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Cheap flights from Dublin to Los Angeles from $564

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 9/4. 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

Find the cheapest flights from Dublin to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
12:40 pm - 9:09 pmDUB  Dublin-ONT Ontario
16h 29m1 stop Dallas/Fort Worth
Iberia Logo
8:25 am - 9:45 amONT  Ontario-DUB Dublin
17h 20m1 stop Dallas/Fort Worth
$706Iberia
Thu, Sep 24 - Thu, Oct 1
Multiple Airlines Logo
12:40 pm - 6:53 pmDUB  Dublin-ONT Ontario
14h 13m1 stop Dallas/Fort Worth
Multiple Airlines Logo
10:25 am - 9:45 amONT  Ontario-DUB Dublin
15h 20m1 stop Dallas/Fort Worth
$709Multiple Airlines
Thu, Sep 24 - Thu, Oct 1
Iberia Logo
12:40 pm - 11:36 pmDUB  Dublin-ONT Ontario
18h 56m1 stop Dallas/Fort Worth
Iberia Logo
12:37 pm - 9:45 amONT  Ontario-DUB Dublin
13h 08m1 stop Dallas/Fort Worth
$711Iberia
Thu, Sep 24 - Wed, Sep 30
British Airways Logo
10:50 am - 10:45 pmDUB  Dublin-ONT Ontario
19h 55m2 stops London Heathrow Dallas/Fort Worth
British Airways Logo
12:43 pm - 5:05 pmONT  Ontario-DUB Dublin
20h 22m2 stops Dallas/Fort Worth London Heathrow
$712British Airways
Fri, Feb 5 - Mon, Feb 8
Multiple Airlines Logo
12:40 pm - 11:43 amDUB  Dublin-ONT Ontario
31h 03m1 stop Dallas/Fort Worth
Multiple Airlines Logo
6:00 am - 9:45 amONT  Ontario-DUB Dublin
19h 45m1 stop Dallas/Fort Worth
$715Multiple Airlines
Wed, Aug 26 - Sun, Aug 30
Multiple Airlines Logo
12:40 pm - 10:59 pmDUB  Dublin-ONT Ontario
18h 19m1 stop Dallas/Fort Worth
Multiple Airlines Logo
12:37 pm - 9:45 amONT  Ontario-DUB Dublin
13h 08m1 stop Dallas/Fort Worth
$715Multiple Airlines
Thu, Aug 27 - Wed, Sep 9
Multiple Airlines Logo
12:40 pm - 9:09 pmDUB  Dublin-ONT Ontario
16h 29m1 stop Dallas/Fort Worth
Multiple Airlines Logo
4:29 pm - 7:20 pmONT  Ontario-DUB Dublin
18h 51m2 stops Phoenix Sky Harbor Intl London Heathrow
$720Multiple Airlines
Thu, Oct 1 - Thu, Oct 15
Iberia Logo
9:50 am - 10:59 pmDUB  Dublin-ONT Ontario
21h 09m2 stops Madrid Barajas Dallas/Fort Worth
Iberia Logo
12:33 pm - 9:45 amONT  Ontario-DUB Dublin
13h 12m1 stop Dallas/Fort Worth
$721Iberia
Wed, Aug 26 - Sun, Aug 30
Iberia Logo
9:50 am - 10:59 pmDUB  Dublin-ONT Ontario
21h 09m2 stops Madrid Barajas Dallas/Fort Worth
Iberia Logo
10:25 am - 9:45 amONT  Ontario-DUB Dublin
15h 20m1 stop Dallas/Fort Worth
$721Iberia
Thu, Aug 27 - Wed, Sep 9
Iberia Logo
9:50 am - 10:59 pmDUB  Dublin-ONT Ontario
21h 09m2 stops Madrid Barajas Dallas/Fort Worth
Iberia Logo
7:05 am - 9:45 amONT  Ontario-DUB Dublin
18h 40m1 stop Dallas/Fort Worth
$721Iberia
Thu, Aug 27 - Mon, Aug 31

