$131+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
Aug 29 — Sep 51
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Europe with Cheapflights
1. Tell us where you want to go
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Cheapest flights from Ontario to EuropeExplore the most affordable flight options available from Ontario to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
Explore the most affordable flight options available from Ontario to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2026.
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:05 am
ONT
- ATH
1 stop18h 40m
Iberia
Sat 8/222:00 pm
ATH
- ONT
1 stop18h 59m
Iberia
Deal found 7/28![Iberia logo]()
$540
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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.
Sat 11/77:00 am
ONT
- FCO
1 stop18h 45m
Iberia
Tue 11/171:00 pm
FCO
- ONT
1 stop18h 57m
Iberia
Deal found 7/28![Iberia logo]()
$542
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/17:05 am
ONT
- MAD
1 stop17h 00m
British Airways
Thu 9/173:55 pm
MAD
- ONT
1 stop16h 41m
British Airways
Deal found 7/28![British Airways logo]()
$602
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/811:59 pm
ONT
- FCO
1 stop25h 46m
Multiple Airlines
Sun 11/151:00 pm
FCO
- ONT
1 stop17h 32m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$659
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:00 am
ONT
- FRA
2 stops44h 05m
United Airlines
Thu 11/1210:05 am
FRA
- ONT
2 stops43h 46m
United Airlines
Deal found 7/28![United Airlines logo]()
$733
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:37 pm
ONT
- LHR
1 stop28h 48m
United Airlines
Thu 11/126:50 am
LHR
- ONT
2 stops19h 57m
United Airlines
Deal found 7/29![United Airlines logo]()
$736
This Vliegwinkel deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/912:08 pm
ONT
- FCO
1 stop16h 07m
Alaska Airlines
Tue 8/253:15 pm
FCO
- ONT
1 stop31h 54m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$737
This Expedia deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 11/1610:30 am
ONT
- FCO
1 stop15h 15m
British Airways
Fri 11/201:00 pm
FCO
- ONT
1 stop17h 39m
British Airways
Deal found 7/30![British Airways logo]()
$739
This flugladen.de deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:04 pm
ONT
- FCO
1 stop16h 11m
Alaska Airlines
Tue 9/13:15 pm
FCO
- ONT
1 stop36h 48m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$748
This Expedia deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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.
Sun 11/811:59 pm
ONT
- FCO
1 stop25h 46m
British Airways
Fri 11/201:00 pm
FCO
- ONT
1 stop17h 39m
British Airways
Deal found 7/28![British Airways logo]()
$749
This SmartFares deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/32:22 pm
ONT
- MAD
1 stop33h 43m
British Airways
Fri 10/233:55 pm
MAD
- ONT
1 stop16h 57m
British Airways
Deal found 7/27![British Airways logo]()
$750
This KLM deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3012:00 pm
ONT
- FCO
1 stop14h 20m
Multiple Airlines
Wed 1/131:30 pm
FCO
- ONT
1 stop17h 44m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$752
Best flights from Ontario to EuropeDiscover carefully curated flight deals from Ontario to Europe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
Discover carefully curated flight deals from Ontario to Europe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 8/237:59 pm
ONT
- FCO
1 stop32h 16m
Alaska Airlines
Wed 9/23:15 pm
FCO
- ONT
1 stop31h 54m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$788
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 1/116:00 am
ONT
- MAD
2 stops17h 00m
United Airlines
Mon 1/181:20 pm
MAD
- ONT
2 stops38h 24m
United Airlines
Deal found 7/29![United Airlines logo]()
$792
This Finnair deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/242:22 pm
ONT
- MAD
1 stop15h 03m
Multiple Airlines
Thu 10/812:30 pm
MAD
- ONT
2 stops20h 22m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$807
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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 8/1412:00 pm
ONT
- FRA
2 stops35h 40m
Delta
Wed 9/92:15 pm
FRA
- ONT
2 stops35h 20m
Delta
Deal found 7/27![Delta logo]()
$835
This KLM deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:22 pm
ONT
- ATH
2 stops18h 08m
KLM
Wed 11/186:10 am
ATH
- ONT
2 stops20h 20m
KLM
Deal found 7/29![KLM logo]()
$887
This British Airways deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 11/16:00 am
ONT
- FRA
1 stop16h 15m
British Airways
Sun 11/810:15 am
FRA
- ONT
1 stop17h 32m
British Airways
Deal found 7/28![British Airways logo]()
$953
This Qatar Airways deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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.
