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Cheap flights from Dublin to Los Angeles from $382

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 5/23. 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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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.
British Airways Logo
1:00 pm - 9:57 pm
DUB
-
ONT
16h 57m
2 stops
British Airways Logo
12:40 pm - 7:30 pm
ONT
-
DUB
22h 50m
2 stops
$605British Airways
Thu, May 28 - Wed, Jun 3
American Airlines Logo
11:45 am - 9:07 pm
DUB
-
ONT
17h 22m
1 stop
American Airlines Logo
10:26 pm - 9:35 am
ONT
-
DUB
27h 09m
1 stop
$619American Airlines
Wed, Apr 29 - Sat, May 9
American Airlines Logo
11:45 am - 10:36 pm
DUB
-
ONT
18h 51m
2 stops
American Airlines Logo
6:00 am - 6:30 am
ONT
-
DUB
16h 30m
2 stops
$620American Airlines
Fri, Apr 24 - Tue, Apr 28
American Airlines Logo
9:30 am - 9:59 pm
DUB
-
ONT
20h 29m
2 stops
American Airlines Logo
6:00 am - 9:45 am
ONT
-
DUB
19h 45m
1 stop
$621American Airlines
Fri, May 1 - Wed, May 6
American Airlines Logo
11:45 am - 9:07 pm
DUB
-
ONT
17h 22m
1 stop
American Airlines Logo
10:59 am - 12:05 pm
ONT
-
DUB
17h 06m
2 stops
$632American Airlines
Thu, Apr 30 - Tue, May 12
American Airlines Logo
9:30 am - 6:22 pm
DUB
-
ONT
16h 52m
2 stops
American Airlines Logo
7:00 am - 9:45 am
ONT
-
DUB
18h 45m
1 stop
$633American Airlines
Wed, May 27 - Wed, Jun 3
American Airlines Logo
11:45 am - 9:07 pm
DUB
-
ONT
17h 22m
1 stop
American Airlines Logo
4:52 pm - 7:30 pm
ONT
-
DUB
18h 38m
2 stops
$634American Airlines
Wed, Apr 29 - Tue, May 12
American Airlines Logo
9:30 am - 9:59 pm
DUB
-
ONT
20h 29m
2 stops
American Airlines Logo
10:59 am - 12:55 pm
ONT
-
DUB
17h 56m
2 stops
$635American Airlines
Fri, May 1 - Wed, May 6
American Airlines Logo
12:50 pm - 9:57 pm
DUB
-
ONT
17h 07m
2 stops
American Airlines Logo
12:40 pm - 9:45 am
ONT
-
DUB
13h 05m
1 stop
$649American Airlines
Mon, May 25 - Wed, Jun 3
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
$653Iberia
Fri, Apr 24 - Mon, May 4

British Airways flights from Dublin to Ontario

Our best British Airways deals on Dublin to Ontario flight tickets
British Airways
May 28
DUB1:00 pmDublin
16h 57m
2 stops
ONT9:57 pmOntario
Jun 3
ONT12:40 pmOntario
22h 50m
2 stops
DUB7:30 pmDublin
$605
British Airways
Apr 18
DUB11:45 amDublin
17h 22m
1 stop
ONT9:07 pmOntario
May 3
ONT10:54 amOntario
14h 51m
1 stop
DUB9:45 amDublin
$652
British Airways
May 25
DUB12:50 pmDublin
19h 09m
2 stops
ONT11:59 pmOntario
Jun 1
ONT5:44 amOntario
16h 46m
2 stops
DUB6:30 amDublin
$665

American Airlines flights from Dublin to Ontario

Our best American Airlines deals on Dublin to Ontario flight tickets
American Airlines
Apr 29
DUB11:45 amDublin
17h 22m
1 stop
ONT9:07 pmOntario
May 9
ONT10:26 pmOntario
27h 09m
1 stop
DUB9:35 amDublin
$619
American Airlines
Apr 24
DUB11:45 amDublin
18h 51m
2 stops
ONT10:36 pmOntario
Apr 28
ONT6:00 amOntario
16h 30m
2 stops
DUB6:30 amDublin
$620
American Airlines
May 1
DUB9:30 amDublin
20h 29m
2 stops
ONT9:59 pmOntario
May 6
ONT6:00 amOntario
19h 45m
1 stop
DUB9:45 amDublin
$621

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 April 13, 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

Thu 5/28

1:00 pm-9:57 pm

2 stops16h 57m

Ontario

Wed 6/3

12:40 pm-7:30 pm

2 stops22h 50m

$605

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 4/29

11:45 am-9:07 pm

1 stop17h 22m

Ontario

Sat 5/9

10:26 pm-9:35 am

1 stop27h 09m

$619

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 4/24

11:45 am-10:36 pm

2 stops18h 51m

Ontario

Tue 4/28

6:00 am-6:30 am

2 stops16h 30m

$620

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 5/1

9:30 am-9:59 pm

2 stops20h 29m

Ontario

Wed 5/6

6:00 am-9:45 am

1 stop19h 45m

$621

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 4/30

11:45 am-9:07 pm

1 stop17h 22m

Ontario

Tue 5/12

10:59 am-12:05 pm

2 stops17h 06m

$632

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 5/27

9:30 am-6:22 pm

2 stops16h 52m

Ontario

Wed 6/3

7:00 am-9:45 am

1 stop18h 45m

$633

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 4/29

11:45 am-9:07 pm

1 stop17h 22m

Ontario

Tue 5/12

4:52 pm-7:30 pm

2 stops18h 38m

$634

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 5/1

9:30 am-9:59 pm

2 stops20h 29m

Ontario

Wed 5/6

10:59 am-12:55 pm

2 stops17h 56m

$635
Quickest round-trip

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 5/25

12:50 pm-9:57 pm

2 stops17h 07m

Ontario

Wed 6/3

12:40 pm-9:45 am

1 stop13h 05m

$649

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 4/24

9:30 am-10:36 pm

1 stop21h 06m

Ontario

Mon 5/4

2:08 pm-9:45 am

1 stop35h 37m

$653

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 77% 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

15h 16m

Direct flights

None
The fastest flight from Dublin to Ontario takes 15h 16m
There are no direct flights from Dublin to Ontario. There are no popular flight routes from Dublin to Ontario.
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Frequently asked questions about flying from Dublin to Ontario

  • How far is Dublin to Ontario by plane?

    Ontario is 5136.8 mi away from Dublin. By plane, this route typically takes 15h 16m.

  • 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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