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Cheap flights from Ontario to Dublin from €274

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.
KLM Logo
07:05 - 07:45ONT  Ontario-DUB Dublin
16h 40m1 stop Atlanta Hartsfield-Jackson
KLM Logo
09:40 - 20:59DUB  Dublin-ONT Ontario
19h 19m1 stop Atlanta Hartsfield-Jackson
€608KLM
Wed, 2 Dec - Tue, 8 Dec
Delta Logo
07:00 - 07:45ONT  Ontario-DUB Dublin
16h 45m1 stop Atlanta Hartsfield-Jackson
Delta Logo
09:40 - 22:14DUB  Dublin-ONT Ontario
20h 34m1 stop Atlanta Hartsfield-Jackson
€613Delta
Tue, 23 Feb - Fri, 26 Feb
British Airways Logo
14:09 - 16:55ONT  Ontario-DUB Dublin
18h 46m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
11:00 - 22:12DUB  Dublin-ONT Ontario
19h 12m2 stops London Heathrow Charlotte Douglas
€614British Airways
Tue, 1 Dec - Tue, 8 Dec
United Airlines Logo
06:00 - 07:30ONT  Ontario-DUB Dublin
17h 30m2 stops San Francisco Newark
United Airlines Logo
10:40 - 18:44DUB  Dublin-ONT Ontario
16h 04m1 stop Chicago O'Hare Intl
€616United Airlines
Wed, 10 Feb - Fri, 19 Feb
United Airlines Logo
06:30 - 08:10ONT  Ontario-DUB Dublin
17h 40m1 stop Chicago O'Hare Intl
United Airlines Logo
09:00 - 18:39DUB  Dublin-ONT Ontario
41h 39m2 stops Toronto Pearson Intl Chicago O'Hare Intl
€633United Airlines
Sun, 14 Feb - Sat, 20 Feb
British Airways Logo
13:24 - 19:45ONT  Ontario-DUB Dublin
22h 21m2 stops Phoenix Sky Harbor Intl London Heathrow
British Airways Logo
10:30 - 23:17DUB  Dublin-ONT Ontario
20h 47m2 stops London Heathrow Dallas/Fort Worth
€651British Airways
Thu, 7 Jan - Wed, 13 Jan
Delta Logo
07:05 - 07:45ONT  Ontario-DUB Dublin
16h 40m1 stop Atlanta Hartsfield-Jackson
Delta Logo
13:25 - 21:59DUB  Dublin-ONT Ontario
40h 34m2 stops Amsterdam Schiphol Salt Lake City
€651Delta
Mon, 28 Dec - Wed, 30 Dec
Delta Logo
22:29 - 09:45ONT  Ontario-DUB Dublin
27h 16m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl
Delta Logo
13:25 - 21:59DUB  Dublin-ONT Ontario
40h 34m2 stops Amsterdam Schiphol Salt Lake City
€655Delta
Sat, 26 Dec - Wed, 30 Dec
United Airlines Logo
06:00 - 07:30ONT  Ontario-DUB Dublin
17h 30m2 stops San Francisco Newark
United Airlines Logo
10:40 - 18:44DUB  Dublin-ONT Ontario
16h 04m1 stop Chicago O'Hare Intl
€656United Airlines
Thu, 7 Jan - Wed, 13 Jan
United Airlines Logo
18:53 - 07:30ONT  Ontario-DUB Dublin
28h 37m3 stops San Francisco Boston Logan Intl Newark
United Airlines Logo
09:00 - 23:06DUB  Dublin-ONT Ontario
22h 06m2 stops Toronto Pearson Intl San Francisco
€657United Airlines
Sun, 14 Feb - Sat, 20 Feb

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JetBlue flights from Ontario to Dublin

Our best JetBlue deals on Ontario to Dublin flight tickets
JetBlue
9 Oct
ONT23:05Ontario
25h 55m
1 stop
DUB09:00Dublin
17 Oct
DUB11:30Dublin
18h 15m
1 stop
ONT21:45Ontario
€666
JetBlue
10 Oct
ONT23:05Ontario
25h 55m
1 stop
DUB09:00Dublin
17 Oct
DUB11:30Dublin
18h 15m
1 stop
ONT21:45Ontario
€682
JetBlue
11 Oct
ONT23:05Ontario
25h 55m
1 stop
DUB09:00Dublin
17 Oct
DUB11:30Dublin
18h 15m
1 stop
ONT21:45Ontario
€695

United Airlines flights from Ontario to Dublin

Our best United Airlines deals on Ontario to Dublin flight tickets
United Airlines
10 Feb
ONT06:00Ontario
17h 30m
2 stops
DUB07:30Dublin
19 Feb
DUB10:40Dublin
16h 04m
1 stop
ONT18:44Ontario
€616
United Airlines
14 Feb
ONT06:30Ontario
17h 40m
1 stop
DUB08:10Dublin
20 Feb
DUB09:00Dublin
41h 39m
2 stops
ONT18:39Ontario
€632
United Airlines
7 Jan
ONT06:00Ontario
17h 30m
2 stops
DUB07:30Dublin
13 Jan
DUB10:40Dublin
16h 04m
1 stop
ONT18:44Ontario
€656

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

Wed 2/12

07:05-07:45

1 stop16h 40m

Dublin

Tue 8/12

09:40-20:59

1 stop19h 19m

€608

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Tue 23/2

07:00-07:45

1 stop16h 45m

Dublin

Fri 26/2

09:40-22:14

1 stop20h 34m

€613

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Tue 1/12

14:09-16:55

2 stops18h 46m

Dublin

Tue 8/12

11:00-22:12

2 stops19h 12m

€614
Fastest return journey

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Wed 10/2

06:00-07:30

2 stops17h 30m

Dublin

Fri 19/2

10:40-18:44

1 stop16h 04m

€616

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Sun 14/2

06:30-08:10

1 stop17h 40m

Dublin

Sat 20/2

09:00-18:39

2 stops41h 39m

€632

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Thu 7/1

13:24-19:45

2 stops22h 21m

Dublin

Wed 13/1

10:30-23:17

2 stops20h 47m

€651

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Mon 28/12

07:05-07:45

1 stop16h 40m

Dublin

Wed 30/12

13:25-21:59

2 stops40h 34m

€651

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Sat 26/12

22:29-09:45

2 stops27h 16m

Dublin

Wed 30/12

13:25-21:59

2 stops40h 34m

€655

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Thu 7/1

06:00-07:30

2 stops17h 30m

Dublin

Wed 13/1

10:40-18:44

1 stop16h 04m

€656

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Sun 14/2

18:53-07:30

3 stops28h 37m

Dublin

Sat 20/2

09:00-23:06

2 stops22h 06m

€657

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 €425. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around €783. 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

Best price found

€274

Fastest flight time

12h 45m

Direct flights

None
The best one-way flight to Dublin from Ontario in the past 72 hours is €274. The best return flight deal from Ontario to Dublin found on momondo in the last 72 hours is €608.
The fastest flight from Ontario to Dublin takes 12h 45m
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 12h 45m 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
Wicklow
Swords
Gorey
Naas
Bray
Kildare
Tullamore
Mullingar
Leixlip
Maynooth
Castleknock
Malahide
Enniscorthy
Carlingford
Drogheda
Arklow

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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