Wed 9/26:02 am
ONT
- IST
2 stops38h 18m
Qatar Airways
Mon 9/218:05 pm
IST
- ONT
2 stops32h 58m
Qatar Airways
Deal found 7/30![Qatar Airways logo]()
$982
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:05 am
ONT
- LGW
2 stops19h 35m
American Airlines
Sun 9/132:30 pm
LGW
- ONT
2 stops30h 55m
American Airlines
Deal found 7/30![American Airlines logo]()
$984
This JetBlue deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:39 pm
ONT
- LHR
1 stop14h 06m
JetBlue
Wed 9/238:15 am
LHR
- ONT
1 stop20h 42m
JetBlue
Deal found 7/25![JetBlue logo]()
$1,043
This Turkish Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:10 pm
ONT
- FRA
2 stops31h 30m
Turkish Airlines
Tue 9/2911:30 am
FRA
- ONT
2 stops41h 43m
Turkish Airlines
Deal found 7/26![Turkish Airlines logo]()
$1,058
This Iberia deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/208:25 am
ONT
- FRA
1 stop15h 20m
Iberia
Mon 10/510:55 am
FRA
- ONT
1 stop21h 57m
Iberia
Deal found 7/30![Iberia logo]()
$1,132
This Alaska Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:04 pm
ONT
- FCO
1 stop16h 11m
Alaska Airlines
Mon 8/243:15 pm
FCO
- ONT
1 stop17h 09m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$810
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:00 am
ONT
- FCO
1 stop15h 55m
United Airlines
Wed 9/99:45 am
FCO
- ONT
1 stop22h 14m
United Airlines
Deal found 7/28![United Airlines logo]()
$822
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/256:00 am
ONT
- FCO
2 stops18h 35m
Delta
Fri 1/81:30 pm
FCO
- ONT
1 stop17h 44m
Delta
Deal found 7/26![Delta logo]()
$867
This Condor deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:35 pm
ONT
- FRA
1 stop18h 10m
Multiple Airlines
Wed 9/3011:40 am
FRA
- ONT
1 stop18h 17m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$912
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:00 am
ONT
- ATH
2 stops18h 05m
United Airlines
Thu 11/196:45 am
ATH
- ONT
2 stops22h 02m
United Airlines
Deal found 7/30![United Airlines logo]()
$832
This Air Serbia deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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.
Mon 8/2411:59 pm
ONT
- ATH
2 stops28h 51m
Air Serbia
Tue 9/18:10 am
ATH
- ONT
2 stops48h 27m
Air Serbia
Deal found 7/29![Air Serbia logo]()
$1,835
This British Airways deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/910:29 am
ONT
- FCO
1 stop16h 36m
British Airways
Tue 8/251:10 pm
FCO
- ONT
1 stop18h 49m
British Airways
Deal found 7/29![British Airways logo]()
$957
This Alaska Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:00 pm
ONT
- LHR
1 stop16h 20m
Alaska Airlines
Fri 12/112:45 pm
LHR
- ONT
1 stop15h 54m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$876
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:00 pm
ONT
- FRA
1 stop25h 55m
Delta
Sun 10/1810:40 am
FRA
- ONT
1 stop16h 42m
Delta
Deal found 7/26![Delta logo]()
$884
This Qatar Airways deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 10/116:02 am
ONT
- IST
2 stops38h 18m
Qatar Airways
Thu 10/228:05 pm
IST
- ONT
2 stops31h 55m
Qatar Airways
Deal found 7/28![Qatar Airways logo]()
$982
This KLM deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 11/2612:22 pm
ONT
- ATH
2 stops18h 13m
KLM
Mon 12/76:10 am
ATH
- ONT
2 stops20h 20m
KLM
Deal found 7/30![KLM logo]()
$991
This JetBlue deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:39 pm
ONT
- LHR
1 stop14h 06m
JetBlue
Wed 10/1411:55 am
LHR
- ONT
1 stop18h 14m
JetBlue
Deal found 7/26![JetBlue logo]()
$1,043
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/251:18 pm
ONT
- FCO
2 stops24h 42m
United Airlines
Fri 1/81:30 pm
FCO
- ONT
2 stops18h 36m
United Airlines
Deal found 7/26![United Airlines logo]()
$870
This Alaska Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:02 am
ONT
- FCO
1 stop22h 13m
Alaska Airlines
Sun 8/163:15 pm
FCO
- ONT
1 stop16h 56m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$887
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:00 pm
ONT
- FRA
2 stops26h 50m
Delta
Wed 9/3010:40 am
FRA
- ONT
1 stop33h 29m
Delta
Deal found 7/26![Delta logo]()
$888
This Qatar Airways deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” 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.
