$213+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
Jul 11 — Jul 181
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 June 11, 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 June 11, 2026.
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:55 am
ONT
- IST
2 stops22h 00m
Delta
Fri 11/67:15 am
IST
- ONT
2 stops19h 57m
Delta
Deal found 6/7![Delta logo]()
$704
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 11/85:00 am
ONT
- FCO
1 stop21h 55m
United Airlines
Wed 11/181:15 pm
FCO
- ONT
2 stops42h 11m
United Airlines
Deal found 6/7![United Airlines logo]()
$707
This Air Canada deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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.
Wed 11/187:00 am
ONT
- FCO
2 stops16h 55m
Multiple Airlines
Wed 11/251:15 pm
FCO
- ONT
2 stops42h 11m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$711
This KLM deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 am
ONT
- MXP
1 stop19h 10m
KLM
Tue 11/171:05 pm
MXP
- ONT
1 stop18h 09m
KLM
Deal found 6/9![KLM logo]()
$712
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 11/171:00 pm
ONT
- FCO
1 stop13h 55m
United Airlines
Thu 11/2611:15 am
FCO
- ONT
2 stops44h 11m
United Airlines
Deal found 6/8![United Airlines logo]()
$712
This KLM deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 12/97:00 am
ONT
- FCO
1 stop16h 15m
KLM
Wed 12/231:30 pm
FCO
- ONT
1 stop17h 44m
KLM
Deal found 6/8![KLM logo]()
$713
This oojo deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 am
ONT
- FCO
1 stop18h 45m
British Airways
Tue 11/241:00 pm
FCO
- ONT
1 stop19h 57m
British Airways
Deal found 6/9![British Airways logo]()
$714
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 am
ONT
- MXP
2 stops18h 05m
United Airlines
Tue 11/243:05 pm
MXP
- ONT
1 stop16h 21m
United Airlines
Deal found 6/9![United Airlines logo]()
$715
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:00 am
ONT
- MXP
2 stops17h 30m
United Airlines
Wed 11/253:05 pm
MXP
- ONT
1 stop16h 21m
United Airlines
Deal found 6/10![United Airlines logo]()
$716
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 11/2312:00 pm
ONT
- FCO
1 stop14h 20m
Delta
Wed 12/91:30 pm
FCO
- ONT
1 stop17h 44m
Delta
Deal found 6/6![Delta logo]()
$717
This oojo deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/412:35 pm
ONT
- FCO
1 stop14h 30m
British Airways
Thu 8/271:10 pm
FCO
- ONT
1 stop18h 49m
British Airways
Deal found 6/11![British Airways logo]()
$719
This Travelocity deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:00 am
ONT
- FCO
2 stops20h 55m
Air Canada
Thu 11/2611:15 am
FCO
- ONT
2 stops39h 32m
Air Canada
Deal found 6/8![Air Canada logo]()
$720
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 June 11, 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 June 11, 2026.
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/61:00 pm
ONT
- FCO
2 stops25h 00m
United Airlines
Thu 12/1011:15 am
FCO
- ONT
2 stops42h 05m
United Airlines
Deal found 6/10![United Airlines logo]()
$754
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 10/291:00 pm
ONT
- IST
2 stops18h 55m
Delta
Fri 11/67:15 am
IST
- ONT
2 stops19h 57m
Delta
Deal found 6/7![Delta logo]()
$817
This KLM deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:00 am
ONT
- FCO
1 stop18h 10m
KLM
Sat 10/242:45 pm
FCO
- ONT
1 stop36h 33m
KLM
Deal found 6/10![KLM logo]()
$855
This Alaska Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 11/412:00 pm
ONT
- LHR
1 stop16h 20m
Alaska Airlines
Tue 11/102:45 pm
LHR
- ONT
1 stop16h 09m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$877
This British Airways deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Mon 10/53:55 pm
MAD
- ONT
1 stop16h 11m
British Airways
Deal found 6/9![British Airways logo]()
$917
This KLM deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 8/177:05 am
ONT
- ATH
1 stop17h 55m
Multiple Airlines
Mon 8/316:35 pm
ATH
- ONT
2 stops31h 49m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$940
This Virgin Atlantic deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3011:59 am
ONT
- LHR
1 stop19h 36m
Virgin Atlantic
Mon 8/248:55 pm
LHR
- ONT
2 stops27h 29m
Virgin Atlantic
Deal found 6/6![Virgin Atlantic logo]()
$945
This Iberia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:33 pm
ONT
- DUB
1 stop13h 12m
Iberia
Sat 8/2212:40 pm
DUB
- ONT
1 stop14h 18m
Iberia
Deal found 6/10![Iberia logo]()
$979
This Turkish Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 9/219:10 pm
ONT
- BCN
2 stops41h 05m
Turkish Airlines
Fri 10/212:10 pm
BCN
- ONT
2 stops41h 03m
Turkish Airlines
