$427+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DUB
jun. 16 — jun. 231
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Dublin with Cheapflights
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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 mayo 17, 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 mayo 17, 2026.
This Air Canada deal was found by Cheapflights users on 5/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/95:00 am
ONT
- DUB
2 stops18h 45m
Air Canada
mié. 9/169:50 am
DUB
- ONT
2 stops43h 03m
Air Canada
Deal found 5/16![Air Canada logo]()
$848
This Air Canada deal was found by Cheapflights users on 5/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/81:18 pm
ONT
- DUB
2 stops34h 27m
Air Canada
mié. 9/169:50 am
DUB
- ONT
2 stops43h 03m
Air Canada
Deal found 5/16![Air Canada logo]()
$854
This Air Canada deal was found by Cheapflights users on 5/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/95:00 am
ONT
- DUB
2 stops18h 45m
Air Canada
vie. 9/189:20 am
DUB
- ONT
2 stops43h 33m
Air Canada
Deal found 5/16![Air Canada logo]()
$856
This Air Canada deal was found by Cheapflights users on 5/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/81:18 pm
ONT
- DUB
2 stops34h 27m
Air Canada
jue. 9/179:50 am
DUB
- ONT
2 stops43h 03m
Air Canada
Deal found 5/16![Air Canada logo]()
$862
This CheapOair deal was found by Cheapflights users on 5/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/25:00 am
ONT
- DUB
2 stops18h 45m
Air Canada
mié. 9/99:50 am
DUB
- ONT
2 stops21h 08m
Air Canada
Deal found 5/13![Air Canada logo]()
$872
This KLM deal was found by Cheapflights users on 5/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/2712:00 pm
ONT
- DUB
1 stop12h 45m
KLM
mar. 11/109:40 am
DUB
- ONT
1 stop16h 38m
KLM
Deal found 5/12![KLM logo]()
$875
This United Airlines deal was found by Cheapflights users on 5/15. 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.
mar. 9/87:00 am
ONT
- DUB
1 stop18h 45m
United Airlines
vie. 9/189:20 am
DUB
- ONT
2 stops17h 57m
United Airlines
Deal found 5/15![United Airlines logo]()
$876
This Delta deal was found by Cheapflights users on 5/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/87:00 am
ONT
- DUB
1 stop17h 45m
Delta
mié. 9/165:55 am
DUB
- ONT
2 stops18h 19m
Delta
Deal found 5/16![Delta logo]()
$877
This Air Canada deal was found by Cheapflights users on 5/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/107:13 pm
ONT
- DUB
2 stops28h 32m
Air Canada
mié. 9/169:50 am
DUB
- ONT
2 stops43h 03m
Air Canada
Deal found 5/16![Air Canada logo]()
$878
This United Airlines deal was found by Cheapflights users on 5/15. 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.
mar. 9/87:00 am
ONT
- DUB
1 stop18h 45m
United Airlines
jue. 9/1711:35 am
DUB
- ONT
1 stop15h 42m
United Airlines
Deal found 5/15![United Airlines logo]()
$880
This Air Canada deal was found by Cheapflights users on 5/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/115:00 am
ONT
- DUB
2 stops18h 45m
Air Canada
vie. 9/189:50 am
DUB
- ONT
2 stops40h 21m
Air Canada
Deal found 5/14![Air Canada logo]()
$881
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 mayo 17, 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 mayo 17, 2026.
