$131+ Cheap flights from Ontario (ONT) to Europe
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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
Aug 31 — Sep 71
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Europe with Cheapflights
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Cheapest flights from Ontario to EuropeExplore the most affordable flight options available from Ontario to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.
Explore the most affordable flight options available from Ontario to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:37 pm
ONT
- DUB
1 stop13h 08m
Iberia
Wed 10/712:40 pm
DUB
- ONT
1 stop16h 31m
Iberia
Deal found 7/28![Iberia logo]()
$365
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:05 am
ONT
- ATH
1 stop18h 40m
Iberia
Sat 8/222:00 pm
ATH
- ONT
1 stop18h 59m
Iberia
Deal found 7/28![Iberia logo]()
$540
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:00 am
ONT
- FCO
1 stop18h 45m
Iberia
Tue 11/171:00 pm
FCO
- ONT
1 stop18h 57m
Iberia
Deal found 7/28![Iberia logo]()
$542
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:05 am
ONT
- MAD
1 stop17h 00m
British Airways
Thu 9/173:55 pm
MAD
- ONT
1 stop16h 41m
British Airways
Deal found 7/28![British Airways logo]()
$602
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/811:59 pm
ONT
- FCO
1 stop25h 46m
Multiple Airlines
Sun 11/151:00 pm
FCO
- ONT
1 stop17h 32m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$659
This Expedia deal was found by Cheapflights users on 7/29. 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.
Tue 9/111:59 pm
ONT
- DUB
1 stop25h 01m
JetBlue
Fri 9/411:30 am
DUB
- ONT
1 stop19h 08m
JetBlue
Deal found 7/29![JetBlue logo]()
$718
This JetBlue deal was found by Cheapflights users on 7/29. 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.
Mon 8/2411:59 pm
ONT
- DUB
1 stop25h 01m
JetBlue
Wed 9/911:30 am
DUB
- ONT
1 stop17h 27m
JetBlue
Deal found 7/29![JetBlue logo]()
$730
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 11/97:00 am
ONT
- FRA
2 stops44h 05m
United Airlines
Thu 11/1210:05 am
FRA
- ONT
2 stops43h 46m
United Airlines
Deal found 7/28![United Airlines logo]()
$733
This JetBlue deal was found by Cheapflights users on 7/30. 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.
Mon 8/1711:59 pm
ONT
- DUB
1 stop25h 01m
JetBlue
Wed 9/211:30 am
DUB
- ONT
1 stop19h 07m
JetBlue
Deal found 7/30![JetBlue logo]()
$733
This United Airlines deal was found by Cheapflights users on 7/29. 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 11/96:37 pm
ONT
- LHR
1 stop28h 48m
United Airlines
Thu 11/126:50 am
LHR
- ONT
2 stops19h 57m
United Airlines
Deal found 7/29![United Airlines logo]()
$736
This Vliegwinkel deal was found by Cheapflights users on 7/29. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/912:08 pm
ONT
- FCO
1 stop16h 07m
Alaska Airlines
Tue 8/253:15 pm
FCO
- ONT
1 stop31h 54m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$737
This Expedia deal was found by Cheapflights users on 7/30. 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.
Mon 11/1610:30 am
ONT
- FCO
1 stop15h 15m
British Airways
Fri 11/201:00 pm
FCO
- ONT
1 stop17h 39m
British Airways
Deal found 7/30![British Airways logo]()
$739
Best flights from Ontario to EuropeDiscover carefully curated flight deals from Ontario to Europe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 2026.
Discover carefully curated flight deals from Ontario to Europe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 1, 2026.
This Finnair deal was found by Cheapflights users on 7/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:22 pm
ONT
- MAD
1 stop15h 03m
Multiple Airlines
Thu 10/812:30 pm
MAD
- ONT
2 stops20h 22m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$807
This United Airlines deal was found by Cheapflights users on 7/31. 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 10/127:00 am
ONT
- ATH
1 stop17h 35m
United Airlines
Tue 10/2012:35 pm
ATH
- ONT
1 stop20h 14m
United Airlines
Deal found 7/31![United Airlines logo]()
$843
This KLM deal was found by Cheapflights users on 7/29. 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.
