$294+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
Jul 17 — Jul 241
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 June 17, 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 17, 2026.
This Delta deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:05 am
ONT
- MXP
1 stop17h 20m
Delta
Tue 8/2511:40 am
MXP
- ONT
1 stop17h 13m
Delta
Deal found 6/17![Delta logo]()
$703
This Air Canada deal was found by Cheapflights users on 6/12. 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.
Sat 11/75:00 am
ONT
- MXP
3 stops44h 05m
Air Canada
Tue 11/171:05 pm
MXP
- ONT
3 stops40h 15m
Air Canada
Deal found 6/12![Air Canada logo]()
$705
This KLM deal was found by Cheapflights users on 6/12. 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.
Tue 11/1012:00 pm
ONT
- MXP
1 stop14h 10m
KLM
Tue 11/241:05 pm
MXP
- ONT
1 stop18h 09m
KLM
Deal found 6/12![KLM logo]()
$712
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Wed 12/26:02 am
ONT
- MXP
2 stops16h 28m
United Airlines
Tue 12/811:20 am
MXP
- ONT
2 stops19h 01m
United Airlines
Deal found 6/14![United Airlines logo]()
$714
This Delta deal was found by Cheapflights users on 6/12. 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 11/75:05 pm
ONT
- MXP
2 stops39h 20m
Delta
Tue 11/171:05 pm
MXP
- ONT
1 stop18h 09m
Delta
Deal found 6/12![Delta logo]()
$716
This United Airlines deal was found by Cheapflights users on 6/12. 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 11/74:03 pm
ONT
- MXP
2 stops30h 27m
United Airlines
Tue 11/1711:20 am
MXP
- ONT
2 stops20h 46m
United Airlines
Deal found 6/12![United Airlines logo]()
$718
This KLM deal was found by Cheapflights users on 6/12. 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.
Mon 8/36:20 am
ONT
- FCO
1 stop18h 50m
KLM
Wed 8/191:10 pm
FCO
- ONT
1 stop38h 19m
KLM
Deal found 6/12![KLM logo]()
$718
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/11:00 pm
ONT
- MXP
2 stops18h 40m
United Airlines
Tue 12/811:20 am
MXP
- ONT
2 stops20h 46m
United Airlines
Deal found 6/15![United Airlines logo]()
$721
This KLM deal was found by Cheapflights users on 6/12. 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.
Tue 8/117:05 am
ONT
- FCO
1 stop15h 30m
KLM
Thu 8/201:10 pm
FCO
- ONT
1 stop17h 42m
KLM
Deal found 6/12![KLM logo]()
$727
This Air Canada deal was found by Cheapflights users on 6/12. 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.
Mon 11/25:00 am
ONT
- MXP
2 stops20h 05m
Air Canada
Tue 11/171:05 pm
MXP
- ONT
3 stops40h 15m
Air Canada
Deal found 6/12![Air Canada logo]()
$732
This Air Canada deal was found by Cheapflights users on 6/12. 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.
Sun 11/15:00 am
ONT
- MXP
3 stops44h 05m
Air Canada
Tue 11/171:05 pm
MXP
- ONT
3 stops40h 15m
Air Canada
Deal found 6/12![Air Canada logo]()
$737
This Delta deal was found by Cheapflights users on 6/13. 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.
Sat 8/812:00 pm
ONT
- MXP
1 stop36h 25m
Delta
Fri 8/2111:40 am
MXP
- ONT
1 stop32h 02m
Delta
Deal found 6/13![Delta logo]()
$738
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 17, 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 17, 2026.
This KLM deal was found by Cheapflights users on 6/12. 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.
Mon 8/36:20 am
ONT
- FCO
1 stop18h 50m
KLM
Wed 8/191:10 pm
FCO
- ONT
1 stop38h 19m
KLM
Deal found 6/12![KLM logo]()
$718
This Delta deal was found by Cheapflights users on 6/13. 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.
