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.

£284 Cheap Flights from Dublin to Ontario in 2026

1 adult

0 bags

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11:45 - 22:36

DUB

ONT

18h 51m

1 stop

22:00 - 09:35

ONT

DUB

27h 35m

1 stop

£457British Airways

Fri, 29 May - Fri, 5 Jun

09:30 - 18:30

DUB

ONT

17h 00m

2 stops

12:40 - 09:45

ONT

DUB

13h 05m

1 stop

£461American Airlines

Mon, 27 Apr - Mon, 29 Jun

12:30 - 23:46

DUB

ONT

19h 16m

2 stops

12:19 - 14:50

ONT

DUB

18h 31m

2 stops

£564British Airways

Thu, 30 Apr - Mon, 4 May

06:30 - 16:22

DUB

ONT

17h 52m

2 stops

12:19 - 19:35

ONT

DUB

23h 16m

2 stops

£565British Airways

Thu, 30 Apr - Mon, 4 May

12:35 - 22:36

DUB

ONT

18h 01m

2 stops

06:10 - 05:10

ONT

DUB

15h 00m

2 stops

£579American Airlines

Mon, 27 Apr - Thu, 25 Jun

13:45 - 21:57

DUB

ONT

16h 12m

2 stops

06:10 - 05:10

ONT

DUB

15h 00m

2 stops

£585American Airlines

Fri, 29 May - Fri, 5 Jun

12:50 - 22:59

DUB

ONT

18h 09m

1 stop

13:50 - 11:45

ONT

DUB

13h 55m

1 stop

£585Multiple Airlines

Thu, 14 May - Thu, 21 May

05:55 - 17:15

DUB

ONT

19h 20m

2 stops

12:49 - 08:45

ONT

DUB

35h 56m

1 stop

£637KLM

Tue, 28 Apr - Sat, 2 May

09:50 - 18:19

DUB

ONT

16h 29m

2 stops

05:00 - 09:45

ONT

DUB

20h 45m

2 stops

£638United Airlines

Thu, 3 Sep - Mon, 7 Sep

09:50 - 18:19

DUB

ONT

40h 29m

2 stops

05:00 - 07:30

ONT

DUB

18h 30m

2 stops

£638United Airlines

Thu, 3 Sep - Mon, 7 Sep

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KLM flights from Dublin to Ontario

Our best KLM deals on Dublin to Ontario flight tickets

KLM

28 Apr

DUB05:55Dublin

19h 20m

2 stops

ONT17:15Ontario

2 May

ONT12:49Ontario

35h 56m

1 stop

DUB08:45Dublin

£637

KLM

4 Aug

DUB11:00Dublin

18h 44m

1 stop

ONT21:44Ontario

25 Aug

ONT14:00Ontario

18h 40m

2 stops

DUB16:40Dublin

£769

KLM

20 Jul

DUB11:00Dublin

18h 44m

1 stop

ONT21:44Ontario

28 Jul

ONT07:05Ontario

18h 10m

2 stops

DUB09:15Dublin

£861

British Airways flights from Dublin to Ontario

Our best British Airways deals on Dublin to Ontario flight tickets

British Airways

29 May

DUB11:45Dublin

18h 51m

1 stop

ONT22:36Ontario

5 Jun

ONT22:00Ontario

27h 35m

1 stop

DUB09:35Dublin

£457

British Airways

30 Apr

DUB12:30Dublin

19h 16m

2 stops

ONT23:46Ontario

4 May

ONT12:19Ontario

18h 31m

2 stops

DUB14:50Dublin

£564

British Airways

30 Apr

DUB06:30Dublin

17h 52m

2 stops

ONT16:22Ontario

4 May

ONT12:19Ontario

23h 16m

2 stops

DUB19:35Dublin

£565

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 29/5

11:45-22:36

1 stop18h 51m

Ontario

Fri 5/6

22:00-09:35

1 stop27h 35m

£457

Fastest return journey

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 27/4

09:30-18:30

2 stops17h 00m

Ontario

Mon 29/6

12:40-09:45

1 stop13h 05m

£461

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 30/4

12:30-23:46

2 stops19h 16m

Ontario

Mon 4/5

12:19-14:50

2 stops18h 31m

£564

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 30/4

06:30-16:22

2 stops17h 52m

Ontario

Mon 4/5

12:19-19:35

2 stops23h 16m

£565

DublinOntario

DUB - ONT

DUBONT

Dublin

Mon 27/4

12:35-22:36

2 stops18h 01m

Ontario

Thu 25/6

06:10-05:10

2 stops15h 00m

£579

DublinOntario

DUB - ONT

DUBONT

Dublin

Fri 29/5

13:45-21:57

2 stops16h 12m

Ontario

Fri 5/6

06:10-05:10

2 stops15h 00m

£585

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 14/5

12:50-22:59

1 stop18h 09m

Ontario

Thu 21/5

13:50-11:45

1 stop13h 55m

£585

DublinOntario

DUB - ONT

DUBONT

Dublin

Tue 28/4

05:55-17:15

2 stops19h 20m

Ontario

Sat 2/5

12:49-08:45

1 stop35h 56m

£637

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 3/9

09:50-18:19

2 stops16h 29m

Ontario

Mon 7/9

05:00-09:45

2 stops20h 45m

£638

DublinOntario

DUB - ONT

DUBONT

Dublin

Thu 3/9

09:50-18:19

2 stops40h 29m

Ontario

Mon 7/9

05:00-07:30

2 stops18h 30m

£638

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 Scandinavian 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 74% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 9 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	15h 33m
Direct flights	None

The fastest flight from Dublin to Ontario takes 15h 33m

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

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Frequently asked questions about flying from Dublin to Ontario

How far is Dublin to Ontario by plane?
There are 5136.8 mi between Dublin and Ontario. 15h 33m 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.