Cheap flights from Ontario (ONT) to Dublin (DUB)

ONT — DUB
Aug 16 — Aug 231

How to find the cheapest flight from Ontario (ONT) to Dublin (DUB)

All the information you need to plan the best ONT to DUB flight in 2022: compare Ontario to Dublin flight prices with the expected peak season, weather and rainfall in Dublin.

ONT - DUB

Price

$491 - $1,000

DUB

Temperature

41 - 60.8 °F

DUB

Rainfall

1.9 - 3.1 inches

Popular inJulyHigh demand for flights, 36% potential price rise
Cheapest inMarchBest time to find cheap flights, 23% potential price drop
Round-trip from$491From Ontario to Dublin
One-way from$451One-way flight from Ontario to Dublin

What is the cheapest day to fly round-trip from Ontario to Dublin?

Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 22% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Ontario to Dublin?

To save up to 37% on this flight, we recommend booking at least 61 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ontario to Dublin from $754 1-2 weeks out and tickets from $893 for flights departing within the next 72 hours.

What is the cheapest month to fly from Ontario to Dublin?

Flights from Ontario to Dublin lean towards being more expensive in July. Prices are generally better when you fly from Ontario to Dublin in February, with the cheapest ticket starting at $322.

When is the cheapest time to fly from Ontario to Dublin (ONT - DUB)?

One of the essential ways to save on airfare from Ontario to Dublin is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 34% on airfare.

Cheap flights from Ontario to Dublin in August, September 2022

The best prices found for ONT to DUB flights for August, September
Sep 12 - Sep 22
ONT

