$280+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
Aug 25 — Sep 11
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Europe with Cheapflights
1. Tell us where you want to go
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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 July 26, 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 July 26, 2026.
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/21:50 pm
ONT
- BCN
1 stop15h 30m
United Airlines
Fri 9/253:15 pm
BCN
- ONT
1 stop16h 34m
United Airlines
Deal found 7/22![United Airlines logo]()
$711
This United Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:46 am
ONT
- BCN
1 stop21h 29m
United Airlines
Fri 11/209:55 am
BCN
- ONT
2 stops19h 11m
United Airlines
Deal found 7/22![United Airlines logo]()
$714
This United Airlines deal was found by Cheapflights users on 7/21. 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 10/2011:10 am
ONT
- BCN
1 stop18h 10m
United Airlines
Thu 10/2910:30 am
BCN
- ONT
2 stops18h 26m
United Airlines
Deal found 7/21![United Airlines logo]()
$715
This United Airlines deal was found by Cheapflights users on 7/23. 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 11/245:00 am
ONT
- BCN
2 stops19h 35m
United Airlines
Tue 12/89:55 am
BCN
- ONT
2 stops22h 11m
United Airlines
Deal found 7/23![United Airlines logo]()
$717
This United Airlines deal was found by Cheapflights users on 7/21. 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.
Sat 9/121:56 pm
ONT
- BCN
2 stops33h 04m
United Airlines
Fri 9/2512:15 pm
BCN
- ONT
2 stops43h 34m
United Airlines
Deal found 7/21![United Airlines logo]()
$724
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:24 pm
ONT
- BCN
2 stops21h 21m
United Airlines
Wed 10/73:15 pm
BCN
- ONT
1 stop16h 34m
United Airlines
Deal found 7/23![United Airlines logo]()
$729
This United Airlines deal was found by Cheapflights users on 7/21. 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 11/96:46 am
ONT
- FRA
2 stops42h 19m
United Airlines
Thu 11/1210:05 am
FRA
- ONT
2 stops43h 51m
United Airlines
Deal found 7/21![United Airlines logo]()
$733
This United Airlines deal was found by Cheapflights users on 7/23. 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 12/65:00 am
ONT
- ATH
2 stops20h 00m
United Airlines
Thu 12/101:00 pm
ATH
- ONT
2 stops41h 20m
United Airlines
Deal found 7/23![United Airlines logo]()
$736
This lastminute.com deal was found by Cheapflights users on 7/21. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/228:25 am
ONT
- MAD
2 stops17h 50m
Iberia
Tue 10/67:30 am
MAD
- ONT
2 stops24h 10m
Iberia
Deal found 7/21![Iberia logo]()
$738
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/31:49 pm
ONT
- BCN
1 stop15h 31m
United Airlines
Wed 8/263:15 pm
BCN
- ONT
1 stop16h 20m
United Airlines
Deal found 7/22![United Airlines logo]()
$741
This Vliegwinkel deal was found by Cheapflights users on 7/23. 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.
Mon 8/1012:04 pm
ONT
- FCO
1 stop16h 11m
Alaska Airlines
Wed 8/263:15 pm
FCO
- ONT
1 stop31h 54m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$743
This lastminute.com deal was found by Cheapflights users on 7/24. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:25 am
ONT
- MAD
1 stop13h 40m
Iberia
Tue 10/67:30 am
MAD
- ONT
2 stops24h 10m
Iberia
Deal found 7/24![Iberia logo]()
$743
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 July 26, 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 July 26, 2026.