Wed 9/1612:12 pm
ONT
- IST
2 stops32h 08m
Qatar Airways
Fri 10/238:05 pm
IST
- ONT
2 stops48h 12m
Qatar Airways
Deal found 7/27![Qatar Airways logo]()
$989
This Turkish Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/1510:39 pm
ONT
- CDG
2 stops26h 21m
Turkish Airlines
Tue 9/2211:40 am
CDG
- ONT
2 stops42h 17m
Turkish Airlines
Deal found 7/28![Turkish Airlines logo]()
$1,104
This Finnair deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/312:33 pm
ONT
- LHR
1 stop14h 22m
Multiple Airlines
Tue 9/2912:55 pm
LHR
- ONT
1 stop15h 14m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$1,018
This British Airways deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:05 pm
ONT
- LHR
1 stop13h 25m
British Airways
Mon 11/21:50 pm
LHR
- ONT
1 stop15h 42m
British Airways
Deal found 7/27![British Airways logo]()
$1,033
Last-minute flights from Ontario to EuropeDiscover last-minute flight deals from Ontario to Europe. Data last updated July 30, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Europe. Data last updated July 30, 2026 and is based on user searches.
This flugladen.de deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:04 pm
ONT
- FCO
1 stop16h 11m
Alaska Airlines
Wed 8/193:15 pm
FCO
- ONT
1 stop28h 49m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$753
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:05 am
ONT
- ATH
1 stop18h 40m
Iberia
Sat 8/222:00 pm
ATH
- ONT
1 stop18h 59m
Iberia
Deal found 7/28![Iberia logo]()
$540
This Vliegwinkel deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/912:08 pm
ONT
- FCO
1 stop16h 07m
Alaska Airlines
Tue 8/253:15 pm
FCO
- ONT
1 stop31h 54m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$737
This flugladen.de deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:04 pm
ONT
- FCO
1 stop16h 11m
Alaska Airlines
Tue 8/253:15 pm
FCO
- ONT
1 stop31h 54m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$759
This Air Canada deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/161:18 pm
ONT
- FCO
2 stops34h 57m
Air Canada
Wed 8/262:20 pm
FCO
- ONT
2 stops31h 30m
Air Canada
Deal found 7/30![Air Canada logo]()
$765
This Air Canada deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/175:00 am
ONT
- FCO
2 stops19h 15m
Multiple Airlines
Wed 8/262:20 pm
FCO
- ONT
2 stops31h 30m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$760
This flugladen.de deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:04 pm
ONT
- FCO
1 stop16h 11m
Alaska Airlines
Tue 9/13:15 pm
FCO
- ONT
1 stop36h 48m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$748
This flugladen.de deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:00 pm
ONT
- FCO
1 stop16h 15m
Alaska Airlines
Wed 9/23:15 pm
FCO
- ONT
1 stop28h 49m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$752
This Cheapflightsfares deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:12 am
ONT
- FRA
1 stop18h 38m
Multiple Airlines
Thu 9/311:55 am
FRA
- ONT
1 stop17h 29m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$778
This Expedia deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 8/2512:33 pm
ONT
- ATH
2 stops20h 32m
British Airways
Thu 9/32:05 pm
ATH
- ONT
1 stop18h 54m
British Airways
Deal found 7/28![British Airways logo]()
$779
This Iberia deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:05 am
ONT
- ATH
1 stop18h 40m
Iberia
Tue 9/12:00 pm
ATH
- ONT
1 stop18h 59m
Iberia
Deal found 7/26![Iberia logo]()
$786
This Air France deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:43 am
ONT
- ATH
2 stops21h 57m
Multiple Airlines
Thu 9/36:00 am
ATH
- ONT
2 stops21h 21m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$794
One-way flights from Ontario to EuropeSearch for one-way flight options from Ontario to Europe. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
Search for one-way flight options from Ontario to Europe. Find affordable one-way fares based on user searches. Data last updated July 30, 2026.
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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.
Mon 8/317:05 am
ONT
- AMS
1 stop16h 35m
Iberia
Deal found 7/28![Iberia logo]()
$131
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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.
Sat 9/268:25 am
ONT
- CDG
1 stop14h 20m
Iberia
Deal found 7/28![Iberia logo]()
$195
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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.
Mon 8/245:17 pm
ONT
- FRA
2 stops28h 08m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$284
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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.
Mon 9/710:29 am
ONT
- MAD
1 stop13h 36m
Iberia
Deal found 7/28![Iberia logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 10/183:57 pm
ONT
- LGW
2 stops34h 03m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$286
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/17:05 am
ONT
- CDG
1 stop17h 55m
Iberia
Deal found 7/28![Iberia logo]()
$299
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/812:33 pm
ONT
- FCO
1 stop14h 32m
Iberia
Deal found 7/28![Iberia logo]()
$299
This Trip.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 10/216:00 am
ONT
- AMS
2 stops25h 05m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$309
This Trip.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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.