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Iberia flights from Dublin to Ontario

Our best Iberia deals on Dublin to Ontario flight tickets
Iberia
Sep 24
DUB12:40 pmDublin
16h 29m
1 stop
ONT9:09 pmOntario
Oct 1
ONT8:25 amOntario
17h 20m
1 stop
DUB9:45 amDublin
$706
Iberia
Sep 24
DUB12:40 pmDublin
18h 56m
1 stop
ONT11:36 pmOntario
Sep 30
ONT12:37 pmOntario
13h 08m
1 stop
DUB9:45 amDublin
$711
Iberia
Aug 27
DUB9:50 amDublin
21h 09m
2 stops
ONT10:59 pmOntario
Aug 31
ONT7:05 amOntario
18h 40m
1 stop
DUB9:45 amDublin
$721

Delta flights from Dublin to Ontario

Our best Delta deals on Dublin to Ontario flight tickets
Delta
Sep 24
DUB5:55 amDublin
19h 24m
2 stops
ONT5:19 pmOntario
Oct 1
ONT9:52 amOntario
21h 33m
2 stops
DUB3:25 pmDublin
$866
Delta
Aug 28
DUB5:55 amDublin
19h 26m
2 stops
ONT5:21 pmOntario
Sep 1
ONT12:00 pmOntario
20h 40m
2 stops
DUB4:40 pmDublin
$869
Delta
Aug 15
DUB11:00 amDublin
15h 30m
1 stop
ONT6:30 pmOntario
Aug 28
ONT10:00 pmOntario
26h 45m
1 stop
DUB8:45 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 August 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 Dublin - ONT Ontario

DUBONT

Dublin

Thu 9/24

12:40 pm-9:09 pm

1 stop16h 29m

Ontario

Thu 10/1

8:25 am-9:45 am

1 stop17h 20m

$706
Quickest round-trip

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 9/24

12:40 pm-6:53 pm

1 stop14h 13m

Ontario

Thu 10/1

10:25 am-9:45 am

1 stop15h 20m

$709

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 9/24

12:40 pm-11:36 pm

1 stop18h 56m

Ontario

Wed 9/30

12:37 pm-9:45 am

1 stop13h 08m

$711

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 2/5

10:50 am-10:45 pm

2 stops19h 55m

Ontario

Mon 2/8

12:43 pm-5:05 pm

2 stops20h 22m

$712

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Wed 8/26

12:40 pm-11:43 am

1 stop31h 03m

Ontario

Sun 8/30

6:00 am-9:45 am

1 stop19h 45m

$715

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 8/27

12:40 pm-10:59 pm

1 stop18h 19m

Ontario

Wed 9/9

12:37 pm-9:45 am

1 stop13h 08m

$715

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 10/1

12:40 pm-9:09 pm

1 stop16h 29m

Ontario

Thu 10/15

4:29 pm-7:20 pm

2 stops18h 51m

$720

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Wed 8/26

9:50 am-10:59 pm

2 stops21h 09m

Ontario

Sun 8/30

12:33 pm-9:45 am

1 stop13h 12m

$721

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 8/27

9:50 am-10:59 pm

2 stops21h 09m

Ontario

Wed 9/9

10:25 am-9:45 am

1 stop15h 20m

$721

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 8/27

9:50 am-10:59 pm

2 stops21h 09m

Ontario

Mon 8/31

7:05 am-9:45 am

1 stop18h 40m

$721

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 Iberia are the most popular carriers operating from Dublin to Ontario

What airlines fly to Ontario?

Aer Lingus, American Airlines and Iberia 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 84% 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

14h 07m

Direct flights

None
The fastest flight from Dublin to Ontario takes 14h 07m
There are no direct flights from Dublin to Ontario. There are no popular flight routes from Dublin to Ontario.
Search flight deals

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 14h 07m.

  • 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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