This British Airways deal was found by Cheapflights users on 7/23. 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 10/1110:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Wed 10/213:55 pm
MAD
- ONT
1 stop16h 57m
British Airways
Deal found 7/23![British Airways logo]()
$784
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sun 10/46:07 am
ONT
- MAD
2 stops16h 58m
United Airlines
Sun 10/1812:45 pm
MAD
- ONT
2 stops41h 13m
United Airlines
Deal found 7/24![United Airlines logo]()
$803
This Delta deal was found by Cheapflights users on 7/22. 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 12/3112:00 pm
ONT
- FCO
1 stop14h 20m
Delta
Tue 1/121:30 pm
FCO
- ONT
1 stop17h 44m
Delta
Deal found 7/22![Delta logo]()
$817
This KLM deal was found by Cheapflights users on 7/22. 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 11/137:00 am
ONT
- MAD
1 stop17h 55m
KLM
Tue 11/1711:55 am
MAD
- ONT
1 stop19h 19m
KLM
Deal found 7/22![KLM logo]()
$818
This Finnair deal was found by Cheapflights users on 7/24. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:00 am
ONT
- MAD
1 stop23h 25m
Multiple Airlines
Sun 10/1812:30 pm
MAD
- ONT
2 stops20h 22m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$839
This Qatar Airways deal was found by Cheapflights users on 7/25. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:12 pm
ONT
- IST
2 stops38h 03m
Qatar Airways
Fri 10/28:05 pm
IST
- ONT
2 stops31h 55m
Qatar Airways
Deal found 7/25![Qatar Airways logo]()
$1,047
This Turkish Airlines deal was found by Cheapflights users on 7/26. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:10 pm
ONT
- ZRH
2 stops32h 05m
Turkish Airlines
Tue 9/226:50 pm
ZRH
- ONT
2 stops34h 23m
Turkish Airlines
Deal found 7/26![Turkish Airlines logo]()
$1,075
This American Airlines deal was found by Cheapflights users on 7/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:25 am
ONT
- FRA
1 stop15h 20m
American Airlines
Tue 9/2910:55 am
FRA
- ONT
1 stop16h 58m
American Airlines
Deal found 7/25![American Airlines logo]()
$1,134
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 8/145:26 pm
ONT
- LHR
1 stop13h 39m
Alaska Airlines
Tue 8/255:00 pm
LHR
- ONT
1 stop26h 04m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$1,146
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:46 am
ONT
- ZRH
1 stop16h 09m
United Airlines
Wed 11/189:40 am
ZRH
- ONT
1 stop17h 49m
United Airlines
Deal found 7/23![United Airlines logo]()
$819
This United Airlines deal was found by Cheapflights users on 7/23. 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 11/176:46 am
ONT
- ZRH
1 stop16h 09m
United Airlines
Tue 11/249:40 am
ZRH
- ONT
1 stop17h 49m
United Airlines
Deal found 7/23![United Airlines logo]()
$819
This Icelandair deal was found by Cheapflights users on 7/24. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:13 pm
ONT
- CDG
2 stops17h 02m
Icelandair
Tue 10/132:00 pm
CDG
- ONT
2 stops18h 45m
Icelandair
Deal found 7/24![Icelandair logo]()
$1,854
This British Airways deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:00 am
ONT
- FRA
1 stop16h 15m
British Airways
Tue 12/1510:50 am
FRA
- ONT
1 stop19h 17m
British Airways
Deal found 7/20![British Airways logo]()
$937
This Condor deal was found by Cheapflights users on 7/22. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:40 am
ONT
- FRA
1 stop18h 35m
Multiple Airlines
Sat 9/511:25 am
FRA
- ONT
1 stop17h 59m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$950
This Delta deal was found by Cheapflights users on 7/24. 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.
Mon 12/2811:55 am
ONT
- LHR
1 stop14h 35m
Delta
Fri 1/812:20 pm
LHR
- ONT
1 stop18h 23m
Delta
Deal found 7/24![Delta logo]()
$955
This KLM deal was found by Cheapflights users on 7/21. 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 8/241:06 pm
ONT
- LHR
1 stop12h 54m
KLM
Wed 9/910:55 am
LHR
- ONT
1 stop13h 40m
KLM
Deal found 7/21![KLM logo]()
$970
This United Airlines deal was found by Cheapflights users on 7/21. 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 11/225:00 am
ONT
- ATH
2 stops20h 00m
United Airlines
Thu 11/266:40 am
ATH
- ONT
2 stops24h 16m
United Airlines
Deal found 7/21![United Airlines logo]()
$830
This Delta deal was found by Cheapflights users on 7/24. 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 10/911:15 pm
ONT
- FCO
2 stops23h 40m
Delta
Sun 11/111:45 am
FCO
- ONT
2 stops32h 23m
Delta
Deal found 7/24![Delta logo]()
$966
This KLM deal was found by Cheapflights users on 7/22. 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.
