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Cheap flights from Dublin to Los Angeles from $417

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 5/18. 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.
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
$597Multiple Airlines
Thu, Apr 9 - Thu, Apr 23
Multiple Airlines Logo
12:50 pm - 11:59 pm
DUB
-
ONT
19h 09m
2 stops
Multiple Airlines Logo
10:59 am - 2:35 pm
ONT
-
DUB
19h 36m
2 stops
$598Multiple Airlines
Fri, Apr 3 - Tue, Apr 7
Iberia Logo
9:30 am - 11:46 pm
DUB
-
ONT
22h 16m
1 stop
Iberia Logo
7:30 am - 9:45 am
ONT
-
DUB
18h 15m
1 stop
$611Iberia
Thu, Apr 9 - Mon, Apr 27
Multiple Airlines Logo
10:30 am - 11:46 pm
DUB
-
ONT
21h 16m
2 stops
Multiple Airlines Logo
10:59 am - 9:45 am
ONT
-
DUB
14h 46m
1 stop
$612Multiple Airlines
Thu, Apr 9 - Mon, Apr 27
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
$614American Airlines
Mon, Apr 13 - Sun, Apr 26
Multiple Airlines Logo
11:45 am - 9:07 pm
DUB
-
ONT
17h 22m
1 stop
Multiple Airlines Logo
12:19 pm - 6:40 pm
ONT
-
DUB
22h 21m
2 stops
$631Multiple Airlines
Wed, Apr 8 - Sun, Apr 12
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
$635Iberia
Sat, Apr 18 - Sat, May 2
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
$637Iberia
Thu, Apr 30 - Sun, May 10
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
$644Iberia
Thu, Apr 16 - Mon, Apr 20
British Airways Logo
12:50 pm - 11:46 pm
DUB
-
ONT
18h 56m
2 stops
British Airways Logo
10:59 am - 11:50 am
ONT
-
DUB
16h 51m
2 stops
$656British Airways
Sun, May 3 - Sun, May 10

Iberia flights from Dublin to Ontario

Our best Iberia deals on Dublin to Ontario flight tickets
Iberia
May 1
DUB9:30 amDublin
22h 16m
1 stop
ONT11:46 pmOntario
May 9
ONT10:59 amOntario
14h 46m
1 stop
DUB9:45 amDublin
$611
Iberia
Apr 18
DUB9:30 amDublin
21h 06m
1 stop
ONT10:36 pmOntario
May 2
ONT10:59 amOntario
14h 46m
1 stop
DUB9:45 amDublin
$635
Iberia
Apr 30
DUB9:30 amDublin
21h 06m
1 stop
ONT10:36 pmOntario
May 10
ONT2:08 pmOntario
35h 37m
1 stop
DUB9:45 amDublin
$637

JetBlue flights from Dublin to Ontario

Our best JetBlue deals on Dublin to Ontario flight tickets
JetBlue
Aug 31
DUB11:40 amDublin
19h 00m
1 stop
ONT10:40 pmOntario
Sep 13
ONT10:56 pmOntario
26h 04m
1 stop
DUB9:00 amDublin
$819
JetBlue
Jun 18
DUB11:40 amDublin
19h 00m
1 stop
ONT10:40 pmOntario
Jul 8
ONT11:59 pmOntario
25h 01m
1 stop
DUB9:00 amDublin
$873
JetBlue
Jun 1
DUB11:30 amDublin
17h 17m
1 stop
ONT8:47 pmOntario
Jun 17
ONT11:59 pmOntario
25h 01m
1 stop
DUB9:00 amDublin
$886

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 24, 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 4/9

9:30 am-11:46 pm

1 stop22h 16m

Ontario

Thu 4/23

2:08 pm-5:55 pm

2 stops19h 47m

$597

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 4/3

12:50 pm-11:59 pm

2 stops19h 09m

Ontario

Tue 4/7

10:59 am-2:35 pm

2 stops19h 36m

$598

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 4/9

9:30 am-11:46 pm

1 stop22h 16m

Ontario

Mon 4/27

7:30 am-9:45 am

1 stop18h 15m

$611

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 4/9

10:30 am-11:46 pm

2 stops21h 16m

Ontario

Mon 4/27

10:59 am-9:45 am

1 stop14h 46m

$612
Quickest round-trip

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 4/13

9:30 am-6:37 pm

1 stop17h 07m

Ontario

Sun 4/26

10:59 am-9:45 am

1 stop14h 46m

$614

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 4/8

11:45 am-9:07 pm

1 stop17h 22m

Ontario

Sun 4/12

12:19 pm-6:40 pm

2 stops22h 21m

$631

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 4/18

9:30 am-10:36 pm

1 stop21h 06m

Ontario

Sat 5/2

10:59 am-9:45 am

1 stop14h 46m

$635

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 4/30

9:30 am-10:36 pm

1 stop21h 06m

Ontario

Sun 5/10

2:08 pm-9:45 am

1 stop35h 37m

$637

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 4/16

9:30 am-10:36 pm

1 stop21h 06m

Ontario

Mon 4/20

7:30 am-9:45 am

1 stop18h 15m

$644

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 5/3

12:50 pm-11:46 pm

2 stops18h 56m

Ontario

Sun 5/10

10:59 am-11:50 am

2 stops16h 51m

$656

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 71% 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

17h 44m

Direct flights

None
The fastest flight from Dublin to Ontario takes 17h 44m
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 17h 44m.

  • 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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