Which airports can I use when flying from Dublin to Ontario?

Flights from Dublin to Ontario usually depart from Dublin (DUB) and arrive at Ontario (ONT).

Which airports do connecting flights from Dublin to Ontario pass through?

Most connecting flights from Dublin to Ontario pass through Chicago O'Hare Intl (ORD), which handles 100% of one-stop traffic on this route.

Can I save money by using flexible dates for flights from Dublin to Ontario?

Yes. Flexible dates can save you up to 33% on flights from Dublin to Ontario. Tuesday is the cheapest departure day at $620 round-trip on average, while Saturday is the most expensive at $914, a difference of $294. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Ontario?

Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

How long is a flight from Dublin to Ontario?

A nonstop flight from Dublin to Ontario takes 00m, covering 5,132 miles.

Do I need a passport to fly from Dublin to Ontario?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How are flight prices from Dublin to Ontario looking right now?

One-way fares from Dublin to Ontario are currently lower than usual. Average one-way flight prices are about $534, which is 34% below the typical average for this route.

What is the time difference between Dublin and Ontario?

Ontario is 7 hours behind Dublin (Pacific Time vs Irish Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Ontario Airport (ONT)?

Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates averaging $60 for economy cars. Top options include: • Fox • Thrifty • Europcar • Dollar • Alamo

How much is a round-trip flight from Dublin to Ontario?

Round-trip flights from Dublin to Ontario typically range from $620 to $914. The lowest price found in the past 5 days was $720, on United Airlines.

Which airline is the cheapest to fly from Dublin to Ontario?

United Airlines ($720) and Delta ($730) are the cheapest airlines to fly round-trip from Dublin to Ontario according to KAYAK data over the last 5 days.

What is the cheapest layover airport when flying from Dublin to Ontario?

Flights via Chicago O'Hare Intl (ORD) offer the most affordable fares, with an average round-trip price of $781. Based on KAYAK data over the past 3 months.

When flying from Dublin to Ontario which airport offers the shortest layover?

Chicago O'Hare Intl (ORD) had the shortest average connection time for Dublin to Ontario layovers at 12h 52m over the past 3 months.

$495 CHEAP FLIGHTS from Dublin to Ontario (DUB - ONT)

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Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$720

Typical prices: $620-$914

United Airlines

Sun 1/21Thu 1/25

DUB - ONT • 2 stops

Cheapest one-way

$495

Typical prices: $767-$801

Delta

Mon 4/16

DUB - ONT • 2 stops

Nonstop flights

Not available

There are currently no direct flights between Dublin and Ontario. You'll need to take a connecting flight to reach the destination.

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Flight Deals

Cheap Flights from Dublin to Ontario (DUB-ONT)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Dublin to Ontario