Sun 8/97:05 am
ONT
- MXP
1 stop17h 20m
Delta
Tue 8/2511:40 am
MXP
- ONT
1 stop17h 13m
Delta
Deal found 6/13![Delta logo]()
$747
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 9/17:00 am
ONT
- MXP
2 stops42h 20m
United Airlines
Wed 10/1412:20 pm
MXP
- ONT
2 stops43h 39m
United Airlines
Deal found 6/14![United Airlines logo]()
$788
This British Airways deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:05 am
ONT
- ATH
1 stop18h 40m
British Airways
Wed 8/192:00 pm
ATH
- ONT
1 stop18h 59m
British Airways
Deal found 6/15![British Airways logo]()
$853
This Finnair deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/28:25 am
ONT
- MAD
1 stop21h 00m
Multiple Airlines
Sun 10/113:55 pm
MAD
- ONT
1 stop16h 11m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$864
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2012:12 pm
ONT
- LHR
1 stop18h 53m
Alaska Airlines
Fri 9/255:00 pm
LHR
- ONT
1 stop14h 24m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$877
This Virgin Atlantic deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/241:06 pm
ONT
- LHR
2 stops15h 59m
Virgin Atlantic
Thu 9/1011:45 am
LHR
- ONT
2 stops18h 55m
Virgin Atlantic
Deal found 6/15![Virgin Atlantic logo]()
$898
This Turkish Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:10 pm
ONT
- CDG
2 stops54h 40m
Turkish Airlines
Sun 10/44:10 pm
CDG
- ONT
2 stops61h 03m
Turkish Airlines
Deal found 6/15![Turkish Airlines logo]()
$1,112
This Qatar Airways deal was found by Cheapflights users on 6/14. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:12 pm
ONT
- IST
2 stops38h 03m
Qatar Airways
Thu 9/248:05 pm
IST
- ONT
2 stops32h 58m
Qatar Airways
Deal found 6/14![Qatar Airways logo]()
$1,144
This JetBlue deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/111:18 pm
ONT
- LHR
1 stop13h 27m
JetBlue
Sat 8/158:15 am
LHR
- ONT
1 stop21h 50m
JetBlue
Deal found 6/12![JetBlue logo]()
$1,155
This KLM deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:00 pm
ONT
- MXP
1 stop14h 10m
KLM
Thu 11/121:05 pm
MXP
- ONT
1 stop18h 09m
KLM
Deal found 6/15![KLM logo]()
$756
This Delta deal was found by Cheapflights users on 6/12. 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.
Sun 7/510:00 pm
ONT
- MXP
2 stops26h 25m
Delta
Tue 7/1411:40 am
MXP
- ONT
1 stop19h 10m
Delta
Deal found 6/12![Delta logo]()
$811
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:24 pm
ONT
- FCO
1 stop13h 56m
United Airlines
Fri 11/61:55 pm
FCO
- ONT
1 stop15h 25m
United Airlines
Deal found 6/15![United Airlines logo]()
$824
This Alaska Airlines deal was found by Cheapflights users on 6/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2012:12 pm
ONT
- LHR
1 stop18h 53m
Alaska Airlines
Wed 9/235:00 pm
LHR
- ONT
1 stop26h 16m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$882
This KLM deal was found by Cheapflights users on 6/12. 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 10/147:00 am
ONT
- MXP
1 stop17h 25m
KLM
Wed 10/281:05 pm
MXP
- ONT
1 stop17h 09m
KLM
Deal found 6/12![KLM logo]()
$807
This British Airways deal was found by Cheapflights users on 6/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:59 pm
ONT
- FRA
1 stop23h 46m
British Airways
Sun 10/2510:55 am
FRA
- ONT
1 stop17h 09m
British Airways
Deal found 6/12![British Airways logo]()
$889
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:00 pm
ONT
- ATH
2 stops26h 25m
United Airlines
Fri 11/276:40 am
ATH
- ONT
2 stops21h 07m
United Airlines
Deal found 6/15![United Airlines logo]()
$836
This British Airways deal was found by Cheapflights users on 6/14. 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 9/278:25 am
ONT
- FRA
1 stop15h 20m
British Airways
Wed 10/1410:55 am
FRA
- ONT
1 stop21h 11m
British Airways
Deal found 6/14![British Airways logo]()
$889
This Delta deal was found by Cheapflights users on 6/13. 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 8/36:00 am
ONT
- LHR
1 stop20h 00m
Delta
Thu 8/206:30 am
LHR
- ONT
2 stops23h 22m
Delta
Deal found 6/13![Delta logo]()
$894
This KLM deal was found by Cheapflights users on 6/13. 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.
