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 necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$424 Cheap Flights from Dublin to Ontario in 2026/27

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One-way

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Cheap round-trip flights

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5:45 am - 4:23 pmDUB Dublin-ONT Ontario

18h 38m2 stops Amsterdam Schiphol Salt Lake City

7:05 am - 7:45 amONT Ontario-DUB Dublin

16h 40m1 stop Atlanta Hartsfield-Jackson

$705Delta

Thu, Nov 5 - Mon, Nov 9

9:00 am - 8:25 pmDUB Dublin-ONT Ontario

19h 25m2 stops Toronto Pearson Intl San Francisco

7:00 am - 8:10 amONT Ontario-DUB Dublin

17h 10m1 stop Chicago O'Hare Intl

$708United Airlines

Thu, Jan 21 - Mon, Jan 25

12:55 pm - 10:57 pmDUB Dublin-ONT Ontario

18h 02m1 stop Dallas/Fort Worth

7:00 am - 7:10 amONT Ontario-DUB Dublin

16h 10m1 stop Dallas/Fort Worth

$710Iberia

Tue, Nov 10 - Tue, Nov 17

10:40 am - 6:50 pmDUB Dublin-ONT Ontario

16h 10m1 stop Chicago O'Hare Intl

7:00 am - 8:10 amONT Ontario-DUB Dublin

17h 10m1 stop Chicago O'Hare Intl

$711United Airlines

Thu, Jan 21 - Mon, Jan 25

12:55 pm - 9:32 pmDUB Dublin-ONT Ontario

16h 37m1 stop Dallas/Fort Worth

7:00 am - 7:10 amONT Ontario-DUB Dublin

16h 10m1 stop Dallas/Fort Worth

$712Iberia

Fri, Nov 6 - Fri, Nov 13

12:55 pm - 11:46 pmDUB Dublin-ONT Ontario

18h 51m1 stop Dallas/Fort Worth

11:59 pm - 7:10 amONT Ontario-DUB Dublin

23h 11m1 stop Dallas/Fort Worth

$713American Airlines

Thu, Nov 5 - Mon, Nov 9

10:40 am - 6:50 pmDUB Dublin-ONT Ontario

16h 10m1 stop Chicago O'Hare Intl

7:00 am - 8:10 amONT Ontario-DUB Dublin

17h 10m1 stop Chicago O'Hare Intl

$714United Airlines

Thu, Jan 21 - Mon, Jan 25

12:55 pm - 11:46 pmDUB Dublin-ONT Ontario

18h 51m1 stop Dallas/Fort Worth

6:00 am - 7:10 amONT Ontario-DUB Dublin

17h 10m1 stop Dallas/Fort Worth

$715Iberia

Wed, Nov 18 - Sun, Nov 29

7:05 pm - 7:30 pmDUB Dublin-ONT Ontario

32h 25m2 stops Kastrup Copenhagen San Francisco

12:01 pm - 6:20 pmONT Ontario-DUB Dublin

22h 19m2 stops San Francisco Kastrup Copenhagen

$723Multiple Airlines

Wed, Nov 4 - Fri, Nov 13

9:40 am - 8:54 pmDUB Dublin-ONT Ontario

19h 14m1 stop Atlanta Hartsfield-Jackson

7:05 am - 7:45 amONT Ontario-DUB Dublin

16h 40m1 stop Atlanta Hartsfield-Jackson

$724KLM

Wed, Nov 25 - Wed, Dec 2

Cheap last minute flights

Enter your travel dates to find the best prices.

