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

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

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

One-stop flights from Ontario to Dublin most commonly connect through: • Dallas/Fort Worth (DFW) – 54% of one-stop connections • Atlanta Hartsfield-Jackson (ATL) – 14% of one-stop connections • New York John F Kennedy Intl (JFK) – 14% of one-stop connections • Chicago O'Hare Intl (ORD) – 14% of one-stop connections

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

Yes. Flexible dates can save you up to 54% on flights from Ontario to Dublin. Tuesday is the cheapest departure day at €503 return on average, while Monday is the most expensive at €1,076, a difference of €573. 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 Dublin?

Some of the most popular sights in Dublin are Bord Gáis Energy Theatre, 3Olympia Theatre, and St. Stephen's Green. These are among the most viewed places in Dublin on KAYAK.

How long is a flight from Ontario to Dublin?

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

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

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 Ontario to Dublin looking right now?

One-way fares from Ontario to Dublin are currently lower than usual. Average one-way flight prices are about €306, which is 50% below the typical average for this route.

How much time can I save by choosing a different stopover airport from Ontario to Dublin?

Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time of 14h 12m, compared to 15h 03m via Atlanta Hartsfield-Jackson (ATL) and 16h 03m via San Francisco (SFO).

What is the time difference between Ontario and Dublin?

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

Which car hire options are available at Dublin Airport (DUB)?

Dublin Airport (DUB) hosts 5 major car hire companies, with daily rates starting from around €3 for economy cars. Top options include: • Budget • Sixt • Easirent • Europcar • Thrifty

How much should I expect to pay for a Ontario to Dublin flight?

Return flights from Ontario to Dublin range from €744 to €1,075, with an average of €979 over the past 12 months. Anything below €744 counts as a good deal.

What's the cheapest day of the week to fly from Ontario to Dublin?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Ontario to Dublin. It’s 49% cheaper than the average day, while Monday is the most expensive, with prices 9% higher.

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

Air Canada (€607) offered the cheapest return ticket from Ontario to Dublin in the last 5 days.

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

Dallas/Fort Worth (DFW) is the most popular stopover for the Ontario to Dublin route. 54% of KAYAK users who booked 1-stop return journeys over the past 3 months connected via DFW.

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

Flights via Chicago O'Hare Intl (ORD) offer the most affordable fares, with an average return price of €1,012. Based on KAYAK data over the past 3 months.

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

Dallas/Fort Worth (DFW) had the shortest average connection time for Ontario to Dublin stopovers at 7h 53m over the past 3 months.

€285 CHEAP FLIGHTS from Ontario to Dublin (ONT - DUB)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

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

Cheapest return flight

€591

Typical prices: €744-€1,075

Multiple Airlines

Mon 12/11Thu 22/11

ONT - DUB • 2 stops

Cheapest one-way flight

€285

Typical prices: €557-€782

British Airways

Fri 26/1

ONT - DUB • 2 stops

Direct flights

Not available

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

Insights

When to travel

September

Cheapest • 33% price drop

August

Most popular

Good to know

Top stopover airports

Chicago O'Hare Intl (ORD)

Cheapest • Avg €1,012 (return)

Dallas/Fort Worth (DFW)

Shortest trip • 14h 12m (one-way)

Insights

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you enjoy your trip to Dublin!

Flight Deals

Cheap Flights from Ontario to Dublin (ONT-DUB)

