$362+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DUB
Jul 14 — Jul 211
Round-trip
1 adult, Economy
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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
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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 June 14, 2026.
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 June 14, 2026.
This Air France deal was found by Cheapflights users on 6/10. 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.
Wed 10/1412:00 pm
ONT
- DUB
1 stop12h 45m
Multiple Airlines
Wed 10/2111:00 am
DUB
- ONT
1 stop15h 18m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$823
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Tue 8/187:00 am
ONT
- DUB
1 stop18h 45m
United Airlines
Tue 9/19:50 am
DUB
- ONT
2 stops44h 45m
United Airlines
Deal found 6/10![United Airlines logo]()
$848
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 9/25:00 am
ONT
- DUB
2 stops18h 45m
United Airlines
Wed 9/99:20 am
DUB
- ONT
2 stops44h 39m
United Airlines
Deal found 6/11![United Airlines logo]()
$856
This KAYAK deal was found by Cheapflights users on 6/10. 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.
Sun 8/2311:50 pm
ONT
- DUB
1 stop25h 10m
JetBlue
Tue 9/811:30 am
DUB
- ONT
1 stop19h 05m
JetBlue
Deal found 6/10![JetBlue logo]()
$866
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 8/312:35 pm
ONT
- DUB
1 stop13h 10m
American Airlines
Wed 8/1912:40 pm
DUB
- ONT
1 stop14h 07m
American Airlines
Deal found 6/11![American Airlines logo]()
$871
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Sun 8/912:33 pm
ONT
- DUB
1 stop13h 12m
American Airlines
Tue 8/2512:40 pm
DUB
- ONT
1 stop14h 07m
American Airlines
Deal found 6/14![American Airlines logo]()
$873
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 7/276:10 am
ONT
- DUB
2 stops17h 35m
United Airlines
Thu 8/209:50 am
DUB
- ONT
2 stops20h 45m
United Airlines
Deal found 6/9![United Airlines logo]()
$874
This Delta deal was found by Cheapflights users on 6/10. 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 10/257:00 am
ONT
- DUB
1 stop17h 45m
Delta
Tue 11/39:40 am
DUB
- ONT
1 stop16h 38m
Delta
Deal found 6/10![Delta logo]()
$875
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Sun 8/96:10 am
ONT
- DUB
1 stop19h 35m
United Airlines
Wed 8/199:20 am
DUB
- ONT
2 stops16h 56m
United Airlines
Deal found 6/12![United Airlines logo]()
$876
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:50 pm
ONT
- DUB
1 stop25h 10m
JetBlue
Tue 9/811:30 am
DUB
- ONT
1 stop19h 05m
JetBlue
Deal found 6/11![JetBlue logo]()
$877
Best flights from Ontario to DublinDiscover carefully curated flight deals from Ontario to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 14, 2026.
Discover carefully curated flight deals from Ontario to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 14, 2026.
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 8/189:15 am
ONT
- DUB
2 stops17h 55m
United Airlines
Tue 9/19:50 am
DUB
- ONT
2 stops44h 45m
United Airlines
Deal found 6/14![United Airlines logo]()
$852
This United deal was found by Cheapflights users on 6/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:00 am
ONT
- DUB
2 stops19h 10m
Multiple Airlines
Sun 11/89:00 am
DUB
- ONT
2 stops43h 20m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$902
This Delta deal was found by Cheapflights users on 6/12. 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 9/137:00 am
ONT
- DUB
1 stop17h 45m
Delta
Mon 9/2111:10 am
DUB
- ONT
2 stops37h 23m
Delta
Deal found 6/12![Delta logo]()
$956
This KLM deal was found by Cheapflights users on 6/13. 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.