Wed 11/187:00 am
ONT
- DUB
1 stop16h 45m
KLM
Wed 11/259:40 am
DUB
- ONT
1 stop19h 06m
KLM
Deal found 7/29![KLM logo]()
$874
This Delta deal was found by Cheapflights users on 7/30. 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 10/47:05 am
ONT
- DUB
1 stop17h 40m
Delta
Tue 11/39:40 am
DUB
- ONT
1 stop17h 50m
Delta
Deal found 7/30![Delta logo]()
$874
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:00 pm
ONT
- LHR
1 stop16h 20m
Alaska Airlines
Wed 12/92:45 pm
LHR
- ONT
1 stop15h 54m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$876
This Icelandair deal was found by Cheapflights users on 7/30. 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.
Wed 10/72:13 pm
ONT
- DUB
2 stops36h 52m
Icelandair
Thu 10/2911:30 am
DUB
- ONT
2 stops19h 12m
Icelandair
Deal found 7/30![Icelandair logo]()
$949
This British Airways deal was found by Cheapflights users on 7/31. 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.
Wed 10/710:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Tue 10/1312:40 pm
MAD
- ONT
1 stop16h 14m
British Airways
Deal found 7/31![British Airways logo]()
$969
This Qatar Airways deal was found by Cheapflights users on 7/28. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:02 am
ONT
- IST
2 stops38h 18m
Qatar Airways
Thu 10/228:05 pm
IST
- ONT
2 stops31h 55m
Qatar Airways
Deal found 7/28![Qatar Airways logo]()
$982
This JetBlue deal was found by Cheapflights users on 7/31. 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.
Fri 9/1810:39 pm
ONT
- LHR
1 stop14h 06m
JetBlue
Sat 9/268:15 am
LHR
- ONT
1 stop20h 42m
JetBlue
Deal found 7/31![JetBlue logo]()
$1,004
This Turkish Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 9/2010:39 pm
ONT
- BCN
2 stops34h 01m
Turkish Airlines
Sun 10/47:40 am
BCN
- ONT
2 stops46h 20m
Turkish Airlines
Deal found 7/31![Turkish Airlines logo]()
$1,081
This United Airlines deal was found by Cheapflights users on 7/31. 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 10/117:00 am
ONT
- ATH
1 stop17h 35m
United Airlines
Tue 10/2012:35 pm
ATH
- ONT
1 stop20h 14m
United Airlines
Deal found 7/31![United Airlines logo]()
$843
This Delta deal was found by Cheapflights users on 7/31. 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 9/1912:17 pm
ONT
- BCN
2 stops35h 18m
Delta
Thu 10/111:00 am
BCN
- ONT
1 stop20h 24m
Delta
Deal found 7/31![Delta logo]()
$877
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:02 am
ONT
- FCO
1 stop22h 13m
Alaska Airlines
Sun 8/163:15 pm
FCO
- ONT
1 stop16h 56m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$887
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/217:00 am
ONT
- BCN
1 stop21h 15m
United Airlines
Wed 9/301:15 pm
BCN
- ONT
2 stops42h 34m
United Airlines
Deal found 7/31![United Airlines logo]()
$857
This Icelandair deal was found by Cheapflights users on 7/30. 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 10/2611:13 am
ONT
- DUB
2 stops16h 02m
Multiple Airlines
Wed 11/411:30 am
DUB
- ONT
2 stops19h 24m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$947
This Icelandair deal was found by Cheapflights users on 7/30. 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.