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

Return

One-way

Last minute

Recent return flight deals from Ontario to Dublin

Thu, 12 Nov - Sun, 22 Nov

06:30 - 10:15ONT Ontario-DUB Dublin

19h 45m2 stops Denver Intl Reykjavik Keflavik Intl

11:30 - 00:14DUB Dublin-ONT Ontario

20h 44m2 stops Reykjavik Keflavik Intl Denver Intl

€591Multiple Airlines

3+ days ago

Wed, 11 Nov - Mon, 16 Nov

17:07 - 10:15ONT Ontario-DUB Dublin

33h 08m3 stops Las Vegas Harry Reid Intl Denver Intl Reykjavik Keflavik Intl

11:30 - 23:51DUB Dublin-ONT Ontario

20h 21m2 stops Reykjavik Keflavik Intl Denver Intl

€601Multiple Airlines

1 day ago

Wed, 11 Nov - Mon, 16 Nov

17:07 - 10:15ONT Ontario-DUB Dublin

33h 08m3 stops Las Vegas Harry Reid Intl Denver Intl Reykjavik Keflavik Intl

11:30 - 09:40DUB Dublin-ONT Ontario

30h 10m3 stops Reykjavik Keflavik Intl Denver Intl Las Vegas Harry Reid Intl

€606Multiple Airlines

1 day ago

Mon, 29 Mar - Fri, 2 Apr

13:33 - 07:45ONT Ontario-DUB Dublin

34h 12m2 stops San Francisco Vancouver Intl

09:20 - 23:06DUB Dublin-ONT Ontario

45h 46m2 stops Vancouver Intl San Francisco

€607Air Canada

1 day ago

Sun, 28 Mar - Fri, 2 Apr

18:53 - 07:45ONT Ontario-DUB Dublin

52h 52m2 stops San Francisco Vancouver Intl

09:20 - 23:06DUB Dublin-ONT Ontario

45h 46m2 stops Vancouver Intl San Francisco

€613Air Canada

1 day ago

Mon, 9 Nov - Wed, 25 Nov

06:30 - 10:15ONT Ontario-DUB Dublin

19h 45m2 stops Denver Intl Reykjavik Keflavik Intl

11:30 - 00:14DUB Dublin-ONT Ontario

20h 44m2 stops Reykjavik Keflavik Intl Denver Intl

€614Multiple Airlines

3+ days ago

Mon, 9 Nov - Tue, 24 Nov

06:30 - 10:15ONT Ontario-DUB Dublin

19h 45m2 stops Denver Intl Reykjavik Keflavik Intl

11:30 - 14:51DUB Dublin-ONT Ontario

35h 21m3 stops Reykjavik Keflavik Intl Denver Intl Las Vegas Harry Reid Intl

€615Multiple Airlines

3+ days ago

Mon, 9 Nov - Wed, 25 Nov

06:30 - 10:15ONT Ontario-DUB Dublin

19h 45m2 stops Denver Intl Reykjavik Keflavik Intl

11:30 - 00:14DUB Dublin-ONT Ontario

20h 44m2 stops Reykjavik Keflavik Intl Denver Intl

€617Multiple Airlines

3+ days ago

Mon, 9 Nov - Wed, 25 Nov

06:30 - 10:15ONT Ontario-DUB Dublin

19h 45m2 stops Denver Intl Reykjavik Keflavik Intl

11:30 - 12:48DUB Dublin-ONT Ontario

33h 18m3 stops Reykjavik Keflavik Intl Denver Intl Las Vegas Harry Reid Intl

€619Multiple Airlines

3+ days ago

Mon, 9 Nov - Wed, 25 Nov

06:30 - 10:15ONT Ontario-DUB Dublin

19h 45m2 stops Denver Intl Reykjavik Keflavik Intl

11:30 - 00:14DUB Dublin-ONT Ontario

20h 44m2 stops Reykjavik Keflavik Intl Denver Intl

€620Multiple Airlines

3+ days ago

Recent last minute flight deals from Ontario to Dublin

Fri, 16 Oct - Thu, 29 Oct

12:43 - 09:45ONT Ontario-DUB Dublin

13h 02m1 stop Dallas/Fort Worth

12:55 - 21:11DUB Dublin-ONT Ontario

15h 16m1 stop Dallas/Fort Worth

€902Iberia

3+ days ago

Sun, 11 Oct - Sun, 18 Oct

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

16h 20m2 stops San Francisco Chicago O'Hare Intl

11:35 - 22:49DUB Dublin-ONT Ontario

19h 14m1 stop Chicago O'Hare Intl

€919United Airlines

2 days ago

Mon, 12 Oct - Fri, 16 Oct

06:02 - 12:15ONT Ontario-DUB Dublin

22h 13m1 stop Seattle/Tacoma Intl

15:25 - 23:42DUB Dublin-ONT Ontario

16h 17m1 stop Seattle/Tacoma Intl

€928Multiple Airlines

2 days ago

Fri, 16 Oct - Thu, 29 Oct

11:13 - 13:15ONT Ontario-DUB Dublin

18h 02m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

11:30 - 23:42DUB Dublin-ONT Ontario

19h 12m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

€986Multiple Airlines

3+ days ago

Sun, 11 Oct - Fri, 16 Oct

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

17h 38m1 stop Atlanta Hartsfield-Jackson

11:00 - 18:21DUB Dublin-ONT Ontario

15h 21m1 stop Atlanta Hartsfield-Jackson

€1,014Delta

1 day ago

Mon, 12 Oct - Mon, 19 Oct

06:02 - 12:15ONT Ontario-DUB Dublin

22h 13m1 stop Seattle/Tacoma Intl

15:25 - 23:45DUB Dublin-ONT Ontario

16h 20m1 stop Seattle/Tacoma Intl

€1,077Multiple Airlines

2 days ago

Sun, 11 Oct - Tue, 20 Oct

12:43 - 09:45ONT Ontario-DUB Dublin

13h 02m1 stop Dallas/Fort Worth

11:45 - 19:54DUB Dublin-ONT Ontario

16h 09m1 stop Charlotte Douglas

€1,088Multiple Airlines

2 days ago

Thu, 15 Oct - Fri, 16 Oct

14:13 - 12:15ONT Ontario-DUB Dublin

14h 02m1 stop Seattle/Tacoma Intl

15:25 - 23:42DUB Dublin-ONT Ontario

16h 17m1 stop Seattle/Tacoma Intl

€1,156Multiple Airlines

1 day ago

Sun, 11 Oct - Sat, 17 Oct

23:05 - 09:00ONT Ontario-DUB Dublin

25h 55m1 stop New York John F Kennedy Intl

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

18h 15m1 stop New York John F Kennedy Intl

€1,204JetBlue

2 days ago

Sun, 11 Oct - Sun, 18 Oct

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

15h 20m1 stop Dallas/Fort Worth

12:40 - 21:11DUB Dublin-ONT Ontario

16h 31m1 stop Dallas/Fort Worth

€1,217Iberia

2 days ago

Booking Insights

Price, demand, and travel trends for Ontario to Dublin flights

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

