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.

€332 Cheap Flights from Dublin to Ontario in 2026

Find the cheapest flights from Dublin to Los Angeles

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:50 - 22:59DUB Dublin-ONT Ontario

21h 09m2 stops Madrid Barajas Dallas/Fort Worth

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

13h 08m1 stop Dallas/Fort Worth

€611Iberia

Tue, 8 Sep - Thu, 24 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

€613Iberia

Tue, 8 Sep - Thu, 24 Sep

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

18h 19m1 stop Dallas/Fort Worth

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

15h 20m1 stop Dallas/Fort Worth

€615Iberia

Thu, 3 Sep - Fri, 11 Sep

08:50 - 22:49DUB Dublin-ONT Ontario

21h 59m2 stops London Heathrow Dallas/Fort Worth

15:09 - 15:05ONT Ontario-DUB Dublin

15h 56m2 stops Dallas/Fort Worth London Heathrow

€616British Airways

Wed, 20 Jan - Sun, 24 Jan

10:20 - 22:49DUB Dublin-ONT Ontario

20h 29m2 stops London Heathrow Dallas/Fort Worth

15:09 - 19:40ONT Ontario-DUB Dublin

20h 31m2 stops Dallas/Fort Worth London Heathrow

€617British Airways

Wed, 20 Jan - Sun, 24 Jan

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

€618Multiple Airlines

Fri, 28 Aug - Sat, 12 Sep

11:30 - 22:38DUB Dublin-ONT Ontario

19h 08m1 stop New York John F Kennedy Intl

23:59 - 09:00ONT Ontario-DUB Dublin

25h 01m1 stop New York John F Kennedy Intl

€622JetBlue

Thu, 27 Aug - Mon, 31 Aug

09:50 - 22:59DUB Dublin-ONT Ontario

21h 09m2 stops Madrid Barajas Dallas/Fort Worth

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

17h 20m1 stop Dallas/Fort Worth

€625Iberia

Fri, 28 Aug - Fri, 11 Sep

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

14h 07m1 stop Dallas/Fort Worth

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

15h 20m1 stop Dallas/Fort Worth

€627American Airlines

Thu, 27 Aug - Thu, 10 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

€628American Airlines

Fri, 28 Aug - Thu, 10 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

09:30 - 18:15DUB Dublin-ONT Ontario

16h 45m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

10:29 - 09:45ONT Ontario-DUB Dublin

15h 16m1 stop Dallas/Fort Worth

€749American Airlines

Tue, 11 Aug - Mon, 24 Aug

12:40 - 12:03DUB Dublin-ONT Ontario

31h 23m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

12:59 - 18:50ONT Ontario-DUB Dublin

21h 51m2 stops Phoenix Sky Harbor Intl London Heathrow

€761American Airlines

Tue, 11 Aug - Tue, 25 Aug

09:30 - 18:15DUB Dublin-ONT Ontario

16h 45m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

14:27 - 18:40ONT Ontario-DUB Dublin

20h 13m2 stops Dallas/Fort Worth London Heathrow

€848American Airlines

Tue, 11 Aug - Mon, 24 Aug

11:35 - 20:01DUB Dublin-ONT Ontario

16h 26m2 stops Chicago O'Hare Intl San Francisco

19:13 - 07:30ONT Ontario-DUB Dublin

28h 17m3 stops San Francisco Boston Logan Intl Newark

€859United Airlines

Tue, 11 Aug - Mon, 24 Aug

15:25 - 23:11DUB Dublin-ONT Ontario

15h 46m1 stop Seattle/Tacoma Intl

06:02 - 12:20ONT Ontario-DUB Dublin

22h 18m1 stop Seattle/Tacoma Intl

€904Multiple Airlines

Tue, 11 Aug - Wed, 26 Aug

11:00 - 19:53DUB Dublin-ONT Ontario

16h 53m1 stop Atlanta Hartsfield-Jackson

07:05 - 08:45ONT Ontario-DUB Dublin

17h 40m1 stop Atlanta Hartsfield-Jackson

€979Delta

Tue, 11 Aug - Thu, 20 Aug

11:00 - 19:53DUB Dublin-ONT Ontario

16h 53m1 stop Atlanta Hartsfield-Jackson

22:00 - 08:45ONT Ontario-DUB Dublin

26h 45m1 stop Atlanta Hartsfield-Jackson

€989Delta

Tue, 11 Aug - Fri, 21 Aug

11:35 - 22:51DUB Dublin-ONT Ontario

