullamore
Maynooth
Leixlip
Castleknock
Drogheda
Malahide
Arklow
Enniscorthy
Carlingford

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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