$361+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Ontario to Dublin with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 January 20, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $529 (American Airlines) |
One-way from | $361 (Kiwi.com) |
Popular in | May |
Cheapest in | November |
Average price | $688 |
Find flight deals from Ontario to Dublin
Cheapest flights from Ontario to DublinExplore 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 January 20, 2025.
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 January 20, 2025.
This American Airlines deal was found by Cheapflights users on 1/19. 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.
This Air France deal was found by Cheapflights users on 1/19. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 1/18. 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.
This Iberia deal was found by Cheapflights users on 1/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This KLM deal was found by Cheapflights users on 1/19. 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.
This Delta deal was found by Cheapflights users on 1/19. 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.
This Gotogate deal was found by Cheapflights users on 1/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 1/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 January 20, 2025.
Fly from
Fly to
Route
Depart
Return
Price
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Tue 2/18
6:59 am-9:10 am
2 stops18h 11m
Dublin
Tue 2/25
10:00 am-10:16 pm
2 stops20h 16m
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Tue 2/18
7:05 am-8:05 am
2 stops17h 00m
Dublin
Tue 2/25
12:00 pm-10:52 pm
1 stop18h 52m
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Mon 2/24
6:00 am-7:00 am
2 stops17h 00m
Dublin
Wed 3/5
9:00 am-8:52 pm
2 stops19h 52m
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Tue 4/1
7:00 am-9:45 am
1 stop18h 45m
Dublin
Mon 4/7
12:40 pm-11:51 pm
1 stop19h 11m
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Tue 4/8
7:00 am-8:45 am
1 stop17h 45m
Dublin
Thu 4/17
11:00 am-7:42 pm
1 stop16h 42m
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Sat 4/26
12:39 pm-8:45 am
1 stop36h 06m
Dublin
Thu 5/8
11:00 am-7:42 pm
1 stop16h 42m
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Sun 3/23
4:30 pm-4:50 pm
2 stops17h 20m
Dublin
Sat 3/29
8:35 pm-10:00 pm
2 stops32h 25m
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Thu 7/10
1:00 pm-7:45 am
2 stops34h 45m
Dublin
Thu 7/24
9:20 am-10:53 pm
2 stops45h 33m
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Thu 3/6
8:26 am-9:20 pm
3 stops52h 54m
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Mon 3/31
7:00 am-8:45 am
1 stop17h 45m
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 January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Dublin flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Dublin flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.
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 January 20, 2025.
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 January 20, 2025.
Overall
Food
Boarding
Comfort
Crew
Entertainment
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Overall
Food
Boarding
Comfort
Crew
Entertainment
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Overall
Food
Boarding
Comfort
Crew
Entertainment
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Overall
Food
Boarding
Comfort
Crew
Entertainment
Reviews
This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Overall
Food
Boarding
Comfort
Crew
Entertainment
Reviews
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.
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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
Discover the top 5 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 January 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$507 | Average$572 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$557 | Average$1,030 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$580 | Average$808 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$607 | Average$893 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$807 | Average$922 | FlexibilityNo cancel fee | On-timeN/A |