Deal found 6/6![Turkish Airlines logo]()
$1,147
This Icelandair deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 10/212:14 pm
ONT
- DUB
2 stops36h 51m
Icelandair
Tue 10/2711:30 am
DUB
- ONT
2 stops19h 12m
Icelandair
Deal found 6/6![Icelandair logo]()
$1,171
This Qatar Airways deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:00 pm
ONT
- IST
2 stops37h 55m
Qatar Airways
Wed 9/98:05 pm
IST
- ONT
2 stops27h 20m
Qatar Airways
Deal found 6/10![Qatar Airways logo]()
$1,193
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 11/151:00 pm
ONT
- FCO
1 stop13h 55m
United Airlines
Mon 11/3012:20 pm
FCO
- ONT
2 stops38h 27m
United Airlines
Deal found 6/6![United Airlines logo]()
$768
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:00 pm
ONT
- FRA
2 stops19h 45m
Delta
Tue 11/102:15 pm
FRA
- ONT
2 stops34h 57m
Delta
Deal found 6/7![Delta logo]()
$831
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:00 pm
ONT
- FCO
1 stop13h 55m
United Airlines
Tue 12/11:55 pm
FCO
- ONT
1 stop15h 25m
United Airlines
Deal found 6/9![United Airlines logo]()
$775
This KLM deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 10/1812:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Tue 11/311:55 am
MAD
- ONT
1 stop19h 19m
KLM
Deal found 6/7![KLM logo]()
$890
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 9/19:15 am
ONT
- MXP
2 stops23h 45m
United Airlines
Wed 10/1412:20 pm
MXP
- ONT
2 stops43h 29m
United Airlines
Deal found 6/7![United Airlines logo]()
$799
This KLM deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/312:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Wed 8/199:50 am
MAD
- ONT
1 stop19h 03m
KLM
Deal found 6/8![KLM logo]()
$890
This Icelandair deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 11/410:05 am
ONT
- DUB
2 stops16h 10m
Multiple Airlines
Wed 11/1111:30 am
DUB
- ONT
2 stops19h 24m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$989
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:05 am
ONT
- LHR
1 stop16h 10m
Delta
Fri 8/211:25 pm
LHR
- ONT
1 stop16h 27m
Delta
Deal found 6/7![Delta logo]()
$908
This British Airways deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Thu 9/2410:55 am
FRA
- ONT
1 stop21h 41m
British Airways
Deal found 6/10![British Airways logo]()
$1,018
This KLM deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:00 am
ONT
- FCO
1 stop18h 10m
KLM
Sun 11/16:10 am
FCO
- ONT
2 stops19h 02m
KLM
Deal found 6/9![KLM logo]()
$907
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:05 am
ONT
- MXP
1 stop17h 20m
Delta
Fri 7/1711:40 am
MXP
- ONT
1 stop19h 10m
Delta
Deal found 6/9![Delta logo]()
$911
This Icelandair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/176:00 am
ONT
- DUB
2 stops20h 15m
Multiple Airlines
Tue 11/2411:30 am
DUB
- ONT
2 stops19h 09m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$1,013
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 10/287:00 am
ONT
- MAD
2 stops16h 45m
United Airlines
Wed 11/1111:15 am
MAD
- ONT
2 stops18h 05m
United Airlines
Deal found 6/8![United Airlines logo]()
$838
This Booking.com deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/207:00 am
ONT
- FRA
1 stop16h 45m
British Airways
Fri 7/319:20 am
FRA
- ONT
1 stop22h 14m
British Airways
Deal found 6/5![British Airways logo]()
$1,047
This Turkish Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/111:18 pm
ONT
- IST
1 stop38h 07m
Turkish Airlines
Wed 9/307:20 am
IST
- ONT
1 stop22h 53m
Turkish Airlines
Deal found 6/10![Turkish Airlines logo]()
$1,212
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 10/97:00 am
ONT
- FCO
2 stops19h 25m
Delta
Sun 11/16:10 am
FCO
- ONT
2 stops26h 38m
Delta
Deal found 6/7![Delta logo]()
$911
This Qatar Airways deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:00 pm
ONT
- IST
2 stops37h 55m
Qatar Airways
Sat 10/38:05 pm
IST
- ONT
2 stops31h 55m
Qatar Airways
Deal found 6/10![Qatar Airways logo]()
$1,213
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 am
ONT
- MAD
2 stops15h 45m
United Airlines
Tue 11/2411:15 am
MAD
- ONT
2 stops18h 05m
United Airlines
Deal found 6/9![United Airlines logo]()
$838
This Icelandair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:14 pm
ONT
- LHR
2 stops21h 06m
Icelandair
Mon 10/129:25 pm
LHR
- ONT
2 stops34h 17m
Icelandair
Deal found 6/10![Icelandair logo]()
$1,230
Last-minute flights from Ontario to EuropeDiscover last-minute flight deals from Ontario to Europe. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Europe. Data last updated June 11, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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.