Prices

Airlines

Stopovers

What's the cheapest day of the week to fly from Ontario to Dublin?: Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Ontario to Dublin. It’s 49% cheaper than the average day, while Monday is the most expensive, with prices 9% higher.

Find deals

Low season	January
High season	August
Cheapest flight	€285

One-way flight from Ontario to Dublin

When to book flights from Ontario to Dublin

Are your dates flexible? Find out the best times to travel from Ontario to Dublin 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 Ontario to Dublin?
A direct flight from Ontario to Dublin takes 00m, covering 13,293 km.
Do I need a passport to fly from Ontario to Dublin?
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 much should I expect to pay for a Ontario to Dublin flight?
Return flights from Ontario to Dublin range from €744 to €1,075, with an average of €979 over the past 12 months. Anything below €744 counts as a good deal.
How are flight prices from Ontario to Dublin looking right now?
One-way fares from Ontario to Dublin are currently lower than usual. Average one-way flight prices are about €306, which is 50% below the typical average for this route.
Which car hire options are available at Dublin Airport (DUB)?
Dublin Airport (DUB) hosts 5 major car hire companies, with daily rates starting from around €3 for economy cars. Top options include:

• Budget
• Sixt
• Easirent
• Europcar
• Thrifty
Which airports can I use when flying from Ontario to Dublin?
Flights from Ontario to Dublin usually depart from Ontario (ONT) and arrive at Dublin (DUB).
Which airports do connecting flights from Ontario to Dublin pass through?
One-stop flights from Ontario to Dublin most commonly connect through:

• Dallas/Fort Worth (DFW) – 54% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) – 14% of one-stop connections
• New York John F Kennedy Intl (JFK) – 14% of one-stop connections
• Chicago O'Hare Intl (ORD) – 14% of one-stop connections
Can I save money by using flexible dates for flights from Ontario to Dublin?
Yes. Flexible dates can save you up to 54% on flights from Ontario to Dublin. Tuesday is the cheapest departure day at €503 return on average, while Monday is the most expensive at €1,076, a difference of €573.

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 much time can I save by choosing a different stopover airport from Ontario to Dublin?
Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time of 14h 12m, compared to 15h 03m via Atlanta Hartsfield-Jackson (ATL) and 16h 03m via San Francisco (SFO).
What is the time difference between Ontario and Dublin?
Dublin is 8 hours ahead of Ontario (Irish Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Dublin?
Some of the most popular sights in Dublin are Bord Gáis Energy Theatre, 3Olympia Theatre, and St. Stephen's Green. These are among the most viewed places in Dublin on KAYAK.

If your dates are flexible, aim for a Tuesday departure and avoid flying on Monday. On this route, Tuesday flights average €503, about €573 less than Monday fares (53% savings) based on the last 12 months.
If you can choose when to travel, plan your Ontario to Dublin trip for September. Fares historically average €656 return in that month – typically €538 less than the most expensive month, which is August (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Dublin Airport.

• Clayton Hotel Dublin Airport
• Maldron Hotel Dublin Airport
• Metro Hotel Dublin Airport

More options for your flight from Ontario to Dublin

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Return flight

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Car hire in Dublin

Hotels in Dublin

Holidays in Dublin

ONT - DUB

€285 Find Cheap Flights from Ontario to Dublin – Compare and Save

Everything you should know

Cheap Flights from Ontario to Dublin (ONT-DUB)

Recent return flight deals from Ontario to Dublin

Recent one-way flight deals from Ontario to Dublin

Recent last minute flight deals from Ontario to Dublin

Price, demand, and travel trends for Ontario to Dublin flights

What's the cheapest day of the week to fly from Ontario to Dublin?

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

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

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

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

Key details for Ontario to Dublin flights

Low season

High season

Cheapest flight

When to book flights from Ontario to Dublin

Your Ontario to Dublin flight questions, answered

Your guide to booking Ontario to Dublin flights

More options for your flight from Ontario to Dublin

Complete your trip to Dublin with a hotel stay or car hire

Information on your arrival and departure airports

Cabin class types available on flights from Ontario to Dublin

Flights from domestic origins to Dublin

Flights to other popular destinations

Find deals for your return flight