Sat 8/87:05 am
ONT
- FRA
1 stop16h 50m
KLM
Sun 8/2310:40 am
FRA
- ONT
1 stop16h 49m
KLM
Deal found 6/13![KLM logo]()
$852
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 8/317:00 am
ONT
- FCO
1 stop15h 55m
United Airlines
Wed 9/99:45 am
FCO
- ONT
1 stop19h 12m
United Airlines
Deal found 6/12![United Airlines logo]()
$856
This British Airways deal was found by Cheapflights users on 6/13. 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.
Thu 8/67:06 am
ONT
- ATH
1 stop18h 39m
British Airways
Thu 8/202:05 pm
ATH
- ONT
1 stop18h 54m
British Airways
Deal found 6/13![British Airways logo]()
$903
This Delta deal was found by Cheapflights users on 6/13. 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.
Sun 9/276:00 am
ONT
- BCN
2 stops23h 50m
Delta
Sat 10/106:20 am
BCN
- ONT
2 stops19h 57m
Delta
Deal found 6/13![Delta logo]()
$932
This KLM deal was found by Cheapflights users on 6/13. 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.
Wed 11/257:00 am
ONT
- BCN
1 stop16h 40m
KLM
Thu 12/310:50 am
BCN
- ONT
1 stop20h 24m
KLM
Deal found 6/13![KLM logo]()
$873
This United Airlines deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:00 am
ONT
- FCO
2 stops21h 15m
United Airlines
Wed 10/1411:00 am
FCO
- ONT
2 stops20h 49m
United Airlines
Deal found 6/15![United Airlines logo]()
$891
This Turkish Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:50 pm
ONT
- CDG
2 stops33h 15m
Turkish Airlines
Mon 9/147:45 pm
CDG
- ONT
2 stops57h 28m
Turkish Airlines
Deal found 6/16![Turkish Airlines logo]()
$1,192
This Qatar Airways deal was found by Cheapflights users on 6/13. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/612:00 pm
ONT
- IST
2 stops32h 20m
Qatar Airways
Sun 9/138:05 pm
IST
- ONT
2 stops32h 58m
Qatar Airways
Deal found 6/13![Qatar Airways logo]()
$1,208
This Turkish Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:51 pm
ONT
- IST
1 stop27h 09m
Multiple Airlines
Tue 8/116:40 pm
IST
- ONT
1 stop37h 55m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,217
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:05 am
ONT
- FRA
1 stop16h 50m
Delta
Thu 7/2310:40 am
FRA
- ONT
1 stop16h 50m
Delta
Deal found 6/16![Delta logo]()
$954
This KLM deal was found by Cheapflights users on 6/13. 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.
Thu 12/310:59 pm
ONT
- ATH
2 stops24h 36m
KLM
Thu 12/105:25 pm
ATH
- ONT
2 stops32h 47m
KLM
Deal found 6/13![KLM logo]()
$885
Last-minute flights from Ontario to EuropeDiscover last-minute flight deals from Ontario to Europe. Data last updated June 17, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Europe. Data last updated June 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/12. 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.
Fri 7/310:00 pm
ONT
- MXP
2 stops23h 45m
Delta
Tue 7/1411:40 am
MXP
- ONT
1 stop19h 10m
Delta
Deal found 6/12![Delta logo]()
$861
This Delta deal was found by Cheapflights users on 6/12. 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.