This KLM deal was found by Cheapflights users on 5/13. 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.
mié. 10/2812:00 pm
ONT
- DUB
1 stop12h 45m
KLM
mié. 11/49:45 am
DUB
- ONT
1 stop16h 33m
KLM
Deal found 5/13![KLM logo]()
$875
This Delta deal was found by Cheapflights users on 5/12. 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.
lun. 9/77:00 am
ONT
- DUB
1 stop17h 45m
Delta
sáb. 9/195:55 am
DUB
- ONT
2 stops19h 21m
Delta
Deal found 5/12![Delta logo]()
$910
This Icelandair deal was found by Cheapflights users on 5/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/186:02 am
ONT
- DUB
2 stops21h 03m
Multiple Airlines
mar. 9/12:15 pm
DUB
- ONT
2 stops17h 09m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$923
This United Airlines deal was found by Cheapflights users on 5/15. 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.
dom. 8/167:00 am
ONT
- DUB
1 stop18h 45m
United Airlines
mié. 8/269:20 am
DUB
- ONT
2 stops40h 51m
United Airlines
Deal found 5/15![United Airlines logo]()
$933
This Turkish Airlines deal was found by Cheapflights users on 5/12. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/811:50 pm
ONT
- DUB
2 stops39h 15m
Turkish Airlines
mar. 9/2210:40 am
DUB
- ONT
2 stops41h 33m
Turkish Airlines
Deal found 5/12![Turkish Airlines logo]()
$1,021
This Delta deal was found by Cheapflights users on 5/12. 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.
mié. 9/97:00 am
ONT
- DUB
1 stop17h 45m
Delta
sáb. 9/195:55 am
DUB
- ONT
2 stops19h 21m
Delta
Deal found 5/12![Delta logo]()
$910
This KLM deal was found by Cheapflights users on 5/13. 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.
vie. 11/67:00 am
ONT
- DUB
1 stop16h 45m
KLM
vie. 11/139:45 am
DUB
- ONT
1 stop16h 33m
KLM
Deal found 5/13![KLM logo]()
$925
This Icelandair deal was found by Cheapflights users on 5/15. 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.
mar. 11/1010:05 am
ONT
- DUB
2 stops16h 10m
Multiple Airlines
mié. 11/1811:30 am
DUB
- ONT
2 stops19h 24m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$953
This Delta deal was found by Cheapflights users on 5/12. 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.
mar. 9/87:00 am
ONT
- DUB
1 stop17h 45m
Delta
sáb. 9/195:55 am
DUB
- ONT
2 stops19h 21m
Delta
Deal found 5/12![Delta logo]()
$910
This Icelandair deal was found by Cheapflights users on 5/15. 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.
jue. 10/110:45 am
ONT
- DUB
2 stops16h 20m
Multiple Airlines
mié. 10/712:15 pm
DUB
- ONT
2 stops19h 27m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$970
This Icelandair deal was found by Cheapflights users on 5/14. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/34:03 pm
ONT
- DUB
2 stops35h 02m
Multiple Airlines
mar. 6/162:15 pm
DUB
- ONT
2 stops16h 56m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$1,033
This Icelandair deal was found by Cheapflights users on 5/12. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/3011:15 am
ONT
- DUB
2 stops15h 50m
Multiple Airlines
sáb. 6/132:15 pm
DUB
- ONT
2 stops16h 56m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$1,078
Last-minute flights from Ontario to DublinDiscover last-minute flight deals from Ontario to Dublin. Data last updated mayo 17, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Dublin. Data last updated mayo 17, 2026 and is based on user searches.
This SmartFares deal was found by Cheapflights users on 5/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/2610:41 pm
ONT
- DUB
1 stop26h 19m
JetBlue
mar. 6/911:30 am
DUB
- ONT
1 stop17h 17m
JetBlue
Deal found 5/12![JetBlue logo]()
$903
This Icelandair deal was found by Cheapflights users on 5/17. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/276:00 am
ONT
- DUB
2 stops23h 15m
Multiple Airlines
mié. 6/2412:15 pm
DUB
- ONT
2 stops18h 56m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$912
This KLM deal was found by Cheapflights users on 5/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/287:05 am
ONT
- DUB
1 stop17h 40m
KLM
jue. 6/115:55 am
DUB
- ONT
2 stops18h 46m
KLM
Deal found 5/14![KLM logo]()
$926
This Delta deal was found by Cheapflights users on 5/15. 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.
