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ONT - DUB

€377 Find cheap flights from Ontario to Dublin

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Dublin departing on 27/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Dublin, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Dublin, as well as popular online travel agencies
In the last 7 days, travellers have searched 46,479,581 times on KAYAK, and here's why:

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Cheap flight deals from Ontario to Dublin (ONT-DUB)

 
These are the cheapest deals for flights from Ontario to Dublin currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Ontario to Dublin

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Ontario to Dublin.

Recent one-way flight deals from Ontario to Dublin

Only flying one-way? Below are some of the best one-way flight deals from Ontario to Dublin found on KAYAK recently.

Recent last-minute flight deals from Ontario to Dublin

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from Ontario to Dublin.

Recent direct flight deals from Ontario to Dublin

The latest deals for direct flights from Ontario to Dublin so you can sit back and relax without the need for a layover.

Cheap bus & train deals from Ontario to Dublin

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

All round-trip flight deals to Dublin

The cheapest plane tickets to Dublin found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
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05:10 - 07:10ONT-DUB
18h 00m2 stops
09:00 - 21:10DUB-ONT
44h 10m2 stops
€453Air Canada
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Fri, 10 Jan - Sun, 19 Jan
22:00 - 08:45ONT-DUB
26h 45m2 stops
11:30 - 19:42DUB-ONT
16h 12m1 stop
€456Delta
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Thu, 14 Nov - Thu, 28 Nov
10:35 - 10:05ONT-DUB
15h 30m2 stops
09:00 - 22:02DUB-ONT
21h 02m2 stops
€463United Airlines
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Wed, 13 Nov - Wed, 20 Nov
06:00 - 10:05ONT-DUB
20h 05m3 stops
09:00 - 22:02DUB-ONT
21h 02m2 stops
€468United Airlines
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Thu, 14 Nov - Thu, 21 Nov
07:10 - 08:25ONT-DUB
17h 15m1 stop
11:30 - 19:42DUB-ONT
16h 12m1 stop
€503KLM
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Thu, 14 Nov - Thu, 21 Nov
07:10 - 08:25ONT-DUB
17h 15m1 stop
11:30 - 19:41DUB-ONT
16h 11m1 stop
€515KLM
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Tue, 10 Dec - Thu, 26 Dec
15:03 - 17:35ONT-DUB
18h 32m2 stops
12:40 - 19:57DUB-ONT
15h 17m1 stop
€575
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Wed, 23 Apr - Wed, 7 May
15:03 - 17:35ONT-DUB
18h 32m2 stops
07:45 - 19:57DUB-ONT
20h 12m2 stops
€588
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Wed, 23 Apr - Wed, 7 May
11:02 - 09:45ONT-DUB
14h 43m1 stop
12:40 - 20:03DUB-ONT
15h 23m1 stop
€619Iberia
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Wed, 2 Apr - Wed, 30 Apr
08:48 - 09:45ONT-DUB
16h 57m1 stop
12:40 - 23:35DUB-ONT
18h 55m1 stop
€723Iberia
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Wed, 23 Apr - Wed, 21 May
06:00 - 10:05ONT-DUB
20h 05m3 stops
€377United Airlines
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Wed, 27 Nov
18:50 - 10:05ONT-DUB
31h 15m2 stops
€383United Airlines
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Sat, 28 Dec
07:10 - 08:25ONT-DUB
17h 15m1 stop
€401KLM
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Sun, 1 Dec
12:39 - 09:45ONT-DUB
13h 06m1 stop
€403KLM
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Mon, 3 Mar
22:29 - 08:25ONT-DUB
25h 56m1 stop
€404Delta
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Mon, 30 Dec
16:25 - 09:50ONT-DUB
33h 25m2 stops
€422British Airways
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Fri, 27 Dec
14:53 - 13:30ONT-DUB
38h 37m2 stops
€555Iberia
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Sun, 1 Dec
22:29 - 08:25ONT-DUB
25h 56m1 stop
€573Delta
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Sat, 28 Dec
14:50 - 15:40ONT-DUB
16h 50m2 stops
€769British Airways
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Mon, 23 Dec
07:15 - 13:30ONT-DUB
22h 15m2 stops
€805Iberia
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Thu, 19 Dec
10:35 - 10:05ONT-DUB
15h 30m2 stops
11:50 - 22:23DUB-ONT
18h 33m2 stops
€732United Airlines
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Tue, 5 Nov - Tue, 12 Nov
10:35 - 10:05ONT-DUB
15h 30m2 stops
11:50 - 22:23DUB-ONT
18h 33m2 stops
€1,050United Airlines
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Mon, 4 Nov - Sun, 10 Nov
10:35 - 10:05ONT-DUB
15h 30m2 stops
11:50 - 22:23DUB-ONT
18h 33m2 stops
€1,053United Airlines
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Tue, 5 Nov - Mon, 11 Nov
05:00 - 06:00ONT-DUB
17h 00m2 stops
11:50 - 20:44DUB-ONT
16h 54m2 stops
€1,271United Airlines
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Sun, 3 Nov - Thu, 7 Nov
10:35 - 10:05ONT-DUB
16h 30m2 stops
09:00 - 22:23DUB-ONT
21h 23m2 stops
€1,435United Airlines
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Fri, 1 Nov - Fri, 8 Nov
07:04 - 08:25ONT-DUB
17h 21m1 stop
11:30 - 19:42DUB-ONT
16h 12m1 stop
€1,476KLM
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Tue, 5 Nov - Tue, 12 Nov
13:20 - 12:40ONT-DUB
16h 20m2 stops
11:30 - 19:42DUB-ONT
16h 12m1 stop
€2,494KLM
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Fri, 1 Nov - Thu, 14 Nov
07:04 - 08:25ONT-DUB
17h 21m1 stop
11:30 - 22:54DUB-ONT
19h 24m1 stop
€2,532KLM
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Sun, 3 Nov - Thu, 7 Nov
07:04 - 08:25ONT-DUB
17h 21m1 stop
11:30 - 22:54DUB-ONT
19h 24m1 stop
€13,381KLM
Find Deal
Sun, 3 Nov - Thu, 7 Nov

