ONT - DUB

€381 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 2/4. 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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Search hundreds of travel sites at once for deals on flights to Dublin

 
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 47,946,175 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.
Choose your dates
06:00 - 10:05ONT-DUB
21h 05m3 stops
09:50 - 15:46DUB-ONT
37h 56m2 stops
€454
Find Deal
ter, 25 mar - ter, 1 abr
06:00 - 06:10ONT-DUB
41h 10m2 stops
09:50 - 12:33DUB-ONT
34h 43m2 stops
€455United Airlines
Find Deal
sáb, 22 mar - ter, 1 abr
11:02 - 10:15ONT-DUB
16h 13m2 stops
12:40 - 20:16DUB-ONT
15h 36m1 stop
€472American Airlines
Find Deal
ter, 25 mar - ter, 1 abr
01:31 - 15:05ONT-DUB
30h 34m2 stops
10:50 - 21:42DUB-ONT
18h 52m2 stops
€514British Airways
Find Deal
sáb, 22 mar - ter, 1 abr
12:39 - 09:45ONT-DUB
14h 06m1 stop
11:00 - 22:58DUB-ONT
19h 58m1 stop
€548Air France
Find Deal
seg, 24 mar - ter, 1 abr
07:00 - 08:45ONT-DUB
18h 45m2 stops
11:00 - 22:58DUB-ONT
19h 58m1 stop
€552KLM
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seg, 24 mar - ter, 1 abr
12:39 - 09:45ONT-DUB
14h 06m1 stop
11:00 - 22:58DUB-ONT
19h 58m1 stop
€677Air France
Find Deal
ter, 25 mar - ter, 1 abr
15:08 - 15:00ONT-DUB
16h 52m2 stops
12:40 - 20:16DUB-ONT
15h 36m1 stop
€682American Airlines
Find Deal
sáb, 22 mar - ter, 1 abr
13:32 - 17:40ONT-DUB
21h 08m2 stops
20:35 - 21:42DUB-ONT
32h 07m2 stops
€693British Airways
Find Deal
sáb, 15 mar - sáb, 22 mar
07:00 - 09:45ONT-DUB
18h 45m1 stop
12:00 - 22:58DUB-ONT
17h 58m1 stop
€728KLM
Find Deal
sáb, 1 mar - dom, 9 mar
06:00 - 10:20ONT-DUB
20h 20m2 stops
€381United Airlines
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qua, 2 abr
05:05 - 07:00ONT-DUB
17h 55m2 stops
€387United Airlines
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ter, 31 dez
18:38 - 07:10ONT-DUB
28h 32m2 stops
€393United Airlines
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sex, 17 jan
07:00 - 08:45ONT-DUB
17h 45m1 stop
€412KLM
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dom, 30 mar
22:29 - 08:25ONT-DUB
25h 56m1 stop
€422Delta
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seg, 30 dez
15:03 - 09:45ONT-DUB
34h 42m1 stop
€468Iberia
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qua, 9 abr
00:59 - 17:45ONT-DUB
32h 46m2 stops
€549British Airways
Find Deal
dom, 29 dez
22:29 - 08:25ONT-DUB
25h 56m1 stop
€608Delta
Find Deal
sáb, 28 dez
07:00 - 09:45ONT-DUB
18h 45m1 stop
€796KLM
Find Deal
sex, 28 fev
12:37 - 10:15ONT-DUB
61h 38m2 stops
€911Iberia
Find Deal
sáb, 21 dez
06:10 - 07:00ONT-DUB
16h 50m2 stops
11:50 - 22:23DUB-ONT
18h 33m2 stops
€840United Airlines
Find Deal
qui, 21 nov - ter, 26 nov
10:35 - 10:05ONT-DUB
15h 30m2 stops
09:00 - 22:23DUB-ONT
21h 23m2 stops
€884United Airlines
Find Deal
sáb, 23 nov - seg, 25 nov
10:00 - 13:10ONT-DUB
19h 10m2 stops
16:30 - 23:59DUB-ONT
15h 29m1 stop
€1,139
Find Deal
qui, 21 nov - seg, 25 nov
10:35 - 10:05ONT-DUB
15h 30m2 stops
09:00 - 19:57DUB-ONT
18h 57m2 stops
€1,405United Airlines
Find Deal
qui, 21 nov - qui, 28 nov
13:32 - 13:10ONT-DUB
15h 38m1 stop
04:25 - 18:02DUB-ONT
21h 37m2 stops
€1,618
Find Deal
qui, 21 nov - dom, 24 nov
06:00 - 07:00ONT-DUB
17h 00m2 stops
11:50 - 22:02DUB-ONT
18h 12m2 stops
€1,767United Airlines
Find Deal
sex, 22 nov - dom, 24 nov
13:32 - 13:10ONT-DUB
15h 38m1 stop
12:30 - 15:05DUB-ONT
34h 35m1 stop
€1,840
Find Deal
qui, 21 nov - seg, 25 nov
07:10 - 08:25ONT-DUB
17h 15m1 stop
11:30 - 23:01DUB-ONT
19h 31m1 stop
€4,202KLM
Find Deal
qui, 21 nov - qui, 5 dez
07:10 - 08:25ONT-DUB
17h 15m1 stop
11:30 - 19:42DUB-ONT
16h 12m1 stop
€4,682KLM
Find Deal
qui, 21 nov - qui, 28 nov
07:10 - 08:25ONT-DUB
17h 15m1 stop
11:30 - 19:42DUB-ONT
16h 12m1 stop
€4,761KLM
Find Deal
qui, 21 nov - ter, 26 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 €498 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is €1,006 and €878 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

