ONT - DUB

€410 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 30/5. 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, 0 bags

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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Everything you should know

Cheapest return fare
€724
United Airlines
Wed 6/5Wed 13/5
ONT - DUB • 1 stop
Cheapest one-way flight
€410
JetBlue
Sat 30/5
ONT - DUB • 1 stop
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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

Wed, 6 May - Wed, 13 May
United Airlines Logo
07:00 - 09:45
ONT
-
DUB
18h 45m
1 stop
United Airlines Logo
09:20 - 22:35
DUB
-
ONT
45h 15m
2 stops
€724United Airlines
Wed, 6 May - Wed, 13 May
United Airlines Logo
05:00 - 07:30
ONT
-
DUB
18h 30m
2 stops
United Airlines Logo
09:20 - 22:35
DUB
-
ONT
45h 15m
2 stops
€727United Airlines
Mon, 7 Sep - Wed, 16 Sep
JetBlue Logo
23:50 - 09:00
ONT
-
DUB
25h 10m
1 stop
JetBlue Logo
11:30 - 20:13
DUB
-
ONT
16h 43m
1 stop
€736JetBlue
Sun, 26 Apr - Tue, 12 May
KLM Logo
06:00 - 07:55
ONT
-
DUB
17h 55m
2 stops
KLM Logo
11:10 - 22:34
DUB
-
ONT
19h 24m
2 stops
€738KLM
Wed, 9 Sep - Wed, 16 Sep
Multiple Airlines Logo
08:00 - 07:45
ONT
-
DUB
15h 45m
2 stops
Multiple Airlines Logo
09:50 - 18:11
DUB
-
ONT
16h 21m
2 stops
€739Multiple Airlines
Sun, 26 Apr - Tue, 12 May
KLM Logo
07:05 - 08:45
ONT
-
DUB
17h 40m
1 stop
KLM Logo
11:00 - 21:48
DUB
-
ONT
18h 48m
1 stop
€742KLM
Tue, 18 Aug - Tue, 1 Sep
Delta Logo
07:00 - 08:45
ONT
-
DUB
17h 45m
1 stop
Delta Logo
05:55 - 21:56
DUB
-
ONT
24h 01m
2 stops
€744Delta
Sun, 26 Apr - Tue, 12 May
Iberia Logo
10:59 - 09:45
ONT
-
DUB
14h 46m
1 stop
Iberia Logo
12:40 - 20:54
DUB
-
ONT
16h 14m
1 stop
€745Iberia
Tue, 1 Sep - Thu, 10 Sep
United Airlines Logo
07:00 - 09:45
ONT
-
DUB
18h 45m
1 stop
United Airlines Logo
11:35 - 18:19
DUB
-
ONT
14h 44m
1 stop
€747United Airlines
Tue, 18 Aug - Tue, 1 Sep
Delta Logo
22:59 - 09:15
ONT
-
DUB
26h 16m
2 stops
Delta Logo
05:55 - 22:40
DUB
-
ONT
24h 45m
2 stops
€747Delta
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.

Which airlines provide the cheapest flights from Ontario to Dublin?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest return tickets from Ontario to Dublin were found on United Airlines (€724) and JetBlue (€736).

Find deals

Good to know

Cheapest flight€410
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 €724 for a return.

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

    We unfortunately don’t have that data for this specific 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

Ontario (ONT)
Dublin (DUB)