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Cheap flights from Ontario to Ireland from $304

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 Ireland departing on 1/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ontario to Ireland

Cheap round-trip flights

These are some of the best round-trip flight deals from Ontario to Ireland that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ontario to Ireland.

Cheap last minute flights

Planning a quick getaway from Ontario to Ireland? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Ireland, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ontario to Ireland

Find recent round-trip train or bus tickets from Ontario to Ireland.

All round-trip flight deals to Ireland

The cheapest plane tickets to Ireland found on KAYAK recently.
6:00 am - 7:00 amONT-DUB
17h 00m2 stops
9:00 am - 8:40 pmDUB-ONT
43h 40m2 stops
$574United Airlines
Find Deal
Wed, Feb 5 - Wed, Feb 12
6:00 am - 6:10 amONT-DUB
41h 10m2 stops
9:50 am - 8:42 pmDUB-ONT
42h 52m2 stops
$579United Airlines
Find Deal
Sat, Mar 22 - Wed, Apr 2
10:36 am - 10:05 amONT-DUB
15h 29m2 stops
8:00 am - 12:44 pmDUB-ONT
35h 44m2 stops
$585United Airlines
Find Deal
Wed, Mar 5 - Mon, Mar 10
6:00 am - 12:55 pmONT-ORK
22h 55m2 stops
1:25 pm - 4:28 pmORK-ONT
35h 03m2 stops
$633Delta
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Mon, Jan 20 - Wed, Jan 29
7:00 am - 9:45 amONT-DUB
18h 45m1 stop
12:40 pm - 7:57 pmDUB-ONT
15h 17m1 stop
$792Iberia
Find Deal
Wed, Apr 23 - Mon, May 5
12:50 pm - 9:45 amONT-DUB
12h 55m1 stop
11:05 am - 11:35 pmDUB-ONT
20h 30m2 stops
$804Iberia
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Thu, Apr 24 - Thu, May 8
1:20 pm - 4:40 pmONT-DUB
20h 20m2 stops
12:00 pm - 10:43 pmDUB-ONT
17h 43m1 stop
$947Delta
Find Deal
Sat, Mar 22 - Tue, Mar 25
6:00 am - 9:40 amONT-DUB
19h 40m2 stops
12:45 pm - 11:58 pmDUB-ONT
19h 13m2 stops
$1,043British Airways
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Mon, Apr 21 - Wed, Apr 30
11:59 pm - 4:45 pmONT-SNN
32h 46m2 stops
8:05 pm - 6:37 pmSNN-ONT
30h 32m2 stops
$1,249British Airways
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Sun, Jan 5 - Sun, Jan 12
11:59 pm - 6:15 amONT-SNN
22h 16m2 stops
7:45 am - 9:58 pmSNN-ONT
22h 13m3 stops
$2,066American Airlines
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Sun, Jan 5 - Sun, Jan 12
7:45 am - 10:15 amONT-DUB
18h 30m2 stops
Wed, Jan 22
2:37 pm - 8:15 pmONT-DUB
45h 38m3 stops
Thu, Feb 6
7:56 am - 8:15 pmONT-DUB
28h 19m2 stops
Thu, Feb 6
7:00 am - 9:45 amONT-DUB
18h 45m1 stop
$473Iberia
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Wed, Apr 23
5:05 pm - 4:40 pmONT-DUB
15h 35m2 stops
$502Delta
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Fri, Apr 25
12:36 pm - 5:00 pmONT-DUB
20h 24m2 stops
$526British Airways
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Tue, Dec 31
4:25 pm - 5:05 pmONT-DUB
16h 40m2 stops
$529American Airlines
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Mon, Dec 30
10:29 pm - 8:25 amONT-DUB
25h 56m1 stop
$544Delta
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Mon, Dec 30
2:54 pm - 8:45 amONT-DUB
34h 51m1 stop
$564Iberia
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Sat, Mar 29
10:57 am - 7:45 pmONT-DUB
25h 48m2 stops
$579British Airways
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Fri, Mar 14
6:00 am - 10:05 amONT-DUB
20h 05m2 stops
9:00 am - 1:16 pmDUB-ONT
36h 16m2 stops
$1,494United Airlines
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Thu, Dec 26 - Sat, Dec 28
7:15 am - 1:30 pmONT-DUB
22h 15m2 stops
7:25 am - 11:57 pmDUB-ONT
24h 32m2 stops
$1,519Iberia
Find Deal
Wed, Dec 25 - Fri, Dec 27
6:52 am - 8:25 amONT-DUB
17h 33m1 stop
10:45 am - 10:46 amDUB-ONT
32h 01m2 stops
$2,083Delta
Find Deal
Thu, Dec 26 - Sat, Jan 4
10:46 am - 1:30 pmONT-DUB
18h 44m2 stops
7:25 am - 10:28 pmDUB-ONT
23h 03m2 stops
$2,294Iberia
Find Deal
Wed, Dec 25 - Fri, Dec 27
2:50 pm - 11:45 pmONT-DUB
48h 55m2 stops
7:25 am - 11:57 pmDUB-ONT
24h 32m2 stops
$2,438Iberia
Find Deal
Thu, Dec 26 - Thu, Jan 2
10:46 am - 1:30 pmONT-DUB
18h 44m2 stops
7:25 am - 10:28 pmDUB-ONT
23h 03m2 stops
$2,787Iberia
Find Deal
Wed, Dec 25 - Fri, Jan 3
6:52 am - 8:25 amONT-DUB
17h 33m1 stop
11:30 am - 11:41 pmDUB-ONT
20h 11m1 stop
$3,779KLM
Find Deal
Thu, Dec 26 - Thu, Jan 2
5:05 am - 4:40 pmONT-DUB
27h 35m3 stops
5:00 am - 8:49 pmDUB-ONT
23h 49m2 stops
$5,655
Find Deal
Thu, Dec 26 - Sat, Jan 4
2:50 pm - 1:30 pmONT-DUB
38h 40m2 stops
4:15 pm - 10:45 pmDUB-ONT
38h 30m2 stops
$8,100Iberia
Find Deal
Thu, Dec 26 - Mon, Jan 6

