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.

€448 Cheap Flights from Dublin to Ontario in 2026

Find the cheapest flights from Dublin to Los Angeles

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

11:30 - 20:48DUB Dublin-ONT Ontario

41h 18m2 stops Philadelphia Chicago O'Hare Intl

09:59 - 08:30ONT Ontario-DUB Dublin

14h 31m2 stops Phoenix Sky Harbor Intl Philadelphia

€562American Airlines

Thu, 14 Jan - Sun, 17 Jan

12:40 - 18:44DUB Dublin-ONT Ontario

14h 04m1 stop Dallas/Fort Worth

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

16h 10m1 stop Dallas/Fort Worth

€591American Airlines

Mon, 19 Oct - Wed, 4 Nov

12:40 - 23:52DUB Dublin-ONT Ontario

19h 12m1 stop Dallas/Fort Worth

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

17h 10m1 stop Dallas/Fort Worth

€591American Airlines

Mon, 19 Oct - Wed, 4 Nov

12:40 - 09:35DUB Dublin-ONT Ontario

28h 55m1 stop Dallas/Fort Worth

07:00 - 08:40ONT Ontario-DUB Dublin

17h 40m2 stops Dallas/Fort Worth Philadelphia

€591American Airlines

Mon, 19 Oct - Wed, 4 Nov

09:50 - 23:52DUB Dublin-ONT Ontario

22h 02m2 stops Madrid Barajas Dallas/Fort Worth

10:25 - 09:45ONT Ontario-DUB Dublin

15h 20m1 stop Dallas/Fort Worth

€623Iberia

Tue, 6 Oct - Tue, 13 Oct

12:40 - 18:44DUB Dublin-ONT Ontario

14h 04m1 stop Dallas/Fort Worth

22:10 - 09:35ONT Ontario-DUB Dublin

27h 25m1 stop Charlotte Douglas

€623Multiple Airlines

Fri, 9 Oct - Fri, 16 Oct

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

19h 14m1 stop Charlotte Douglas

10:25 - 09:45ONT Ontario-DUB Dublin

15h 20m1 stop Dallas/Fort Worth

€623American Airlines

Sat, 10 Oct - Sat, 17 Oct

12:40 - 13:30DUB Dublin-ONT Ontario

32h 50m1 stop Dallas/Fort Worth

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

35h 23m1 stop Dallas/Fort Worth

€623Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

12:40 - 13:30DUB Dublin-ONT Ontario

32h 50m1 stop Dallas/Fort Worth

07:00 - 09:45ONT Ontario-DUB Dublin

18h 45m1 stop Dallas/Fort Worth

€624Multiple Airlines

Tue, 6 Oct - Tue, 13 Oct

12:40 - 23:52DUB Dublin-ONT Ontario

19h 12m1 stop Dallas/Fort Worth

12:43 - 09:45ONT Ontario-DUB Dublin

13h 02m1 stop Dallas/Fort Worth

€626Iberia

Tue, 6 Oct - Tue, 13 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

€640American Airlines

Sat, 29 Aug - Mon, 14 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

€640American Airlines

Sat, 29 Aug - Sun, 13 Sep

09:20 - 18:11DUB Dublin-ONT Ontario

16h 51m2 stops Toronto Pearson Intl San Francisco

09:01 - 08:15ONT Ontario-DUB Dublin

15h 14m2 stops San Francisco Toronto Pearson Intl

€837Multiple Airlines

Mon, 31 Aug - Tue, 15 Sep

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

14h 18m1 stop Dallas/Fort Worth

10:25 - 09:45ONT Ontario-DUB Dublin

15h 20m1 stop Dallas/Fort Worth

€842American Airlines

Sat, 29 Aug - Sat, 12 Sep

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

14h 18m1 stop Dallas/Fort Worth

10:25 - 09:45ONT Ontario-DUB Dublin

15h 20m1 stop Dallas/Fort Worth

€886Iberia

Sat, 29 Aug - Fri, 11 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

€907British Airways

Fri, 28 Aug - Sun, 30 Aug

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

€941American Airlines

Mon, 31 Aug - Mon, 14 Sep

09:20 - 18:11DUB Dublin-ONT Ontario

16h 51m2 stops Toronto Pearson Intl San Francisco

09:01 - 08:15ONT Ontario-DUB Dublin

15h 14m2 stops San Francisco Toronto Pearson Intl

€986Multiple Airlines

