$340+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
Jun 13 — Jun 201
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
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Ontario to 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 May 14, 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 May 14, 2026.
This KLM deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:00 pm
ONT
- MXP
1 stop14h 10m
KLM
Tue 11/241:05 pm
MXP
- ONT
1 stop18h 09m
KLM
Deal found 5/13![KLM logo]()
$712
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/87:00 am
ONT
- FCO
1 stop15h 45m
United Airlines
Tue 11/1712:15 pm
FCO
- ONT
2 stops43h 11m
United Airlines
Deal found 5/12![United Airlines logo]()
$713
This Cheapflightsfares deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2612:35 pm
ONT
- FCO
1 stop14h 30m
British Airways
Wed 8/261:10 pm
FCO
- ONT
1 stop17h 02m
British Airways
Deal found 5/13![British Airways logo]()
$714
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 am
ONT
- MXP
2 stops18h 55m
United Airlines
Tue 11/243:05 pm
MXP
- ONT
1 stop16h 21m
United Airlines
Deal found 5/11![United Airlines logo]()
$716
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
3 stops23h 05m
United Airlines
Wed 11/189:45 am
MXP
- ONT
2 stops21h 41m
United Airlines
Deal found 5/12![United Airlines logo]()
$717
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:53 pm
ONT
- FCO
2 stops27h 52m
United Airlines
Tue 11/1712:15 pm
FCO
- ONT
2 stops43h 11m
United Airlines
Deal found 5/12![United Airlines logo]()
$718
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:05 am
ONT
- MXP
1 stop17h 20m
Delta
Fri 8/2111:40 am
MXP
- ONT
1 stop19h 12m
Delta
Deal found 5/14![Delta logo]()
$719
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:18 pm
ONT
- MXP
2 stops18h 22m
United Airlines
Wed 8/269:00 am
MXP
- ONT
2 stops19h 57m
United Airlines
Deal found 5/13![United Airlines logo]()
$723
This oojo deal was found by Cheapflights users on 5/11. 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 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 5/11![British Airways logo]()
$723
This Delta deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:06 pm
ONT
- IST
2 stops48h 24m
Delta
Mon 8/245:20 pm
IST
- ONT
2 stops34h 01m
Delta
Deal found 5/12![Delta logo]()
$724
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/291:00 pm
ONT
- MXP
2 stops18h 40m
United Airlines
Tue 1/129:45 am
MXP
- ONT
2 stops22h 21m
United Airlines
Deal found 5/12![United Airlines logo]()
$725
This Expedia deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:33 pm
ONT
- FCO
2 stops18h 52m
British Airways
Thu 8/271:10 pm
FCO
- ONT
1 stop18h 48m
British Airways
Deal found 5/12![British Airways logo]()
$726
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 May 14, 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 May 14, 2026.
This KLM deal was found by Cheapflights users on 5/9. 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 8/117:05 am
ONT
- MXP
1 stop17h 20m
KLM
Tue 8/2511:40 am
MXP
- ONT
1 stop17h 13m
KLM
Deal found 5/9![KLM logo]()
$712
This Delta deal was found by Cheapflights users on 5/9. 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.
Tue 11/107:00 am
ONT
- MAD
1 stop17h 55m
Delta
Fri 11/276:00 am
MAD
- ONT
2 stops19h 12m
Delta
Deal found 5/9![Delta logo]()
$766
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:00 am
ONT
- MAD
2 stops16h 45m
United Airlines
Wed 11/1111:15 am
MAD
- ONT
2 stops18h 05m
United Airlines
Deal found 5/13![United Airlines logo]()
$791
This British Airways deal was found by Cheapflights users on 5/10. 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.
Mon 8/31:10 pm
ONT
- LHR
1 stop17h 55m
British Airways
Thu 8/2010:05 am
LHR
- ONT
1 stop16h 42m
British Airways
Deal found 5/10![British Airways logo]()
$926
This Alaska Airlines deal was found by Cheapflights users on 5/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 am
ONT
- FCO
1 stop22h 15m
Alaska Airlines
Mon 9/143:25 pm
FCO
- ONT
1 stop16h 59m
Alaska Airlines
Deal found 5/10![Alaska Airlines logo]()
$979
This KLM deal was found by Cheapflights users on 5/10. 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.
Tue 10/2712:00 pm
ONT
- IST
2 stops18h 55m
Multiple Airlines
Wed 11/117:15 am
IST
- ONT
2 stops19h 57m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$1,014
This JetBlue deal was found by Cheapflights users on 5/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:10 pm
ONT
- LHR
1 stop15h 35m
JetBlue
Thu 9/248:15 am
LHR
- ONT
1 stop19h 58m
JetBlue
Deal found 5/10![JetBlue logo]()
$1,117
This Qatar Airways deal was found by Cheapflights users on 5/10. 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.