Sun 7/57:05 am
ONT
- DUB
1 stop17h 40m
KLM
Wed 7/2211:00 am
DUB
- ONT
1 stop15h 30m
KLM
Deal found 6/13![KLM logo]()
$1,119
This Icelandair deal was found by Cheapflights users on 6/11. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/162:14 pm
ONT
- DUB
2 stops36h 51m
Multiple Airlines
Thu 10/222:15 pm
DUB
- ONT
2 stops17h 27m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,004
This Delta deal was found by Cheapflights users on 6/12. 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 9/137:00 am
ONT
- DUB
1 stop17h 45m
Delta
Sun 9/2011:00 am
DUB
- ONT
1 stop19h 26m
Delta
Deal found 6/12![Delta logo]()
$1,019
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 7/226:10 am
ONT
- DUB
1 stop19h 35m
United Airlines
Wed 7/2911:35 am
DUB
- ONT
1 stop19h 16m
United Airlines
Deal found 6/12![United Airlines logo]()
$1,039
This Icelandair deal was found by Cheapflights users on 6/11. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/62:05 pm
ONT
- DUB
2 stops39h 10m
Multiple Airlines
Thu 8/202:15 pm
DUB
- ONT
2 stops17h 09m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$1,009
This Icelandair deal was found by Cheapflights users on 6/9. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:00 am
ONT
- DUB
2 stops20h 15m
Multiple Airlines
Mon 11/911:30 am
DUB
- ONT
2 stops19h 24m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$1,012
Last-minute flights from Ontario to DublinDiscover last-minute flight deals from Ontario to Dublin. Data last updated June 14, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Dublin. Data last updated June 14, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 7/146:10 am
ONT
- DUB
2 stops21h 00m
United Airlines
Tue 7/219:50 am
DUB
- ONT
2 stops44h 47m
United Airlines
Deal found 6/9![United Airlines logo]()
$1,008
This Ovago deal was found by Cheapflights users on 6/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1911:58 pm
ONT
- DUB
1 stop25h 02m
JetBlue
Fri 10/911:30 am
DUB
- ONT
1 stop18h 39m
JetBlue
Deal found 6/12![JetBlue logo]()
$972
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Mon 7/276:10 am
ONT
- DUB
2 stops17h 35m
United Airlines
Thu 8/209:50 am
DUB
- ONT
2 stops20h 45m
United Airlines
Deal found 6/9![United Airlines logo]()
$874
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2711:51 pm
ONT
- DUB
1 stop25h 09m
JetBlue
Wed 8/1211:30 am
DUB
- ONT
1 stop19h 05m
JetBlue
Deal found 6/10![JetBlue logo]()
$899
This Delta deal was found by Cheapflights users on 6/10. 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.
Mon 7/2711:48 am
ONT
- DUB
1 stop12h 57m
Delta
Thu 8/611:00 am
DUB
- ONT
1 stop15h 29m
Delta
Deal found 6/10![Delta logo]()
$917
This Priceline deal was found by Cheapflights users on 6/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:51 pm
ONT
- DUB
1 stop25h 09m
JetBlue
Tue 8/1111:30 am
DUB
- ONT
1 stop19h 05m
JetBlue
Deal found 6/10![JetBlue logo]()
$898
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 7/286:10 am
ONT
- DUB
1 stop19h 35m
United Airlines
Mon 8/109:50 am
DUB
- ONT
2 stops44h 45m
United Airlines
Deal found 6/11![United Airlines logo]()
$988
This Iberia deal was found by Cheapflights users on 6/10. 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.
Tue 7/2812:35 pm
ONT
- DUB
1 stop13h 10m
Iberia
Sat 8/812:40 pm
DUB
- ONT
1 stop14h 18m
Iberia
Deal found 6/10![Iberia logo]()
$1,019
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:51 pm
ONT
- DUB
1 stop25h 09m
JetBlue
Fri 8/1411:30 am
DUB
- ONT
1 stop19h 05m
JetBlue
Deal found 6/10![JetBlue logo]()
$901
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 7/2911:48 am
ONT
- DUB
1 stop12h 57m
Delta
Thu 8/611:00 am
DUB
- ONT
1 stop15h 29m
Delta
Deal found 6/10![Delta logo]()
$959
This Air France deal was found by Cheapflights users on 6/10. 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.
Wed 7/2911:48 am
ONT
- DUB
1 stop12h 57m
Multiple Airlines
Fri 8/711:00 am
DUB
- ONT
1 stop15h 29m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$980
One-way flights from Ontario to DublinSearch for one-way flight options from Ontario to Dublin. Find affordable one-way fares based on user searches. Data last updated June 14, 2026.