12:40 pm - 6:44 pmDUB Dublin-ONT Ontario

14h 04m1 stop Dallas/Fort Worth

12:43 pm - 9:45 amONT Ontario-DUB Dublin

13h 02m1 stop Dallas/Fort Worth

$1,001American Airlines

Thu, Oct 15 - Wed, Oct 21

12:40 pm - 6:44 pmDUB Dublin-ONT Ontario

14h 04m1 stop Dallas/Fort Worth

12:43 pm - 9:45 amONT Ontario-DUB Dublin

13h 02m1 stop Dallas/Fort Worth

$1,004American Airlines

Thu, Oct 15 - Wed, Oct 21

12:40 pm - 9:11 pmDUB Dublin-ONT Ontario

16h 31m1 stop Dallas/Fort Worth

12:43 pm - 9:45 amONT Ontario-DUB Dublin

13h 02m1 stop Dallas/Fort Worth

$1,023Iberia

Sat, Oct 10 - Fri, Oct 23

9:50 am - 5:46 pmDUB Dublin-ONT Ontario

15h 56m2 stops Vancouver Intl San Francisco

8:03 am - 8:15 amONT Ontario-DUB Dublin

16h 12m2 stops San Francisco Toronto Pearson Intl

$1,043Multiple Airlines

Sat, Oct 10 - Wed, Oct 14

12:40 pm - 6:59 pmDUB Dublin-ONT Ontario

14h 19m1 stop Dallas/Fort Worth

12:43 pm - 9:45 amONT Ontario-DUB Dublin

13h 02m1 stop Dallas/Fort Worth

$1,045American Airlines

Sat, Oct 10 - Wed, Oct 14

12:40 pm - 6:59 pmDUB Dublin-ONT Ontario

14h 19m1 stop Dallas/Fort Worth

12:43 pm - 9:45 amONT Ontario-DUB Dublin

13h 02m1 stop Dallas/Fort Worth

$1,168American Airlines

Sat, Oct 10 - Fri, Oct 16

12:40 pm - 9:11 pmDUB Dublin-ONT Ontario

16h 31m1 stop Dallas/Fort Worth

10:25 am - 9:45 amONT Ontario-DUB Dublin

15h 20m1 stop Dallas/Fort Worth

$1,297Iberia

Sun, Oct 11 - Sun, Oct 18

12:40 pm - 6:59 pmDUB Dublin-ONT Ontario

14h 19m1 stop Dallas/Fort Worth

10:25 am - 8:10 amONT Ontario-DUB Dublin

13h 45m1 stop Dallas/Fort Worth

$1,320American Airlines

Sat, Oct 10 - Sat, Oct 24

12:40 pm - 9:11 pmDUB Dublin-ONT Ontario

16h 31m1 stop Dallas/Fort Worth

12:43 pm - 9:45 amONT Ontario-DUB Dublin

13h 02m1 stop Dallas/Fort Worth

$1,342Iberia

Mon, Oct 12 - Fri, Oct 16

10:45 am - 10:10 pmDUB Dublin-ONT Ontario

43h 25m2 stops Istanbul New York John F Kennedy Intl

11:05 pm - 9:35 amONT Ontario-DUB Dublin

50h 30m2 stops New York John F Kennedy Intl Istanbul

$1,379Turkish Airlines

Sat, Oct 10 - Fri, Oct 16

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Delta flights from Dublin to Ontario

