$425+ 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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DUB
May 29 — Jun 51
Round-trip
1 adult, Economy
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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 April 29, 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 April 29, 2026.
This United Airlines deal was found by Cheapflights users on 4/25. 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 11/197:00 am
ONT
- DUB
1 stop17h 10m
United Airlines
Wed 11/259:00 am
DUB
- ONT
2 stops44h 21m
United Airlines
Deal found 4/25![United Airlines logo]()
$881
This Expedia deal was found by Cheapflights users on 4/25. 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.
Sat 8/811:24 pm
ONT
- DUB
1 stop25h 36m
JetBlue
Sat 8/2211:30 am
DUB
- ONT
1 stop18h 35m
JetBlue
Deal found 4/25![JetBlue logo]()
$898
This KLM deal was found by Cheapflights users on 4/26. 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.
Fri 10/2312:00 pm
ONT
- DUB
1 stop12h 45m
Multiple Airlines
Fri 11/69:45 am
DUB
- ONT
1 stop16h 33m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$908
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:50 pm
ONT
- DUB
1 stop25h 10m
JetBlue
Tue 9/111:30 am
DUB
- ONT
1 stop19h 05m
JetBlue
Deal found 4/27![JetBlue logo]()
$913
This United Airlines deal was found by Cheapflights users on 4/28. 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 stops40h 29m
United Airlines
Deal found 4/28![United Airlines logo]()
$928
This Justfly.com deal was found by Cheapflights users on 4/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/161:44 pm
ONT
- DUB
2 stops58h 01m
Air Canada
Wed 8/269:50 am
DUB
- ONT
2 stops40h 21m
Air Canada
Deal found 4/26![Air Canada logo]()
$931
This United Airlines deal was found by Cheapflights users on 4/28. 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 8/167:00 am
ONT
- DUB
1 stop18h 45m
United Airlines
Wed 8/269:20 am
DUB
- ONT
2 stops42h 44m
United Airlines
Deal found 4/28![United Airlines logo]()
$933
This Expedia deal was found by Cheapflights users on 4/26. 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.
Sat 8/1511:24 pm
ONT
- DUB
1 stop25h 36m
JetBlue
Wed 8/2611:30 am
DUB
- ONT
1 stop19h 05m
JetBlue
Deal found 4/26![JetBlue logo]()
$938
This Air Canada deal was found by Cheapflights users on 4/28. 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.
Fri 8/211:18 pm
ONT
- DUB
2 stops58h 57m
Air Canada
Tue 9/89:20 am
DUB
- ONT
2 stops35h 18m
Air Canada
Deal found 4/28![Air Canada logo]()
$943
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 April 29, 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 April 29, 2026.
This Delta deal was found by Cheapflights users on 4/27. 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 7/2011:48 am
ONT
- DUB
1 stop12h 57m
Delta
Wed 8/511:00 am
DUB
- ONT
1 stop15h 23m
Delta
Deal found 4/27![Delta logo]()
$1,040
This United Airlines deal was found by Cheapflights users on 4/24. 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 7/216:30 am
ONT
- DUB
2 stops20h 10m
United Airlines
Tue 7/2811:35 am
DUB
- ONT
1 stop19h 16m
United Airlines
Deal found 4/24![United Airlines logo]()
$1,040
This KLM deal was found by Cheapflights users on 4/27. 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.
Tue 6/27:05 am
ONT
- DUB
1 stop17h 40m
KLM
Mon 6/81:25 pm
DUB
- ONT
2 stops18h 20m
KLM
Deal found 4/27![KLM logo]()
$1,237
This Delta deal was found by Cheapflights users on 4/27. 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 7/1911:48 am
ONT
- DUB
1 stop12h 57m
Delta
Wed 8/511:00 am
DUB
- ONT
1 stop15h 23m
Delta
Deal found 4/27![Delta logo]()
$1,040
This United Airlines deal was found by Cheapflights users on 4/25. 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 7/166:00 am
ONT
- DUB
2 stops17h 30m
United Airlines
Wed 7/2211:35 am
DUB
- ONT
1 stop19h 16m
United Airlines
Deal found 4/25![United Airlines logo]()
$1,104
This Delta deal was found by Cheapflights users on 4/24. 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.
Sat 7/411:50 am
ONT
- DUB
1 stop12h 55m
Delta
Thu 7/2311:00 am
DUB
- ONT
1 stop18h 44m
Delta
Deal found 4/24![Delta logo]()
$1,100
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/107:00 am
ONT
- DUB
1 stop18h 45m
United Airlines
Sat 5/169:20 am
DUB
- ONT
2 stops45h 39m
United Airlines
Deal found 4/26![United Airlines logo]()
$1,114
This Delta deal was found by Cheapflights users on 4/24. 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.