Flights from Ontario to Dublin - Travel Insights & Trends

Get data-powered insights and trends into flights from Ontario to Dublin to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Ontario to Dublin?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Ontario to Dublin, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Ontario to Dublin is February, where tickets cost €491 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is €973 and €857 respectively.

How far in advance should I book a flight from Ontario to Dublin?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Ontario to Dublin, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Ontario to Dublin, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 118 days before departure.

Good to know

Low season

August

High season

May

Cheapest flight

€377
Best time to beat the crowds but there is an average 7% increase in price.
Most popular time to fly (52% more expensive on average)
Flight from Ontario to Dublin

When to book flights from Ontario to Dublin

Are your dates flexible? Find out the best times to travel from Ontario to Dublin based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Ontario to Dublin

  • What is the cheapest flight from Ontario to Dublin?

    In the last 3 days, the lowest price for a flight from Ontario to Dublin was €410 for a one-way ticket and €492 for a return.

  • Which aircraft models fly most regularly from Ontario to Dublin?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Ontario to Dublin?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Ontario and Dublin, with oneworld being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Ontario to Dublin?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Dublin.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Dublin?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dublin from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Dublin?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Dublin with an airline and back to Ontario with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Dublin?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Dublin from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Ontario to Dublin

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Ontario to Dublin found on KAYAK in the last 72 hours.
27/11Wed
3 stopsUnited Airlines
20h 05mONT-DUB
€377
28/12Sat
2 stopsUnited Airlines
31h 15mONT-DUB
€383
1/12Sun
1 stopKLM
17h 15mONT-DUB
€401
3/3Mon
1 stopKLM
13h 06mONT-DUB
€403
30/12Mon
1 stopDelta
25h 56mONT-DUB
€404
27/12Fri
2 stopsBritish Airways
33h 25mONT-DUB
€422
1/12Sun
2 stopsIberia
38h 37mONT-DUB
€555
28/12Sat
1 stopDelta
25h 56mONT-DUB
€573
23/12Mon
2 stopsBritish Airways
16h 50mONT-DUB
€769
19/12Thu
2 stopsIberia
22h 15mONT-DUB
€805

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Last minute flights from Ontario to Dublin

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Ontario to Dublin that are departing in the next 10 days.
5/11Tue
multi-stopUnited Airlines
15h 30mONT-DUB
12/11Tue
multi-stopUnited Airlines
18h 33mDUB-ONT
€732
4/11Mon
multi-stopUnited Airlines
15h 30mONT-DUB
10/11Sun
multi-stopUnited Airlines
18h 33mDUB-ONT
€1,050
5/11Tue
multi-stopUnited Airlines
15h 30mONT-DUB
11/11Mon
multi-stopUnited Airlines
18h 33mDUB-ONT
€1,053
3/11Sun
multi-stopUnited Airlines
17h 00mONT-DUB
7/11Thu
multi-stopUnited Airlines
16h 54mDUB-ONT
€1,271
1/11Fri
multi-stopUnited Airlines
16h 30mONT-DUB
8/11Fri
multi-stopUnited Airlines
21h 23mDUB-ONT
€1,435
5/11Tue
multi-stopKLM
17h 21mONT-DUB
12/11Tue
multi-stopKLM
16h 12mDUB-ONT
€1,476
1/11Fri
multi-stopKLM
16h 20mONT-DUB
14/11Thu
multi-stopKLM
16h 12mDUB-ONT
€2,494
3/11Sun
multi-stopKLM
17h 21mONT-DUB
7/11Thu
multi-stopKLM
19h 24mDUB-ONT
€2,532
3/11Sun
multi-stopKLM
17h 21mONT-DUB
7/11Thu
multi-stopKLM
19h 24mDUB-ONT
€13,381

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Everything you need to know for your flight from Ontario to Dublin

Information on your arrival and departure airports