Thu 10/1512:18 pm
ONT
- MAD
1 stop14h 57m
KLM
Fri 10/239:50 am
MAD
- ONT
1 stop17h 23m
KLM
Deal found 7/22![KLM logo]()
$977
This British Airways deal was found by Cheapflights users on 7/24. 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.
Fri 10/1610:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Tue 10/2711:05 am
MAD
- ONT
1 stop15h 39m
British Airways
Deal found 7/24![British Airways logo]()
$977
This Icelandair deal was found by Cheapflights users on 7/25. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:25 am
ONT
- LHR
2 stops17h 30m
Multiple Airlines
Fri 10/161:05 pm
LHR
- ONT
2 stops17h 10m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$989
This Turkish Airlines deal was found by Cheapflights users on 7/24. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:10 pm
ONT
- FRA
2 stops35h 25m
Turkish Airlines
Tue 9/296:50 am
FRA
- ONT
2 stops46h 23m
Turkish Airlines
Deal found 7/24![Turkish Airlines logo]()
$1,119
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:00 am
ONT
- ZRH
2 stops26h 35m
United Airlines
Wed 11/49:40 am
ZRH
- ONT
1 stop17h 49m
United Airlines
Deal found 7/21![United Airlines logo]()
$841
This Qatar Airways deal was found by Cheapflights users on 7/22. 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.
Fri 11/206:00 am
ONT
- IST
2 stops38h 00m
Qatar Airways
Sun 11/298:10 pm
IST
- ONT
2 stops37h 54m
Qatar Airways
Deal found 7/22![Qatar Airways logo]()
$1,188
This British Airways deal was found by Cheapflights users on 7/22. 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 9/166:00 am
ONT
- FRA
1 stop17h 45m
British Airways
Fri 9/2510:55 am
FRA
- ONT
1 stop18h 14m
British Airways
Deal found 7/22![British Airways logo]()
$997
This Delta deal was found by Cheapflights users on 7/22. 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.
Tue 1/57:00 am
ONT
- FCO
1 stop19h 20m
Delta
Thu 1/71:30 pm
FCO
- ONT
1 stop17h 44m
Delta
Deal found 7/22![Delta logo]()
$1,002
This Condor deal was found by Cheapflights users on 7/24. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:40 am
ONT
- CDG
2 stops26h 10m
Multiple Airlines
Sat 9/58:25 am
CDG
- ONT
2 stops22h 34m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$1,016
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Tue 9/87:00 am
ONT
- FCO
1 stop15h 55m
United Airlines
Tue 9/1511:30 am
FCO
- ONT
2 stops41h 31m
United Airlines
Deal found 7/25![United Airlines logo]()
$842
This Qatar Airways deal was found by Cheapflights users on 7/21. 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.
Fri 9/412:00 pm
ONT
- IST
2 stops32h 20m
Qatar Airways
Sun 9/138:05 pm
IST
- ONT
2 stops32h 58m
Qatar Airways
Deal found 7/21![Qatar Airways logo]()
$1,201
This Turkish Airlines deal was found by Cheapflights users on 7/23. 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 9/209:10 pm
ONT
- ATH
2 stops37h 20m
Turkish Airlines
Sun 9/2710:00 pm
ATH
- ONT
2 stops32h 13m
Turkish Airlines
Deal found 7/23![Turkish Airlines logo]()
$1,210
Last-minute flights from Ontario to EuropeDiscover last-minute flight deals from Ontario to Europe. Data last updated July 26, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Europe. Data last updated July 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/21:50 pm
ONT
- BCN
1 stop15h 30m
United Airlines
Fri 9/253:15 pm
BCN
- ONT
1 stop16h 34m
United Airlines
Deal found 7/22![United Airlines logo]()
$711
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/31:49 pm
ONT
- BCN
1 stop15h 31m
United Airlines
Wed 8/263:15 pm
BCN
- ONT
1 stop16h 20m
United Airlines
Deal found 7/22![United Airlines logo]()
$741
This United Airlines deal was found by Cheapflights users on 7/21. 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 8/31:18 pm
ONT
- FCO
1 stop14h 02m
United Airlines
Wed 8/192:20 pm
FCO
- ONT
1 stop15h 33m
United Airlines
Deal found 7/21![United Airlines logo]()
$768
This flugladen.de deal was found by Cheapflights users on 7/25. 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 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 7/25![Alaska Airlines logo]()
$759
This Kissandfly.com deal was found by Cheapflights users on 7/22. 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.
