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Cheap flights from Ontario to Ireland from $322

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 10:15 amONT  Ontario-DUB Dublin
20h 15m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 am - 10:17 pmDUB  Dublin-ONT Ontario
18h 47m2 stops Reykjavik Keflavik Intl Denver Intl
$486Multiple Airlines
Tue, Dec 8 - Tue, Dec 15
Multiple Airlines Logo
6:00 am - 10:15 amONT  Ontario-DUB Dublin
20h 15m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 am - 10:17 pmDUB  Dublin-ONT Ontario
18h 47m2 stops Reykjavik Keflavik Intl Denver Intl
$491Multiple Airlines
Tue, Dec 8 - Tue, Dec 15
Multiple Airlines Logo
6:00 am - 10:15 amONT  Ontario-DUB Dublin
20h 15m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 am - 11:51 amDUB  Dublin-ONT Ontario
32h 21m3 stops Reykjavik Keflavik Intl Denver Intl Las Vegas Harry Reid Intl
$539Multiple Airlines
Tue, Dec 8 - Tue, Dec 15
Multiple Airlines Logo
6:00 am - 10:15 amONT  Ontario-DUB Dublin
20h 15m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 am - 8:05 amDUB  Dublin-ONT Ontario
28h 35m3 stops Reykjavik Keflavik Intl Denver Intl Las Vegas Harry Reid Intl
$541Multiple Airlines
Thu, Dec 3 - Wed, Dec 16
Multiple Airlines Logo
6:00 am - 10:15 amONT  Ontario-DUB Dublin
20h 15m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 am - 11:51 amDUB  Dublin-ONT Ontario
32h 21m3 stops Reykjavik Keflavik Intl Denver Intl Las Vegas Harry Reid Intl
$544Multiple Airlines
Tue, Dec 8 - Tue, Dec 15
Multiple Airlines Logo
7:06 pm - 10:15 amONT  Ontario-DUB Dublin
31h 09m3 stops San Francisco Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 am - 10:17 pmDUB  Dublin-ONT Ontario
18h 47m2 stops Reykjavik Keflavik Intl Denver Intl
$547Multiple Airlines
Tue, Dec 1 - Tue, Dec 8
Multiple Airlines Logo
7:06 pm - 10:15 amONT  Ontario-DUB Dublin
31h 09m3 stops San Francisco Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 am - 10:17 pmDUB  Dublin-ONT Ontario
18h 47m2 stops Reykjavik Keflavik Intl Denver Intl
$548Multiple Airlines
Tue, Dec 1 - Wed, Dec 9
Multiple Airlines Logo
7:06 pm - 10:15 amONT  Ontario-DUB Dublin
31h 09m3 stops San Francisco Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 am - 10:17 pmDUB  Dublin-ONT Ontario
18h 47m2 stops Reykjavik Keflavik Intl Denver Intl
$566Multiple Airlines
Tue, Dec 1 - Tue, Dec 8
Multiple Airlines Logo
6:00 am - 7:10 amONT  Ontario-DUB Dublin
17h 10m2 stops Denver Intl Toronto Pearson Intl
Multiple Airlines Logo
9:00 am - 12:20 amDUB  Dublin-ONT Ontario
23h 20m2 stops Toronto Pearson Intl Denver Intl
$576Multiple Airlines
Wed, Dec 2 - Mon, Dec 7
Multiple Airlines Logo
6:00 am - 7:10 amONT  Ontario-DUB Dublin
17h 10m2 stops Denver Intl Toronto Pearson Intl
Multiple Airlines Logo
9:00 am - 11:51 amDUB  Dublin-ONT Ontario
34h 51m3 stops Toronto Pearson Intl Denver Intl Las Vegas Harry Reid Intl
$583Multiple Airlines
Wed, Dec 2 - Mon, Dec 7

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Iberia flights from Ontario to Ireland