Tue 10/62:13 pm
ONT
- DUB
2 stops39h 02m
Icelandair
Fri 10/3011:30 am
DUB
- ONT
2 stops19h 12m
Icelandair
Deal found 7/30![Icelandair logo]()
$956
This KLM deal was found by Cheapflights users on 7/30. 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 9/2012:19 pm
ONT
- FCO
1 stop15h 21m
KLM
Thu 10/19:45 am
FCO
- ONT
1 stop17h 22m
KLM
Deal found 7/30![KLM logo]()
$960
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:56 am
ONT
- BCN
2 stops20h 14m
Delta
Thu 11/1210:50 am
BCN
- ONT
1 stop16h 41m
Delta
Deal found 7/28![Delta logo]()
$881
This British Airways deal was found by Cheapflights users on 7/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2110:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Tue 10/612:40 pm
MAD
- ONT
1 stop16h 14m
British Airways
Deal found 7/28![British Airways logo]()
$980
This Qatar Airways deal was found by Cheapflights users on 7/31. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:12 pm
ONT
- IST
2 stops32h 08m
Qatar Airways
Tue 9/228:05 pm
IST
- ONT
2 stops32h 58m
Qatar Airways
Deal found 7/31![Qatar Airways logo]()
$982
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 10/191:52 pm
ONT
- BCN
1 stop15h 28m
United Airlines
Tue 11/173:10 pm
BCN
- ONT
3 stops38h 41m
United Airlines
Deal found 7/28![United Airlines logo]()
$882
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:02 am
ONT
- LHR
1 stop25h 03m
Alaska Airlines
Thu 9/175:00 pm
LHR
- ONT
1 stop14h 24m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$974
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:05 am
ONT
- ATH
1 stop17h 55m
Delta
Fri 9/49:45 am
ATH
- ONT
1 stop22h 07m
Delta
Deal found 7/28![Delta logo]()
$894
This Qatar Airways deal was found by Cheapflights users on 7/28. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:02 am
ONT
- IST
2 stops50h 33m
Qatar Airways
Fri 10/28:05 pm
IST
- ONT
2 stops31h 55m
Qatar Airways
Deal found 7/28![Qatar Airways logo]()
$984
This JetBlue deal was found by Cheapflights users on 7/29. 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.
Sat 8/1511:13 pm
ONT
- LHR
1 stop13h 32m
JetBlue
Sat 8/228:15 am
LHR
- ONT
1 stop21h 44m
JetBlue
Deal found 7/29![JetBlue logo]()
$1,116
This Icelandair deal was found by Cheapflights users on 7/27. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:45 am
ONT
- DUB
2 stops18h 30m
Multiple Airlines
Fri 10/912:15 pm
DUB
- ONT
2 stops19h 39m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$1,017
This British Airways deal was found by Cheapflights users on 7/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:05 pm
ONT
- LHR
1 stop13h 25m
British Airways
Mon 11/21:50 pm
LHR
- ONT
1 stop15h 42m
British Airways
Deal found 7/27![British Airways logo]()
$1,033
This Turkish Airlines deal was found by Cheapflights users on 7/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:39 pm
ONT
- FRA
2 stops54h 01m
Turkish Airlines
Thu 9/243:10 pm
FRA
- ONT
2 stops62h 47m
Turkish Airlines
Deal found 7/28![Turkish Airlines logo]()
$1,166
This United Airlines deal was found by Cheapflights users on 7/28. 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 10/187:00 am
ONT
- BCN
1 stop21h 15m
United Airlines
Tue 11/173:10 pm
BCN
- ONT
1 stop36h 37m
United Airlines
Deal found 7/28![United Airlines logo]()
$885
This Icelandair deal was found by Cheapflights users on 7/30. 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 10/13:14 pm
ONT
- DUB
2 stops38h 01m
Icelandair
Thu 10/2911:30 am
DUB
- ONT
2 stops19h 12m
Icelandair
Deal found 7/30![Icelandair logo]()
$1,073
Last-minute flights from Ontario to EuropeDiscover last-minute flight deals from Ontario to Europe. Data last updated August 1, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Europe. Data last updated August 1, 2026 and is based on user searches.
This flugladen.de deal was found by Cheapflights users on 7/28. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:04 pm
ONT
- FCO
1 stop16h 11m
Alaska Airlines
Wed 8/193:15 pm
FCO
- ONT
1 stop28h 49m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$753
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:05 am
ONT
- ATH
1 stop18h 40m
Iberia
Sat 8/222:00 pm
ATH
- ONT
1 stop18h 59m
Iberia
Deal found 7/28![Iberia logo]()
$540
This Vliegwinkel deal was found by Cheapflights users on 7/29. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/912:08 pm
ONT
- FCO
1 stop16h 07m
Alaska Airlines
Tue 8/253:15 pm
FCO
- ONT
1 stop31h 54m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$737
This Kissandfly.com deal was found by Cheapflights users on 7/29. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/91:18 pm
ONT
- FCO
1 stop14h 02m
Lufthansa
Tue 8/252:20 pm
FCO
- ONT
1 stop15h 33m
Lufthansa
Deal found 7/29![Lufthansa logo]()
$762
This flugladen.de deal was found by Cheapflights users on 7/27. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:04 pm
ONT
- FCO
1 stop16h 11m
Alaska Airlines
Tue 8/253:15 pm
FCO
- ONT
1 stop31h 54m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$759
This Air Canada deal was found by Cheapflights users on 7/30. 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.