Fri 8/1412:04 pm
ONT
- IST
2 stops32h 16m
Qatar Airways
Fri 9/48:05 pm
IST
- ONT
2 stops32h 53m
Qatar Airways
Deal found 5/10![Qatar Airways logo]()
$1,231
This KLM deal was found by Cheapflights users on 5/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Mon 12/711:55 am
MAD
- ONT
1 stop19h 19m
KLM
Deal found 5/11![KLM logo]()
$805
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:10 am
ONT
- MXP
1 stop22h 10m
United Airlines
Thu 8/1311:20 am
MXP
- ONT
2 stops19h 39m
United Airlines
Deal found 5/11![United Airlines logo]()
$817
This Delta deal was found by Cheapflights users on 5/9. 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 11/210:59 pm
ONT
- FRA
1 stop23h 51m
Delta
Sat 11/216:55 am
FRA
- ONT
2 stops18h 17m
Delta
Deal found 5/9![Delta logo]()
$829
This Air Serbia deal was found by Cheapflights users on 5/11. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2311:58 pm
ONT
- ATH
2 stops32h 17m
Air Serbia
Wed 7/13:35 pm
ATH
- ONT
2 stops41h 04m
Air Serbia
Deal found 5/11![Air Serbia logo]()
$1,720
This KLM deal was found by Cheapflights users on 5/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/412:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Sun 10/119:50 am
MAD
- ONT
1 stop17h 28m
KLM
Deal found 5/11![KLM logo]()
$814
This United Airlines deal was found by Cheapflights users on 5/9. 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.
Mon 7/66:10 am
ONT
- MXP
1 stop22h 10m
United Airlines
Tue 7/219:00 am
MXP
- ONT
2 stops22h 51m
United Airlines
Deal found 5/9![United Airlines logo]()
$857
This British Airways deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/317:00 am
ONT
- ATH
1 stop18h 45m
British Airways
Fri 8/142:00 pm
ATH
- ONT
1 stop18h 58m
British Airways
Deal found 5/13![British Airways logo]()
$975
This Delta deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:01 pm
ONT
- LHR
1 stop13h 34m
Delta
Thu 8/206:30 am
LHR
- ONT
2 stops23h 22m
Delta
Deal found 5/13![Delta logo]()
$897
This Finnair deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:33 pm
ONT
- LHR
1 stop14h 22m
Multiple Airlines
Sat 8/2212:55 pm
LHR
- ONT
1 stop16h 17m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$1,026
This KLM deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/117:05 am
ONT
- FCO
1 stop15h 30m
KLM
Tue 9/89:45 am
FCO
- ONT
1 stop17h 16m
KLM
Deal found 5/14![KLM logo]()
$848
This Alaska Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/313:05 pm
ONT
- LHR
1 stop16h 00m
Alaska Airlines
Tue 9/155:00 pm
LHR
- ONT
1 stop14h 24m
Alaska Airlines
Deal found 5/12![Alaska Airlines logo]()
$1,046
This United Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/316:30 am
ONT
- MXP
1 stop21h 50m
United Airlines
Thu 6/253:20 pm
MXP
- ONT
1 stop16h 31m
United Airlines
Deal found 5/14![United Airlines logo]()
$902
This Delta deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:00 am
ONT
- DUB
1 stop17h 45m
Delta
Sat 9/195:55 am
DUB
- ONT
2 stops19h 21m
Delta
Deal found 5/12![Delta logo]()
$910
This British Airways deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:59 pm
ONT
- FRA
1 stop23h 46m
British Airways
Sun 9/2010:55 am
FRA
- ONT
1 stop21h 11m
British Airways
Deal found 5/14![British Airways logo]()
$1,021
This KLM deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/127:05 am
ONT
- FCO
1 stop15h 30m
KLM
Mon 9/79:45 am
FCO
- ONT
1 stop17h 16m
KLM
Deal found 5/14![KLM logo]()
$848
This Icelandair deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:03 pm
ONT
- DUB
2 stops35h 02m
Multiple Airlines
Tue 6/162:15 pm
DUB
- ONT
2 stops16h 56m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$1,033
This Delta deal was found by Cheapflights users on 5/9. 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.
