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 travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£439 Cheap Flights from Dublin to Ontario in 2025/26

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Find the cheapest flights from Dublin to Los Angeles

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13:45 - 21:56DUB-ONT

16h 11m1 stop

12:55 - 09:45ONT-DUB

12h 50m1 stop

£439Multiple Airlines

Find Deal

Tue, 21 Apr - Tue, 5 May

12:40 - 20:18DUB-ONT

15h 38m1 stop

12:55 - 09:45ONT-DUB

12h 50m1 stop

£439Multiple Airlines

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Fri, 10 Apr - Wed, 15 Apr

05:55 - 22:51DUB-ONT

24h 56m2 stops

22:30 - 15:45ONT-DUB

33h 15m2 stops

£453Delta

Find Deal

Sat, 17 Jan - Sat, 24 Jan

09:00 - 11:18DUB-ONT

34h 18m3 stops

06:00 - 07:30ONT-DUB

17h 30m2 stops

£458United Airlines

Find Deal

Sat, 17 Jan - Sat, 24 Jan

09:50 - 22:26DUB-ONT

20h 36m2 stops

07:00 - 07:20ONT-DUB

16h 20m2 stops

£461United Airlines

Find Deal

Wed, 1 Apr - Mon, 13 Apr

09:30 - 20:58DUB-ONT

19h 28m2 stops

05:00 - 07:30ONT-DUB

18h 30m2 stops

£463United Airlines

Find Deal

Mon, 9 Feb - Sun, 15 Feb

11:35 - 22:26DUB-ONT

18h 51m1 stop

07:00 - 07:20ONT-DUB

16h 20m2 stops

£466United Airlines

Find Deal

Thu, 2 Apr - Tue, 14 Apr

10:40 - 22:25DUB-ONT

19h 45m1 stop

05:05 - 07:30ONT-DUB

18h 25m2 stops

£550United Airlines

Find Deal

Tue, 23 Dec - Sat, 10 Jan

09:45 - 19:39DUB-ONT

17h 54m1 stop

11:15 - 07:45ONT-DUB

12h 30m1 stop

£567Delta

Find Deal

Mon, 15 Dec - Wed, 31 Dec

11:00 - 11:35DUB-ONT

32h 35m1 stop

07:00 - 10:45ONT-DUB

19h 45m2 stops

£570Delta

Find Deal

Wed, 1 Apr - Mon, 13 Apr

Delta flights from Dublin to Ontario

Our best Delta deals on Dublin to Ontario flight tickets

Delta

17 Jan

DUB05:55Dublin

24h 56m

2 stops

ONT22:51Ontario

24 Jan

ONT22:30Ontario

33h 15m

2 stops

DUB15:45Dublin

£453

Find similar

Delta

15 Dec

DUB09:45Dublin

17h 54m

1 stop

ONT19:39Ontario

31 Dec

ONT11:15Ontario

12h 30m

1 stop

DUB07:45Dublin

£567

Find similar

Delta

1 Apr

DUB11:00Dublin

32h 35m

1 stop

ONT11:35Ontario

14 Apr

ONT07:00Ontario

18h 15m

2 stops

DUB09:15Dublin

£570

Find similar

United Airlines flights from Dublin to Ontario

Our best United Airlines deals on Dublin to Ontario flight tickets

United Airlines

17 Jan

DUB09:00Dublin

34h 18m

3 stops

ONT11:18Ontario

24 Jan

ONT06:00Ontario

17h 30m

2 stops

DUB07:30Dublin

£458

Find similar

United Airlines

1 Apr

DUB09:50Dublin

20h 36m

2 stops

ONT22:26Ontario

11 Apr

ONT07:00Ontario

16h 20m

2 stops

DUB07:20Dublin

£461

Find similar

United Airlines

9 Feb

DUB09:30Dublin

19h 28m

2 stops

ONT20:58Ontario

15 Feb

ONT05:00Ontario

18h 30m

2 stops

DUB07:30Dublin

£463

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 21/4

13:45-21:56

1 stop16h 11m

Ontario

Tue 5/5

12:55-09:45

1 stop12h 50m

£439

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 10/4

12:40-20:18

1 stop15h 38m

Ontario

Wed 15/4

12:55-09:45

1 stop12h 50m

£439

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 17/1

05:55-22:51

2 stops24h 56m

Ontario

Sat 24/1

22:30-15:45

2 stops33h 15m

£453

DublinOntario

DUB - ONT

DUBONT

Dublin

Sat 17/1

09:00-11:18

3 stops34h 18m

Ontario

Sat 24/1

06:00-07:30

2 stops17h 30m

£458

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 1/4

09:50-22:26

2 stops20h 36m

Ontario

Mon 13/4

07:00-07:20

2 stops16h 20m

£461

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 9/2

09:30-20:58

2 stops19h 28m

Ontario

Sun 15/2

05:00-07:30

2 stops18h 30m

£463

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 2/4

11:35-22:26

1 stop18h 51m

Ontario

Tue 14/4

07:00-07:20

2 stops16h 20m

£466

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 23/12

10:40-22:25

1 stop19h 45m

Ontario

Sat 10/1

05:05-07:30

2 stops18h 25m

£550

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 15/12

09:45-19:39

1 stop17h 54m

Ontario

Wed 31/12

11:15-07:45

1 stop12h 30m

£567

DublinOntario

DUB - ONT

DUBONT

Dublin

Wed 1/4

11:00-11:35

1 stop32h 35m

Ontario

Mon 13/4

07:00-10:45

2 stops19h 45m

£570

Flights are sorted by cheapest return 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?

JetBlue is the most popular carrier operating from Dublin to Ontario

Which airlines fly to Ontario?

Aer Lingus, British Airways and United Airlines 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 65% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 10 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 return 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	38h 24m
Direct flights	None

The fastest flight from Dublin to Ontario takes 38h 24m

There are no direct flights from Dublin to Ontario. There are no popular flight routes from Dublin to Ontario.

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How far is Dublin to Ontario by plane?
There are 5136.8 mi between Dublin and Ontario. 15h 38m is a normal flight duration for this route.
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 travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Ontario?

It is quick and easy to find Dublin to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Dublin to Ontario with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ontario from Dublin with this policy.

How can momondo help me find flights from Dublin to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Dublin.

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.