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Flights from Ontario to Dublin
There are no direct flights from Ontario to Dublin. The fastest way is one stop via Atlanta or Dallas, about 12h 09m door to door (132 connections a week on current schedules).
No direct flights · 6 connection options From 12h 09m Prices checked 13 days ago
Ontario to Dublin at a glance
Fastest journey12h 09mVia Atlanta, on current schedules
Nonstop flightsNoneConnect via Atlanta or Dallas
Best ways to fly from Ontario to Dublin
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
ONT Atlanta (ATL) DUB
Leg 1: Delta Air Lines · Leg 2: Delta Air Lines
Mon12:15 ONT19:13 ATL0h 47m connection20:00 ATL08:24 DUBDelta Air Lines
2Search
ONT Dallas (DFW) DUB
Leg 1: American Airlines, Frontier Airlines · Leg 2: American Airlines
Sat13:15 ONT18:02 DFW1h 13m connection19:15 DFW09:36 DUBAmerican Airlines
3Search
ONT Denver (DEN) DUB
Leg 1: Frontier Airlines, Southwest Airlines, United Airlines · Leg 2: Aer Lingus
Wed15:00 ONT17:55 DEN2h 05m connection20:00 DEN11:26 DUBSouthwest Airlines + Aer Lingus
4Search
ONT San Francisco (SFO) DUB
Leg 1: Frontier Airlines, United Airlines · Leg 2: Aer Lingus
Sat14:45 ONT15:57 SFO2h 03m connection18:00 SFO11:43 DUBUnited Airlines + Aer Lingus
5Search
ONT Chicago (ORD) DUB
Leg 1: United Airlines, Volaris · Leg 2: American Airlines, United Airlines, Aer Lingus
Thu07:00 ONT12:50 ORD7h 40m connection20:30 ORD09:26 DUBUnited Airlines
6Search
ONT New York (JFK) DUB
Leg 1: JetBlue Airways · Leg 2: Delta Air Lines, JetBlue Airways, Aer Lingus
Mon01:15 ONT09:10 JFK11h 50m connection21:00 JFK08:13 DUBJetBlue Airways + Aer Lingus
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Good to know
- Distance
- 8,273 km5,138 miles
- Journey time
- 12h 09mon current schedules
- Time difference
- +8hDublin vs Ontario
- Currency in Dublin
- EUR
- Airports
- ONT → DUB
Flights from Ontario to Dublin: questions answered
Are there direct flights from Ontario to Dublin?
No. There is no nonstop service, so you will connect, most easily in Atlanta, Dallas and Denver. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from Ontario to Dublin?
With one connection the journey usually takes around 12h 09m, depending on the layover. The straight-line distance is 8,273 km.
Where do you change planes between Ontario and Dublin?
The best connecting points are Atlanta (ATL), Dallas (DFW), Denver (DEN) and San Francisco (SFO). Delta Air Lines flies both legs via Atlanta, so you can book it as one ticket.
Which airports serve Ontario and Dublin?
Ontario: Ontario International Airport (ONT). Dublin: Dublin Airport (DUB).
What is the time difference between Ontario and Dublin?
Dublin is 8 hours ahead of Ontario.