Sat 7/411:50 am
ONT
- DUB
1 stop12h 55m
Delta
Wed 7/2211:00 am
DUB
- ONT
1 stop18h 44m
Delta
Deal found 4/24![Delta logo]()
$1,100
This Delta deal was found by Cheapflights users on 4/24. 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.
Fri 7/310:00 pm
ONT
- DUB
1 stop26h 45m
Delta
Wed 7/2211:00 am
DUB
- ONT
1 stop18h 44m
Delta
Deal found 4/24![Delta logo]()
$1,110
This United Airlines deal was found by Cheapflights users on 4/27. 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 6/25:00 am
ONT
- DUB
3 stops21h 40m
United Airlines
Mon 6/89:50 am
DUB
- ONT
2 stops20h 56m
United Airlines
Deal found 4/27![United Airlines logo]()
$1,236
This Delta deal was found by Cheapflights users on 4/24. 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.
Fri 7/310:00 pm
ONT
- DUB
1 stop26h 45m
Delta
Thu 7/2311:00 am
DUB
- ONT
1 stop18h 44m
Delta
Deal found 4/24![Delta logo]()
$1,110
This Delta deal was found by Cheapflights users on 4/27. 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 6/810:00 pm
ONT
- DUB
2 stops27h 15m
Delta
Sun 6/141:15 pm
DUB
- ONT
2 stops37h 15m
Delta
Deal found 4/27![Delta logo]()
$1,261
Last-minute flights from Ontario to DublinDiscover last-minute flight deals from Ontario to Dublin. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Dublin. Data last updated April 29, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 4/25. 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 5/106:00 am
ONT
- DUB
2 stops17h 55m
KLM
Tue 5/2611:10 am
DUB
- ONT
2 stops19h 24m
KLM
Deal found 4/25![KLM logo]()
$949
This British Airways deal was found by Cheapflights users on 4/24. 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.
Sun 5/102:08 pm
ONT
- DUB
2 stops18h 12m
British Airways
Tue 5/2612:50 pm
DUB
- ONT
2 stops19h 09m
British Airways
Deal found 4/24![British Airways logo]()
$1,064
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/115:00 am
ONT
- DUB
2 stops20h 45m
United Airlines
Tue 5/269:50 am
DUB
- ONT
2 stops44h 05m
United Airlines
Deal found 4/27![United Airlines logo]()
$950
This KLM deal was found by Cheapflights users on 4/27. 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.
Mon 5/1110:00 pm
ONT
- DUB
1 stop26h 45m
KLM
Tue 5/2611:00 am
DUB
- ONT
1 stop15h 36m
KLM
Deal found 4/27![KLM logo]()
$954
This Iberia deal was found by Cheapflights users on 4/24. 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.
Mon 5/1110:59 am
ONT
- DUB
1 stop14h 46m
Iberia
Mon 6/812:40 pm
DUB
- ONT
1 stop15h 16m
Iberia
Deal found 4/24![Iberia logo]()
$1,020
This CheapOair deal was found by Cheapflights users on 4/24. 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.
Sun 5/175:00 am
ONT
- DUB
2 stops18h 45m
Air Canada
Wed 6/39:20 am
DUB
- ONT
2 stops21h 17m
Air Canada
Deal found 4/24![Air Canada logo]()
$1,041
This BusinessClass deal was found by Cheapflights users on 4/25. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2610:41 pm
ONT
- DUB
1 stop26h 19m
JetBlue
Mon 6/811:30 am
DUB
- ONT
1 stop17h 17m
JetBlue
Deal found 4/25![JetBlue logo]()
$985
This FlightHub deal was found by Cheapflights users on 4/27. 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.
Tue 5/2610:41 pm
ONT
- DUB
1 stop26h 19m
JetBlue
Fri 6/511:30 am
DUB
- ONT
1 stop17h 17m
JetBlue
Deal found 4/27![JetBlue logo]()
$994
This CheapOair deal was found by Cheapflights users on 4/27. 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.
Tue 5/266:00 am
ONT
- DUB
2 stops18h 15m
Air Canada
Fri 6/59:20 am
DUB
- ONT
2 stops21h 17m
Air Canada
Deal found 4/27![Air Canada logo]()
$1,046
This Priceline deal was found by Cheapflights users on 4/27. 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 5/2610:41 pm
ONT
- DUB
1 stop26h 19m
JetBlue
Sun 6/711:30 am
DUB
- ONT
1 stop17h 17m
JetBlue
Deal found 4/27![JetBlue logo]()
$1,061
This Priceline deal was found by Cheapflights users on 4/24. 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.
