$323+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
maj 23 — maj 301
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 Kwiecień 23, 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 Kwiecień 23, 2026.
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 10/287:00 am
ONT
- IST
2 stops24h 55m
Delta
pt. 11/67:15 am
IST
- ONT
2 stops22h 03m
Delta
Deal found 4/22![Delta logo]()
$706
This Delta deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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.
pon. 11/305:05 pm
ONT
- IST
2 stops37h 50m
Delta
pt. 12/117:15 am
IST
- ONT
2 stops27h 33m
Delta
Deal found 4/19![Delta logo]()
$712
This Mytrip deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ndz. 8/165:00 am
ONT
- FCO
2 stops21h 45m
Air Canada
pt. 8/2811:30 am
FCO
- ONT
2 stops42h 22m
Air Canada
Deal found 4/20![Air Canada logo]()
$712
This oojo deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 11/187:00 am
ONT
- FCO
1 stop18h 45m
British Airways
śr. 11/2511:00 am
FCO
- ONT
1 stop20h 23m
British Airways
Deal found 4/21![British Airways logo]()
$723
This Expedia deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ndz. 8/1612:33 pm
ONT
- FCO
2 stops19h 32m
British Airways
pt. 8/281:10 pm
FCO
- ONT
1 stop18h 48m
British Airways
Deal found 4/20![British Airways logo]()
$726
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pon. 11/237:00 am
ONT
- FCO
1 stop15h 45m
United Airlines
czw. 12/39:45 am
FCO
- ONT
2 stops22h 21m
United Airlines
Deal found 4/20![United Airlines logo]()
$727
This KLM deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 8/117:00 am
ONT
- FCO
1 stop15h 35m
KLM
czw. 8/209:45 am
FCO
- ONT
1 stop17h 16m
KLM
Deal found 4/22![KLM logo]()
$728
This Booking.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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.
ndz. 8/165:00 am
ONT
- FCO
2 stops19h 15m
Multiple Airlines
pt. 8/286:50 am
FCO
- ONT
2 stops24h 09m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$730
This Mytrip deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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.
wt. 8/111:18 pm
ONT
- FCO
2 stops34h 57m
Air Canada
pt. 8/2112:25 pm
FCO
- ONT
2 stops32h 47m
Air Canada
Deal found 4/18![Air Canada logo]()
$731
This KLM deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 12/17:00 am
ONT
- FCO
2 stops17h 35m
KLM
wt. 12/151:30 pm
FCO
- ONT
1 stop17h 44m
KLM
Deal found 4/20![KLM logo]()
$733
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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.
sob. 4/186:49 pm
ONT
- FCO
1 stop33h 51m
United Airlines
czw. 4/3011:30 am
FCO
- ONT
2 stops55h 11m
United Airlines
Deal found 4/18![United Airlines logo]()
$738
This Expedia deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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.
wt. 8/1112:33 pm
ONT
- FCO
2 stops18h 52m
British Airways
pt. 8/216:55 am
FCO
- ONT
2 stops25h 03m
British Airways
Deal found 4/18![British Airways logo]()
$746
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 Kwiecień 23, 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 Kwiecień 23, 2026.
This British Airways deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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.
wt. 8/1112:33 pm
ONT
- FCO
2 stops18h 52m
British Airways
pt. 8/211:10 pm
FCO
- ONT
1 stop18h 48m
British Airways
Deal found 4/18![British Airways logo]()
$756
This KLM deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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.
wt. 5/57:05 am
ONT
- FCO
1 stop15h 30m
KLM
wt. 5/129:45 am
FCO
- ONT
1 stop17h 51m
KLM
Deal found 4/19![KLM logo]()
$788
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 9/17:00 am
ONT
- DUB
1 stop18h 45m
United Airlines
wt. 9/89:20 am
DUB
- ONT
2 stops40h 59m
United Airlines
Deal found 4/21![United Airlines logo]()
$848
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 10/710:59 pm
ONT
- FRA
1 stop24h 56m
Delta
wt. 10/207:00 am
FRA
- ONT
2 stops19h 17m
Delta
Deal found 4/20![Delta logo]()
$889
This Virgin Atlantic deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pon. 8/107:00 am
ONT
- LHR
1 stop16h 15m
Virgin Atlantic
śr. 8/1911:45 am
LHR
- ONT
2 stops18h 55m
Virgin Atlantic
Deal found 4/22![Virgin Atlantic logo]()
$896
This Turkish Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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.