Thu, Jan 21 - Mon, Jan 25

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

20h 00m2 stops Toronto Pearson Intl Denver Intl

6:00 am - 7:30 amONT Ontario-DUB Dublin

17h 30m2 stops Houston George Bush Intcntl Newark

$720United Airlines

Thu, Jan 21 - Mon, Jan 25

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

$723United Airlines

Fri, Nov 13 - Tue, Nov 17

5:45 am - 6:34 pmDUB Dublin-ONT Ontario

20h 49m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

7:05 am - 2:30 pmONT Ontario-DUB Dublin

23h 25m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

$730Delta

Fri, Nov 13 - Tue, Nov 17

8:50 am - 9:57 pmDUB Dublin-ONT Ontario

21h 07m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

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

16h 40m1 stop Atlanta Hartsfield-Jackson

$732Delta

Fri, Nov 13 - Tue, Nov 17

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

18h 51m1 stop Dallas/Fort Worth

7:00 am - 9:20 amONT Ontario-DUB Dublin

18h 20m2 stops Dallas/Fort Worth Madrid Barajas

$737Iberia

Thu, Jan 21 - Mon, Jan 25

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

20h 00m2 stops Toronto Pearson Intl Denver Intl

6:37 pm - 7:30 amONT Ontario-DUB Dublin

28h 53m2 stops San Francisco Newark

$738United Airlines

Thu, Jan 21 - Mon, Jan 25

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

$739United Airlines

Fri, Nov 13 - Tue, Nov 17

11:30 am - 9:32 pmDUB Dublin-ONT Ontario

18h 02m2 stops Philadelphia Dallas/Fort Worth

7:00 am - 8:40 amONT Ontario-DUB Dublin

17h 40m2 stops Dallas/Fort Worth Philadelphia

$740American Airlines

Fri, Dec 4 - Sun, Dec 13

12:05 pm - 9:11 pmDUB Dublin-ONT Ontario

17h 06m2 stops Washington, D.C. Dulles Intl Denver Intl

5:45 am - 9:55 amONT Ontario-DUB Dublin

20h 10m2 stops Houston George Bush Intcntl Newark

$741United Airlines

Thu, Jan 21 - Mon, Jan 25

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

$742United Airlines

Recent last minute flight deals from Dublin to Ontario

Thu, Nov 5 - Sat, Nov 21

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

$735Iberia

Thu, Nov 5 - Sat, Nov 21

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

18h 51m1 stop Dallas/Fort Worth

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

16h 10m1 stop Dallas/Fort Worth

$739Iberia

Thu, Nov 5 - Sat, Nov 21

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

$740Iberia

Thu, Nov 5 - Sat, Nov 21

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

$741Iberia

Thu, Nov 5 - Sat, Nov 21

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

18h 51m1 stop Dallas/Fort Worth

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

16h 10m1 stop Dallas/Fort Worth

$744Iberia

Thu, Nov 5 - Sat, Nov 21

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

$766Iberia

Mon, Nov 2 - Tue, Jan 5

12:05 pm - 10:48 pmDUB Dublin-ONT Ontario

18h 43m2 stops Washington, D.C. Dulles Intl San Francisco

2:00 pm - 7:30 amONT Ontario-DUB Dublin

33h 30m2 stops San Francisco Newark

$773United Airlines

Sun, Nov 1 - Sun, Nov 8

9:40 am - 7:30 pmDUB Dublin-ONT Ontario

17h 50m1 stop Atlanta Hartsfield-Jackson

7:07 am - 7:45 amONT Ontario-DUB Dublin

16h 38m1 stop Atlanta Hartsfield-Jackson

$814Air France

Sat, Oct 31 - Fri, Nov 6

12:55 pm - 9:11 pmDUB Dublin-ONT Ontario

15h 16m1 stop Dallas/Fort Worth

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

16h 10m1 stop Dallas/Fort Worth

$818Iberia

Thu, Nov 5 - Sat, Nov 21

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

16h 37m1 stop Dallas/Fort Worth

10:37 am - 7:10 amONT Ontario-DUB Dublin

12h 33m1 stop Dallas/Fort Worth

$851American Airlines

Booking Insights

Price, demand and travel trends for Dublin to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Dublin to Ontario? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Dublin to Ontario departing in january.

Find deals

Cheapest flight	$495

One-way flight from Dublin to Ontario

When to book flights from Dublin to Ontario

Are your dates flexible? Find out the best times to travel from Dublin to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

How long is a flight from Dublin to Ontario?
A nonstop flight from Dublin to Ontario takes 00m, covering 5,132 miles.
Do I need a passport to fly from Dublin to Ontario?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How are flight prices from Dublin to Ontario looking right now?
One-way fares from Dublin to Ontario are currently lower than usual. Average one-way flight prices are about $534, which is 34% below the typical average for this route.
What car rental options are available at Ontario Airport (ONT)?
Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates averaging $60 for economy cars. Top options include:

• Fox
• Thrifty
• Europcar
• Dollar
• Alamo
Which airports can I use when flying from Dublin to Ontario?
Flights from Dublin to Ontario usually depart from Dublin (DUB) and arrive at Ontario (ONT).
Which airports do connecting flights from Dublin to Ontario pass through?
Most connecting flights from Dublin to Ontario pass through Chicago O'Hare Intl (ORD), which handles 100% of one-stop traffic on this route.
Can I save money by using flexible dates for flights from Dublin to Ontario?
Yes. Flexible dates can save you up to 33% on flights from Dublin to Ontario. Tuesday is the cheapest departure day at $620 round-trip on average, while Saturday is the most expensive at $914, a difference of $294.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between Dublin and Ontario?
Ontario is 7 hours behind Dublin (Pacific Time vs Irish Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Ontario?
Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

If your dates are flexible, aim for a Tuesday departure and avoid flying on Saturday. On this route, Tuesday flights average $620, about $294 less than Saturday fares (32% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

• Ontario Airport Inn
• Holiday Inn Ontario Airport By IHG
• Azure Hotel & Suites, Trademark Collection by Wyndham

More options for your flight from Dublin to Ontario

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Complete your trip to Ontario with a hotel stay or car rental

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DUB - ONT

$495 Find Cheap Flights from Dublin to Ontario - Compare and Save

Everything you should know

Cheap Flights from Dublin to Ontario (DUB-ONT)

Recent round-trip flight deals from Dublin to Ontario

Recent one-way flight deals from Dublin to Ontario

Recent last minute flight deals from Dublin to Ontario

Price, demand and travel trends for Dublin to Ontario flights

How much is a round-trip flight from Dublin to Ontario?

Which airline is the cheapest to fly from Dublin to Ontario?

What is the cheapest layover airport when flying from Dublin to Ontario?

When flying from Dublin to Ontario which airport offers the shortest layover?

Key details for Dublin to Ontario flights

Cheapest flight

When to book flights from Dublin to Ontario

Your Dublin to Ontario flight questions, answered

Your guide to booking Dublin to Ontario flights

More options for your flight from Dublin to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Dublin to Ontario

Find direct flights to and from Dublin and Ontario

Flights from domestic origins to Ontario

Flights to other popular destinations

Find deals for your return flight