Sun 7/2610:00 pm
ONT
- MAD
1 stop29h 15m
Delta
Fri 8/219:50 am
MAD
- ONT
1 stop21h 02m
Delta
Deal found 5/9![Delta logo]()
$912
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/135:26 pm
ONT
- LHR
1 stop13h 39m
Alaska Airlines
Thu 8/135:00 pm
LHR
- ONT
1 stop14h 11m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$1,106
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:01 am
ONT
- LHR
1 stop14h 24m
United Airlines
Tue 9/82:50 pm
LHR
- ONT
1 stop14h 02m
United Airlines
Deal found 5/11![United Airlines logo]()
$926
This KLM deal was found by Cheapflights users on 5/10. 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.
Tue 11/37:00 am
ONT
- DUB
1 stop16h 45m
KLM
Tue 11/109:40 am
DUB
- ONT
1 stop16h 38m
KLM
Deal found 5/10![KLM logo]()
$875
This Turkish Airlines deal was found by Cheapflights users on 5/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:10 pm
ONT
- MXP
2 stops41h 35m
Multiple Airlines
Sun 10/116:50 am
MXP
- ONT
2 stops25h 52m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$1,067
This Qatar Airways deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:43 pm
ONT
- IST
2 stops35h 12m
Qatar Airways
Fri 9/48:05 pm
IST
- ONT
2 stops32h 53m
Qatar Airways
Deal found 5/12![Qatar Airways logo]()
$1,292
Last-minute flights from Ontario to EuropeDiscover last-minute flight deals from Ontario to Europe. Data last updated May 14, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Europe. Data last updated May 14, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:00 am
ONT
- FCO
2 stops19h 15m
Air Canada
Wed 5/202:20 pm
FCO
- ONT
2 stops36h 08m
Air Canada
Deal found 5/12![Air Canada logo]()
$772
This KLM deal was found by Cheapflights users on 5/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:08 pm
ONT
- FCO
1 stop15h 32m
KLM
Tue 5/261:10 pm
FCO
- ONT
1 stop17h 38m
KLM
Deal found 5/11![KLM logo]()
$781
This KLM deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:08 pm
ONT
- FCO
1 stop15h 32m
KLM
Wed 5/201:10 pm
FCO
- ONT
1 stop17h 38m
KLM
Deal found 5/12![KLM logo]()
$788
This Iberia deal was found by Cheapflights users on 5/10. 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.
Wed 5/137:30 am
ONT
- FRA
1 stop16h 15m
Iberia
Fri 5/1510:55 am
FRA
- ONT
1 stop21h 51m
Iberia
Deal found 5/10![Iberia logo]()
$831
This KLM deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/147:05 am
ONT
- FCO
1 stop15h 30m
KLM
Wed 5/279:45 am
FCO
- ONT
1 stop17h 51m
KLM
Deal found 5/12![KLM logo]()
$839
This oojo deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:00 am
ONT
- FCO
1 stop21h 05m
British Airways
Fri 5/221:30 pm
FCO
- ONT
1 stop18h 06m
British Airways
Deal found 5/12![British Airways logo]()
$843
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/171:30 pm
ONT
- FCO
1 stop15h 10m
United Airlines
Mon 5/2510:50 am
FCO
- ONT
2 stops40h 06m
United Airlines
Deal found 5/12![United Airlines logo]()
$799
This Air Canada deal was found by Cheapflights users on 5/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:00 am
ONT
- FCO
2 stops19h 15m
Air Canada
Sun 5/2412:25 pm
FCO
- ONT
2 stops32h 47m
Air Canada
Deal found 5/11![Air Canada logo]()
$836
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1710:37 am
ONT
- FCO
1 stop18h 03m
United Airlines
Sun 5/242:20 pm
FCO
- ONT
1 stop15h 22m
United Airlines
Deal found 5/13![United Airlines logo]()
$848
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:00 am
ONT
- FRA
1 stop18h 50m
Multiple Airlines
Thu 6/1111:55 am
FRA
- ONT
1 stop20h 56m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$748
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:15 am
ONT
- FRA
1 stop14h 35m
Multiple Airlines
Sat 6/1311:25 am
FRA
- ONT
1 stop21h 26m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$755
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:05 am
ONT
- MXP
1 stop17h 20m
Delta
Tue 9/111:40 am
MXP
- ONT
1 stop19h 16m
Delta
Deal found 5/11![Delta logo]()
$851
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 May 14, 2026.
Search for one-way flight options from Ontario to Europe. Find affordable one-way fares based on user searches. Data last updated May 14, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:25 am
ONT
- FCO
1 stop16h 40m
British Airways
Deal found 5/10![British Airways logo]()
$340
This American Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:47 am
ONT
- FCO
2 stops19h 08m
American Airlines
Deal found 5/12![American Airlines logo]()
$343
This KLM deal was found by Cheapflights users on 5/10. 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.