czw. 10/812:00 pm
ONT
- BCN
2 stops26h 15m
Multiple Airlines
sob. 10/177:40 am
BCN
- ONT
2 stops43h 33m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$994
This JetBlue deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pon. 6/110:41 pm
ONT
- DUB
1 stop26h 19m
JetBlue
pon. 6/1511:30 am
DUB
- ONT
1 stop19h 09m
JetBlue
Deal found 4/21![JetBlue logo]()
$1,043
This Qatar Airways deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
czw. 9/1712:10 pm
ONT
- IST
2 stops37h 45m
Qatar Airways
sob. 9/268:05 pm
IST
- ONT
2 stops37h 19m
Qatar Airways
Deal found 4/20![Qatar Airways logo]()
$1,172
This Air Serbia deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pon. 6/1511:54 pm
ONT
- ATH
2 stops32h 21m
Air Serbia
pon. 7/610:20 am
ATH
- ONT
2 stops46h 15m
Air Serbia
Deal found 4/22![Air Serbia logo]()
$1,428
This British Airways deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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.
wt. 9/110:29 am
ONT
- ATH
2 stops21h 36m
British Airways
czw. 10/158:00 pm
ATH
- ONT
2 stops35h 08m
British Airways
Deal found 4/18![British Airways logo]()
$847
This KLM deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sob. 10/1012:00 pm
ONT
- MAD
1 stop15h 15m
KLM
czw. 10/229:50 am
MAD
- ONT
1 stop17h 28m
KLM
Deal found 4/20![KLM logo]()
$874
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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.
śr. 10/77:00 am
ONT
- ATH
1 stop17h 35m
United Airlines
śr. 10/1412:35 pm
ATH
- ONT
1 stop19h 51m
United Airlines
Deal found 4/19![United Airlines logo]()
$894
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pt. 8/145:05 pm
ONT
- IST
2 stops22h 15m
Delta
ndz. 8/236:00 am
IST
- ONT
2 stops22h 01m
Delta
Deal found 4/21![Delta logo]()
$937
This British Airways deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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.
śr. 5/66:00 am
ONT
- FRA
1 stop17h 45m
British Airways
śr. 5/279:20 am
FRA
- ONT
1 stop22h 16m
British Airways
Deal found 4/18![British Airways logo]()
$862
This KLM deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ndz. 9/2712:00 pm
ONT
- MAD
1 stop15h 15m
KLM
wt. 10/139:50 am
MAD
- ONT
1 stop17h 28m
KLM
Deal found 4/21![KLM logo]()
$884
This Virgin Atlantic deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
czw. 5/712:08 pm
ONT
- LHR
2 stops16h 57m
Virgin Atlantic
śr. 5/202:30 pm
LHR
- ONT
2 stops17h 04m
Virgin Atlantic
Deal found 4/21![Virgin Atlantic logo]()
$979
This Turkish Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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.
pt. 10/96:00 am
ONT
- DUB
2 stops33h 05m
Multiple Airlines
pon. 10/125:55 am
DUB
- ONT
2 stops40h 52m
Multiple Airlines
Deal found 4/18![Multiple Airlines logo]()
$1,003
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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.
ndz. 5/31:40 pm
ONT
- LHR
1 stop14h 55m
United Airlines
wt. 5/192:50 pm
LHR
- ONT
1 stop13h 46m
United Airlines
Deal found 4/19![United Airlines logo]()
$915
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 8/259:55 am
ONT
- LHR
1 stop17h 05m
Delta
pon. 9/76:30 am
LHR
- ONT
2 stops19h 31m
Delta
Deal found 4/21![Delta logo]()
$946
This KLM deal was found by Cheapflights users on 4/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ndz. 5/312:49 pm
ONT
- LHR
1 stop16h 26m
KLM
wt. 5/199:20 am
LHR
- ONT
1 stop20h 28m
KLM
Deal found 4/17![KLM logo]()
$926
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pon. 8/101:50 pm
ONT
- FCO
1 stop14h 50m
United Airlines
wt. 8/189:45 am
FCO
- ONT
1 stop17h 34m
United Airlines
Deal found 4/20![United Airlines logo]()
$926
This Delta deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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.
sob. 8/151:00 pm
ONT
- IST
2 stops17h 20m
Delta
ndz. 8/236:00 am
IST
- ONT
2 stops20h 14m
Delta
Deal found 4/19![Delta logo]()
$960
This British Airways deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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.
pt. 10/910:25 am
ONT
- MAD
1 stop13h 40m
British Airways
pt. 10/233:55 pm
MAD
- ONT
1 stop16h 11m
British Airways
Deal found 4/19![British Airways logo]()
$973
This Qatar Airways deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 9/912:10 pm
ONT
- IST
2 stops37h 45m
Qatar Airways
wt. 10/138:05 pm
IST
- ONT
2 stops32h 08m
Qatar Airways
Deal found 4/21![Qatar Airways logo]()
$1,216
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 8/187:00 am
ONT
- DUB
1 stop18h 45m
United Airlines
wt. 9/19:50 am
DUB
- ONT
2 stops43h 02m
United Airlines
Deal found 4/20![United Airlines logo]()
$928
This KLM deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ndz. 5/107:05 am
ONT
- FCO
1 stop15h 30m
KLM
śr. 5/201:10 pm
FCO
- ONT
1 stop17h 38m
KLM
Deal found 4/22![KLM logo]()
$942
This Turkish Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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.