Mon, 31 Aug - Wed, 16 Sep

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

14h 18m1 stop Dallas/Fort Worth

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

13h 12m1 stop Dallas/Fort Worth

€996American Airlines

Sat, 29 Aug - Fri, 4 Sep

09:20 - 18:11DUB Dublin-ONT Ontario

16h 51m2 stops Toronto Pearson Intl San Francisco

09:01 - 08:15ONT Ontario-DUB Dublin

15h 14m2 stops San Francisco Toronto Pearson Intl

€1,051Multiple Airlines

Tue, 1 Sep - Tue, 8 Sep

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British Airways flights from Dublin to Ontario

Our best British Airways deals on Dublin to Ontario flight tickets

British Airways

3 Nov

DUB20:40Dublin

30h 02m

2 stops

ONT18:42Ontario

24 Nov

ONT10:37Ontario

19h 43m

2 stops

DUB14:20Dublin

€627

British Airways

28 Aug

DUB12:40Dublin

14h 07m

1 stop

ONT18:47Ontario

30 Aug

ONT12:33Ontario

13h 12m

1 stop

DUB09:45Dublin

€907

Iberia flights from Dublin to Ontario

Our best Iberia deals on Dublin to Ontario flight tickets

Iberia

18 Jan

DUB18:30Dublin

23h 11m

2 stops

ONT09:41Ontario

2 Mar

ONT07:00Ontario

18h 20m

2 stops

DUB09:20Dublin

€599

Iberia

4 Nov

DUB18:30Dublin

23h 10m

2 stops

ONT09:40Ontario

25 Nov

ONT06:00Ontario

17h 15m

1 stop

DUB07:15Dublin

€631

Iberia

6 Oct

DUB09:50Dublin

22h 02m

2 stops

ONT23:52Ontario

13 Oct

ONT10:25Ontario

15h 20m

1 stop

DUB09:45Dublin

€632

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 14/1

11:30-20:48

2 stops41h 18m

Ontario

Sun 17/1

09:59-08:30

2 stops14h 31m

€562

Fastest return journey

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 19/10

12:40-18:44

1 stop14h 04m

Ontario

Wed 4/11

07:00-07:10

1 stop16h 10m

€591

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 19/10

12:40-23:52

1 stop19h 12m

Ontario

Wed 4/11

06:00-07:10

1 stop17h 10m

€591

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Mon 19/10

12:40-09:35

1 stop28h 55m

Ontario

Wed 4/11

07:00-08:40

2 stops17h 40m

€591

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 6/10

09:50-23:52

2 stops22h 02m

Ontario

Tue 13/10

10:25-09:45

1 stop15h 20m

€623

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 9/10

12:40-18:44

1 stop14h 04m

Ontario

Fri 16/10

22:10-09:35

1 stop27h 25m

€623

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Sat 10/10

11:45-22:59

1 stop19h 14m

Ontario

Sat 17/10

10:25-09:45

1 stop15h 20m

€623

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 6/10

12:40-13:30

1 stop32h 50m

Ontario

Tue 13/10

14:22-09:45

1 stop35h 23m

€623

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 6/10

12:40-13:30

1 stop32h 50m

Ontario

Tue 13/10

07:00-09:45

1 stop18h 45m

€624

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 6/10

12:40-23:52

1 stop19h 12m

Ontario

Tue 13/10

12:43-09:45

1 stop13h 02m

€626

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 is the most popular carrier 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 80% 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	€448
Fastest flight time	14h 04m
Direct flights	None

The best one-way flight to Ontario from Dublin in the past 72 hours is €448. The best return flight deal from Dublin to Ontario found on momondo in the last 72 hours is €562.

The fastest flight from Dublin to Ontario takes 14h 04m

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 14h 04m, 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.