ONT - DUB

€323 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 6/10. 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.
1 adult
1 adult, Economy

KAYAK searches 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
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ontario to Dublin (ONT-DUB)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Ontario to Dublin that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Ontario to Dublin

Mon, 20 Oct - Wed, 5 Nov
Delta Logo
11:36 - 08:45ONT-DUB
13h 09m1 stop
Delta Logo
09:45 - 19:19DUB-ONT
17h 34m1 stop
€404Delta
Find Deal
Mon, 20 Oct - Wed, 5 Nov
Delta Logo
11:36 - 08:45ONT-DUB
13h 09m1 stop
Delta Logo
09:45 - 19:19DUB-ONT
17h 34m1 stop
€406Delta
Find Deal
Mon, 20 Oct - Wed, 5 Nov
KLM Logo
11:36 - 08:45ONT-DUB
13h 09m1 stop
KLM Logo
09:45 - 19:19DUB-ONT
17h 34m1 stop
€411KLM
Find Deal
Wed, 29 Oct - Thu, 6 Nov
United Airlines Logo
07:00 - 08:10ONT-DUB
18h 10m1 stop
United Airlines Logo
12:05 - 22:51DUB-ONT
18h 46m2 stops
€412United Airlines
Find Deal
Wed, 29 Oct - Thu, 6 Nov
United Airlines Logo
07:00 - 09:55ONT-DUB
19h 55m2 stops
United Airlines Logo
09:30 - 22:31DUB-ONT
21h 01m2 stops
€417United Airlines
Find Deal
Tue, 28 Oct - Mon, 3 Nov
Air Canada Logo
05:05 - 06:10ONT-DUB
18h 05m2 stops
Air Canada Logo
09:00 - 20:44DUB-ONT
43h 44m2 stops
€437Air Canada
Find Deal
Mon, 27 Oct - Sun, 9 Nov
United Airlines Logo
07:00 - 08:10ONT-DUB
18h 10m1 stop
United Airlines Logo
10:40 - 22:31DUB-ONT
19h 51m1 stop
€455United Airlines
Find Deal
Wed, 22 Oct - Fri, 31 Oct
KLM Logo
11:36 - 08:45ONT-DUB
13h 09m1 stop
KLM Logo
09:45 - 19:19DUB-ONT
16h 34m1 stop
€485KLM
Find Deal
Wed, 15 Oct - Tue, 21 Oct
Iberia Logo
12:47 - 09:45ONT-DUB
12h 58m1 stop
Iberia Logo
12:40 - 22:42DUB-ONT
18h 02m1 stop
€489Iberia
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Iberia Logo
07:00 - 07:10ONT-DUB
16h 10m1 stop
Iberia Logo
12:55 - 22:28DUB-ONT
17h 33m1 stop
€499Iberia
Find Deal

Everything you should know

When to travel
December
Cheapest • 26% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest return fare
€404
Overall average: €678
Delta
Mon 20/10Wed 5/11
ONT - DUB • 1 stop
Cheapest one-way flight
€323
JetBlue
Mon 6/10
ONT - DUB • 1 stop
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Dublin!
Booking Insights

KAYAK's insights & trends for Ontario to Dublin flights

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 round-trip 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 December, where tickets cost €489 (return) on average. On the other hand, the most expensive months are April and July, where the average cost of round-trip tickets is €834 and €797 respectively.

Good to know

Low seasonDecember
Cheapest flight€323
Best time to beat the crowds (26% less expensive on average)
Most popular time to fly (21% 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 €378 for a one-way ticket and €473 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.

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

Information on your arrival and departure airports

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