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Cheap flights from Ontario to Dublin from €259

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.
Delta Logo
07:05 - 07:45ONT  Ontario-DUB Dublin
16h 40m1 stop Atlanta Hartsfield-Jackson
Delta Logo
09:40 - 21:57DUB  Dublin-ONT Ontario
20h 17m1 stop Atlanta Hartsfield-Jackson
€482Delta
Wed, 11 Nov - Thu, 19 Nov
Delta Logo
23:15 - 08:45ONT  Ontario-DUB Dublin
25h 30m2 stops Atlanta Hartsfield-Jackson New York LaGuardia
Delta Logo
09:40 - 21:57DUB  Dublin-ONT Ontario
20h 17m1 stop Atlanta Hartsfield-Jackson
€485Delta
Sun, 8 Nov - Fri, 20 Nov
Delta Logo
12:16 - 07:45ONT  Ontario-DUB Dublin
35h 29m1 stop Atlanta Hartsfield-Jackson
Delta Logo
09:40 - 21:57DUB  Dublin-ONT Ontario
20h 17m1 stop Atlanta Hartsfield-Jackson
€486Delta
Sat, 7 Nov - Thu, 19 Nov
Delta Logo
07:00 - 08:45ONT  Ontario-DUB Dublin
17h 45m2 stops Atlanta Hartsfield-Jackson New York LaGuardia
Delta Logo
10:45 - 22:14DUB  Dublin-ONT Ontario
19h 29m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
€490Delta
Mon, 11 Jan - Thu, 21 Jan
Delta Logo
12:16 - 07:45ONT  Ontario-DUB Dublin
35h 29m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:45 - 11:08DUB  Dublin-ONT Ontario
32h 23m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
€490Delta
Sat, 7 Nov - Tue, 17 Nov
Delta Logo
12:20 - 09:45ONT  Ontario-DUB Dublin
37h 25m2 stops Atlanta Hartsfield-Jackson Boston Logan Intl
Delta Logo
09:55 - 21:59DUB  Dublin-ONT Ontario
20h 04m2 stops Minneapolis St Paul Salt Lake City
€495Delta
Sat, 12 Dec - Thu, 24 Dec
Multiple Airlines Logo
07:00 - 08:45ONT  Ontario-DUB Dublin
17h 45m2 stops Seattle/Tacoma Intl New York John F Kennedy Intl
Multiple Airlines Logo
05:45 - 16:24DUB  Dublin-ONT Ontario
18h 39m2 stops Amsterdam Schiphol Salt Lake City
€502Multiple Airlines
Mon, 9 Nov - Tue, 17 Nov
Delta Logo
07:05 - 07:45ONT  Ontario-DUB Dublin
16h 40m1 stop Atlanta Hartsfield-Jackson
Delta Logo
09:40 - 21:57DUB  Dublin-ONT Ontario
20h 17m1 stop Atlanta Hartsfield-Jackson
€525Delta
Fri, 13 Nov - Thu, 19 Nov
Delta Logo
07:07 - 08:45ONT  Ontario-DUB Dublin
17h 38m1 stop Atlanta Hartsfield-Jackson
Delta Logo
09:40 - 20:25DUB  Dublin-ONT Ontario
17h 45m1 stop Atlanta Hartsfield-Jackson
€528Delta
Tue, 13 Oct - Thu, 29 Oct
Delta Logo
23:10 - 08:45ONT  Ontario-DUB Dublin
25h 35m2 stops Atlanta Hartsfield-Jackson New York LaGuardia
Delta Logo
09:40 - 21:57DUB  Dublin-ONT Ontario
20h 17m1 stop Atlanta Hartsfield-Jackson
€529Delta
Thu, 12 Nov - Thu, 19 Nov

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United Airlines flights from Ontario to Dublin

Our best United Airlines deals on Ontario to Dublin flight tickets
United Airlines
7 Nov
ONT07:00Ontario
17h 10m
1 stop
DUB08:10Dublin
16 Nov
DUB09:00Dublin
41h 47m
2 stops
ONT18:47Ontario
€588
United Airlines
11 Dec
ONT05:00Ontario
18h 30m
2 stops
DUB07:30Dublin
24 Dec
DUB09:00Dublin
45h 38m
2 stops
ONT22:38Ontario
€593
United Airlines
3 Feb
ONT06:00Ontario
17h 30m
2 stops
DUB07:30Dublin
13 Feb
DUB09:00Dublin
35h 33m
2 stops
ONT12:33Ontario
€596

Iberia flights from Ontario to Dublin

Our best Iberia deals on Ontario to Dublin flight tickets
Iberia
8 Nov
ONT07:00Ontario
16h 10m
1 stop
DUB07:10Dublin
19 Nov
DUB12:55Dublin
17h 41m
1 stop
ONT22:36Ontario
€600
Iberia
29 Sept
ONT12:37Ontario
13h 08m
1 stop
DUB09:45Dublin
7 Oct
DUB12:40Dublin
19h 12m
1 stop
ONT23:52Ontario
€654
Iberia
26 Sept
ONT12:37Ontario
13h 08m
1 stop
DUB09:45Dublin
7 Oct
DUB12:40Dublin
19h 12m
1 stop
ONT23:52Ontario
€698

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 11/11

07:05-07:45

1 stop16h 40m

Dublin

Thu 19/11

09:40-21:57

1 stop20h 17m

€482

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Sun 8/11

23:15-08:45

2 stops25h 30m

Dublin

Fri 20/11

09:40-21:57

1 stop20h 17m

€485

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Sat 7/11

12:16-07:45

1 stop35h 29m

Dublin

Thu 19/11

09:40-21:57

1 stop20h 17m

€486

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Mon 11/1

07:00-08:45

2 stops17h 45m

Dublin

Thu 21/1

10:45-22:14

2 stops19h 29m

€490

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Sat 7/11

12:16-07:45

1 stop35h 29m

Dublin

Tue 17/11

10:45-11:08

2 stops32h 23m

€490

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Sat 12/12

12:20-09:45

2 stops37h 25m

Dublin

Thu 24/12

09:55-21:59

2 stops20h 04m

€495

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Mon 9/11

07:00-08:45

2 stops17h 45m

Dublin

Tue 17/11

05:45-16:24

2 stops18h 39m

€502

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Fri 13/11

07:05-07:45

1 stop16h 40m

Dublin

Thu 19/11

09:40-21:57

1 stop20h 17m

€525
Fastest return journey

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Tue 13/10

07:07-08:45

1 stop17h 38m

Dublin

Thu 29/10

09:40-20:25

1 stop17h 45m

€528

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Thu 12/11

23:10-08:45

2 stops25h 35m

Dublin

Thu 19/11

09:40-21:57

1 stop20h 17m

€529

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 €428. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around €788. 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

€259

Fastest flight time

15h 07m

Direct flights

None
The best one-way flight to Dublin from Ontario in the past 72 hours is €259. The best return flight deal from Ontario to Dublin found on momondo in the last 72 hours is €482.
The fastest flight from Ontario to Dublin takes 15h 07m
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 15h 07m 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
Tullamore
Leixlip
Maynooth
Mullingar
Castleknock
Malahide
Enniscorthy
Carlingford
Thurles
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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