sob. 9/2612:10 pm
ONT
- CDG
2 stops25h 20m
Multiple Airlines
śr. 9/307:20 am
CDG
- ONT
2 stops25h 04m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,160
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ndz. 6/76:00 am
ONT
- FRA
2 stops23h 20m
Delta
wt. 6/237:00 am
FRA
- ONT
2 stops19h 19m
Delta
Deal found 4/22![Delta logo]()
$1,023
This United Airlines deal was found by Cheapflights users on 4/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 5/57:00 am
ONT
- DUB
1 stop18h 45m
United Airlines
pt. 5/159:20 am
DUB
- ONT
2 stops44h 38m
United Airlines
Deal found 4/17![United Airlines logo]()
$933
This KLM deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 9/87:00 am
ONT
- FCO
1 stop15h 35m
KLM
wt. 9/229:45 am
FCO
- ONT
1 stop17h 16m
KLM
Deal found 4/22![KLM logo]()
$942
Last-minute flights from Ontario to EuropeDiscover last-minute flight deals from Ontario to Europe. Data last updated Kwiecień 23, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Europe. Data last updated Kwiecień 23, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 4/227:05 am
ONT
- FCO
1 stop15h 30m
KLM
czw. 5/79:45 am
FCO
- ONT
1 stop17h 51m
KLM
Deal found 4/21![KLM logo]()
$750
This oojo deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 4/226:00 am
ONT
- FCO
1 stop21h 05m
British Airways
śr. 4/291:10 pm
FCO
- ONT
1 stop19h 36m
British Airways
Deal found 4/20![British Airways logo]()
$753
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 4/221:27 pm
ONT
- FCO
1 stop15h 13m
United Airlines
pt. 5/13:40 pm
FCO
- ONT
1 stop16h 19m
United Airlines
Deal found 4/20![United Airlines logo]()
$758
This KLM deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 4/227:05 am
ONT
- FCO
2 stops18h 00m
KLM
śr. 4/296:30 am
FCO
- ONT
2 stops18h 55m
KLM
Deal found 4/20![KLM logo]()
$763
This KLM deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 4/287:05 am
ONT
- FCO
1 stop15h 30m
KLM
wt. 5/129:45 am
FCO
- ONT
1 stop17h 51m
KLM
Deal found 4/20![KLM logo]()
$778
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pon. 5/46:00 am
ONT
- FCO
1 stop22h 40m
United Airlines
śr. 5/202:20 pm
FCO
- ONT
2 stops41h 17m
United Airlines
Deal found 4/20![United Airlines logo]()
$768
This KLM deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 5/57:05 am
ONT
- FCO
1 stop15h 30m
KLM
wt. 5/121:10 pm
FCO
- ONT
1 stop17h 38m
KLM
Deal found 4/21![KLM logo]()
$777
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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.
wt. 5/55:00 am
ONT
- FCO
1 stop22h 20m
United Airlines
pt. 5/222:20 pm
FCO
- ONT
1 stop15h 22m
United Airlines
Deal found 4/19![United Airlines logo]()
$788
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 5/512:49 pm
ONT
- FCO
2 stops18h 46m
Delta
śr. 5/2010:35 am
FCO
- ONT
2 stops38h 42m
Delta
Deal found 4/21![Delta logo]()
$792
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 5/57:05 am
ONT
- FRA
1 stop16h 50m
Delta
pt. 5/1510:40 am
FRA
- ONT
1 stop16h 56m
Delta
Deal found 4/20![Delta logo]()
$832
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 5/67:05 am
ONT
- FRA
1 stop16h 50m
Delta
pt. 5/1510:40 am
FRA
- ONT
1 stop16h 56m
Delta
Deal found 4/22![Delta logo]()
$831
This American Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 5/127:30 am
ONT
- FCO
2 stops18h 55m
American Airlines
wt. 5/1910:00 am
FCO
- ONT
2 stops21h 40m
American Airlines
Deal found 4/20![American Airlines logo]()
$789
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 Kwiecień 23, 2026.
Search for one-way flight options from Ontario to Europe. Find affordable one-way fares based on user searches. Data last updated Kwiecień 23, 2026.