Our best Iberia deals on Ontario to Ireland flight tickets
Iberia
Apr 27
ONT10:59 amOntario
14h 46m
1 stop
DUB9:45 amDublin
May 5
DUB11:45 amDublin
18h 50m
1 stop
ONT10:35 pmOntario
$744
Iberia
Nov 3
ONT7:00 amOntario
16h 10m
1 stop
DUB7:10 amDublin
Nov 10
DUB12:55 pmDublin
18h 02m
1 stop
ONT10:57 pmOntario
$870
Iberia
Nov 2
ONT7:00 amOntario
16h 10m
1 stop
DUB7:10 amDublin
Nov 9
DUB12:55 pmDublin
18h 51m
1 stop
ONT11:46 pmOntario
$920

Air France flights from Ontario to Ireland

Our best Air France deals on Ontario to Ireland flight tickets
Air France
Nov 8
ONT7:07 amOntario
16h 38m
1 stop
DUB7:45 amDublin
Nov 15
DUB9:40 amDublin
16h 54m
1 stop
ONT6:34 pmOntario
$960
Air France
Nov 8
ONT7:07 amOntario
16h 38m
1 stop
DUB7:45 amDublin
Nov 28
DUB9:55 amDublin
16h 39m
1 stop
ONT6:34 pmOntario
$1,440

momondo Fare Finder

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

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Route

Depart

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Price

Cheapest round-trip
Quickest round-trip

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Tue 12/8

6:00 am-10:15 am

2 stops20h 15m

Dublin

Tue 12/15

11:30 am-10:17 pm

2 stops18h 47m

$486

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Tue 12/8

6:00 am-10:15 am

2 stops20h 15m

Dublin

Tue 12/15

11:30 am-10:17 pm

2 stops18h 47m

$491

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Tue 12/8

6:00 am-10:15 am

2 stops20h 15m

Dublin

Tue 12/15

11:30 am-11:51 am

3 stops32h 21m

$539

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Thu 12/3

6:00 am-10:15 am

2 stops20h 15m

Dublin

Wed 12/16

11:30 am-8:05 am

3 stops28h 35m

$541

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Tue 12/8

6:00 am-10:15 am

2 stops20h 15m

Dublin

Tue 12/15

11:30 am-11:51 am

3 stops32h 21m

$544

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Tue 12/1

7:06 pm-10:15 am

3 stops31h 09m

Dublin

Tue 12/8

11:30 am-10:17 pm

2 stops18h 47m

$547

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Tue 12/1

7:06 pm-10:15 am

3 stops31h 09m

Dublin

Wed 12/9

11:30 am-10:17 pm

2 stops18h 47m

$548

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Tue 12/1

7:06 pm-10:15 am

3 stops31h 09m

Dublin

Tue 12/8

11:30 am-10:17 pm

2 stops18h 47m

$566

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Wed 12/2

6:00 am-7:10 am

2 stops17h 10m

Dublin

Mon 12/7

9:00 am-12:20 am

2 stops23h 20m

$576

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Wed 12/2

6:00 am-7:10 am

2 stops17h 10m

Dublin

Mon 12/7

9:00 am-11:51 am

3 stops34h 51m

$583

Flights are sorted by cheapest round-trip flights first.

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

How to get the cheapest flight ticket from Ontario to Ireland

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

Can stopping save me money on Ontario to Ireland flights?

You could potentially save up to 12% on your flight if you consider stops on a Ontario to Ireland flight.

Cheap Ontario to Ireland flight deals and tips

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

Best Price Found

$322

Fastest flight time

12h 45m

Direct flights

None
The best one-way flight to Ireland from Ontario in the past 72 hours is $322. The best round-trip flight deal from Ontario to Ireland found on momondo in the last 72 hours is $486.
The fastest flight from Ontario to Ireland takes 12h 45m
There are no direct flights from Ontario to Ireland. There are no popular flight routes from Ontario to Ireland.
Search flight deals

Frequently asked questions about flying from Ontario to Ireland

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

    Prices for flights from Ontario Airport to Ireland are refreshed on a daily basis.

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

    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 layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The necessary travel and health documents for your Ireland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ireland from Ontario.

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

momondo does allow users to show only those flights to Ireland from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

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 Ireland.

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

Yes. momondo can track prices for Ontario to Ireland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Ireland

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