When did momondo last update prices for flights from Dublin Airport to Ontario Airport?

Prices for flights from Dublin Airport to Ontario Airport are refreshed on a daily basis.

How old do you have to be to fly from Dublin Airport to Ontario Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

€553 Cheap Flights from Dublin to Ontario in 2026

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Enter your travel dates to find the best prices.

08:50 - 22:45DUB Dublin-ONT Ontario

21h 55m2 stops London Heathrow Dallas/Fort Worth

07:00 - 09:55ONT Ontario-DUB Dublin

18h 55m2 stops Dallas/Fort Worth London Heathrow

€553British Airways

Thu, 21 Jan - Mon, 25 Jan

10:50 - 21:59DUB Dublin-ONT Ontario

19h 09m2 stops London Heathrow Phoenix Sky Harbor Intl

07:00 - 12:35ONT Ontario-DUB Dublin

21h 35m2 stops Dallas/Fort Worth London Heathrow

€555British Airways

Thu, 21 Jan - Mon, 25 Jan

08:50 - 22:45DUB Dublin-ONT Ontario

21h 55m2 stops London Heathrow Dallas/Fort Worth

07:00 - 09:55ONT Ontario-DUB Dublin

18h 55m2 stops Dallas/Fort Worth London Heathrow

€555British Airways

Thu, 21 Jan - Mon, 25 Jan

20:40 - 18:52DUB Dublin-ONT Ontario

30h 12m2 stops London Heathrow Dallas/Fort Worth

12:43 - 15:25ONT Ontario-DUB Dublin

18h 42m2 stops Dallas/Fort Worth London Heathrow

€557British Airways

Thu, 21 Jan - Mon, 25 Jan

12:55 - 21:32DUB Dublin-ONT Ontario

16h 37m1 stop Dallas/Fort Worth

10:30 - 07:10ONT Ontario-DUB Dublin

12h 40m1 stop Dallas/Fort Worth

€564American Airlines

Thu, 5 Nov - Wed, 18 Nov

13:00 - 22:57DUB Dublin-ONT Ontario

17h 57m1 stop Dallas/Fort Worth

07:00 - 07:15ONT Ontario-DUB Dublin

16h 15m1 stop Dallas/Fort Worth

€564Iberia

Sat, 7 Nov - Fri, 13 Nov

12:55 - 21:11DUB Dublin-ONT Ontario

15h 16m1 stop Dallas/Fort Worth

06:00 - 07:10ONT Ontario-DUB Dublin

17h 10m1 stop Dallas/Fort Worth

€586Iberia

Mon, 26 Oct - Sun, 8 Nov

12:55 - 21:11DUB Dublin-ONT Ontario

15h 16m1 stop Dallas/Fort Worth

06:00 - 07:10ONT Ontario-DUB Dublin

17h 10m1 stop Dallas/Fort Worth

€588Iberia

Mon, 26 Oct - Sun, 8 Nov

12:55 - 21:11DUB Dublin-ONT Ontario

15h 16m1 stop Dallas/Fort Worth

07:00 - 07:10ONT Ontario-DUB Dublin

16h 10m1 stop Dallas/Fort Worth

€589Iberia

Fri, 30 Oct - Sat, 7 Nov

11:45 - 22:59DUB Dublin-ONT Ontario

19h 14m1 stop Charlotte Douglas

10:30 - 07:10ONT Ontario-DUB Dublin

12h 40m1 stop Dallas/Fort Worth

€590American Airlines

Fri, 16 Oct - Sun, 1 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

13:45 - 22:59DUB Dublin-ONT Ontario

17h 14m2 stops Philadelphia Dallas/Fort Worth

14:22 - 09:45ONT Ontario-DUB Dublin

35h 23m1 stop Dallas/Fort Worth

€615American Airlines

Sun, 6 Sep - Sun, 13 Sep

12:40 - 22:59DUB Dublin-ONT Ontario

18h 19m1 stop Dallas/Fort Worth

08:25 - 09:45ONT Ontario-DUB Dublin

17h 20m1 stop Dallas/Fort Worth

€615Iberia

Sun, 6 Sep - Sun, 13 Sep

12:40 - 09:34DUB Dublin-ONT Ontario

28h 54m1 stop Dallas/Fort Worth

08:25 - 09:45ONT Ontario-DUB Dublin

17h 20m1 stop Dallas/Fort Worth

€617American Airlines

Sat, 5 Sep - Mon, 21 Sep

12:40 - 18:58DUB Dublin-ONT Ontario

14h 18m1 stop Dallas/Fort Worth

12:37 - 09:45ONT Ontario-DUB Dublin

13h 08m1 stop Dallas/Fort Worth

€617Iberia

Sat, 5 Sep - Sat, 19 Sep

12:40 - 09:34DUB Dublin-ONT Ontario

28h 54m1 stop Dallas/Fort Worth

14:22 - 09:45ONT Ontario-DUB Dublin

35h 23m1 stop Dallas/Fort Worth

€617American Airlines

Sun, 6 Sep - Sun, 13 Sep

12:40 - 22:59DUB Dublin-ONT Ontario

18h 19m1 stop Dallas/Fort Worth

12:37 - 09:45ONT Ontario-DUB Dublin

13h 08m1 stop Dallas/Fort Worth

€617American Airlines

Sat, 5 Sep - Sat, 19 Sep

11:45 - 22:59DUB Dublin-ONT Ontario

19h 14m2 stops Charlotte Douglas Dallas/Fort Worth

07:20 - 09:45ONT Ontario-DUB Dublin

18h 25m1 stop Dallas/Fort Worth

€617American Airlines

Sat, 5 Sep - Mon, 21 Sep

12:40 - 18:47DUB Dublin-ONT Ontario

14h 07m1 stop Dallas/Fort Worth

12:37 - 09:45ONT Ontario-DUB Dublin

13h 08m1 stop Dallas/Fort Worth

€619American Airlines

Thu, 3 Sep - Thu, 17 Sep

12:40 - 18:47DUB Dublin-ONT Ontario

14h 07m1 stop Dallas/Fort Worth

07:05 - 09:45ONT Ontario-DUB Dublin

18h 40m1 stop Dallas/Fort Worth

€619American Airlines

Fri, 4 Sep - Tue, 8 Sep

12:40 - 18:47DUB Dublin-ONT Ontario

14h 07m1 stop Dallas/Fort Worth