€381
Best time to beat the crowds but there is an average 8% increase in price.
Most popular time to fly (37% 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 €403 for a one-way ticket and €481 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 SkyTeam 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.
2/4qua
2 stopsUnited Airlines
20h 20mONT-DUB
€381
31/12ter
2 stopsUnited Airlines
17h 55mONT-DUB
€387
17/1sex
2 stopsUnited Airlines
28h 32mONT-DUB
€393
30/3dom
1 stopKLM
17h 45mONT-DUB
€412
30/12seg
1 stopDelta
25h 56mONT-DUB
€422
9/4qua
1 stopIberia
34h 42mONT-DUB
€468
29/12dom
2 stopsBritish Airways
32h 46mONT-DUB
€549
28/12sáb
1 stopDelta
25h 56mONT-DUB
€608
28/2sex
1 stopKLM
18h 45mONT-DUB
€796
21/12sáb
2 stopsIberia
61h 38mONT-DUB
€911

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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.
21/11qui
multi-stopUnited Airlines
16h 50mONT-DUB
26/11ter
multi-stopUnited Airlines
18h 33mDUB-ONT
€840
23/11sáb
multi-stopUnited Airlines
15h 30mONT-DUB
25/11seg
multi-stopUnited Airlines
21h 23mDUB-ONT
€884
21/11qui
multi-stop
19h 10mONT-DUB
25/11seg
multi-stop
15h 29mDUB-ONT
€1,139
21/11qui
multi-stopUnited Airlines
15h 30mONT-DUB
28/11qui
multi-stopUnited Airlines
18h 57mDUB-ONT
€1,405
21/11qui
multi-stop
15h 38mONT-DUB
24/11dom
multi-stop
21h 37mDUB-ONT
€1,618
22/11sex
multi-stopUnited Airlines
17h 00mONT-DUB
24/11dom
multi-stopUnited Airlines
18h 12mDUB-ONT
€1,767
21/11qui
multi-stop
15h 38mONT-DUB
25/11seg
multi-stop
34h 35mDUB-ONT
€1,840
21/11qui
multi-stopKLM
17h 15mONT-DUB
5/12qui
multi-stopKLM
19h 31mDUB-ONT
€4,202
21/11qui
multi-stopKLM
17h 15mONT-DUB
28/11qui
multi-stopKLM
16h 12mDUB-ONT
€4,682
21/11qui
multi-stopKLM
17h 15mONT-DUB
26/11ter
multi-stopKLM
16h 12mDUB-ONT
€4,761

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Search by price

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

Information on your arrival and departure airports

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