Dublin

$268+ Cheap flights from Ontario (ONT) to Dublin (DUB)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DUB
Dec 23 — Dec 301
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Cheap flight deals from Ontario to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$596
(United Airlines)

One-way from

$268
(Trip.com)

Popular in

May

Cheapest in

November

Average price

$900
Provider with most accurate pricing for Ontario-Dublin flight deals.
Provider most trusted by Cheapflights users for Ontario-Dublin flights.
From Ontario to Dublin
One-way flight from Ontario to Dublin
High demand for flights, 21% potential price rise
Best time to find cheap flights, 3% potential price drop
Average for round-trip flights in December 2024

Find flight deals from Ontario to Dublin

Cheapest flights from Ontario to Dublin
Explore the most affordable flight options available from Ontario to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2210:29 pmONT - DUB
2 stops25h 36mDelta
Mon 12/305:55 amDUB - ONT
2 stops25h 46mDelta
Deal found 12/17$1,184
This Air Canada deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:50 pmONT - DUB
2 stops28h 20mMultiple Airlines
Tue 1/712:05 pmDUB - ONT
3 stops32h 36mMultiple Airlines
Deal found 12/18$1,267
This United Airlines deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/266:00 amONT - DUB
2 stops20h 05mUnited Airlines
Tue 12/3111:50 amDUB - ONT
2 stops42h 39mUnited Airlines
Deal found 12/18$1,592
This KLM deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/266:52 amONT - DUB
1 stop17h 33mKLM
Sun 12/2911:30 amDUB - ONT
1 stop20h 11mKLM
Deal found 12/16$1,600
This KAYAK deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2510:46 amONT - DUB
2 stops18h 44mIberia
Mon 1/137:25 amDUB - ONT
2 stops23h 20mIberia
Deal found 12/17$1,719
This American Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/217:15 amONT - DUB
2 stops17h 25mAmerican Airlines
Thu 12/262:05 pmDUB - ONT
2 stops17h 52mAmerican Airlines
Deal found 12/17$1,758
This British Airways deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/284:25 pmONT - DUB
2 stops17h 15mBritish Airways
Mon 1/610:40 amDUB - ONT
2 stops21h 17mBritish Airways
Deal found 12/18$2,083

Find flights from Ontario to Dublin within your budget

Customize your flight search to find flights from Ontario to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Tue 3/4

6:00 am-7:00 am

2 stops17h 00m

Dublin

Fri 3/14

8:00 am-8:57 pm

2 stops19h 57m

$596

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Wed 1/8

5:10 am-7:10 am

2 stops42h 00m

Dublin

Fri 1/17

9:00 am-8:51 pm

2 stops43h 51m

$597

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Fri 1/17

6:00 am-7:10 am

2 stops17h 10m

Dublin

Wed 1/22

9:00 am-6:04 pm

2 stops17h 04m

$608

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Wed 3/5

1:00 pm-9:45 am

1 stop12h 45m

Dublin

Mon 3/10

12:00 pm-10:58 pm

1 stop17h 58m

$665

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Wed 4/23

12:53 pm-9:45 am

1 stop12h 52m

Dublin

Tue 4/29

11:05 am-11:42 pm

2 stops20h 37m

$804

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Sat 6/7

8:42 am-9:35 am

2 stops16h 53m

Dublin

Sat 6/28

10:30 am-9:36 pm

2 stops19h 06m

$1,205

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Wed 1/15

7:45 am-10:15 am

2 stops18h 30m

$268

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Mon 3/17

6:00 am-7:00 am

2 stops18h 00m

$446

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Mon 12/30

12:36 pm-12:35 pm

2 stops15h 59m

$525

OntarioDublin

ONT - DUB

ONTDUB

Ontario

Tue 3/18

7:00 am-9:45 am

1 stop19h 45m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 13 results
1
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Compare providers for flights from Ontario to Dublin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Dublin in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Dublin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Dublin flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Dublin

Get recent, data-driven insights about flights from Ontario to Dublin including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario to Dublin?

Currently, November is the cheapest month in which you can book a flight from Ontario to Dublin (average of $509). Flying from Ontario to Dublin in June is currently the most expensive (average of $1,016). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to DUB?

Find hourly flight availability from Ontario to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

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 morning tend to be the most expensive. A flight at noon could potentially save you up to 6% on airfare.

Rainfall in Dublin by month

Plan your trip to Dublin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dublin ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Dublin when rainfall is around 1.9 in.

Temperature in Dublin by month

Plan your trip to Dublin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dublin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dublin. Reviews last updated December 18, 2024.
See what other customers who have flown with KLM, British Airways and United Airlines from Ontario to Dublin have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,604 reviews

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good
8,604 reviews
8.0
Very good
8,604 reviews

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.8
Good
1,349 reviews
8.0
Very good
8,604 reviews

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.4
Good
9,055 reviews
8.0
Very good
8,604 reviews

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.3
Good
2,818 reviews
8.0
Very good
8,604 reviews

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.0
Good
8,382 reviews
8.0
Very good
8,604 reviews

Overall

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Ontario to Dublin round-trip?

    Cheapflights users have booked flights from Ontario to Dublin round-trip from $596. Other airlines that can offer you cheap pricing are Air Canada, from $597, and KLM, from $607. Users have found that United Airlines is 24% 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 $446 on United Airlines. Other airlines that offer cheap prices include KLM from $457 and British Airways from $525 one-way.

  • Can I find deals for flights from Ontario to Dublin that include hotel bookings?

    Yes. In addition to deals on Ontario to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Dublin.

  • Can I find deals for business class flights from Ontario to Dublin?

    Yes. Cheapflights offers flight deals from Ontario to Dublin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Dublin?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Dublin (average of $509). Flying from Ontario to Dublin in June is currently the most expensive (average of $1,016). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Ontario to Dublin

Discover the top 6 airlines that operate flights from Ontario to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$507Average$572FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$557Average$1,027FlexibilityNo cancel feeOn-time71%
IberiaCheapest$580Average$808FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$610Average$872FlexibilityNo cancel feeOn-time70%
KLMCheapest$653Average$922FlexibilityNo cancel feeOn-time75%
DeltaCheapest$807Average$901FlexibilityNo cancel feeOn-timeN/A
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