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 €555 return on average, while Saturday is the most expensive at €819, a difference of €263. KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

How long is a flight from Dublin to Ontario?

A direct flight from Dublin to Ontario takes 00m, covering 13,293 km.

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.

Have flight prices from Dublin to Ontario changed much recently?

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about €654 to €6,376. That means the highest observed fare was about 10x higher than the lowest one.

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 €455, which is 37% 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 starting from around €54 for economy cars. Top options include: • Fox • Thrifty • Europcar • Dollar • Alamo

How much is a return flight from Dublin to Ontario?

Return flights from Dublin to Ontario typically range from €555 to €819. The lowest price found in the past 5 days was €654 on Delta.

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

Delta (€654) and Iberia (€660) 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 €700. 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.

€397 CHEAP FLIGHTS from Dublin to Ontario (DUB - ONT)

Save 35% or more on flights. Compare deals from all over the web.

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

Cheapest return flight

€654

Typical prices: €555-€819

Delta

Tue 13/11Sat 17/11

DUB - ONT • 2 stops

Cheapest one-way flight

€397

Typical prices: €687-€717

Delta

Tue 16/1

DUB - ONT • 2 stops

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

Fri, 13 Nov - Tue, 17 Nov

05:45 - 18:34DUB Dublin-ONT Ontario

20h 49m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

07:05 - 14:30ONT Ontario-DUB Dublin

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

€654Delta

3+ days ago

Tue, 1 Dec - Tue, 8 Dec

17:15 - 16:22DUB Dublin-ONT Ontario

31h 07m2 stops Amsterdam Schiphol Salt Lake City

11:57 - 14:30ONT Ontario-DUB Dublin

18h 33m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

€655Multiple Airlines

1 day ago

Fri, 13 Nov - Tue, 17 Nov

08:50 - 21:57DUB Dublin-ONT Ontario

21h 07m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

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

16h 40m1 stop Atlanta Hartsfield-Jackson

€656Delta

3+ days ago

Tue, 17 Nov - Sat, 21 Nov

05:45 - 17:16DUB Dublin-ONT Ontario

19h 31m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

17:04 - 07:55ONT Ontario-DUB Dublin

30h 51m2 stops Salt Lake City Minneapolis St Paul

€658Delta

3 hours ago

Tue, 17 Nov - Sat, 21 Nov

05:45 - 17:16DUB Dublin-ONT Ontario

19h 31m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

17:04 - 07:55ONT Ontario-DUB Dublin

30h 51m2 stops Salt Lake City Minneapolis St Paul

€659Delta

1 day ago

Fri, 13 Nov - Tue, 17 Nov

12:55 - 23:46DUB Dublin-ONT Ontario

18h 51m1 stop Dallas/Fort Worth

07:00 - 09:20ONT Ontario-DUB Dublin

18h 20m2 stops Dallas/Fort Worth Madrid Barajas

€660Iberia

3+ days ago

Thu, 21 Jan - Mon, 25 Jan

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

20h 00m2 stops Toronto Pearson Intl Denver Intl

18:37 - 07:30ONT Ontario-DUB Dublin

28h 53m2 stops San Francisco Newark

€661United Airlines

3+ days ago

Thu, 21 Jan - Mon, 25 Jan

09:00 - 20:25DUB Dublin-ONT Ontario

19h 25m2 stops Toronto Pearson Intl San Francisco

18:37 - 07:30ONT Ontario-DUB Dublin

28h 53m3 stops San Francisco Boston Logan Intl Newark

€662United Airlines

3+ days ago

Thu, 21 Jan - Mon, 25 Jan

09:00 - 20:25DUB Dublin-ONT Ontario

19h 25m2 stops Toronto Pearson Intl San Francisco

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

17h 10m1 stop Chicago O'Hare Intl

€663United Airlines

12 hours ago

Thu, 21 Jan - Mon, 25 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

€664United Airlines

3+ days ago

Recent last minute flight deals from Dublin to Ontario

Sat, 7 Nov - Mon, 23 Nov

19:05 - 19:30DUB Dublin-ONT Ontario

32h 25m2 stops Kastrup Copenhagen San Francisco

10:55 - 18:20ONT Ontario-DUB Dublin

23h 25m3 stops Las Vegas Harry Reid Intl San Francisco Kastrup Copenhagen

€641Multiple Airlines

3+ days ago

Thu, 5 Nov - Sat, 21 Nov

12:55 - 21:32DUB Dublin-ONT Ontario

16h 37m1 stop Dallas/Fort Worth

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

16h 10m1 stop Dallas/Fort Worth

€663Iberia

3+ days ago

Fri, 6 Nov - Sun, 22 Nov

12:55 - 21:32DUB Dublin-ONT Ontario

16h 37m1 stop Dallas/Fort Worth

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

16h 10m1 stop Dallas/Fort Worth

€664Iberia

3+ days ago

Fri, 6 Nov - Sat, 21 Nov

12:55 - 21:32DUB Dublin-ONT Ontario

16h 37m1 stop Dallas/Fort Worth

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

16h 10m1 stop Dallas/Fort Worth

€665Iberia

3+ days ago

Sat, 7 Nov - Sat, 21 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

€666Iberia

2 days ago

Fri, 6 Nov - Sat, 21 Nov

12:55 - 21:32DUB Dublin-ONT Ontario

16h 37m1 stop Dallas/Fort Worth

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

16h 10m1 stop Dallas/Fort Worth

€685Iberia

2 days ago

Fri, 6 Nov - Sun, 22 Nov

12:55 - 21:32DUB Dublin-ONT Ontario

16h 37m1 stop Dallas/Fort Worth

10:37 - 07:10ONT Ontario-DUB Dublin

12h 33m1 stop Dallas/Fort Worth

€685American Airlines

3+ days ago

Sun, 8 Nov - Sun, 15 Nov

09:00 - 20:51DUB Dublin-ONT Ontario

19h 51m2 stops Toronto Pearson Intl Denver Intl

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

17h 10m2 stops San Francisco Toronto Pearson Intl

€690Multiple Airlines

1 day ago

Fri, 6 Nov - Sun, 22 Nov

12:55 - 21:32DUB Dublin-ONT Ontario

16h 37m1 stop Dallas/Fort Worth

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

16h 10m1 stop Dallas/Fort Worth

€704Iberia

16 hours ago

Sat, 7 Nov - Sat, 21 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

€705Iberia

1 day ago

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	€397

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 13,293 km.
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.
Have flight prices from Dublin to Ontario changed much recently?
Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about €654 to €6,376. That means the highest observed fare was about 10x higher than the lowest one.
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 €455, which is 37% 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 starting from around €54 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 €555 return on average, while Saturday is the most expensive at €819, a difference of €263.

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.

If your dates are flexible, aim for a Tuesday departure and avoid flying on Saturday. On this route, Tuesday flights average €555, about €263 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
• Azure Hotel & Suites, Trademark Collection by Wyndham
• Holiday Inn Ontario Airport By IHG

More options for your flight from Dublin to Ontario

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Car hire in Ontario

DUB - ONT

€397 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

Flights from domestic origins to Ontario

Flights to other popular destinations

Find deals for your return flight