Sat 10/176:00 am
ONT
- AMS
2 stops22h 00m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$310
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:00 am
ONT
- AMS
2 stops22h 00m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$312
This Flightnetwork deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/113:09 pm
ONT
- LHR
1 stop12h 51m
British Airways
Deal found 7/27![British Airways logo]()
$313
This Mytrip deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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.
Mon 8/317:05 am
ONT
- ATH
1 stop18h 40m
British Airways
Deal found 7/29![British Airways logo]()
$321
Find flight deals from Ontario to Europe
Keep the following information in mind while searching for Ontario to Europe flight deals. Data was last updated July 30, 2026.
Round-trip from | $540 (Trip.com) |
|---|---|
One-way from | $131 (Trip.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,295 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Europe that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2026.
Use the filters below to find and compare flights from Ontario to Europe that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioRome
ONT - FCO
ONTFCO
Ontario
Sun 8/23
7:59 pm-1:15 pm
1 stop32h 16m
Rome Fiumicino
Wed 9/2
3:15 pm-2:09 pm
1 stop31h 54m
$788
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Mon 1/11
6:00 am-8:00 am
2 stops17h 00m
Madrid Barajas
Mon 1/18
1:20 pm-6:44 pm
2 stops38h 24m
$792
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Thu 9/24
2:22 pm-2:25 pm
1 stop15h 03m
Madrid Barajas
Thu 10/8
12:30 pm-11:52 pm
2 stops20h 22m
$807
OntarioRome
ONT - FCO
ONTFCO
Ontario
Mon 8/17
12:04 pm-1:15 pm
1 stop16h 11m
Rome Fiumicino
Mon 8/24
3:15 pm-11:24 pm
1 stop17h 09m
$810
OntarioRome
ONT - FCO
ONTFCO
Ontario
Sun 8/30
7:00 am-7:55 am
1 stop15h 55m
Rome Fiumicino
Wed 9/9
9:45 am-10:59 pm
1 stop22h 14m
$822
OntarioAthens
ONT - ATH
ONTATH
Ontario
Wed 11/11
6:00 am-10:05 am
2 stops18h 05m
Athens Eleftherios V.
Thu 11/19
6:45 am-6:47 pm
2 stops22h 02m
$832
OntarioFrankfurt am Main
ONT - FRA
ONTFRA
Ontario
Fri 8/14
12:00 pm-8:40 am
2 stops35h 40m
Frankfurt am Main
Wed 9/9
2:15 pm-4:35 pm
2 stops35h 20m
$835
OntarioRome
ONT - FCO
ONTFCO
Ontario
Fri 12/25
6:00 am-9:35 am
2 stops18h 35m
Rome Fiumicino
Fri 1/8
1:30 pm-10:14 pm
1 stop17h 44m
$867
OntarioRome
ONT - FCO
ONTFCO
Ontario
Fri 12/25
1:18 pm-11:00 pm
2 stops24h 42m
Rome Fiumicino
Fri 1/8
1:30 pm-11:06 pm
2 stops18h 36m
$870
OntarioLondon
ONT - LHR
ONTLHR
Ontario
Wed 12/2
12:00 pm-12:20 pm
1 stop16h 20m
London Heathrow
Fri 12/11
2:45 pm-10:39 pm
1 stop15h 54m
$876
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-LGW
ONT-FCO
ONT-IST
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-LGW
ONT-FCO
What is the cheapest month to book a flight from Ontario to Europe?
Currently, January is the cheapest month in which you can book a flight from Ontario to Europe (average of $688). Flying from Ontario to Europe in June is currently the most expensive (average of $1,385). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Europe
Get insights into the airlines that provide service to Europe. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Europe. Reviews last updated July 30, 2026.
See what other customers who have flown with Delta,Virgin Atlantic, 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.
Entertainment
7.8
Overall
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Overall
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Overall
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Overall
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Overall
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Overall
7.8
Boarding
8.1
Comfort
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Ontario to Europe. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to Europe
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Europe by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Europe by cabin class
Find flights from Ontario to Europe, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Europe flights
Browse other Ontario and Europe flight options. Last updated on July 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Europe countries
Consider these flights traveling to countries located in Europe.
Ontario to Europe flights
Consider these flights traveling from Ontario to Europe.
Top 8 airlines flying from Ontario to Europe
Discover the top 8 airlines that operate flights from Ontario to Europe. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$329 | Average$817 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$439 | Average$734 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$469 | Average$646 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$515 | Average$962 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$522 | Average$638 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$535 | Average$1,035 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$657 | Average$1,321 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$931 | Average$1,592 | FlexibilityNo cancel fee | On-time75% |