sáb. 5/3010:00 pm
ONT
- DUB
2 stops28h 00m
Delta
sáb. 6/201:15 pm
DUB
- ONT
2 stops27h 35m
Delta
Deal found 5/15![Delta logo]()
$944
This Ovago deal was found by Cheapflights users on 5/12. 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.
sáb. 5/3010:41 pm
ONT
- DUB
1 stop26h 19m
JetBlue
sáb. 6/1311:30 am
DUB
- ONT
1 stop18h 31m
JetBlue
Deal found 5/12![JetBlue logo]()
$961
This Delta deal was found by Cheapflights users on 5/17. 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.
dom. 5/317:05 am
ONT
- DUB
1 stop17h 40m
Delta
vie. 6/195:55 am
DUB
- ONT
2 stops24h 46m
Delta
Deal found 5/17![Delta logo]()
$937
This SmartFares deal was found by Cheapflights users on 5/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/110:41 pm
ONT
- DUB
1 stop26h 19m
JetBlue
lun. 6/1511:30 am
DUB
- ONT
1 stop19h 13m
JetBlue
Deal found 5/13![JetBlue logo]()
$963
This JetBlue deal was found by Cheapflights users on 5/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/110:41 pm
ONT
- DUB
1 stop26h 19m
JetBlue
mar. 6/1611:30 am
DUB
- ONT
1 stop19h 13m
JetBlue
Deal found 5/12![JetBlue logo]()
$977
This Icelandair deal was found by Cheapflights users on 5/14. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/36:00 am
ONT
- DUB
2 stops23h 15m
Multiple Airlines
mié. 6/1012:15 pm
DUB
- ONT
2 stops19h 36m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$913
This Justfly.com deal was found by Cheapflights users on 5/15. 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.
mar. 6/910:41 pm
ONT
- DUB
1 stop26h 19m
JetBlue
lun. 8/3111:30 am
DUB
- ONT
1 stop19h 05m
JetBlue
Deal found 5/15![JetBlue logo]()
$964
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 mayo 17, 2026.
Search for one-way flight options from Ontario to Dublin. Find affordable one-way fares based on user searches. Data last updated mayo 17, 2026.
This Super.com deal was found by Cheapflights users on 5/15. 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.
vie. 7/1011:50 pm
ONT
- DUB
1 stop25h 10m
JetBlue
Deal found 5/15![JetBlue logo]()
$427
This Super.com deal was found by Cheapflights users on 5/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/1411:50 pm
ONT
- DUB
1 stop25h 10m
JetBlue
Deal found 5/12![JetBlue logo]()
$428
This Super.com deal was found by Cheapflights users on 5/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/311:54 pm
ONT
- DUB
1 stop25h 06m
JetBlue
Deal found 5/13![JetBlue logo]()
$433
This Cheapflightsfares deal was found by Cheapflights users on 5/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/1711:50 pm
ONT
- DUB
1 stop25h 10m
JetBlue
Deal found 5/13![JetBlue logo]()
$443
This Justfly.com deal was found by Cheapflights users on 5/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/3111:50 pm
ONT
- DUB
1 stop25h 10m
JetBlue
Deal found 5/13![JetBlue logo]()
$448
This Kiwi.com deal was found by Cheapflights users on 5/15. 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.
vie. 8/144:03 pm
ONT
- DUB
3 stops58h 27m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$458
This Ovago deal was found by Cheapflights users on 5/12. 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.
vie. 5/2910:41 pm
ONT
- DUB
1 stop26h 19m
JetBlue
Deal found 5/12![JetBlue logo]()
$460
This Super.com deal was found by Cheapflights users on 5/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/511:54 pm
ONT
- DUB
1 stop25h 06m
JetBlue
Deal found 5/13![JetBlue logo]()
$465
This Priceline deal was found by Cheapflights users on 5/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/2810:41 pm
ONT
- DUB
1 stop26h 19m
JetBlue
Deal found 5/13![JetBlue logo]()
$483
This Icelandair deal was found by Cheapflights users on 5/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/217:10 am
ONT
- DUB
2 stops22h 05m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$487
This Icelandair deal was found by Cheapflights users on 5/13. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/72:14 pm
ONT
- DUB
2 stops36h 51m
Icelandair
Deal found 5/13![Icelandair logo]()
$490
This Super.com deal was found by Cheapflights users on 5/15. 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.
