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Cheap flights from Ontario to Dublin from $317

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Ontario to Dublin

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 10:15 amONT  Ontario-DUB Dublin
20h 15m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 am - 10:17 pmDUB  Dublin-ONT Ontario
18h 47m2 stops Reykjavik Keflavik Intl Denver Intl
$588Multiple Airlines
Thu, Dec 3 - Wed, Dec 9
Multiple Airlines Logo
6:00 am - 7:10 amONT  Ontario-DUB Dublin
17h 10m2 stops Denver Intl Toronto Pearson Intl
Multiple Airlines Logo
9:00 am - 12:20 amDUB  Dublin-ONT Ontario
23h 20m2 stops Toronto Pearson Intl Denver Intl
$589Multiple Airlines
Sun, Dec 6 - Sun, Dec 13
Multiple Airlines Logo
6:00 am - 10:15 amONT  Ontario-DUB Dublin
20h 15m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 am - 11:51 amDUB  Dublin-ONT Ontario
32h 21m3 stops Reykjavik Keflavik Intl Denver Intl Las Vegas Harry Reid Intl
$612Multiple Airlines
Thu, Dec 3 - Mon, Dec 7
Multiple Airlines Logo
6:45 am - 10:15 amONT  Ontario-DUB Dublin
19h 30m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 am - 10:17 pmDUB  Dublin-ONT Ontario
18h 47m2 stops Reykjavik Keflavik Intl Denver Intl
$620Multiple Airlines
Mon, Nov 23 - Wed, Dec 9
Multiple Airlines Logo
6:00 am - 10:15 amONT  Ontario-DUB Dublin
20h 15m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 am - 12:20 amDUB  Dublin-ONT Ontario
20h 50m2 stops Reykjavik Keflavik Intl Denver Intl
$621Multiple Airlines
Mon, Dec 7 - Mon, Dec 14
Multiple Airlines Logo
2:00 pm - 7:10 amONT  Ontario-DUB Dublin
33h 10m3 stops Las Vegas Harry Reid Intl Denver Intl Toronto Pearson Intl
Multiple Airlines Logo
9:00 am - 11:51 amDUB  Dublin-ONT Ontario
34h 51m3 stops Toronto Pearson Intl Denver Intl Las Vegas Harry Reid Intl
$630Multiple Airlines
Tue, Dec 1 - Mon, Dec 7
Multiple Airlines Logo
6:00 am - 10:15 amONT  Ontario-DUB Dublin
20h 15m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 am - 12:20 amDUB  Dublin-ONT Ontario
20h 50m2 stops Reykjavik Keflavik Intl Denver Intl
$631Multiple Airlines
Thu, Dec 3 - Mon, Dec 7
Multiple Airlines Logo
6:00 am - 10:15 amONT  Ontario-DUB Dublin
20h 15m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 am - 11:51 amDUB  Dublin-ONT Ontario
32h 21m3 stops Reykjavik Keflavik Intl Denver Intl Las Vegas Harry Reid Intl
$636Multiple Airlines
Thu, Dec 3 - Wed, Dec 9
Multiple Airlines Logo
6:45 am - 10:15 amONT  Ontario-DUB Dublin
19h 30m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 am - 11:51 amDUB  Dublin-ONT Ontario
32h 21m3 stops Reykjavik Keflavik Intl Denver Intl Las Vegas Harry Reid Intl
$642Multiple Airlines
Mon, Nov 23 - Wed, Dec 9
Multiple Airlines Logo
6:00 am - 10:15 amONT  Ontario-DUB Dublin
20h 15m2 stops Denver Intl Reykjavik Keflavik Intl
Multiple Airlines Logo
11:30 am - 11:51 amDUB  Dublin-ONT Ontario
32h 21m3 stops Reykjavik Keflavik Intl Denver Intl Las Vegas Harry Reid Intl
$649Multiple Airlines
Mon, Dec 7 - Mon, Dec 14

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Iberia flights from Ontario to Dublin

Our best Iberia deals on Ontario to Dublin flight tickets
Iberia
Apr 6
ONT7:30 amOntario
18h 15m
1 stop
DUB9:45 amDublin
Apr 17
DUB11:45 amDublin
18h 50m
1 stop
ONT10:35 pmOntario
$766
Iberia
Oct 28
ONT10:25 amOntario
13h 45m
1 stop
DUB7:10 amDublin
Nov 7
DUB12:55 pmDublin
18h 02m
1 stop
ONT10:57 pmOntario
$949
Iberia
Nov 5
ONT7:00 amOntario
16h 10m
1 stop
DUB7:10 amDublin
Nov 9
DUB12:55 pmDublin
18h 51m
1 stop
ONT11:46 pmOntario
$959