Sun 8/161:18 pm
ONT
- FCO
2 stops34h 57m
Air Canada
Wed 8/262:20 pm
FCO
- ONT
2 stops31h 30m
Air Canada
Deal found 7/30![Air Canada logo]()
$765
This JetBlue deal was found by Cheapflights users on 7/30. 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.
Mon 8/1711:59 pm
ONT
- DUB
1 stop25h 01m
JetBlue
Wed 9/211:30 am
DUB
- ONT
1 stop19h 07m
JetBlue
Deal found 7/30![JetBlue logo]()
$733
This Air Canada deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:00 am
ONT
- FCO
2 stops19h 15m
Multiple Airlines
Wed 8/262:20 pm
FCO
- ONT
2 stops31h 30m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$760
This flugladen.de deal was found by Cheapflights users on 7/29. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:04 pm
ONT
- FCO
1 stop16h 11m
Alaska Airlines
Tue 9/13:15 pm
FCO
- ONT
1 stop36h 48m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$748
This flugladen.de deal was found by Cheapflights users on 7/28. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:00 pm
ONT
- FCO
1 stop16h 15m
Alaska Airlines
Wed 9/23:15 pm
FCO
- ONT
1 stop28h 49m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$752
This JetBlue deal was found by Cheapflights users on 7/29. 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.
Mon 8/2411:59 pm
ONT
- DUB
1 stop25h 01m
JetBlue
Wed 9/911:30 am
DUB
- ONT
1 stop17h 27m
JetBlue
Deal found 7/29![JetBlue logo]()
$730
This Expedia deal was found by Cheapflights users on 7/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:33 pm
ONT
- ATH
2 stops20h 32m
British Airways
Thu 9/32:05 pm
ATH
- ONT
1 stop18h 54m
British Airways
Deal found 7/28![British Airways logo]()
$779
One-way flights from Ontario to EuropeSearch for one-way flight options from Ontario to Europe. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
Search for one-way flight options from Ontario to Europe. Find affordable one-way fares based on user searches. Data last updated August 1, 2026.
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:05 am
ONT
- AMS
1 stop16h 35m
Iberia
Deal found 7/28![Iberia logo]()
$131
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:25 am
ONT
- CDG
1 stop14h 20m
Iberia
Deal found 7/28![Iberia logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 10/175:05 pm
ONT
- LHR
3 stops31h 00m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$282
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:17 pm
ONT
- FRA
2 stops28h 08m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$284
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/710:29 am
ONT
- MAD
1 stop13h 36m
Iberia
Deal found 7/28![Iberia logo]()
$286
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:17 pm
ONT
- FRA
2 stops28h 08m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$296
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:05 am
ONT
- CDG
1 stop17h 55m
Iberia
Deal found 7/28![Iberia logo]()
$299
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:33 pm
ONT
- FCO
1 stop14h 32m
Iberia
Deal found 7/28![Iberia logo]()
$299
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:00 am
ONT
- AMS
2 stops25h 05m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$309
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am
ONT
- AMS
2 stops22h 00m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$310
This Trip.com deal was found by Cheapflights users on 7/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:00 am
ONT
- AMS
2 stops22h 00m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$312
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:00 am
ONT
- AMS
2 stops22h 00m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$317
Find flight deals from Ontario to Europe
Keep the following information in mind while searching for Ontario to Europe flight deals. Data was last updated August 1, 2026.
Round-trip from | $365 (Trip.com) |
|---|---|
One-way from | $131 (Trip.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,074 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Europe 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 August 1, 2026.