Fri 5/2910:41 pm
ONT
- DUB
1 stop26h 19m
JetBlue
Thu 6/411:30 am
DUB
- ONT
1 stop17h 17m
JetBlue
Deal found 4/24![JetBlue logo]()
$995
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 April 29, 2026.
Search for one-way flight options from Ontario to Dublin. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Thu 6/113:34 pm
ONT
- DUB
3 stops57h 46m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Fri 6/123:34 pm
ONT
- DUB
3 stops33h 46m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$482
This Justfly.com deal was found by Cheapflights users on 4/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2610:41 pm
ONT
- DUB
1 stop26h 19m
JetBlue
Deal found 4/25![JetBlue logo]()
$483
This Justfly.com deal was found by Cheapflights users on 4/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2510:41 pm
ONT
- DUB
1 stop26h 19m
JetBlue
Deal found 4/25![JetBlue logo]()
$524
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
Fri 5/224:04 pm
ONT
- DUB
3 stops57h 16m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$530
This FlightHub deal was found by Cheapflights users on 4/28. 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.
Tue 6/210:41 pm
ONT
- DUB
1 stop26h 19m
JetBlue
Deal found 4/28![JetBlue logo]()
$544
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Fri 7/178:39 pm
ONT
- DUB
3 stops52h 41m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$545
This Super.com deal was found by Cheapflights users on 4/28. 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.
Tue 6/2311:58 pm
ONT
- DUB
1 stop25h 02m
JetBlue
Deal found 4/28![JetBlue logo]()
$554
This Super.com deal was found by Cheapflights users on 4/25. 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.
Mon 6/2211:54 pm
ONT
- DUB
1 stop25h 06m
JetBlue
Deal found 4/25![JetBlue logo]()
$555
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 April 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $898 (FlightHub) |
One-way from | $425 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $731 |
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 April 29, 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
Quickest round-trip
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Mon 7/20
11:48 am-8:45 am
1 stop12h 57m
Dublin
Wed 8/5
11:00 am-6:23 pm
1 stop15h 23m
$1,040
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Tue 7/21
6:30 am-10:40 am
2 stops20h 10m
Dublin
Tue 7/28
11:35 am-10:51 pm
1 stop19h 16m
$1,040
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Sun 7/19
11:48 am-8:45 am
1 stop12h 57m
Dublin
Wed 8/5
11:00 am-6:23 pm
1 stop15h 23m
$1,040
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Sat 7/4
11:50 am-8:45 am
1 stop12h 55m
Dublin
Thu 7/23
11:00 am-9:44 pm
1 stop18h 44m
$1,100
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Sat 7/4
11:50 am-8:45 am
1 stop12h 55m
Dublin
Wed 7/22
11:00 am-9:44 pm
1 stop18h 44m
$1,100
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Thu 7/16
6:00 am-7:30 am
2 stops17h 30m
Dublin
Wed 7/22
11:35 am-10:51 pm
1 stop19h 16m
$1,104
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Fri 7/3
10:00 pm-8:45 am
1 stop26h 45m
Dublin
Wed 7/22
11:00 am-9:44 pm
1 stop18h 44m
$1,110
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Fri 7/3
10:00 pm-8:45 am
1 stop26h 45m
Dublin
Thu 7/23
11:00 am-9:44 pm
1 stop18h 44m
$1,110
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Sun 5/10
7:00 am-9:45 am
1 stop18h 45m
Dublin
Sat 5/16
9:20 am-10:59 pm
2 stops45h 39m
$1,114
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Tue 6/2
5:00 am-10:40 am
3 stops21h 40m
Dublin
Mon 6/8
9:50 am-10:46 pm
2 stops20h 56m
$1,236
Showing 1-10 of 22 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 April.
| 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 April 29, 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.
Crew
7.9
Entertainment
6.9
Comfort
7.2
Overall
7.1
Boarding
7.5
Food
6.4
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Crew
7.9
Entertainment
6.9
Comfort
7.2
Overall
7.1
Boarding
7.5
Food
6.4
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
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.
Traveling to a place near Dublin?
Book flights to Dublin if you plan to visit one of these locationsMaynooth
Castleknock
Leixlip
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Ontario and Dublin flights
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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 April 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$683 | Average$975 | FlexibilityNo cancel fee | On-time71% |