This lol.travel deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 8/412:39 pm
ONT
- FCO
1 stop14h 26m
British Airways
Deal found 4/19![British Airways logo]()
$323
This oojo deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ndz. 7/261:10 pm
ONT
- FCO
2 stops24h 30m
British Airways
Deal found 4/21![British Airways logo]()
$336
This Cheapflightsfares deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 7/2812:39 pm
ONT
- FCO
1 stop14h 26m
British Airways
Deal found 4/21![British Airways logo]()
$340
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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.
ndz. 8/91:18 pm
ONT
- FCO
1 stop14h 02m
United Airlines
Deal found 4/19![United Airlines logo]()
$342
This Expedia deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pon. 7/2012:39 pm
ONT
- FCO
1 stop14h 26m
British Airways
Deal found 4/21![British Airways logo]()
$343
This Cheapflightsfares deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 7/2810:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Deal found 4/20![British Airways logo]()
$344
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 7/296:30 am
ONT
- FCO
2 stops21h 45m
United Airlines
Deal found 4/22![United Airlines logo]()
$346
This Cheapflightsfares deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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.
wt. 8/410:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Deal found 4/19![British Airways logo]()
$348
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pon. 7/271:50 pm
ONT
- FCO
3 stops34h 25m
United Airlines
Deal found 4/23![United Airlines logo]()
$350
This KLM deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ndz. 10/412:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Deal found 4/20![KLM logo]()
$350
This CheapOair deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 7/215:00 am
ONT
- FCO
2 stops19h 15m
Air Canada
Deal found 4/22![Air Canada logo]()
$351
This Iberia deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 7/2212:39 pm
ONT
- FCO
2 stops20h 36m
Iberia
Deal found 4/20![Iberia 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 Kwiecień 23, 2026.
Round-trip from | $712 (Mytrip) |
|---|---|
One-way from | $323 (lol.travel) |
Popular in | June |
Cheapest in | February |
Average price | $809 |
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 Kwiecień 23, 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
wt. 8/11
12:33 pm-4:25 pm
2 stops18h 52m
Rome Fiumicino
pt. 8/21
1:10 pm-10:58 pm
1 stop18h 48m
$756
OntarioRome
ONT - FCO
ONTFCO
Ontario
wt. 5/5
7:05 am-7:35 am
1 stop15h 30m
Rome Fiumicino
wt. 5/12
9:45 am-6:36 pm
1 stop17h 51m
$788
OntarioAthens
ONT - ATH
ONTATH
Ontario
wt. 9/1
10:29 am-6:05 pm
2 stops21h 36m
Athens Eleftherios V.
czw. 10/15
8:00 pm-9:08 pm
2 stops35h 08m
$847
OntarioDublin
ONT - DUB
ONTDUB
Ontario
wt. 9/1
7:00 am-9:45 am
1 stop18h 45m
Dublin
wt. 9/8
9:20 am-6:19 pm
2 stops40h 59m
$848
OntarioFrankfurt am Main
ONT - FRA
ONTFRA
Ontario
śr. 5/6
6:00 am-8:45 am
1 stop17h 45m
Frankfurt am Main
śr. 5/27
9:20 am-10:36 pm
1 stop22h 16m
$862
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
sob. 10/10
12:00 pm-12:15 pm
1 stop15h 15m
Madrid Barajas
czw. 10/22
9:50 am-6:18 pm
1 stop17h 28m
$874
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
ndz. 9/27
12:00 pm-12:15 pm
1 stop15h 15m
Madrid Barajas
wt. 10/13
9:50 am-6:18 pm
1 stop17h 28m
$884
OntarioFrankfurt am Main
ONT - FRA
ONTFRA
Ontario
śr. 10/7
10:59 pm-8:55 am
1 stop24h 56m
Frankfurt am Main
wt. 10/20
7:00 am-5:17 pm
2 stops19h 17m
$889
OntarioAthens
ONT - ATH
ONTATH
Ontario
śr. 10/7
7:00 am-10:35 am
1 stop17h 35m
Athens Eleftherios V.
śr. 10/14
12:35 pm-10:26 pm
1 stop19h 51m
$894
OntarioLondon
ONT - LHR
ONTLHR
Ontario
pon. 8/10
7:00 am-7:15 am
1 stop16h 15m
London Heathrow
śr. 8/19
11:45 am-10:40 pm
2 stops18h 55m
$896
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-FRA
ONT-DUB
ONT-LHR
ONT-BCN
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-FRA
ONT-DUB
ONT-LHR
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 Kwiecień 23, 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.
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Food
7.2
Boarding
8.1
Overall
7.9
Crew
8.5
Comfort
7.9
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Ontario to Europe. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to Europe
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Complete your trip
Complete your trip to Europe by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Europe by cabin class
Find flights from Ontario to Europe, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Europe flights
Browse other Ontario and Europe flight options. Last updated on Kwiecień 23, 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 Kwiecień 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$497 | Average$734 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$504 | Average$902 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$515 | Average$874 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$557 | Average$918 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$580 | Average$967 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$624 | Average$897 | FlexibilityNo cancel fee | On-time71% |