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.

$507 Cheap Flights from Dublin to Ontario in 2026

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Find the cheapest flights from Dublin to Los Angeles

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:30 am - 10:48 pm

DUB

ONT

19h 18m

2 stops

6:00 am - 8:40 am

ONT

DUB

18h 40m

2 stops

$507American Airlines

Sun, Jan 25 - Sun, Feb 1

11:30 am - 11:52 pm

DUB

ONT

19h 22m

2 stops

10:33 am - 10:15 am

ONT

DUB

16h 42m

2 stops

$969Multiple Airlines

Wed, Mar 11 - Wed, Mar 25

11:30 am - 9:45 pm

DUB

ONT

18h 15m

2 stops

9:45 am - 10:15 am

ONT

DUB

16h 30m

2 stops

$1,069Multiple Airlines

Tue, Feb 3 - Fri, Feb 6

8:45 am - 10:30 pm

DUB

ONT

20h 45m

2 stops

2:39 pm - 2:50 pm

ONT

DUB

16h 11m

2 stops

$1,079Multiple Airlines

Sat, Mar 28 - Sun, Apr 5

12:40 pm - 7:52 pm

DUB

ONT

15h 12m

1 stop

10:25 am - 9:45 am

ONT

DUB

15h 20m

1 stop

$1,148Iberia

Sun, Jun 21 - Sun, Jun 28

11:30 am - 10:20 pm

DUB

ONT

18h 50m

2 stops

8:55 am - 10:15 am

ONT

DUB

17h 20m

2 stops

$1,184Multiple Airlines

Sun, Feb 1 - Sun, Feb 8

6:25 am - 11:56 pm

DUB

ONT

25h 31m

2 stops

11:53 am - 10:10 pm

ONT

DUB

26h 17m

2 stops

$1,211Multiple Airlines

Sun, Jan 25 - Sun, Feb 8

11:30 am - 11:56 pm

DUB

ONT

20h 26m

2 stops

8:55 am - 10:15 am

ONT

DUB

17h 20m

2 stops

$1,451Multiple Airlines

Mon, Jan 26 - Wed, Feb 11

11:30 am - 10:35 pm

DUB

ONT

18h 05m

2 stops

10:33 am - 10:15 am

ONT

DUB

16h 42m

2 stops

$1,478Multiple Airlines

Sun, Mar 15 - Mon, Mar 23

11:30 am - 10:45 pm

DUB

ONT

18h 15m

2 stops

10:33 am - 12:15 pm

ONT

DUB

18h 42m

2 stops

$1,616Multiple Airlines

Thu, Mar 26 - Fri, Mar 27

American Airlines flights from Dublin to Ontario

Our best American Airlines deals on Dublin to Ontario flight tickets

American Airlines

Jan 22

DUB11:30 amDublin

43h 18m

2 stops

ONT10:48 pmOntario

Jan 25

ONT10:58 amOntario

13h 42m

2 stops

DUB8:40 amDublin

$506

American Airlines

Jan 25

DUB11:30 amDublin

19h 18m

2 stops

ONT10:48 pmOntario

Feb 1

ONT6:00 amOntario

18h 40m

2 stops

DUB8:40 amDublin

$507

American Airlines

Jan 22

DUB11:30 amDublin

19h 18m

2 stops

ONT10:48 pmOntario

Jan 25

ONT11:59 pmOntario

24h 41m

2 stops

DUB8:40 amDublin

$508

United Airlines flights from Dublin to Ontario

Our best United Airlines deals on Dublin to Ontario flight tickets

United Airlines

Jan 20

DUB10:40 amDublin

18h 18m

2 stops

ONT8:58 pmOntario

Jan 27

ONT8:00 amOntario

16h 10m

2 stops

DUB8:10 amDublin

$700

United Airlines

Mar 1

DUB9:00 amDublin

19h 50m

2 stops

ONT8:50 pmOntario

Mar 30

ONT7:00 amOntario

18h 45m

1 stop

DUB9:45 amDublin

$3,249

United Airlines

Mar 3

DUB9:30 amDublin

20h 30m

2 stops

ONT10:00 pmOntario

Mar 30

ONT7:00 amOntario

18h 45m

1 stop

DUB9:45 amDublin

$3,252

Fly from

Fly to

Route

Depart

Return

Price

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 1/25

11:30 am-10:48 pm

2 stops19h 18m

Ontario

Sun 2/1

6:00 am-8:40 am

2 stops18h 40m

$507

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 3/11

11:30 am-11:52 pm

2 stops19h 22m

Ontario

Wed 3/25

10:33 am-10:15 am

2 stops16h 42m

$969

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 2/3

11:30 am-9:45 pm

2 stops18h 15m

Ontario

Fri 2/6

9:45 am-10:15 am

2 stops16h 30m

$1,069

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 3/28

8:45 am-10:30 pm

2 stops20h 45m

Ontario

Sun 4/5

2:39 pm-2:50 pm

2 stops16h 11m

$1,079

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 6/21

12:40 pm-7:52 pm

1 stop15h 12m

Ontario

Sun 6/28

10:25 am-9:45 am

1 stop15h 20m

$1,148

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 2/1

11:30 am-10:20 pm

2 stops18h 50m

Ontario

Sun 2/8

8:55 am-10:15 am

2 stops17h 20m

$1,184

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 1/25

6:25 am-11:56 pm

2 stops25h 31m

Ontario

Sun 2/8

11:53 am-10:10 pm

2 stops26h 17m

$1,211

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 1/26

11:30 am-11:56 pm

2 stops20h 26m

Ontario

Wed 2/11

8:55 am-10:15 am

2 stops17h 20m

$1,451

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 3/15

11:30 am-10:35 pm

2 stops18h 05m

Ontario

Mon 3/23

10:33 am-10:15 am

2 stops16h 42m

$1,478

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 3/26

11:30 am-10:45 pm

2 stops18h 15m

Ontario

Fri 3/27

10:33 am-12:15 pm

2 stops18h 42m

$1,616

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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?

British Airways, Iberia, and Delta 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 68% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 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.