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 £468 return on average, while Saturday is the most expensive at £690, a difference of £222. KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Ontario?

Ontario Convention Center is one of the most viewed places in Ontario on KAYAK.

How long is a flight from Dublin to Ontario?

A direct 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 £510, which is 16% below the typical average for this route.

What is the time difference between Dublin and Ontario?

Ontario is 8 hours behind Dublin (Pacific Time vs Irish Time). Plan for the time shift when scheduling connections or first-day activities.

Which car hire options are available at Ontario Airport (ONT)?

Ontario Airport (ONT) hosts 5 major car hire companies, with daily rates averaging £45 for economy cars. Top options include: • Fox • Europcar • Thrifty • Alamo • Dollar

How much is a return flight from Dublin to Ontario?

Return flights from Dublin to Ontario typically range from £467 to £690. The lowest price found in the past 5 days was £557 on Delta.

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

Delta (£557) and United Airlines (£558) are the cheapest airlines to fly return from Dublin to Ontario according to KAYAK data over the last 5 days.

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

Flights via Chicago O'Hare Intl (ORD) offer the most affordable fares, with an average return price of £589. Based on KAYAK data over the past 3 months.

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

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

£380 CHEAP FLIGHTS from Dublin to Ontario (DUB - ONT)

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Cheapest return flight

£557

Typical prices: £467-£690

Delta

Sun 25/11Thu 29/11

DUB - ONT • 2 stops

Cheapest one-way flight

£380

Typical prices: £579-£604

KLM

Wed 18/4

DUB - ONT • 1 stop

Direct 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.

Insights

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We hope you enjoy your trip to Ontario!

Flight Deals

Cheap Flights from Dublin to Ontario (DUB-ONT)

