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Cheap flights from Dublin to Los Angeles from $370

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Los Angeles departing on 4/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Dublin to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
9:30 am - 10:36 pm
DUB
-
ONT
21h 06m
1 stop
Iberia Logo
7:30 am - 9:45 am
ONT
-
DUB
18h 15m
1 stop
$592Iberia
Fri, Apr 10 - Sun, Apr 19
American Airlines Logo
11:45 am - 9:24 pm
DUB
-
ONT
17h 39m
1 stop
American Airlines Logo
7:00 am - 9:45 am
ONT
-
DUB
18h 45m
1 stop
$606American Airlines
Wed, Apr 1 - Sun, Apr 5
American Airlines Logo
11:45 am - 9:07 pm
DUB
-
ONT
17h 22m
1 stop
American Airlines Logo
11:59 pm - 9:45 am
ONT
-
DUB
25h 46m
1 stop
$608American Airlines
Fri, Apr 17 - Fri, May 1
American Airlines Logo
9:30 am - 6:37 pm
DUB
-
ONT
17h 07m
1 stop
American Airlines Logo
10:59 am - 9:45 am
ONT
-
DUB
14h 46m
1 stop
$612American Airlines
Thu, Apr 16 - Wed, Apr 29
American Airlines Logo
9:30 am - 6:37 pm
DUB
-
ONT
17h 07m
1 stop
American Airlines Logo
10:59 am - 9:45 am
ONT
-
DUB
14h 46m
1 stop
$615American Airlines
Thu, Apr 9 - Thu, Apr 23
Iberia Logo
9:30 am - 10:36 pm
DUB
-
ONT
21h 06m
1 stop
Iberia Logo
2:08 pm - 9:45 am
ONT
-
DUB
35h 37m
1 stop
$633Iberia
Wed, Apr 22 - Wed, Apr 29
British Airways Logo
12:30 pm - 11:46 pm
DUB
-
ONT
19h 16m
2 stops
British Airways Logo
2:08 pm - 2:50 pm
ONT
-
DUB
16h 42m
2 stops
$723British Airways
Wed, Apr 22 - Wed, Apr 29
British Airways Logo
12:00 pm - 11:46 pm
DUB
-
ONT
19h 46m
2 stops
British Airways Logo
6:00 am - 9:00 am
ONT
-
DUB
19h 00m
2 stops
$745British Airways
Mon, Apr 13 - Sun, Apr 26
British Airways Logo
11:10 am - 10:36 pm
DUB
-
ONT
19h 26m
2 stops
British Airways Logo
6:00 am - 9:00 am
ONT
-
DUB
19h 00m
2 stops
$756British Airways
Mon, Apr 13 - Sun, Apr 26
British Airways Logo
6:30 am - 6:37 pm
DUB
-
ONT
20h 07m
2 stops
British Airways Logo
10:59 am - 11:20 am
ONT
-
DUB
16h 21m
2 stops
$760British Airways
Mon, Apr 13 - Wed, Apr 29

Delta flights from Dublin to Ontario

Our best Delta deals on Dublin to Ontario flight tickets
Delta
Jun 3
DUB11:00 amDublin
18h 48m
1 stop
ONT9:48 pmOntario
Oct 5
ONT7:00 amOntario
17h 45m
1 stop
DUB8:45 amDublin
$841
Delta
Mar 30
DUB5:55 amDublin
19h 18m
2 stops
ONT5:13 pmOntario
Apr 3
ONT10:25 pmOntario
26h 20m
1 stop
DUB8:45 amDublin
$962
Delta
Jun 1
DUB11:00 amDublin
18h 48m
1 stop
ONT9:48 pmOntario
Oct 6
ONT12:00 pmOntario
12h 45m
1 stop
DUB8:45 amDublin
$1,022

Air Canada flights from Dublin to Ontario

Our best Air Canada deals on Dublin to Ontario flight tickets
Air Canada
Jun 1
DUB9:20 amDublin
40h 08m
2 stops
ONT5:28 pmOntario
Oct 5
ONT6:00 amOntario
41h 45m
2 stops
DUB7:45 amDublin
$774
Air Canada
Jun 1
DUB9:20 amDublin
40h 08m
2 stops
ONT5:28 pmOntario
Oct 6
ONT5:00 amOntario
19h 15m
2 stops
DUB8:15 amDublin
$783
Air Canada
Jun 2
DUB9:50 amDublin
42h 52m
2 stops
ONT8:42 pmOntario
Oct 5
ONT6:00 amOntario
41h 45m
2 stops
DUB7:45 amDublin
$798

momondo Fare Finder

 
Customize your flight search to find flights from Dublin to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from Dublin to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 4/10

9:30 am-10:36 pm

1 stop21h 06m

Ontario

Sun 4/19

7:30 am-9:45 am

1 stop18h 15m

$592

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 4/1

11:45 am-9:24 pm

1 stop17h 39m

Ontario

Sun 4/5

7:00 am-9:45 am

1 stop18h 45m

$606

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 4/17

11:45 am-9:07 pm

1 stop17h 22m

Ontario

Fri 5/1

11:59 pm-9:45 am

1 stop25h 46m

$608
Quickest round-trip

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 4/16

9:30 am-6:37 pm

1 stop17h 07m

Ontario

Wed 4/29

10:59 am-9:45 am

1 stop14h 46m

$612

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 4/9

9:30 am-6:37 pm

1 stop17h 07m

Ontario

Thu 4/23

10:59 am-9:45 am

1 stop14h 46m

$615

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 4/22

9:30 am-10:36 pm

1 stop21h 06m

Ontario

Wed 4/29

2:08 pm-9:45 am

1 stop35h 37m

$633

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 4/22

12:30 pm-11:46 pm

2 stops19h 16m

Ontario

Wed 4/29

2:08 pm-2:50 pm

2 stops16h 42m

$723

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 4/13

12:00 pm-11:46 pm

2 stops19h 46m

Ontario

Sun 4/26

6:00 am-9:00 am

2 stops19h 00m

$745

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 4/13

11:10 am-10:36 pm

2 stops19h 26m

Ontario

Sun 4/26

6:00 am-9:00 am

2 stops19h 00m

$756

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 4/13

6:30 am-6:37 pm

2 stops20h 07m

Ontario

Wed 4/29

10:59 am-11:20 am

2 stops16h 21m

$760

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Dublin to Ontario

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 airline that flies from Dublin to Ontario?

JetBlue is the most popular carrier operating from Dublin to Ontario

What airlines fly to Ontario?

Aer Lingus, American Airlines and Delta are the top three most popular airlines that fly to Ontario from Dublin according to our data. Aer Lingus is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 4 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from Dublin to Ontario

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

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

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

Fastest flight time

15h 15m

Direct flights

None
The fastest flight from Dublin to Ontario takes 15h 15m
There are no direct flights from Dublin to Ontario. There are no popular flight routes from Dublin to Ontario.
Search flight deals

  • How far is Dublin to Ontario by plane?

    Ontario is 5136.8 mi away from Dublin. By plane, this route typically takes 15h 15m.

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

    Prices for flights from Dublin Airport to Ontario Airport refresh daily.

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

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

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dublin to Ontario for you.

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

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

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

momondo helps you find the best flight between Dublin and Ontario 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 Dublin to Ontario right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Dublin to Ontario 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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