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Cheap flights from Dublin to Los Angeles from $356

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 6/9. 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
10:59 am - 9:45 am
ONT
-
DUB
14h 46m
1 stop
$601Iberia
Wed, Apr 22 - Sun, Apr 26
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
9:30 am - 6:30 pm
DUB
-
ONT
17h 00m
2 stops
American Airlines Logo
7:35 pm - 6:30 am
ONT
-
DUB
26h 55m
2 stops
$613American Airlines
Wed, Apr 22 - Sun, Apr 26
American Airlines Logo
11:45 am - 9:07 pm
DUB
-
ONT
17h 22m
1 stop
American Airlines Logo
10:54 am - 9:45 am
ONT
-
DUB
14h 51m
1 stop
$614American Airlines
Mon, Apr 20 - Sun, May 3
American Airlines Logo
11:45 am - 9:07 pm
DUB
-
ONT
17h 22m
1 stop
American Airlines Logo
7:30 am - 9:45 am
ONT
-
DUB
18h 15m
1 stop
$619American Airlines
Wed, Apr 29 - Mon, May 11
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
11:45 am - 9:07 pm
DUB
-
ONT
17h 22m
1 stop
American Airlines Logo
11:59 pm - 6:30 am
ONT
-
DUB
22h 31m
2 stops
$621American Airlines
Mon, May 4 - Sat, May 9
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
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
Iberia Logo
9:30 am - 11:46 pm
DUB
-
ONT
22h 16m
1 stop
Iberia Logo
10:59 am - 9:45 am
ONT
-
DUB
14h 46m
1 stop
$636Iberia
Fri, May 1 - Tue, May 5

Iberia flights from Dublin to Ontario

Our best Iberia deals on Dublin to Ontario flight tickets
Iberia
Apr 22
DUB9:30 amDublin
21h 06m
1 stop
ONT10:36 pmOntario
Apr 26
ONT10:59 amOntario
14h 46m
1 stop
DUB9:45 amDublin
$601
Iberia
Apr 22
DUB9:50 amDublin
21h 56m
2 stops
ONT11:46 pmOntario
Apr 26
ONT7:30 amOntario
18h 15m
1 stop
DUB9:45 amDublin
$618
Iberia
Apr 22
DUB9:50 amDublin
21h 56m
2 stops
ONT11:46 pmOntario
Apr 26
ONT10:59 amOntario
14h 46m
1 stop
DUB9:45 amDublin
$619

American Airlines flights from Dublin to Ontario

Our best American Airlines deals on Dublin to Ontario flight tickets
American Airlines
Apr 13
DUB9:30 amDublin
17h 07m
1 stop
ONT6:37 pmOntario
Apr 26
ONT10:59 amOntario
14h 46m
1 stop
DUB9:45 amDublin
$612
American Airlines
Apr 22
DUB9:30 amDublin
17h 00m
2 stops
ONT6:30 pmOntario
Apr 26
ONT7:35 pmOntario
26h 55m
2 stops
DUB6:30 amDublin
$613
American Airlines
Apr 20
DUB11:45 amDublin
17h 22m
1 stop
ONT9:07 pmOntario
May 3
ONT10:54 amOntario
14h 51m
1 stop
DUB9:45 amDublin
$614

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 10, 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

Wed 4/22

9:30 am-10:36 pm

1 stop21h 06m

Ontario

Sun 4/26

10:59 am-9:45 am

1 stop14h 46m

$601

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 4/22

9:30 am-6:30 pm

2 stops17h 00m

Ontario

Sun 4/26

7:35 pm-6:30 am

2 stops26h 55m

$613
Quickest round-trip

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 4/20

11:45 am-9:07 pm

1 stop17h 22m

Ontario

Sun 5/3

10:54 am-9:45 am

1 stop14h 51m

$614

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 4/29

11:45 am-9:07 pm

1 stop17h 22m

Ontario

Mon 5/11

7:30 am-9:45 am

1 stop18h 15m

$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

Mon 5/4

11:45 am-9:07 pm

1 stop17h 22m

Ontario

Sat 5/9

11:59 pm-6:30 am

2 stops22h 31m

$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 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-11:46 pm

1 stop22h 16m

Ontario

Tue 5/5

10:59 am-9:45 am

1 stop14h 46m

$636

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 Los Angeles from

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 76% 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 19m

Direct flights

None
The fastest flight from Dublin to Ontario takes 15h 19m
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 19m.

  • 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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