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.

$515 Cheap Flights from Dublin to Ontario in 2026

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0 bags

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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 - 10:29 pm

DUB

ONT

18h 59m

2 stops

7:00 am - 8:40 am

ONT

DUB

17h 40m

2 stops

$515American Airlines

Fri, Feb 13 - Tue, Feb 17

11:30 am - 11:59 pm

DUB

ONT

20h 29m

2 stops

7:00 am - 8:40 am

ONT

DUB

17h 40m

2 stops

$517American Airlines

Thu, Feb 12 - Wed, Feb 18

11:30 am - 1:49 pm

DUB

ONT

34h 19m

2 stops

7:05 pm - 8:40 am

ONT

DUB

29h 35m

2 stops

$519American Airlines

Fri, Feb 27 - Mon, Mar 2

6:00 am - 9:44 pm

DUB

ONT

23h 44m

2 stops

10:20 pm - 7:45 am

ONT

DUB

25h 25m

1 stop

$560Multiple Airlines

Sat, Feb 28 - Sat, Mar 7

9:45 am - 9:05 pm

DUB

ONT

19h 20m

1 stop

10:20 pm - 7:45 am

ONT

DUB

25h 25m

1 stop

$564KLM

Sat, Feb 28 - Sat, Mar 7

12:40 pm - 10:35 pm

DUB

ONT

17h 55m

1 stop

12:46 pm - 9:45 am

ONT

DUB

12h 59m

1 stop

$591Iberia

Tue, May 19 - Mon, Jun 15

9:00 am - 8:50 pm

DUB

ONT

19h 50m

2 stops

6:15 am - 9:55 am

ONT

DUB

19h 40m

2 stops

$707United Airlines

Sat, Feb 28 - Sat, Mar 7

12:05 pm - 10:36 pm

DUB

ONT

41h 31m

2 stops

5:15 am - 10:20 am

ONT

DUB

22h 05m

2 stops

$746United Airlines

Sun, Mar 15 - Sun, Mar 22

5:15 pm - 4:02 pm

DUB

ONT

30h 47m

2 stops

6:00 am - 7:45 am

ONT

DUB

17h 45m

2 stops

$777Multiple Airlines

Thu, Feb 26 - Thu, Mar 5

9:45 am - 9:05 pm

DUB

ONT

19h 20m

1 stop

6:00 am - 7:45 am

ONT

DUB

17h 45m

2 stops

$788KLM

Thu, Feb 26 - Thu, Mar 5

American Airlines flights from Dublin to Ontario

Our best American Airlines deals on Dublin to Ontario flight tickets

American Airlines

Feb 13

DUB11:30 amDublin

18h 59m

2 stops

ONT10:29 pmOntario

Feb 17

ONT7:00 amOntario

17h 40m

2 stops

DUB8:40 amDublin

$515

American Airlines

Feb 12

DUB11:30 amDublin

20h 29m

2 stops

ONT11:59 pmOntario

Feb 18

ONT7:00 amOntario

17h 40m

2 stops

DUB8:40 amDublin

$517

American Airlines

Feb 27

DUB11:30 amDublin

34h 19m

2 stops

ONT1:49 pmOntario

Mar 2

ONT7:05 pmOntario

29h 35m

2 stops

DUB8:40 amDublin

$519

KLM flights from Dublin to Ontario

Our best KLM deals on Dublin to Ontario flight tickets

KLM

Feb 28

DUB9:45 amDublin

19h 20m

1 stop

ONT9:05 pmOntario

Mar 7

ONT10:20 pmOntario

25h 25m

1 stop

DUB7:45 amDublin

$564

KLM

Feb 26

DUB9:45 amDublin

19h 20m

1 stop

ONT9:05 pmOntario

Mar 5

ONT6:00 amOntario

17h 45m

2 stops

DUB7:45 amDublin

$788

KLM

Jun 30

DUB11:00 amDublin

19h 09m

1 stop

ONT10:09 pmOntario

Jul 23

ONT7:00 amOntario

17h 45m

1 stop

DUB8:45 amDublin

$1,178

Fly from

Fly to

Route

Depart

Return

Price

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 2/13

11:30 am-10:29 pm

2 stops18h 59m

Ontario

Tue 2/17

7:00 am-8:40 am

2 stops17h 40m

$515

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 2/12

11:30 am-11:59 pm

2 stops20h 29m

Ontario

Wed 2/18

7:00 am-8:40 am

2 stops17h 40m

$517

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 2/27

11:30 am-1:49 pm

2 stops34h 19m

Ontario

Mon 3/2

7:05 pm-8:40 am

2 stops29h 35m

$519

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 2/28

6:00 am-9:44 pm

2 stops23h 44m

Ontario

Sat 3/7

10:20 pm-7:45 am

1 stop25h 25m

$560

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 2/28

9:45 am-9:05 pm

1 stop19h 20m

Ontario

Sat 3/7

10:20 pm-7:45 am

1 stop25h 25m

$564

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 5/19

12:40 pm-10:35 pm

1 stop17h 55m

Ontario

Mon 6/15

12:46 pm-9:45 am

1 stop12h 59m

$591

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 2/28

9:00 am-8:50 pm

2 stops19h 50m

Ontario

Sat 3/7

6:15 am-9:55 am

2 stops19h 40m

$707

DublinOntario

DUB - ONT

DUBONT

Dublin

Sun 3/15

12:05 pm-10:36 pm

2 stops41h 31m

Ontario

Sun 3/22

5:15 am-10:20 am

2 stops22h 05m

$746

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 2/26

5:15 pm-4:02 pm

2 stops30h 47m

Ontario

Thu 3/5

6:00 am-7:45 am

2 stops17h 45m

$777

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 2/26

9:45 am-9:05 pm

1 stop19h 20m

Ontario

Thu 3/5

6:00 am-7:45 am

2 stops17h 45m

$788

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?

Iberia and American Airlines 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.