Mon 7/611:59 pm
ONT
- FCO
1 stop27h 06m
British Airways
Wed 8/261:10 pm
FCO
- ONT
1 stop18h 49m
British Airways
Deal found 6/7![British Airways logo]()
$725
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/61:18 pm
ONT
- FCO
1 stop14h 02m
United Airlines
Wed 8/266:50 am
FCO
- ONT
2 stops20h 26m
United Airlines
Deal found 6/7![United Airlines logo]()
$756
This KAYAK deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/61:18 pm
ONT
- FCO
1 stop14h 02m
Lufthansa
Wed 8/262:20 pm
FCO
- ONT
1 stop15h 33m
Lufthansa
Deal found 6/7![Lufthansa logo]()
$807
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:20 am
ONT
- MXP
2 stops26h 15m
Delta
Tue 7/2111:35 am
MXP
- ONT
2 stops19h 15m
Delta
Deal found 6/9![Delta logo]()
$815
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/76:10 am
ONT
- MXP
1 stop22h 10m
United Airlines
Tue 8/2512:20 pm
MXP
- ONT
2 stops41h 33m
United Airlines
Deal found 6/7![United Airlines logo]()
$739
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:50 pm
ONT
- MXP
2 stops38h 30m
United Airlines
Tue 7/1412:20 pm
MXP
- ONT
2 stops56h 52m
United Airlines
Deal found 6/8![United Airlines logo]()
$801
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1112:00 pm
ONT
- MXP
2 stops36h 25m
Delta
Tue 7/219:00 am
MXP
- ONT
2 stops23h 48m
Delta
Deal found 6/9![Delta logo]()
$822
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/117:05 am
ONT
- MXP
2 stops41h 20m
Delta
Thu 7/2311:25 am
MXP
- ONT
2 stops20h 27m
Delta
Deal found 6/9![Delta logo]()
$832
This oojo deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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.
Fri 7/242:15 pm
ONT
- FCO
1 stop36h 50m
British Airways
Wed 9/21:10 pm
FCO
- ONT
1 stop18h 49m
British Airways
Deal found 6/6![British Airways logo]()
$805
This BusinessClass deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/261:18 pm
ONT
- FCO
1 stop14h 02m
Lufthansa
Mon 8/312:20 pm
FCO
- ONT
1 stop15h 33m
Lufthansa
Deal found 6/8![Lufthansa logo]()
$830
This Air France deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:05 am
ONT
- MXP
1 stop17h 20m
Multiple Airlines
Tue 8/1811:40 am
MXP
- ONT
1 stop17h 13m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$807
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/316:20 am
ONT
- FCO
1 stop18h 50m
Delta
Tue 8/1812:45 pm
FCO
- ONT
2 stops36h 39m
Delta
Deal found 6/9![Delta 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 June 11, 2026.
Search for one-way flight options from Ontario to Europe. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 8/226:02 am
ONT
- LHR
3 stops43h 33m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:05 pm
ONT
- LHR
3 stops31h 00m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$273
This Trip.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:00 am
ONT
- LHR
2 stops30h 20m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$298
This Cheapflightsfares deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 10/264:59 pm
ONT
- LHR
1 stop13h 16m
British Airways
Deal found 6/8![British Airways logo]()
$317
This Cheapflightsfares deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:05 pm
ONT
- LHR
1 stop13h 25m
British Airways
Deal found 6/9![British Airways logo]()
$319
This Cheapflightsfares deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:31 pm
ONT
- LHR
1 stop12h 59m
British Airways
Deal found 6/9![British Airways logo]()
$320
This Trip.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 10/202:14 pm
ONT
- LHR
1 stop16h 51m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$321
This Air Canada deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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.