Mon 8/107:05 am
ONT
- FCO
1 stop15h 30m
KLM
Deal found 5/10![KLM logo]()
$344
This oojo deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:00 am
ONT
- FCO
1 stop21h 05m
British Airways
Deal found 5/12![British Airways logo]()
$345
This KLM deal was found by Cheapflights users on 5/10. 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.
Sun 10/2512:00 pm
ONT
- FCO
1 stop15h 20m
KLM
Deal found 5/10![KLM logo]()
$346
This Air Canada deal was found by Cheapflights users on 5/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:00 am
ONT
- FCO
2 stops19h 15m
Air Canada
Deal found 5/10![Air Canada logo]()
$347
This Cheapflightsfares deal was found by Cheapflights users on 5/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/310:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Deal found 5/11![British Airways logo]()
$348
This United Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:53 pm
ONT
- FCO
3 stops30h 07m
United Airlines
Deal found 5/12![United Airlines logo]()
$350
This KLM deal was found by Cheapflights users on 5/9. 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.
Mon 8/311:56 am
ONT
- MAD
1 stop15h 19m
KLM
Deal found 5/9![KLM logo]()
$351
This KLM deal was found by Cheapflights users on 5/10. 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.
Sun 8/1611:56 am
ONT
- MAD
1 stop15h 19m
KLM
Deal found 5/10![KLM logo]()
$352
This United Airlines deal was found by Cheapflights users on 5/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:00 am
ONT
- FCO
2 stops24h 25m
United Airlines
Deal found 5/11![United Airlines logo]()
$354
This oojo deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:06 am
ONT
- MAD
1 stop16h 59m
British Airways
Deal found 5/14![British Airways logo]()
$354
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 May 14, 2026.
Round-trip from | $712 (Delta) |
|---|---|
One-way from | $340 (Cheapflightsfares) |
Popular in | June |
Cheapest in | February |
Average price | $1,179 |
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 May 14, 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
OntarioMilan
ONT - MXP
ONTMXP
Ontario
Tue 8/11
7:05 am-9:25 am
1 stop17h 20m
Milan Malpensa
Tue 8/25
11:40 am-7:53 pm
1 stop17h 13m
$712
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Tue 11/10
7:00 am-9:55 am
1 stop17h 55m
Madrid Barajas
Fri 11/27
6:00 am-4:12 pm
2 stops19h 12m
$766
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Wed 11/4
6:00 am-7:45 am
2 stops16h 45m
Madrid Barajas
Wed 11/11
11:15 am-8:20 pm
2 stops18h 05m
$791
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Tue 10/20
12:00 pm-12:15 pm
1 stop15h 15m
Madrid Barajas
Mon 12/7
11:55 am-10:14 pm
1 stop19h 19m
$805
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sun 10/4
12:00 pm-12:15 pm
1 stop15h 15m
Madrid Barajas
Sun 10/11
9:50 am-6:18 pm
1 stop17h 28m
$814
OntarioMilan
ONT - MXP
ONTMXP
Ontario
Sun 7/26
6:10 am-1:20 pm
1 stop22h 10m
Milan Malpensa
Thu 8/13
11:20 am-9:59 pm
2 stops19h 39m
$817
OntarioFrankfurt am Main
ONT - FRA
ONTFRA
Ontario
Mon 11/2
10:59 pm-7:50 am
1 stop23h 51m
Frankfurt am Main
Sat 11/21
6:55 am-4:12 pm
2 stops18h 17m
$829
OntarioRome
ONT - FCO
ONTFCO
Ontario
Sat 7/11
7:05 am-7:35 am
1 stop15h 30m
Rome Fiumicino
Tue 9/8
9:45 am-6:01 pm
1 stop17h 16m
$848
OntarioRome
ONT - FCO
ONTFCO
Ontario
Sun 7/12
7:05 am-7:35 am
1 stop15h 30m
Rome Fiumicino
Mon 9/7
9:45 am-6:01 pm
1 stop17h 16m
$848
OntarioMilan
ONT - MXP
ONTMXP
Ontario
Mon 7/6
6:10 am-1:20 pm
1 stop22h 10m
Milan Malpensa
Tue 7/21
9:00 am-10:51 pm
2 stops22h 51m
$857
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-FRA
ONT-FCO
ONT-MXP
ONT-MAD
ONT-LHR
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-FRA
ONT-FCO
ONT-MXP
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 May 14, 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.
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Crew
8.5
Food
7.2
Comfort
7.8
Entertainment
7.8
Overall
7.9
Boarding
8.1
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 May 14, 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 May 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$497 | Average$695 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$504 | Average$904 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$515 | Average$874 | 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$890 | FlexibilityNo cancel fee | On-time71% |