United Airlines flights from Ontario to Dublin

Our best United Airlines deals on Ontario to Dublin flight tickets
United Airlines
Apr 18
ONT7:00 amOntario
18h 45m
1 stop
DUB9:45 amDublin
Apr 21
DUB9:50 amDublin
44h 41m
2 stops
ONT10:31 pmOntario
$689
United Airlines
Apr 18
ONT5:00 amOntario
18h 30m
2 stops
DUB7:30 amDublin
Apr 21
DUB9:50 amDublin
44h 41m
2 stops
ONT10:31 pmOntario
$694
United Airlines
Apr 18
ONT7:00 amOntario
18h 45m
1 stop
DUB9:45 amDublin
Apr 21
DUB9:50 amDublin
44h 41m
2 stops
ONT10:31 pmOntario
$699

momondo Fare Finder

 
Use the filters below to find and compare flights from Ontario to Dublin that are best for you.

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Price

Cheapest round-trip

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Thu 12/3

6:00 am-10:15 am

2 stops20h 15m

Dublin

Wed 12/9

11:30 am-10:17 pm

2 stops18h 47m

$588

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Sun 12/6

6:00 am-7:10 am

2 stops17h 10m

Dublin

Sun 12/13

9:00 am-12:20 am

2 stops23h 20m

$589

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Thu 12/3

6:00 am-10:15 am

2 stops20h 15m

Dublin

Mon 12/7

11:30 am-11:51 am

3 stops32h 21m

$612
Quickest round-trip

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Mon 11/23

6:45 am-10:15 am

2 stops19h 30m

Dublin

Wed 12/9

11:30 am-10:17 pm

2 stops18h 47m

$620

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Mon 12/7

6:00 am-10:15 am

2 stops20h 15m

Dublin

Mon 12/14

11:30 am-12:20 am

2 stops20h 50m

$621

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Tue 12/1

2:00 pm-7:10 am

3 stops33h 10m

Dublin

Mon 12/7

9:00 am-11:51 am

3 stops34h 51m

$630

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Thu 12/3

6:00 am-10:15 am

2 stops20h 15m

Dublin

Mon 12/7

11:30 am-12:20 am

2 stops20h 50m

$631

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Thu 12/3

6:00 am-10:15 am

2 stops20h 15m

Dublin

Wed 12/9

11:30 am-11:51 am

3 stops32h 21m

$636

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Mon 11/23

6:45 am-10:15 am

2 stops19h 30m

Dublin

Wed 12/9

11:30 am-11:51 am

3 stops32h 21m

$642

OntarioDublin

ONT Ontario - DUB Dublin

ONTDUB

Ontario

Mon 12/7

6:00 am-10:15 am

2 stops20h 15m

Dublin

Mon 12/14

11:30 am-11:51 am

3 stops32h 21m

$649

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 day to depart on your flight to Dublin?

The cheapest day to depart from Ontario to Dublin is on a Wednesday. Travelers who choose to depart for Dublin on a Wednesday will often find tickets for as low as $883. Flights from Ontario to Dublin on a Tuesday will generally be more expensive and average around $1,006. 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 $812. Flying to Dublin in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $939.

Can stopping save me money on Ontario to Dublin flights?

You could potentially save up to 14% 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

$317

Fastest flight time

12h 29m

Direct flights

None
The best one-way flight to Dublin from Ontario in the past 72 hours is $317. The best round-trip flight deal from Ontario to Dublin found on momondo in the last 72 hours is $588.
The fastest flight from Ontario to Dublin takes 12h 29m
There are no direct flights from Ontario to Dublin. There are no popular flight routes from Ontario to Dublin.
Search flight deals

Frequently asked questions about flying from Ontario to Dublin

  • How far is Ontario to Dublin by plane?

    The distance between Ontario and Dublin is about 5136.8 mi. Typically, this will take 12h 29m 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 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.

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Swords
Athlone
Kildare
Malahide
Carlingford
Portmarnock
Mullingar
Wicklow
Leixlip
Arklow
Bray
Castleknock
Gorey
Naas
Slane
Dundalk
Cavan
Drogheda
Maynooth

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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