Use the filters below to find and compare flights from Ontario to Europe that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Thu 9/24
2:22 pm-2:25 pm
1 stop15h 03m
Madrid Barajas
Thu 10/8
12:30 pm-11:52 pm
2 stops20h 22m
$807
OntarioAthens
ONT - ATH
ONTATH
Ontario
Mon 10/12
7:00 am-10:35 am
1 stop17h 35m
Athens Eleftherios V.
Tue 10/20
12:35 pm-10:49 pm
1 stop20h 14m
$843
OntarioAthens
ONT - ATH
ONTATH
Ontario
Sun 10/11
7:00 am-10:35 am
1 stop17h 35m
Athens Eleftherios V.
Tue 10/20
12:35 pm-10:49 pm
1 stop20h 14m
$843
OntarioBarcelona
ONT - BCN
ONTBCN
Ontario
Mon 9/21
7:00 am-1:15 pm
1 stop21h 15m
Barcelona-El Prat
Wed 9/30
1:15 pm-10:49 pm
2 stops42h 34m
$857
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Wed 11/18
7:00 am-7:45 am
1 stop16h 45m
Dublin
Wed 11/25
9:40 am-8:46 pm
1 stop19h 06m
$874
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Sun 10/4
7:05 am-8:45 am
1 stop17h 40m
Dublin
Tue 11/3
9:40 am-7:30 pm
1 stop17h 50m
$874
OntarioLondon
ONT - LHR
ONTLHR
Ontario
Wed 12/2
12:00 pm-12:20 pm
1 stop16h 20m
London Heathrow
Wed 12/9
2:45 pm-10:39 pm
1 stop15h 54m
$876
OntarioBarcelona
ONT - BCN
ONTBCN
Ontario
Sat 9/19
12:17 pm-8:35 am
2 stops35h 18m
Barcelona-El Prat
Thu 10/1
11:00 am-10:24 pm
1 stop20h 24m
$877
OntarioBarcelona
ONT - BCN
ONTBCN
Ontario
Mon 10/19
11:56 am-5:10 pm
2 stops20h 14m
Barcelona-El Prat
Thu 11/12
10:50 am-6:31 pm
1 stop16h 41m
$881
OntarioBarcelona
ONT - BCN
ONTBCN
Ontario
Mon 10/19
1:52 pm-2:20 pm
1 stop15h 28m
Barcelona-El Prat
Tue 11/17
3:10 pm-8:51 pm
3 stops38h 41m
$882
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Europe
Have a flexible travel schedule? Discover the best time to fly to Europe from Ontario with our price prediction graph.
ONT-MAD
ONT-ATH
ONT-DUB
ONT-LHR
ONT-IST
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.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Europe
ONT-EU0
ONT-MAD
ONT-ATH
ONT-DUB
ONT-LHR
What is the cheapest month to book a flight from Ontario to Europe?
Currently, January is the cheapest month in which you can book a flight from Ontario to Europe (average of $688). Flying from Ontario to Europe in June is currently the most expensive (average of $1,385). 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.
Reviews of airlines servicing Europe
Get insights into the airlines that provide service to Europe. 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 Europe. Reviews last updated August 1, 2026.
See what other customers who have flown with Delta,Virgin Atlantic, andUnited Airlines from Ontario to Europe have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Overall
7.8
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Overall
7.8
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Overall
7.8
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Overall
7.8
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Overall
7.8
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Overall
7.8
Entertainment
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Ontario to Europe. 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 Europe
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Complete your trip
Complete your trip to Europe by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Europe by cabin class
Find flights from Ontario to Europe, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Europe flights
Browse other Ontario and Europe flight options. Last updated on August 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Europe countries
Consider these flights traveling to countries located in Europe.
Ontario to Europe flights
Consider these flights traveling from Ontario to Europe.
Top 8 airlines flying from Ontario to Europe
Discover the top 8 airlines that operate flights from Ontario to Europe. 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 August 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$329 | Average$817 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$439 | Average$734 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$469 | Average$646 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$515 | Average$962 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$522 | Average$638 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$535 | Average$1,035 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$657 | Average$1,321 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$931 | Average$1,592 | FlexibilityNo cancel fee | On-time75% |