Search for one-way flight options from Ontario to Dublin. Find affordable one-way fares based on user searches. Data last updated June 14, 2026.
This Air France deal was found by Cheapflights users on 6/10. 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.
Wed 9/2311:59 am
ONT
- DUB
1 stop12h 46m
Air France
Deal found 6/10![Air France logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/182:14 pm
ONT
- DUB
2 stops40h 21m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:59 pm
ONT
- DUB
2 stops40h 26m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$382
This SmartFares deal was found by Cheapflights users on 6/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:50 pm
ONT
- DUB
1 stop25h 10m
JetBlue
Deal found 6/9![JetBlue logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2510:49 am
ONT
- DUB
3 stops28h 36m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$413
This KAYAK deal was found by Cheapflights users on 6/13. 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.
Sat 9/511:24 pm
ONT
- DUB
1 stop25h 36m
JetBlue
Deal found 6/13![JetBlue logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/172:58 pm
ONT
- DUB
3 stops45h 02m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/125:08 pm
ONT
- DUB
3 stops46h 17m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$430
This Super.com deal was found by Cheapflights users on 6/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/211:58 pm
ONT
- DUB
1 stop25h 02m
JetBlue
Deal found 6/9![JetBlue logo]()
$431
This Super.com deal was found by Cheapflights users on 6/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:50 pm
ONT
- DUB
1 stop25h 10m
JetBlue
Deal found 6/9![JetBlue logo]()
$434
Find 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 June 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $823 (Air France) |
One-way from | $362 (Air France) |
Popular in | June |
Cheapest in | February |
Average price | $1,209 |
Cheapflights Fare Finder
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 June 14, 2026.
Use the filters below to find and compare flights from Ontario to Dublin that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Tue 8/18
9:15 am-11:10 am
2 stops17h 55m
Dublin
Tue 9/1
9:50 am-10:35 pm
2 stops44h 45m
$852
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Mon 11/2
5:00 am-8:10 am
2 stops19h 10m
Dublin
Sun 11/8
9:00 am-8:20 pm
2 stops43h 20m
$902
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Sun 9/13
7:00 am-8:45 am
1 stop17h 45m
Dublin
Mon 9/21
11:10 am-4:33 pm
2 stops37h 23m
$956
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Fri 10/16
2:14 pm-11:05 am
2 stops36h 51m
Dublin
Thu 10/22
2:15 pm-11:42 pm
2 stops17h 27m
$1,004
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Thu 8/6
2:05 pm-1:15 pm
2 stops39h 10m
Dublin
Thu 8/20
2:15 pm-11:24 pm
2 stops17h 09m
$1,009
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Mon 11/2
6:00 am-10:15 am
2 stops20h 15m
Dublin
Mon 11/9
11:30 am-10:54 pm
2 stops19h 24m
$1,012
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Sun 9/13
7:00 am-8:45 am
1 stop17h 45m
Dublin
Sun 9/20
11:00 am-10:26 pm
1 stop19h 26m
$1,019
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Wed 7/22
6:10 am-9:45 am
1 stop19h 35m
Dublin
Wed 7/29
11:35 am-10:51 pm
1 stop19h 16m
$1,039
Quickest round-trip
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Sun 7/5
7:05 am-8:45 am
1 stop17h 40m
Dublin
Wed 7/22
11:00 am-6:30 pm
1 stop15h 30m
$1,119
Cheapest one-way
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Wed 8/12
8:58 am-11:45 am
1 stop18h 47m
$511
Showing 1-10 of 20 resultsSorted by cheapest first
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 June.
| 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 |
- 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.
ONT-DUB
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.
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 June 14, 2026.
Peruse reviews from past customers who have flown with American Airlines from Ontario to Dublin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.1
Entertainment
6.9
Boarding
7.5
Comfort
7.2
Crew
7.9
Food
6.4
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Overall
7.1
Entertainment
6.9
Boarding
7.5
Comfort
7.2
Crew
7.9
Food
6.4
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
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Top airline flying from Ontario to Dublin
Discover the top airline 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 June 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$728 | Average$1,339 | FlexibilityNo cancel fee | On-time71% |