Tue 10/131:52 pm
ONT
- LHR
2 stops15h 28m
Air Canada
Deal found 6/7![Air Canada logo]()
$323
This oojo deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:55 pm
ONT
- LHR
1 stop15h 20m
British Airways
Deal found 6/9![British Airways logo]()
$324
This oojo deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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.
Mon 11/92:59 pm
ONT
- LHR
1 stop13h 01m
British Airways
Deal found 6/8![British Airways logo]()
$325
This oojo deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/132:22 pm
ONT
- LHR
1 stop14h 28m
British Airways
Deal found 6/9![British Airways logo]()
$326
This oojo deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:59 pm
ONT
- MAD
2 stops35h 41m
British Airways
Deal found 6/10![British Airways logo]()
$339
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 June 11, 2026.
Round-trip from | $704 (Delta) |
|---|---|
One-way from | $213 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,381 |
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 June 11, 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
OntarioRome
ONT - FCO
ONTFCO
Ontario
Sun 12/6
1:00 pm-11:00 pm
2 stops25h 00m
Rome Fiumicino
Thu 12/10
11:15 am-8:20 pm
2 stops42h 05m
$754
OntarioRome
ONT - FCO
ONTFCO
Ontario
Sun 11/15
1:00 pm-11:55 am
1 stop13h 55m
Rome Fiumicino
Mon 11/30
12:20 pm-5:47 pm
2 stops38h 27m
$768
OntarioRome
ONT - FCO
ONTFCO
Ontario
Wed 11/11
1:00 pm-11:55 am
1 stop13h 55m
Rome Fiumicino
Tue 12/1
1:55 pm-8:20 pm
1 stop15h 25m
$775
OntarioMilan
ONT - MXP
ONTMXP
Ontario
Tue 9/1
9:15 am-6:00 pm
2 stops23h 45m
Milan Malpensa
Wed 10/14
12:20 pm-10:49 pm
2 stops43h 29m
$799
OntarioIstanbul
ONT - IST
ONTIST
Ontario
Thu 10/29
1:00 pm-5:55 pm
2 stops18h 55m
Istanbul
Fri 11/6
7:15 am-4:12 pm
2 stops19h 57m
$817
OntarioFrankfurt am Main
ONT - FRA
ONTFRA
Ontario
Wed 11/4
12:00 pm-4:45 pm
2 stops19h 45m
Frankfurt am Main
Tue 11/10
2:15 pm-4:12 pm
2 stops34h 57m
$831
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Wed 10/28
7:00 am-7:45 am
2 stops16h 45m
Madrid Barajas
Wed 11/11
11:15 am-8:20 pm
2 stops18h 05m
$838
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Wed 11/11
7:00 am-7:45 am
2 stops15h 45m
Madrid Barajas
Tue 11/24
11:15 am-8:20 pm
2 stops18h 05m
$838
OntarioRome
ONT - FCO
ONTFCO
Ontario
Wed 10/7
7:00 am-10:10 am
1 stop18h 10m
Rome Fiumicino
Sat 10/24
2:45 pm-6:18 pm
1 stop36h 33m
$855
OntarioLondon
ONT - LHR
ONTLHR
Ontario
Wed 11/4
12:00 pm-12:20 pm
1 stop16h 20m
London Heathrow
Tue 11/10
2:45 pm-10:54 pm
1 stop16h 09m
$877
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-FCO
ONT-MXP
ONT-LHR
ONT-MAD
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.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Europe
ONT-EU0
ONT-FCO
ONT-MXP
ONT-LHR
ONT-MAD
What is the cheapest month to book a flight from Ontario to Europe?
Currently, September is the cheapest month in which you can book a flight from Ontario to Europe (average of $251). Flying from Ontario to Europe in June is currently the most expensive (average of $575). 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 June 11, 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
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Crew
8.5
Boarding
8.1
Comfort
7.8
Entertainment
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
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 June 11, 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 6 airlines flying from Ontario to Europe
Discover the top 6 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 June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$497 | Average$695 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$504 | Average$851 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$515 | Average$882 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$557 | Average$973 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$580 | Average$967 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$620 | Average$650 | FlexibilityNo cancel fee | On-time71% |