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

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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 2021: compare Ontario to Dublin flight prices with the expected peak season, weather and rainfall in Dublin.
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 afternoon tend to be the most expensive. A flight at noon could potentially save you up to 18% on airfare.

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

Flights from Ontario to Dublin lean towards being more expensive in December. Prices are generally better when you fly from Ontario to Dublin in February, with the cheapest ticket starting at $307.

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

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 68% 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 52% on this flight, we recommend booking at least 60 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 $724 1-2 weeks out and tickets from $949 for flights departing within the next 72 hours.

Cheap flights from Ontario to Dublin in October, November 2021

The best prices found for ONT to DUB flights for October, November
22 Nov - 1 Dec
$435pp
ONT
Ontario
Air Canada
   
2 STOPS
DUB
Dublin
DUB
Dublin
Air Canada
   
2 STOPS
ONT
Ontario
25 Nov - 10 Dec
$441pp
ONT
Ontario
United Airlines
   
2 STOPS
DUB
Dublin
DUB
Dublin
United Airlines
   
2 STOPS
ONT
Ontario
25 Nov - 6 Dec
$445pp
ONT
Ontario
United Airlines
   
2 STOPS
DUB
Dublin
DUB
Dublin
United Airlines
   
2 STOPS
ONT
Ontario

Ontario to Dublin 2021 flight deals

Cheap flights to Dublin from Ontario found for this year
22 Nov - 1 Dec
$435pp
ONT
Ontario
Air Canada
   
2 STOPS
DUB
Dublin
DUB
Dublin
Air Canada
   
2 STOPS
ONT
Ontario
25 Nov - 10 Dec
$441pp
ONT
Ontario
United Airlines
   
2 STOPS
DUB
Dublin
DUB
Dublin
United Airlines
   
2 STOPS
ONT
Ontario
1 Dec - 9 Dec
$444pp
ONT
Ontario
American Airlines
   
2 STOPS
DUB
Dublin
DUB
Dublin
American Airlines
   
2 STOPS
ONT
Ontario

Last minute flights from Ontario to Dublin

Late deals on round-trip flights to Dublin from Ontario, departing today and this week
1 Nov - 12 Nov
$589pp
ONT
Ontario
Air Canada
   
2 STOPS
DUB
Dublin
DUB
Dublin
Air Canada
   
2 STOPS
ONT
Ontario
2 Nov - 25 Nov
$636pp
ONT
Ontario
KLM
   
2 STOPS
DUB
Dublin
DUB
Dublin
KLM
   
2 STOPS
ONT
Ontario
3 Nov - 12 Nov
$639pp
ONT
Ontario
Air Canada
   
2 STOPS
DUB
Dublin
DUB
Dublin
Air Canada
   
2 STOPS
ONT
Ontario

One-way flights to Dublin from Ontario

The cheapest one-way flights from Ontario to Dublin
8:34 pm - 5:00 am
British Airways
2 Stops
24h 26m
ONT - DUB
British Airways
$587
KAYAK
1:45 am - 3:25 am
United Airlines
3 Stops
42h 40m
ONT - DUB
United Airlines
$631
United
2:10 am - 3:10 am
Delta
2 Stops
17h 00m
ONT - DUB
Delta
$656
Delta

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">Dublin</span> flights.

Flight FAQs

From Ontario to Dublin

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 British Airways, American Airlines, and United Airlines. 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 $500 on Cheapflights?

Yes, there are multiple flights from Ontario to Dublin for under $500. The cheapest flight booked recently is on United Airlines for just $422, but on average you can expect to pay $459.

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 $422. Other airlines that can offer you cheap pricing are Air Canada, from $431, and Delta, from $459. Users have found that United Airlines is 54% 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 $345 on Delta. Other airlines that offer cheap prices include Air Canada from $346 and United Airlines from $351 one-way.

What are the cheapest flights from Ontario to Dublin?

On average you can expect to pay $1,865 for a flight from Ontario to Dublin. The cheapest flight overall is $389 while the most popular route, (Ontario - Dublin) is currently priced at $444.

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

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

COVID Restrictions

View COVID Travel Restrictions for Dublin, Ireland

Do I need a COVID test to fly to Dublin from Ontario?

Information is based on travel restrictions from Ontario to Dublin

Most visitors from Ontario need to provide a negative COVID-19 test result and/or quarantine to enter Dublin.

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Dublin.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Dublin.

Do I need a test to fly back to Ontario from Dublin?

Returning to Ontario from Dublin

COVID-19 testing requirements
Visitors from Dublin must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Ontario.

Quarantine requirements
Visitors from Dublin are not required to quarantine after entering Ontario.

Hide COVID Travel Restrictions for Dublin, Ireland

Alternative routes for Ontario to Dublin

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

Destination information for Dublin

Things to know before you go - useful duration and weather info for your trip from Ontario to Dublin.
Today's exchange rate
$1 = €0.86
Average temperature for October in Dublin
57.2 °F
Avg rainfall for October in Dublin
3.3 ″

Airports servicing Ontario

Airports servicing Dublin

Top 3 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.
Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines
$478 $793 No cancel fee 69%
British Airways
$502 $799 No cancel fee 70%
American Airlines
$540 $828 No cancel fee 71%
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