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Cheap flights from Dublin to Los Angeles from $520

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 5/20. 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
11:45 am - 9:07 pm
DUB
-
ONT
17h 22m
1 stop
American Airlines Logo
10:59 am - 12:00 pm
ONT
-
DUB
17h 01m
2 stops
$542American Airlines
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
9:30 am - 11:46 pm
DUB
-
ONT
22h 16m
1 stop
Multiple Airlines Logo
2:08 pm - 5:55 pm
ONT
-
DUB
19h 47m
2 stops
$544Multiple Airlines
Thu, Apr 16 - Thu, Apr 23
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
$549Iberia
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
10:30 am - 10:36 pm
DUB
-
ONT
20h 06m
2 stops
Multiple Airlines Logo
2:08 pm - 5:55 pm
ONT
-
DUB
19h 47m
2 stops
$552Multiple Airlines
Thu, Apr 16 - Thu, Apr 23
British Airways Logo
8:30 pm - 4:22 pm
DUB
-
ONT
27h 52m
2 stops
British Airways Logo
12:19 pm - 6:40 pm
ONT
-
DUB
22h 21m
2 stops
$575British Airways
Mon, Apr 13 - Mon, Apr 20
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
$579Iberia
Sun, Apr 12 - Sat, May 2
Iberia Logo
9:30 am - 10:36 pm
DUB
-
ONT
21h 06m
1 stop
Iberia Logo
10:54 am - 9:45 am
ONT
-
DUB
14h 51m
1 stop
$590Iberia
Fri, Apr 17 - Sat, Apr 25
Multiple Airlines Logo
7:00 am - 10:30 pm
DUB
-
ONT
22h 30m
2 stops
Multiple Airlines Logo
7:00 am - 9:45 am
ONT
-
DUB
18h 45m
1 stop
$597Multiple Airlines
Fri, Mar 13 - Sun, Mar 29
Delta Logo
6:00 am - 11:51 pm
DUB
-
ONT
24h 51m
2 stops
Delta Logo
6:00 am - 7:45 am
ONT
-
DUB
18h 45m
2 stops
$659Delta
Fri, Mar 13 - Tue, Mar 17
British Airways Logo
8:40 am - 10:36 pm
DUB
-
ONT
21h 56m
2 stops
British Airways Logo
10:59 am - 2:50 pm
ONT
-
DUB
19h 51m
2 stops
$682British Airways
Sun, Apr 12 - Sat, May 2

JetBlue flights from Dublin to Ontario

Our best JetBlue deals on Dublin to Ontario flight tickets
JetBlue
May 20
DUB11:40 amDublin
18h 29m
1 stop
ONT10:09 pmOntario
Jun 5
ONT10:00 pmOntario
27h 00m
1 stop
DUB9:00 amDublin
$794
JetBlue
Jun 10
DUB11:40 amDublin
17h 05m
1 stop
ONT8:45 pmOntario
Jun 21
ONT11:59 pmOntario
25h 01m
1 stop
DUB9:00 amDublin
$832
JetBlue
Aug 20
DUB11:40 amDublin
19h 00m
1 stop
ONT10:40 pmOntario
Aug 28
ONT11:59 pmOntario
25h 01m
1 stop
DUB9:00 amDublin
$950

United Airlines flights from Dublin to Ontario

Our best United Airlines deals on Dublin to Ontario flight tickets
United Airlines
Jul 22
DUB9:30 amDublin
20h 25m
2 stops
ONT9:55 pmOntario
Jul 29
ONT6:30 amOntario
17h 15m
2 stops
DUB7:45 amDublin
$820
United Airlines
Jun 18
DUB11:35 amDublin
19h 11m
1 stop
ONT10:46 pmOntario
Jul 8
ONT1:50 pmOntario
35h 55m
2 stops
DUB9:45 amDublin
$856

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 2, 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

Mon 4/13

11:45 am-9:07 pm

1 stop17h 22m

Ontario

Mon 4/20

10:59 am-12:00 pm

2 stops17h 01m

$542

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 4/16

9:30 am-11:46 pm

1 stop22h 16m

Ontario

Thu 4/23

2:08 pm-5:55 pm

2 stops19h 47m

$544

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 4/13

9:30 am-10:36 pm

1 stop21h 06m

Ontario

Mon 4/20

10:59 am-9:45 am

1 stop14h 46m

$549

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 4/16

10:30 am-10:36 pm

2 stops20h 06m

Ontario

Thu 4/23

2:08 pm-5:55 pm

2 stops19h 47m

$552

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 4/13

8:30 pm-4:22 pm

2 stops27h 52m

Ontario

Mon 4/20

12:19 pm-6:40 pm

2 stops22h 21m

$575

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 4/12

9:30 am-10:36 pm

1 stop21h 06m

Ontario

Sat 5/2

10:59 am-9:45 am

1 stop14h 46m

$579

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 4/17

9:30 am-10:36 pm

1 stop21h 06m

Ontario

Sat 4/25

10:54 am-9:45 am

1 stop14h 51m

$590

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 3/13

7:00 am-10:30 pm

2 stops22h 30m

Ontario

Sun 3/29

7:00 am-9:45 am

1 stop18h 45m

$597

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 3/13

6:00 am-11:51 pm

2 stops24h 51m

Ontario

Tue 3/17

6:00 am-7:45 am

2 stops18h 45m

$659

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 4/12

8:40 am-10:36 pm

2 stops21h 56m

Ontario

Sat 5/2

10:59 am-2:50 pm

2 stops19h 51m

$682

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 and British Airways 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 75% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 3 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

16h 27m

Direct flights

None
The fastest flight from Dublin to Ontario takes 16h 27m
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 16h 27m.

  • 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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