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Cheap flights from Dublin to Los Angeles from $513

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Los Angeles departing on 2/27. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
11:30 am - 1:49 pm
DUB
-
ONT
34h 19m
2 stops
American Airlines Logo
7:00 am - 8:40 am
ONT
-
DUB
17h 40m
2 stops
$513American Airlines
Fri, Feb 27 - Mon, Mar 2
American Airlines Logo
11:30 am - 11:59 pm
DUB
-
ONT
20h 29m
2 stops
American Airlines Logo
11:58 pm - 8:40 am
ONT
-
DUB
24h 42m
2 stops
$515American Airlines
Fri, Feb 27 - Mon, Mar 2
KLM Logo
5:55 am - 9:05 pm
DUB
-
ONT
23h 10m
2 stops
KLM Logo
1:15 pm - 7:45 am
ONT
-
DUB
34h 30m
1 stop
$552KLM
Fri, Feb 27 - Sat, Mar 7
KLM Logo
9:45 am - 9:05 pm
DUB
-
ONT
19h 20m
1 stop
KLM Logo
1:15 pm - 7:45 am
ONT
-
DUB
34h 30m
1 stop
$563KLM
Fri, Feb 27 - Sat, Mar 7
American Airlines Logo
11:45 am - 9:07 pm
DUB
-
ONT
17h 22m
1 stop
American Airlines Logo
6:10 am - 11:50 am
ONT
-
DUB
21h 40m
2 stops
$567American Airlines
Mon, May 11 - Sun, May 17
Iberia Logo
9:30 am - 10:36 pm
DUB
-
ONT
21h 06m
1 stop
Iberia Logo
10:59 am - 9:45 am
ONT
-
DUB
14h 46m
1 stop
$583Iberia
Thu, Apr 16 - Mon, Apr 20
KLM Logo
11:00 am - 6:33 pm
DUB
-
ONT
15h 33m
1 stop
KLM Logo
7:05 am - 8:45 am
ONT
-
DUB
17h 40m
1 stop
$603KLM
Wed, Apr 15 - Thu, Apr 23
British Airways Logo
6:40 am - 10:29 pm
DUB
-
ONT
23h 49m
2 stops
British Airways Logo
2:39 pm - 3:40 pm
ONT
-
DUB
18h 01m
2 stops
$668British Airways
Sun, Feb 22 - Mon, Mar 9
British Airways Logo
6:40 am - 10:29 pm
DUB
-
ONT
23h 49m
2 stops
British Airways Logo
11:58 pm - 11:15 am
ONT
-
DUB
27h 17m
2 stops
$670British Airways
Sun, Feb 15 - Sun, Mar 1
American Airlines Logo
11:40 am - 11:59 pm
DUB
-
ONT
20h 19m
2 stops
American Airlines Logo
6:15 am - 8:40 am
ONT
-
DUB
18h 25m
2 stops
$672American Airlines
Fri, Feb 27 - Mon, Mar 2

American Airlines flights from Dublin to Ontario

Our best American Airlines deals on Dublin to Ontario flight tickets
American Airlines
Feb 27
DUB11:30 amDublin
34h 19m
2 stops
ONT1:49 pmOntario
Mar 2
ONT7:00 amOntario
17h 40m
2 stops
DUB8:40 amDublin
$513
American Airlines
Feb 27
DUB11:30 amDublin
20h 29m
2 stops
ONT11:59 pmOntario
Mar 2
ONT11:58 pmOntario
24h 42m
2 stops
DUB8:40 amDublin
$515
American Airlines
May 11
DUB11:45 amDublin
17h 22m
1 stop
ONT9:07 pmOntario
May 17
ONT6:10 amOntario
21h 40m
2 stops
DUB11:50 amDublin
$567

Iberia flights from Dublin to Ontario

Our best Iberia deals on Dublin to Ontario flight tickets
Iberia
Apr 16
DUB9:30 amDublin
21h 06m
1 stop
ONT10:36 pmOntario
Apr 20
ONT10:59 amOntario
14h 46m
1 stop
DUB9:45 amDublin
$583
Iberia
Mar 29
DUB9:30 amDublin
21h 00m
1 stop
ONT10:30 pmOntario
Apr 4
ONT10:56 amOntario
14h 49m
1 stop
DUB9:45 amDublin
$964
Iberia
Mar 30
DUB9:30 amDublin
22h 29m
1 stop
ONT11:59 pmOntario
Apr 4
ONT10:56 amOntario
14h 49m
1 stop
DUB9:45 amDublin
$1,103

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 February 5, 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

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 2/27

11:30 am-1:49 pm

2 stops34h 19m

Ontario

Mon 3/2

7:00 am-8:40 am

2 stops17h 40m

$513

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 2/27

11:30 am-11:59 pm

2 stops20h 29m

Ontario

Mon 3/2

11:58 pm-8:40 am

2 stops24h 42m

$515

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 2/27

5:55 am-9:05 pm

2 stops23h 10m

Ontario

Sat 3/7

1:15 pm-7:45 am

1 stop34h 30m

$552

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 2/27

9:45 am-9:05 pm

1 stop19h 20m

Ontario

Sat 3/7

1:15 pm-7:45 am

1 stop34h 30m

$563

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 5/11

11:45 am-9:07 pm

1 stop17h 22m

Ontario

Sun 5/17

6:10 am-11:50 am

2 stops21h 40m

$567

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 4/16

9:30 am-10:36 pm

1 stop21h 06m

Ontario

Mon 4/20

10:59 am-9:45 am

1 stop14h 46m

$583

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 4/15

11:00 am-6:33 pm

1 stop15h 33m

Ontario

Thu 4/23

7:05 am-8:45 am

1 stop17h 40m

$603

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 2/22

6:40 am-10:29 pm

2 stops23h 49m

Ontario

Mon 3/9

2:39 pm-3:40 pm

2 stops18h 01m

$668

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 2/15

6:40 am-10:29 pm

2 stops23h 49m

Ontario

Sun 3/1

11:58 pm-11:15 am

2 stops27h 17m

$670

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 2/27

11:40 am-11:59 pm

2 stops20h 19m

Ontario

Mon 3/2

6:15 am-8:40 am

2 stops18h 25m

$672

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?

American Airlines and Iberia are the most popular carriers 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 69% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 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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