jue. 6/2511:58 pm
ONT
- DUB
1 stop25h 02m
JetBlue
Deal found 5/15![JetBlue logo]()
$492
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 mayo 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $848 (Air Canada) |
One-way from | $427 (Super.com) |
Popular in | June |
Cheapest in | February |
Average price | $902 |
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 mayo 17, 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
mié. 10/28
12:00 pm-7:45 am
1 stop12h 45m
Dublin
mié. 11/4
9:45 am-6:18 pm
1 stop16h 33m
$875
OntarioDublin
ONT - DUB
ONTDUB
Ontario
lun. 9/7
7:00 am-8:45 am
1 stop17h 45m
Dublin
sáb. 9/19
5:55 am-5:16 pm
2 stops19h 21m
$910
OntarioDublin
ONT - DUB
ONTDUB
Ontario
mié. 9/9
7:00 am-8:45 am
1 stop17h 45m
Dublin
sáb. 9/19
5:55 am-5:16 pm
2 stops19h 21m
$910
OntarioDublin
ONT - DUB
ONTDUB
Ontario
mar. 9/8
7:00 am-8:45 am
1 stop17h 45m
Dublin
sáb. 9/19
5:55 am-5:16 pm
2 stops19h 21m
$910
OntarioDublin
ONT - DUB
ONTDUB
Ontario
mar. 8/18
6:02 am-11:05 am
2 stops21h 03m
Dublin
mar. 9/1
2:15 pm-11:24 pm
2 stops17h 09m
$923
OntarioDublin
ONT - DUB
ONTDUB
Ontario
vie. 11/6
7:00 am-7:45 am
1 stop16h 45m
Dublin
vie. 11/13
9:45 am-6:18 pm
1 stop16h 33m
$925
OntarioDublin
ONT - DUB
ONTDUB
Ontario
dom. 8/16
7:00 am-9:45 am
1 stop18h 45m
Dublin
mié. 8/26
9:20 am-6:11 pm
2 stops40h 51m
$933
OntarioDublin
ONT - DUB
ONTDUB
Ontario
mar. 11/10
10:05 am-10:15 am
2 stops16h 10m
Dublin
mié. 11/18
11:30 am-10:54 pm
2 stops19h 24m
$953
OntarioDublin
ONT - DUB
ONTDUB
Ontario
jue. 10/1
10:45 am-11:05 am
2 stops16h 20m
Dublin
mié. 10/7
12:15 pm-11:42 pm
2 stops19h 27m
$970
OntarioDublin
ONT - DUB
ONTDUB
Ontario
mar. 9/8
11:50 pm-11:05 pm
2 stops39h 15m
Dublin
mar. 9/22
10:40 am-8:13 pm
2 stops41h 33m
$1,021
Showing 1-10 of 23 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 May.
| 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 mayo 17, 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.
Food
6.4
Comfort
7.2
Overall
7.1
Crew
7.9
Boarding
7.5
Entertainment
6.9
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Food
6.4
Comfort
7.2
Overall
7.1
Crew
7.9
Boarding
7.5
Entertainment
6.9
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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Complete your trip
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Other flights to Dublin
Explore flights to Dublin departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on mayo 17, 2026.
Search flights from Ontario to Dublin by cabin class
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Ontario and Dublin flights
Browse other Ontario and Dublin flight options. Last updated on mayo 17, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on mayo 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 mayo 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$683 | Average$975 | FlexibilityNo cancel fee | On-time71% |