KLM flights from Ontario to Ireland

Our best KLM deals on Ontario to Ireland flight tickets
KLM
Mar 5
ONT1:05 pmOntario
12h 40m
1 stop
DUB9:45 amDublin
Mar 10
DUB12:00 pmDublin
17h 43m
1 stop
ONT10:43 pmOntario
KLM
Mar 2
ONT1:05 pmOntario
12h 40m
1 stop
DUB9:45 amDublin
Mar 7
DUB12:00 pmDublin
18h 52m
1 stop
ONT10:52 pmOntario
KLM
Mar 2
ONT7:05 amOntario
17h 40m
2 stops
DUB8:45 amDublin
Mar 7
DUB12:00 pmDublin
18h 52m
1 stop
ONT10:52 pmOntario

United Airlines flights from Ontario to Ireland

Our best United Airlines deals on Ontario to Ireland flight tickets
United Airlines
Feb 5
ONT6:00 amOntario
17h 00m
2 stops
DUB7:00 amDublin
Feb 12
DUB9:00 amDublin
43h 40m
2 stops
ONT8:40 pmOntario
United Airlines
Mar 22
ONT6:00 amOntario
41h 10m
2 stops
DUB6:10 amDublin
Apr 2
DUB9:50 amDublin
42h 52m
2 stops
ONT8:42 pmOntario
United Airlines
Mar 5
ONT10:36 amOntario
15h 29m
2 stops
DUB10:05 amDublin
Mar 10
DUB8:00 amDublin
35h 44m
2 stops
ONT12:44 pmOntario

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

What is the cheapest month to fly to Ireland?

In general, November is the cheapest month to fly from Ontario to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $507. If you aren’t able to travel to Ireland during the month of November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $585.

What is the cheapest day to depart on your flight to Ireland?

The cheapest day to depart on your flight to Ireland is on a Wednesday when prices can be found for as low as $726. This is often the case because there is less demand to fly during this day of the week. Flights from Ontario to Ireland on a Friday will generally be more expensive and average around $927. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ireland?

According to our data, the cheapest time of day to fly to Ireland is at noon. momondo users have found flights departing from Ontario to Ireland at noon for as low as $818. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the morning when prices are around $871.

Can stopping save me money on Ontario to Ireland flights?

You could potentially save up to 31% 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

$304

Fastest flight time

12h 40m

Direct flights

None

Airports in Ireland

2 airports
The best one-way flight to Ireland from Ontario in the past 72 hours is $304. The best round-trip flight deal from Ontario to Ireland found on momondo in the last 72 hours is $574.
The fastest flight from Ontario to Ireland takes 12h 40m
There are no direct flights from Ontario to Ireland. Popular non-direct routes for this connection are Ontario Airport - Dublin Airport and Ontario Airport - Cork Airport.
There are 2 airports near Ireland: Dublin (DUB), Cork (ORK)

  • 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 many operators does momondo search for flights from Ontario Airport to Ireland?

  • 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.


Best airlines flying from Ontario to Ireland

Compare and see reviews for airlines that fly from Ontario to Ireland with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $507Free CancellationRating
7.4
9,020 reviews
Search United Airlines flights
American AirlinesPriceFrom $557Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $580Free CancellationRating
7.0
2,651 reviews
Search Iberia flights
British AirwaysPriceFrom $610Free CancellationRating
6.6
6,810 reviews
Search British Airways flights
KLMPriceFrom $653Free CancellationRating
7.8
1,345 reviews
Search KLM flights
DeltaPriceFrom $807Free CancellationRating
8.0
8,588 reviews
Search Delta flights

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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