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Cheap flights from Ontario to Dublin 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 Dublin 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 Dublin

Cheap round-trip flights

These are some of the best round-trip flight deals from Ontario to Dublin 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 Dublin.

Cheap last minute flights

Planning a quick getaway from Ontario to Dublin? 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 Dublin, so you can enjoy a seamless trip without layovers.

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.
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
10:57 am - 11:15 amONT-DUB
17h 18m2 stops
12:40 pm - 7:01 pmDUB-ONT
14h 21m1 stop
$607American Airlines
Find Deal
Sat, Mar 22 - Wed, Apr 2
1:32 pm - 5:05 pmONT-DUB
19h 33m2 stops
8:55 pm - 5:49 pmDUB-ONT
28h 54m2 stops
$610British Airways
Find Deal
Tue, Apr 1 - Mon, Apr 7
1:31 am - 9:45 amONT-DUB
24h 14m1 stop
12:40 pm - 11:42 pmDUB-ONT
19h 02m1 stop
$616American Airlines
Find Deal
Mon, Mar 31 - Mon, Apr 7
6:00 am - 3:40 pmONT-DUB
25h 40m2 stops
12:00 pm - 10:52 pmDUB-ONT
18h 52m1 stop
$623Delta
Find Deal
Fri, Feb 21 - Fri, Feb 28
2:44 pm - 5:00 pmONT-DUB
19h 16m2 stops
8:35 pm - 5:52 pmDUB-ONT
28h 17m2 stops
$654British Airways
Find Deal
Fri, Mar 21 - Sat, Mar 29
12:50 pm - 9:45 amONT-DUB
12h 55m1 stop
11:05 am - 11:51 pmDUB-ONT
20h 46m2 stops
$804Iberia
Find Deal
Mon, Apr 14 - Thu, Apr 24
12:50 pm - 9:45 amONT-DUB
12h 55m1 stop
12:40 pm - 10:00 pmDUB-ONT
17h 20m1 stop
$878Iberia
Find Deal
Sat, Apr 19 - Sat, Apr 26
7:00 am - 3:40 pmONT-DUB
25h 40m2 stops
12:00 pm - 10:43 pmDUB-ONT
17h 43m1 stop
$942Delta
Find Deal
Sat, Mar 22 - Tue, Mar 25
7:45 am - 10:15 amONT-DUB
18h 30m2 stops
Wed, Jan 22
6:00 am - 7:00 amONT-DUB
17h 00m2 stops
$446United Airlines
Find Deal
Mon, Jan 20
6:00 am - 6:10 amONT-DUB
17h 10m2 stops
Sun, Mar 9
7:05 am - 9:45 amONT-DUB
18h 40m1 stop
$457KLM
Find Deal
Thu, Feb 27
12:59 am - 12:35 pmONT-DUB
27h 36m2 stops
$525British Airways
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Sun, Dec 29
12:36 pm - 5:00 pmONT-DUB
20h 24m2 stops
$526British Airways
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Tue, Dec 31
6:52 am - 8:25 amONT-DUB
17h 33m1 stop
$533KLM
Find Deal
Tue, Dec 31
10:29 pm - 8:25 amONT-DUB
25h 56m1 stop
$544Delta
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Mon, Dec 30
11:02 am - 1:30 pmONT-DUB
19h 28m2 stops
$586Iberia
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Fri, Mar 21
3:00 pm - 9:45 amONT-DUB
34h 45m1 stop
$591Iberia
Find Deal
Mon, May 12
5:05 am - 7:00 amONT-DUB
17h 55m2 stops
9:00 am - 9:57 pmDUB-ONT
20h 57m2 stops
$1,371United Airlines
Find Deal
Mon, Dec 23 - Thu, Jan 9
6:10 am - 7:00 amONT-DUB
16h 50m2 stops
11:50 am - 10:29 pmDUB-ONT
18h 39m2 stops
$1,470United Airlines
Find Deal
Wed, Dec 25 - Mon, Dec 30
6:00 am - 10:05 amONT-DUB
20h 05m2 stops
9:00 am - 1:16 pmDUB-ONT
36h 16m2 stops
$1,494United Airlines
Find Deal
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
7:15 am - 1:30 pmONT-DUB
22h 15m2 stops
7:25 am - 11:57 pmDUB-ONT
24h 32m2 stops
$1,824Iberia
Find Deal
Mon, Dec 23 - Wed, Jan 1
10:39 am - 10:05 amONT-DUB
15h 26m2 stops
11:50 am - 11:00 pmDUB-ONT
19h 10m2 stops
$2,017United Airlines
Find Deal
Mon, Dec 23 - Mon, Dec 30
6:52 am - 8:25 amONT-DUB
17h 33m1 stop
10:45 am - 12:28 amDUB-ONT
21h 43m2 stops
$2,083Delta
Find Deal
Thu, Dec 26 - Sat, Jan 4
5:30 am - 3:40 pmONT-DUB
26h 10m2 stops
10:45 am - 12:28 amDUB-ONT
21h 43m2 stops
$2,100Delta
Find Deal
Thu, Dec 26 - Sat, Jan 4
5:05 am - 6:15 pmONT-DUB
29h 10m3 stops
8:30 am - 9:58 amDUB-ONT
33h 28m3 stops
$2,429
Find Deal
Mon, Dec 23 - Mon, Dec 30
10:40 am - 10:15 amONT-DUB
15h 35m2 stops
11:30 am - 11:59 pmDUB-ONT
20h 29m2 stops
$3,963
Find Deal
Mon, Dec 23 - Mon, Dec 30