Sat 8/81:50 pm
ONT
- BCN
1 stop15h 30m
Lufthansa
Fri 8/214:10 pm
BCN
- ONT
1 stop15h 49m
Lufthansa
Deal found 7/22![Lufthansa logo]()
$779
This Trip.com deal was found by Cheapflights users on 7/23. 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 8/912:08 pm
ONT
- FCO
1 stop16h 07m
Alaska Airlines
Tue 8/253:15 pm
FCO
- ONT
1 stop36h 48m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$770
This British Airways deal was found by Cheapflights users on 7/24. 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 8/910:29 am
ONT
- FCO
1 stop16h 36m
British Airways
Tue 8/251:10 pm
FCO
- ONT
1 stop18h 49m
British Airways
Deal found 7/24![British Airways logo]()
$780
This Vliegwinkel deal was found by Cheapflights users on 7/23. 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.
Mon 8/1012:04 pm
ONT
- FCO
1 stop16h 11m
Alaska Airlines
Wed 8/263:15 pm
FCO
- ONT
1 stop31h 54m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$743
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/101:18 pm
ONT
- FCO
1 stop14h 02m
United Airlines
Wed 8/262:20 pm
FCO
- ONT
1 stop15h 33m
United Airlines
Deal found 7/22![United Airlines logo]()
$772
This flugladen.de deal was found by Cheapflights users on 7/22. 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 stop28h 49m
Alaska Airlines
Deal found 7/22![Alaska Airlines logo]()
$758
This flugladen.de deal was found by Cheapflights users on 7/23. 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 8/1212:04 pm
ONT
- FCO
1 stop16h 11m
Alaska Airlines
Wed 8/263:15 pm
FCO
- ONT
1 stop31h 54m
Alaska Airlines
Deal found 7/23![Alaska Airlines logo]()
$754
This British Airways deal was found by Cheapflights users on 7/21. 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 8/1912:33 pm
ONT
- FCO
1 stop14h 32m
British Airways
Wed 8/261:10 pm
FCO
- ONT
1 stop18h 49m
British Airways
Deal found 7/21![British Airways logo]()
$777
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 July 26, 2026.
Search for one-way flight options from Ontario to Europe. Find affordable one-way fares based on user searches. Data last updated July 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:05 pm
ONT
- LHR
3 stops31h 00m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:56 pm
ONT
- FRA
2 stops56h 04m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$298
This Cheapflightsfares deal was found by Cheapflights users on 7/22. 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.
Wed 11/412:42 pm
ONT
- LHR
1 stop13h 18m
British Airways
Deal found 7/22![British Airways logo]()
$319
This Cheapflightsfares deal was found by Cheapflights users on 7/21. 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.
Mon 8/177:05 am
ONT
- ATH
1 stop18h 40m
British Airways
Deal found 7/21![British Airways logo]()
$319
This Booking.com deal was found by Cheapflights users on 7/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:42 pm
ONT
- LHR
1 stop13h 18m
British Airways
Deal found 7/22![British Airways logo]()
$321
This Cheapflightsfares deal was found by Cheapflights users on 7/22. 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 10/201:05 pm
ONT
- LHR
1 stop13h 25m
British Airways
Deal found 7/22![British Airways logo]()
$322
This oojo deal was found by Cheapflights users on 7/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:29 pm
ONT
- LHR
1 stop12h 46m
British Airways
Deal found 7/25![British Airways logo]()
$323
This KLM deal was found by Cheapflights users on 7/24. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:18 pm
ONT
- LHR
1 stop13h 42m
KLM
Deal found 7/24![KLM logo]()
$324
This Expedia deal was found by Cheapflights users on 7/22. 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.