Ontario

DUB

Dublin

2 stops

26h 40m
DUB

Dublin

ONT

Ontario

1 stop

15h 34m
$558

Delta

Pick Dates

Deal found 8/9/22

Sep 20 - Sep 28
ONT

Ontario

DUB

Dublin

2 stops

19h 00m
DUB

Dublin

ONT

Ontario

2 stops

19h 14m
$572

Delta

Pick Dates

Deal found 8/10/22

Sep 28 - Oct 5
ONT

Ontario

DUB

Dublin

1 stop

18h 05m
DUB

Dublin

ONT

Ontario

1 stop

17h 53m
$577

American Airlines

Pick Dates

Deal found 8/11/22

Ontario to Dublin 2022 flight deals

Cheap flights to Dublin from Ontario found for this year
Oct 10 - Oct 19
ONT

Ontario

DUB

Dublin

1 stop

18h 05m
DUB

Dublin

ONT

Ontario

1 stop

15h 29m
$552

American Airlines

Pick Dates

Deal found 8/10/22

Oct 17 - Oct 26
ONT

Ontario

DUB

Dublin

1 stop

13h 00m
DUB

Dublin

ONT

Ontario

1 stop

19h 03m
$553

KLM

Pick Dates

Deal found 8/8/22

Oct 10 - Oct 19
ONT

Ontario

DUB

Dublin

1 stop

22h 21m
DUB

Dublin

ONT

Ontario

2 stops

17h 14m
$555

American Airlines

Pick Dates

Deal found 8/10/22

Cheap American Airlines flights from Ontario to Dublin

Sep 25 - Oct 5
ONT

Ontario

DUB

Dublin

1 stop

22h 59m
DUB

Dublin

ONT

Ontario

1 stop

17h 53m
$550

American Airlines

Pick Dates

Deal found 8/8/22

Oct 10 - Oct 19
ONT

Ontario

DUB

Dublin

1 stop

18h 05m
DUB

Dublin

ONT

Ontario

1 stop

15h 29m
$552

American Airlines

Pick Dates

Deal found 8/10/22

Oct 10 - Oct 19
ONT

Ontario

DUB

Dublin

1 stop

22h 21m
DUB

Dublin

ONT

Ontario

2 stops

17h 14m
$555

American Airlines

Pick Dates

Deal found 8/10/22

Cheap United Airlines flights from Ontario to Dublin

Sep 5 - Sep 13
ONT

Ontario

DUB

Dublin

2 stops

20h 56m
DUB

Dublin

ONT

Ontario

2 stops

31h 50m
$599

United Airlines

Pick Dates

Deal found 8/10/22

Sep 5 - Sep 14
ONT

Ontario

DUB

Dublin

2 stops

20h 00m
DUB

Dublin

ONT

Ontario

2 stops

19h 04m
$608

United Airlines

Pick Dates

Deal found 8/10/22

Oct 21 - Oct 30
ONT

Ontario

DUB

Dublin

2 stops

20h 00m
DUB

Dublin

ONT

Ontario

2 stops

39h 57m
$615

United Airlines

Pick Dates

Deal found 8/9/22

Last minute flights from Ontario to Dublin

Late deals on return flights to Dublin from Ontario, departing today and this week
Aug 16 - Sep 2
ONT

Ontario

DUB

Dublin

1 stop

22h 59m
DUB

Dublin

ONT

Ontario

1 stop

17h 47m
$600

Multiple Airlines

Pick Dates

Deal found 8/11/22

Aug 16 - Aug 23
ONT

Ontario

DUB

Dublin

1 stop

18h 05m
DUB

Dublin

ONT

Ontario

1 stop

17h 47m
$602

American Airlines

Pick Dates

Deal found 8/9/22

Aug 18 - Aug 31
ONT

Ontario

DUB

Dublin

1 stop

13h 35m
DUB

Dublin

ONT

Ontario

1 stop

19h 13m
$603

Delta

Pick Dates

Deal found 8/11/22

One-way flights to Dublin from Ontario

The cheapest one-way flights from Ontario to Dublin
Oct 25
ONT

Ontario

DUB

Dublin

1 stop

13h 00m
$376

KLM

Pick Dates

Deal found 8/9/22

Oct 22
ONT

Ontario

DUB

Dublin

2 stops

28h 30m
$381

United Airlines

Pick Dates

Deal found 8/11/22

Oct 29
ONT

Ontario

DUB

Dublin

2 stops

29h 25m
$395

United Airlines

Pick Dates

Deal found 8/10/22

Related info for your journey

Useful info, stats and facts about Ontario to Dublin flights.

Which airlines flying from Ontario to Dublin have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Ontario to Dublin that may be offering flexible cancellation policies are American Airlines, British Airways, and Delta. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Ontario to Dublin for under $600 on Cheapflights?

Yes, there are multiple flights from Ontario to Dublin for under $600. The cheapest flight booked recently is on American Airlines for just $550, but on average you can expect to pay $575.

Are there last-minute flights available from Ontario to Dublin for under $600?

There are currently 20+ open flights from Ontario to Dublin within the next 7 days for less than $600.

What are the cheapest airlines flying from Ontario to Dublin round-trip?

Cheapflights users have booked flights from Ontario to Dublin round-trip from $550. Other airlines that can offer you cheap pricing are KLM, from $553, and Delta, from $558. Users have found that American Airlines is 13% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Ontario to Dublin one-way?

One-way options have recently been found by users for as low as $376 on KLM. Other airlines that offer cheap prices include United Airlines from $381 and Air Canada from $436 one-way.

What are the most popular airlines that fly from Ontario to Dublin?

American Airlines, Air Canada and British Airways are the most popular airlines when flying from Ontario to Dublin.

What are the cheapest flights from Ontario to Dublin?

On average you can expect to pay $1,672 for a flight from Ontario to Dublin. The cheapest flight overall is $536 while the most popular route, (Ontario - Dublin) is currently priced at $553.

Alternative routes for Ontario to Dublin

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Ontario to Dublin

The chart below displays the airlines Cheapflights users traveling from Ontario to Dublin choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
United AirlinesCheapest$430Average$516FlexibilityNo cancel feeOn-time69%COVID-19 safety
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DeltaCheapest$516Average$677FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
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KLMCheapest$523Average$674FlexibilityNo cancel feeOn-time75%COVID-19 safety
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British AirwaysCheapest$523Average$824FlexibilityNo cancel feeOn-time70%COVID-19 safety
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American AirlinesCheapest$549Average$772FlexibilityNo cancel feeOn-time71%COVID-19 safety
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