KLM flights from Ontario to Dublin

Our best KLM deals on Ontario to Dublin flight tickets
KLM
Mar 24
ONT7:00 amOntario
19h 45m
1 stop
DUB9:45 amDublin
Mar 31
DUB11:00 amDublin
19h 58m
1 stop
ONT10:58 pmOntario
KLM
Apr 21
ONT7:00 amOntario
17h 45m
1 stop
DUB8:45 amDublin
Apr 28
DUB11:00 amDublin
19h 41m
1 stop
ONT10:41 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

United Airlines flights from Ontario to Dublin

Our best United Airlines deals on Ontario to Dublin 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
Feb 21
ONT5:05 amOntario
17h 55m
2 stops
DUB7:00 amDublin
Feb 28
DUB9:00 amDublin
35h 42m
2 stops
ONT12:42 pmOntario

See travel insights to Dublin from

How to get the cheapest flight ticket from Ontario to Dublin

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 Dublin?

In general, February is the cheapest month to fly from Ontario to Dublin. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $532. If you’re not able to fly to Dublin in February, then November is your next best option. Flight prices from Ontario to Dublin during November average around $554.

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

The cheapest day to depart from Ontario to Dublin is on a Monday. Travelers who choose to depart for Dublin on a Monday will often find tickets for as low as $734. Flights from Ontario to Dublin on a Saturday will generally be more expensive and average around $836. 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 Dublin?

In the afternoon is the cheapest time of day to fly from Ontario to Dublin when you can find flight prices for as low as $666. Flying to Dublin in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive with an average ticket price of $849.

Can stopping save me money on Ontario to Dublin flights?

You could potentially save up to 31% on your flight if you consider stops on a Ontario to Dublin flight.

When to book flights from Ontario to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Dublin (ONT to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Dublin

Best Price Found

$304

Fastest flight time

12h 40m

Direct flights

None

Airports in Dublin

1 airport
The best one-way flight to Dublin from Ontario in the past 72 hours is $304. The best round-trip flight deal from Ontario to Dublin found on momondo in the last 72 hours is $574.
The fastest flight from Ontario to Dublin takes 12h 40m
There are no direct flights from Ontario to Dublin. Popular non-direct route for this connection is Ontario Airport - Dublin Airport.
There is 1 airport near Dublin: Dublin (DUB)

  • How far is Ontario to Dublin by plane?

    The distance between Ontario and Dublin is about 5136.8 mi. Typically, this will take 12h 40m by plane in normal conditions.

  • When did momondo last update prices for flights from Ontario Airport to Dublin Airport?

    Prices for flights from Ontario Airport to Dublin Airport were last updated today.

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

  • How old do you have to be to fly from Ontario Airport to Dublin Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The required travel and health documents for your Dublin Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Ontario to Dublin?


Best airlines flying from Ontario to Dublin

Compare and see reviews for airlines that fly from Ontario to Dublin with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $507Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights
American AirlinesPriceFrom $557Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $580Free CancellationRating
7.0
2,652 reviews
Search Iberia flights
British AirwaysPriceFrom $610Free CancellationRating
6.6
6,815 reviews
Search British Airways flights
KLMPriceFrom $653Free CancellationRating
7.8
1,342 reviews
Search KLM flights
DeltaPriceFrom $807Free CancellationRating
8.0
8,594 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Dublin?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Dublin. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Dublin with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Dublin flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Dublin?

momondo helps you find the best flight between Ontario and Dublin by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ontario to Dublin right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Dublin 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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