Wed 11/181:00 pm
ONT
- LHR
1 stop13h 00m
Virgin Atlantic
Deal found 7/22![Virgin Atlantic logo]()
$326
This American Airlines deal was found by Cheapflights users on 7/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:59 pm
ONT
- ATH
2 stops20h 06m
American Airlines
Deal found 7/25![American Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 7/24. 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 12/296:45 am
ONT
- LHR
1 stop15h 10m
United Airlines
Deal found 7/24![United Airlines logo]()
$329
This Booking.com deal was found by Cheapflights users on 7/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:13 am
ONT
- LHR
1 stop19h 52m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$330
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 July 26, 2026.
Round-trip from | $714 (United Airlines) |
|---|---|
One-way from | $280 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,294 |
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 July 26, 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
Sun 10/11
10:25 am-9:05 am
1 stop13h 40m
Madrid Barajas
Wed 10/21
3:55 pm-11:52 pm
1 stop16h 57m
$784
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sun 10/4
6:07 am-8:05 am
2 stops16h 58m
Madrid Barajas
Sun 10/18
12:45 pm-8:58 pm
2 stops41h 13m
$803
OntarioRome
ONT - FCO
ONTFCO
Ontario
Thu 12/31
12:00 pm-11:20 am
1 stop14h 20m
Rome Fiumicino
Tue 1/12
1:30 pm-10:14 pm
1 stop17h 44m
$817
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Fri 11/13
7:00 am-9:55 am
1 stop17h 55m
Madrid Barajas
Tue 11/17
11:55 am-10:14 pm
1 stop19h 19m
$818
OntarioZurich
ONT - ZRH
ONTZRH
Ontario
Wed 11/11
6:46 am-7:55 am
1 stop16h 09m
Zurich
Wed 11/18
9:40 am-6:29 pm
1 stop17h 49m
$819
OntarioZurich
ONT - ZRH
ONTZRH
Ontario
Tue 11/17
6:46 am-7:55 am
1 stop16h 09m
Zurich
Tue 11/24
9:40 am-6:29 pm
1 stop17h 49m
$819
OntarioAthens
ONT - ATH
ONTATH
Ontario
Sun 11/22
5:00 am-11:00 am
2 stops20h 00m
Athens Eleftherios V.
Thu 11/26
6:40 am-8:56 pm
2 stops24h 16m
$830
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sun 10/4
6:00 am-2:25 pm
1 stop23h 25m
Madrid Barajas
Sun 10/18
12:30 pm-11:52 pm
2 stops20h 22m
$839
OntarioZurich
ONT - ZRH
ONTZRH
Ontario
Wed 10/21
5:00 am-4:35 pm
2 stops26h 35m
Zurich
Wed 11/4
9:40 am-6:29 pm
1 stop17h 49m
$841
OntarioRome
ONT - FCO
ONTFCO
Ontario
Tue 9/8
7:00 am-7:55 am
1 stop15h 55m
Rome Fiumicino
Tue 9/15
11:30 am-8:01 pm
2 stops41h 31m
$842
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-BCN
ONT-FCO
ONT-MAD
ONT-IST
ONT-ZRH
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-BCN
ONT-FCO
ONT-MAD
ONT-IST
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 July 26, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican 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.
Overall
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
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
See prices for flight routes from nearby airports that may be better suited for you.
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 July 26, 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 July 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$469 | Average$646 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$504 | Average$834 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$515 | Average$956 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$522 | Average$687 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$535 | Average$1,027 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$620 | Average$650 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$657 | Average$1,321 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$931 | Average$1,592 | FlexibilityNo cancel fee | On-time75% |