12:33 - 09:45ONT Ontario-DUB Dublin

13h 12m1 stop Dallas/Fort Worth

€619American Airlines

Thu, 3 Sep - Tue, 8 Sep

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Delta flights from Dublin to Ontario

Our best Delta deals on Dublin to Ontario flight tickets

Delta

16 Oct

DUB05:55Dublin

26h 00m

2 stops

ONT23:55Ontario

23 Oct

ONT06:00Ontario

25h 25m

2 stops

DUB15:25Dublin

€749

Delta

12 Oct

DUB05:55Dublin

26h 00m

2 stops

ONT23:55Ontario

19 Oct

ONT09:45Ontario

24h 40m

2 stops

DUB18:25Dublin

€751

Delta

12 Oct

DUB05:55Dublin

19h 17m

2 stops

ONT17:12Ontario

19 Oct

ONT07:07Ontario

17h 38m

1 stop

DUB08:45Dublin

€754

British Airways flights from Dublin to Ontario

Our best British Airways deals on Dublin to Ontario flight tickets

British Airways

21 Jan

DUB08:50Dublin

21h 55m

2 stops

ONT22:45Ontario

25 Jan

ONT07:00Ontario

18h 55m

2 stops

DUB09:55Dublin

€553

British Airways

21 Jan

DUB10:50Dublin

19h 09m

2 stops

ONT21:59Ontario

25 Jan

ONT07:00Ontario

21h 35m

2 stops

DUB12:35Dublin

€555

British Airways

21 Jan

DUB20:40Dublin

30h 12m

2 stops

ONT18:52Ontario

25 Jan

ONT12:43Ontario

18h 42m

2 stops

DUB15:25Dublin

€557

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 21/1

08:50-22:45

2 stops21h 55m

Ontario

Mon 25/1

07:00-09:55

2 stops18h 55m

€553

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 21/1

10:50-21:59

2 stops19h 09m

Ontario

Mon 25/1

07:00-12:35

2 stops21h 35m

€555

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 21/1

08:50-22:45

2 stops21h 55m

Ontario

Mon 25/1

07:00-09:55

2 stops18h 55m

€555

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 21/1

20:40-18:52

2 stops30h 12m

Ontario

Mon 25/1

12:43-15:25

2 stops18h 42m

€557

Fastest return journey

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 5/11

12:55-21:32

1 stop16h 37m

Ontario

Wed 18/11

10:30-07:10

1 stop12h 40m

€564

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Sat 7/11

13:00-22:57

1 stop17h 57m

Ontario

Fri 13/11

07:00-07:15

1 stop16h 15m

€564

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 26/10

12:55-21:11

1 stop15h 16m

Ontario

Sun 8/11

06:00-07:10

1 stop17h 10m

€586

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 26/10

12:55-21:11

1 stop15h 16m

Ontario

Sun 8/11

06:00-07:10

1 stop17h 10m

€588

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 30/10

12:55-21:11

1 stop15h 16m

Ontario

Sat 7/11

07:00-07:10

1 stop16h 10m

€589

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 16/10

11:45-22:59

1 stop19h 14m

Ontario

Sun 1/11

10:30-07:10

1 stop12h 40m

€590

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?

Aer Lingus, Iberia, and JetBlue are the most popular carriers operating from Dublin to Ontario

Which airlines fly to Ontario?

Aer Lingus, British Airways 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 81% of people opting to fly with this airline when travelling 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 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

Best price found	€616
Fastest flight time	15h 59m
Direct flights	None

The best one-way flight to Ontario from Dublin in the past 72 hours is €616. The best return flight deal from Dublin to Ontario found on momondo in the last 72 hours is €553.

The fastest flight from Dublin to Ontario takes 15h 59m

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?
A flight from Dublin to Ontario will travel around 8266.8 km. Flights usually cover this in 15h 59m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Dublin Airport to Ontario Airport?
Prices for flights from Dublin Airport to Ontario Airport are refreshed on a daily basis.
How old do you have to be to fly from Dublin Airport to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek 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?

Finding the right flight to Ontario from Dublin is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Ontario from Dublin which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Dublin to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Dublin to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Dublin to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.