19h 16m1 stop Chicago O'Hare Intl

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

18h 45m1 stop Chicago O'Hare Intl

€1,000United Airlines

Fri, 7 Aug - Mon, 24 Aug

12:30 - 23:52DUB Dublin-ONT Ontario

19h 22m2 stops London Heathrow Portland

14:27 - 17:15ONT Ontario-DUB Dublin

18h 48m2 stops Dallas/Fort Worth London Heathrow

€1,010British Airways

Tue, 11 Aug - Thu, 20 Aug

12:00 - 23:34DUB Dublin-ONT Ontario

19h 34m2 stops Minneapolis St Paul Salt Lake City

07:05 - 08:45ONT Ontario-DUB Dublin

17h 40m1 stop Atlanta Hartsfield-Jackson

€1,032Delta

Mon, 10 Aug - Sun, 23 Aug

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

British Airways flights from Dublin to Ontario

Our best British Airways deals on Dublin to Ontario flight tickets

British Airways

20 Jan

DUB08:50Dublin

21h 59m

2 stops

ONT22:49Ontario

24 Jan

ONT15:09Ontario

15h 56m

2 stops

DUB15:05Dublin

€616

British Airways

20 Jan

DUB10:20Dublin

20h 29m

2 stops

ONT22:49Ontario

24 Jan

ONT15:09Ontario

20h 31m

2 stops

DUB19:40Dublin

€617

British Airways

3 Sept

DUB12:40Dublin

14h 07m

1 stop

ONT18:47Ontario

29 Sept

ONT12:37Ontario

13h 08m

1 stop

DUB09:45Dublin

€659

Iberia flights from Dublin to Ontario

Our best Iberia deals on Dublin to Ontario flight tickets

Iberia

8 Sept

DUB09:50Dublin

21h 09m

2 stops

ONT22:59Ontario

24 Sept

ONT12:37Ontario

13h 08m

1 stop

DUB09:45Dublin

€611

Iberia

8 Sept

DUB12:40Dublin

18h 19m

1 stop

ONT22:59Ontario

24 Sept

ONT12:37Ontario

13h 08m

1 stop

DUB09:45Dublin

€613

Iberia

28 Aug

DUB09:50Dublin

21h 09m

2 stops

ONT22:59Ontario

11 Sept

ONT08:25Ontario

17h 20m

1 stop

DUB09:45Dublin

€625

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 8/9

09:50-22:59

2 stops21h 09m

Ontario

Thu 24/9

12:37-09:45

1 stop13h 08m

€611

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 8/9

12:40-22:59

1 stop18h 19m

Ontario

Thu 24/9

12:37-09:45

1 stop13h 08m

€613

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 3/9

12:40-22:59

1 stop18h 19m

Ontario

Fri 11/9

10:25-09:45

1 stop15h 20m

€615

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Wed 20/1

08:50-22:49

2 stops21h 59m

Ontario

Sun 24/1

15:09-15:05

2 stops15h 56m

€616

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Wed 20/1

10:20-22:49

2 stops20h 29m

Ontario

Sun 24/1

15:09-19:40

2 stops20h 31m

€617

Fastest return journey

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 28/8

12:40-18:47

1 stop14h 07m

Ontario

Sat 12/9

12:37-09:45

1 stop13h 08m

€618

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 27/8

11:30-22:38

1 stop19h 08m

Ontario

Mon 31/8

23:59-09:00

1 stop25h 01m

€622

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 28/8

09:50-22:59

2 stops21h 09m

Ontario

Fri 11/9

08:25-09:45

1 stop17h 20m

€625

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 27/8

12:40-18:47

1 stop14h 07m

Ontario

Thu 10/9

10:25-09:45

1 stop15h 20m

€627

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 28/8

12:40-22:59

1 stop18h 19m

Ontario

Thu 10/9

12:37-09:45

1 stop13h 08m

€628

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 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 79% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 7 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	14h 07m
Direct flights	None

The fastest flight from Dublin to Ontario takes 14h 07m

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

Search flight deals

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 07m, 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.