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

Return

One-way

Last minute

Recent return flight deals from Dublin to Ontario

Wed, 25 Nov - Sun, 29 Nov

08:50 - 20:54DUB Dublin-ONT Ontario

20h 04m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

06:00 - 12:40ONT Ontario-DUB Dublin

22h 40m2 stops Salt Lake City Amsterdam Schiphol

£557Delta

Fri, 27 Nov - Tue, 1 Dec

09:30 - 22:48DUB Dublin-ONT Ontario

21h 18m2 stops Newark San Francisco

05:45 - 09:55ONT Ontario-DUB Dublin

20h 10m2 stops Houston George Bush Intcntl Newark

£558United Airlines

Fri, 22 Jan - Fri, 29 Jan

10:40 - 18:50DUB Dublin-ONT Ontario

16h 10m1 stop Chicago O'Hare Intl

07:00 - 08:10ONT Ontario-DUB Dublin

17h 10m1 stop Chicago O'Hare Intl

£559United Airlines

Thu, 26 Nov - Wed, 9 Dec

09:55 - 19:49DUB Dublin-ONT Ontario

17h 54m1 stop Atlanta Hartsfield-Jackson

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

16h 40m1 stop Atlanta Hartsfield-Jackson

£560KLM

Fri, 5 Feb - Sat, 13 Feb

10:40 - 18:50DUB Dublin-ONT Ontario

16h 10m1 stop Chicago O'Hare Intl

06:00 - 07:30ONT Ontario-DUB Dublin

17h 30m2 stops Houston George Bush Intcntl Newark

£562United Airlines

Tue, 24 Nov - Sat, 28 Nov

13:25 - 23:49DUB Dublin-ONT Ontario

42h 24m2 stops Amsterdam Schiphol Salt Lake City

23:06 - 07:45ONT Ontario-DUB Dublin

24h 39m1 stop Atlanta Hartsfield-Jackson

£569Delta

Thu, 14 Jan - Sun, 17 Jan

09:00 - 21:00DUB Dublin-ONT Ontario

20h 00m2 stops Toronto Pearson Intl Denver Intl

07:00 - 08:10ONT Ontario-DUB Dublin

17h 10m1 stop Chicago O'Hare Intl

£575United Airlines

Tue, 24 Nov - Sat, 28 Nov

09:40 - 20:54DUB Dublin-ONT Ontario

19h 14m1 stop Atlanta Hartsfield-Jackson

23:06 - 07:45ONT Ontario-DUB Dublin

24h 39m1 stop Atlanta Hartsfield-Jackson

£576Delta

Thu, 14 Jan - Sun, 17 Jan

09:00 - 21:00DUB Dublin-ONT Ontario

20h 00m2 stops Toronto Pearson Intl Denver Intl

07:00 - 08:10ONT Ontario-DUB Dublin

17h 10m1 stop Chicago O'Hare Intl

£577United Airlines

Thu, 14 Jan - Sun, 17 Jan

10:40 - 18:50DUB Dublin-ONT Ontario

16h 10m1 stop Chicago O'Hare Intl

07:00 - 08:10ONT Ontario-DUB Dublin

17h 10m1 stop Chicago O'Hare Intl

£579United Airlines

Recent last minute flight deals from Dublin to Ontario

Mon, 16 Nov - Wed, 2 Dec

09:55 - 18:34DUB Dublin-ONT Ontario

16h 39m1 stop Atlanta Hartsfield-Jackson

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

16h 40m1 stop Atlanta Hartsfield-Jackson

£560KLM

Thu, 19 Nov - Mon, 23 Nov

09:55 - 18:34DUB Dublin-ONT Ontario

16h 39m1 stop Atlanta Hartsfield-Jackson

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

16h 40m1 stop Atlanta Hartsfield-Jackson

£563KLM

Mon, 16 Nov - Wed, 2 Dec

09:55 - 18:34DUB Dublin-ONT Ontario

16h 39m1 stop Atlanta Hartsfield-Jackson

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

16h 40m1 stop Atlanta Hartsfield-Jackson

£613KLM

Sat, 14 Nov - Sat, 28 Nov

09:55 - 19:49DUB Dublin-ONT Ontario

17h 54m1 stop Atlanta Hartsfield-Jackson

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

16h 40m1 stop Atlanta Hartsfield-Jackson

£613KLM

Mon, 16 Nov - Wed, 2 Dec

09:55 - 18:34DUB Dublin-ONT Ontario

16h 39m1 stop Atlanta Hartsfield-Jackson

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

16h 40m1 stop Atlanta Hartsfield-Jackson

£616KLM

Thu, 19 Nov - Mon, 23 Nov

09:55 - 18:34DUB Dublin-ONT Ontario

16h 39m1 stop Atlanta Hartsfield-Jackson

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

16h 40m1 stop Atlanta Hartsfield-Jackson

£627KLM

Sat, 14 Nov - Sat, 21 Nov

09:55 - 19:49DUB Dublin-ONT Ontario

17h 54m1 stop Atlanta Hartsfield-Jackson

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

16h 40m1 stop Atlanta Hartsfield-Jackson

£678KLM

Sat, 14 Nov - Thu, 19 Nov

12:55 - 22:57DUB Dublin-ONT Ontario

18h 02m1 stop Dallas/Fort Worth

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

16h 10m1 stop Dallas/Fort Worth

£929Iberia

Thu, 19 Nov - Wed, 2 Dec

11:30 - 23:06DUB Dublin-ONT Ontario

19h 36m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

10:05 - 10:15ONT Ontario-DUB Dublin

16h 10m2 stops Denver Intl Reykjavik Keflavik Intl

£977Multiple Airlines

Mon, 16 Nov - Wed, 2 Dec

11:30 - 21:45DUB Dublin-ONT Ontario

18h 15m2 stops Reykjavik Keflavik Intl Denver Intl

10:05 - 10:15ONT Ontario-DUB Dublin

16h 10m2 stops Denver Intl Reykjavik Keflavik Intl

£1,136Multiple 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

Stopovers

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

Find deals

Cheapest flight	£380

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 return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns 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 direct 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 £510, which is 16% below the typical average for this route.
Which car hire options are available at Ontario Airport (ONT)?
Ontario Airport (ONT) hosts 5 major car hire companies, with daily rates averaging £45 for economy cars. Top options include:

• Fox
• Europcar
• Thrifty
• Alamo
• Dollar
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 £468 return on average, while Saturday is the most expensive at £690, a difference of £222.

KAYAK's flexible dates feature shows options up to three 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 8 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?
Ontario Convention Center is one of 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 £468, about £222 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.

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

More options for your flight from Dublin to Ontario

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DUB - ONT

£380 Find Cheap Flights from Dublin to Ontario – Compare and Save

Everything you should know

Cheap Flights from Dublin to Ontario (DUB-ONT)

Recent return 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 return flight from Dublin to Ontario?

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

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

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

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 hire

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 to other popular destinations