Fri 7/311:50 am
ONT
- MXP
1 stop36h 35m
Delta
Thu 7/1611:40 am
MXP
- ONT
1 stop19h 10m
Delta
Deal found 6/12![Delta logo]()
$863
This Delta deal was found by Cheapflights users on 6/12. 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 7/47:05 am
ONT
- MXP
1 stop17h 20m
Delta
Thu 7/1611:40 am
MXP
- ONT
1 stop19h 10m
Delta
Deal found 6/12![Delta logo]()
$857
This Delta deal was found by Cheapflights users on 6/12. 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.
Sun 7/510:00 pm
ONT
- MXP
2 stops26h 25m
Delta
Tue 7/1411:40 am
MXP
- ONT
1 stop19h 10m
Delta
Deal found 6/12![Delta logo]()
$811
This Delta deal was found by Cheapflights users on 6/12. 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.
Mon 7/611:57 am
ONT
- MXP
2 stops20h 38m
Delta
Tue 7/1411:35 am
MXP
- ONT
2 stops19h 15m
Delta
Deal found 6/12![Delta logo]()
$815
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 7/119:20 pm
ONT
- FCO
1 stop30h 55m
Alaska Airlines
Wed 8/193:15 pm
FCO
- ONT
1 stop17h 09m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$833
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 7/146:02 am
ONT
- FCO
1 stop22h 13m
Alaska Airlines
Thu 8/203:15 pm
FCO
- ONT
1 stop17h 09m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$827
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 7/179:20 pm
ONT
- FCO
1 stop30h 55m
Alaska Airlines
Wed 8/193:15 pm
FCO
- ONT
1 stop17h 09m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$853
This Iberia deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/197:00 am
ONT
- ATH
1 stop18h 45m
Iberia
Tue 8/182:00 pm
ATH
- ONT
1 stop18h 59m
Iberia
Deal found 6/16![Iberia logo]()
$853
This American Airlines deal was found by Cheapflights users on 6/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:11 pm
ONT
- ATH
2 stops19h 54m
American Airlines
Tue 7/282:00 pm
ATH
- ONT
1 stop29h 29m
American Airlines
Deal found 6/13![American Airlines logo]()
$855
This KLM deal was found by Cheapflights users on 6/14. 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 7/267:05 am
ONT
- FCO
1 stop15h 30m
KLM
Thu 8/201:10 pm
FCO
- ONT
1 stop17h 42m
KLM
Deal found 6/14![KLM logo]()
$786
This Iberia deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/307:00 am
ONT
- FRA
1 stop16h 45m
Iberia
Thu 9/1710:55 am
FRA
- ONT
1 stop19h 14m
Iberia
Deal found 6/16![Iberia logo]()
$859
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 17, 2026.
Search for one-way flight options from Ontario to Europe. Find affordable one-way fares based on user searches. Data last updated June 17, 2026.
This Trip.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:49 am
ONT
- LHR
2 stops17h 06m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/224:04 pm
ONT
- LHR
3 stops57h 31m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$298
This Bravofly deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/82:56 pm
ONT
- LHR
1 stop13h 19m
British Airways
Deal found 6/15![British Airways logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3012:00 pm
ONT
- MXP
3 stops40h 40m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$313
This oojo deal was found by Cheapflights users on 6/14. 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.
Wed 7/1512:35 pm
ONT
- ATH
2 stops27h 50m
British Airways
Deal found 6/14![British Airways logo]()
$316
This Mytrip deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:00 am
ONT
- LHR
1 stop19h 05m
British Airways
Deal found 6/16![British Airways logo]()
$318
This Cheapflightsfares deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/135:34 am
ONT
- ATH
1 stop20h 11m
British Airways
Deal found 6/16![British Airways logo]()
$318
This Cheapflightsfares deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:25 am
ONT
- LHR
1 stop13h 55m
British Airways
Deal found 6/17![British Airways logo]()
$320
This Trip.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 am
ONT
- LHR
2 stops30h 20m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$323
This oojo deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:22 pm
ONT
- LHR
1 stop14h 28m
British Airways
Deal found 6/15![British Airways logo]()
$325
This Expedia deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia 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 6/15![British Airways logo]()
$326
This Air Canada deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:00 am
ONT
- LHR
2 stops17h 30m
Air Canada
Deal found 6/16![Air Canada logo]()
$328
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 17, 2026.