Our best Delta deals on Dublin to Ontario flight tickets

Delta

Nov 5

DUB5:45 amDublin

18h 38m

2 stops

ONT4:23 pmOntario

Nov 9

ONT7:05 amOntario

16h 40m

1 stop

DUB7:45 amDublin

$705

Delta

Nov 2

DUB9:40 amDublin

20h 32m

2 stops

ONT10:12 pmOntario

Nov 12

ONT12:18 pmOntario

18h 12m

2 stops

DUB2:30 pmDublin

$732

Delta

Nov 2

DUB9:40 amDublin

20h 32m

2 stops

ONT10:12 pmOntario

Nov 13

ONT7:05 amOntario

16h 40m

1 stop

DUB7:45 amDublin

$735

KLM flights from Dublin to Ontario

Our best KLM deals on Dublin to Ontario flight tickets

KLM

Nov 25

DUB9:40 amDublin

19h 14m

1 stop

ONT8:54 pmOntario

Dec 2

ONT7:05 amOntario

16h 40m

1 stop

DUB7:45 amDublin

$724

KLM

Nov 11

DUB9:40 amDublin

19h 14m

1 stop

ONT8:54 pmOntario

Mar 10

ONT7:00 amOntario

16h 45m

1 stop

DUB7:45 amDublin

$726

KLM

Nov 2

DUB9:55 amDublin

17h 35m

1 stop

ONT7:30 pmOntario

Nov 15

ONT7:05 amOntario

16h 40m

1 stop

DUB7:45 amDublin

$748

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 11/5

5:45 am-4:23 pm

2 stops18h 38m

Ontario

Mon 11/9

7:05 am-7:45 am

1 stop16h 40m

$705

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 1/21

9:00 am-8:25 pm

2 stops19h 25m

Ontario

Mon 1/25

7:00 am-8:10 am

1 stop17h 10m

$708

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Tue 11/10

12:55 pm-10:57 pm

1 stop18h 02m

Ontario

Tue 11/17

7:00 am-7:10 am

1 stop16h 10m

$710

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 1/21

10:40 am-6:50 pm

1 stop16h 10m

Ontario

Mon 1/25

7:00 am-8:10 am

1 stop17h 10m

$711

Quickest round-trip

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Fri 11/6

12:55 pm-9:32 pm

1 stop16h 37m

Ontario

Fri 11/13

7:00 am-7:10 am

1 stop16h 10m

$712

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 11/5

12:55 pm-11:46 pm

1 stop18h 51m

Ontario

Mon 11/9

11:59 pm-7:10 am

1 stop23h 11m

$713

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Thu 1/21

10:40 am-6:50 pm

1 stop16h 10m

Ontario

Mon 1/25

7:00 am-8:10 am

1 stop17h 10m

$714

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Wed 11/18

12:55 pm-11:46 pm

1 stop18h 51m

Ontario

Sun 11/29

6:00 am-7:10 am

1 stop17h 10m

$715

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Wed 11/4

7:05 pm-7:30 pm

2 stops32h 25m

Ontario

Fri 11/13

12:01 pm-6:20 pm

2 stops22h 19m

$723

DublinOntario

DUB Dublin - ONT Ontario

DUBONT

Dublin

Wed 11/25

9:40 am-8:54 pm

1 stop19h 14m

Ontario

Wed 12/2

7:05 am-7:45 am

1 stop16h 40m

$724

Flights are sorted by cheapest round-trip 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?

American Airlines and British Airways are the most popular carriers operating from Dublin to Ontario

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 round-trip 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	$424
Fastest flight time	14h 36m
Direct flights	None

The best one-way flight to Ontario from Dublin in the past 72 hours is $424. The best round-trip flight deal from Dublin to Ontario found on momondo in the last 72 hours is $705.

The fastest flight from Dublin to Ontario takes 14h 36m

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?
Ontario is 5136.8 mi away from Dublin. By plane, this route typically takes 14h 36m.
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 necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dublin to Ontario for you.

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

Yes. momondo allows you to filter the results for Dublin to Ontario flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Dublin and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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.

An easier way to manage your Ontario trip

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Cheap flights from Dublin to Los Angeles from $424

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Los Angeles departing on 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Dublin to Ontario

Our best Delta deals on Dublin to Ontario flight tickets

KLM flights from Dublin to Ontario

Our best KLM deals on Dublin to Ontario flight tickets

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How to get the cheapest flight ticket from Dublin to Ontario

What is the cheapest airline that flies from Dublin to Ontario?

When to book flights from Dublin to Ontario

Cheap Dublin to Ontario (DUB to ONT) flight deals and tips

Best Price Found

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Direct flights

Frequently asked questions about flying from Dublin to Ontario

Why use momondo?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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