Round-trip from | $703 (Delta) |
|---|---|
One-way from | $294 (Trip.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,370 |
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 17, 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
Mon 8/3
6:20 am-10:10 am
1 stop18h 50m
Rome Fiumicino
Wed 8/19
1:10 pm-6:29 pm
1 stop38h 19m
$718
OntarioMilan
ONT - MXP
ONTMXP
Ontario
Sun 8/9
7:05 am-9:25 am
1 stop17h 20m
Milan Malpensa
Tue 8/25
11:40 am-7:53 pm
1 stop17h 13m
$747
OntarioMilan
ONT - MXP
ONTMXP
Ontario
Wed 11/4
12:00 pm-11:10 am
1 stop14h 10m
Milan Malpensa
Thu 11/12
1:05 pm-10:14 pm
1 stop18h 09m
$756
OntarioMilan
ONT - MXP
ONTMXP
Ontario
Tue 9/1
7:00 am-10:20 am
2 stops42h 20m
Milan Malpensa
Wed 10/14
12:20 pm-10:59 pm
2 stops43h 39m
$788
OntarioMilan
ONT - MXP
ONTMXP
Ontario
Wed 10/14
7:00 am-9:25 am
1 stop17h 25m
Milan Malpensa
Wed 10/28
1:05 pm-10:14 pm
1 stop17h 09m
$807
OntarioMilan
ONT - MXP
ONTMXP
Ontario
Sun 7/5
10:00 pm-9:25 am
2 stops26h 25m
Milan Malpensa
Tue 7/14
11:40 am-9:50 pm
1 stop19h 10m
$811
Quickest round-trip
OntarioRome
ONT - FCO
ONTFCO
Ontario
Mon 9/28
1:24 pm-12:20 pm
1 stop13h 56m
Rome Fiumicino
Fri 11/6
1:55 pm-8:20 pm
1 stop15h 25m
$824
OntarioAthens
ONT - ATH
ONTATH
Ontario
Tue 11/24
1:00 pm-1:25 am
2 stops26h 25m
Athens Eleftherios V.
Fri 11/27
6:40 am-5:47 pm
2 stops21h 07m
$836
OntarioFrankfurt am Main
ONT - FRA
ONTFRA
Ontario
Sat 8/8
7:05 am-8:55 am
1 stop16h 50m
Frankfurt am Main
Sun 8/23
10:40 am-6:29 pm
1 stop16h 49m
$852
OntarioAthens
ONT - ATH
ONTATH
Ontario
Tue 8/11
7:05 am-11:45 am
1 stop18h 40m
Athens Eleftherios V.
Wed 8/19
2:00 pm-10:59 pm
1 stop18h 59m
$853
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-LHR
ONT-ATH
ONT-MAD
ONT-AMS
ONT-FCO
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-LHR
ONT-ATH
ONT-MAD
ONT-AMS
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 17, 2026.
See what other customers who have flown with KLM,Delta, andUnited Airlines from Ontario to Europe have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Boarding
7.8
Comfort
7.7
Entertainment
7.2
Crew
8.4
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Boarding
7.8
Comfort
7.7
Entertainment
7.2
Crew
8.4
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Boarding
7.8
Comfort
7.7
Entertainment
7.2
Crew
8.4
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Boarding
7.8
Comfort
7.7
Entertainment
7.2
Crew
8.4
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Boarding
7.8
Comfort
7.7
Entertainment
7.2
Crew
8.4
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Overall
7.8
Boarding
7.8
Comfort
7.7
Entertainment
7.2
Crew
8.4
Food
7.3
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
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 17, 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$497 | Average$655 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$504 | Average$851 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$515 | Average$902 | 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% |