$343+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
Jun 19 — Jun 261
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 May 20, 2026.
Explore the most affordable flight options available from Ontario to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2026.
This United Airlines deal was found by Cheapflights users on 5/19. 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.
Sun 8/96:10 am
ONT
- FCO
1 stop16h 45m
United Airlines
Tue 8/2511:30 am
FCO
- ONT
2 stops39h 46m
United Airlines
Deal found 5/19![United Airlines logo]()
$707
This oojo deal was found by Cheapflights users on 5/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 am
ONT
- FCO
1 stop18h 45m
British Airways
Tue 11/241:00 pm
FCO
- ONT
1 stop19h 57m
British Airways
Deal found 5/16![British Airways logo]()
$723
This British Airways deal was found by Cheapflights users on 5/15. 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.
Sun 8/1612:33 pm
ONT
- FCO
2 stops19h 32m
British Airways
Thu 8/271:30 pm
FCO
- ONT
1 stop17h 34m
British Airways
Deal found 5/15![British Airways logo]()
$726
This Kiwi.com deal was found by Cheapflights users on 5/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:00 am
ONT
- FCO
1 stop20h 05m
Iberia
Thu 8/201:10 pm
FCO
- ONT
1 stop17h 02m
Iberia
Deal found 5/17![Iberia logo]()
$727
This United Airlines deal was found by Cheapflights users on 5/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:10 am
ONT
- FCO
1 stop16h 45m
United Airlines
Wed 8/269:45 am
FCO
- ONT
1 stop19h 12m
United Airlines
Deal found 5/16![United Airlines logo]()
$728
This Mytrip deal was found by Cheapflights users on 5/18. 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.
Tue 8/45:00 am
ONT
- FCO
2 stops21h 45m
Air Canada
Thu 8/2712:25 pm
FCO
- ONT
2 stops41h 28m
Air Canada
Deal found 5/18![Air Canada logo]()
$731
This Cheapflightsfares deal was found by Cheapflights users on 5/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/912:33 pm
ONT
- FCO
1 stop14h 32m
British Airways
Wed 8/261:10 pm
FCO
- ONT
1 stop17h 02m
British Airways
Deal found 5/15![British Airways logo]()
$733
This Expedia deal was found by Cheapflights users on 5/18. 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.
Tue 8/410:25 am
ONT
- FCO
1 stop16h 40m
Iberia
Thu 8/2712:00 pm
FCO
- ONT
2 stops39h 47m
Iberia
Deal found 5/18![Iberia logo]()
$737
This British Airways deal was found by Cheapflights users on 5/15. 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.
Sat 8/1511:59 pm
ONT
- FCO
1 stop27h 06m
British Airways
Fri 8/281:10 pm
FCO
- ONT
1 stop29h 24m
British Airways
Deal found 5/15![British Airways logo]()
$739
This Cheapflightsfares deal was found by Cheapflights users on 5/17. 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 11/1710:47 am
ONT
- FCO
1 stop14h 58m
British Airways
Tue 12/11:00 pm
FCO
- ONT
1 stop18h 23m
British Airways
Deal found 5/17![British Airways logo]()
$743
This Priceline deal was found by Cheapflights users on 5/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2510:25 am
ONT
- FCO
2 stops18h 00m
Multiple Airlines
Thu 11/511:10 am
FCO
- ONT
2 stops21h 47m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$744
This Cheapflightsfares deal was found by Cheapflights users on 5/16. 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.
Tue 10/1310:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Tue 10/2012:20 pm
MAD
- ONT
1 stop15h 37m
British Airways
Deal found 5/16![British Airways logo]()
$751
Best flights from Ontario to EuropeDiscover carefully curated flight deals from Ontario to Europe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 20, 2026.
Discover carefully curated flight deals from Ontario to Europe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 20, 2026.
This KLM deal was found by Cheapflights users on 5/15. 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.
Sun 10/1812:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Fri 10/239:50 am
MAD
- ONT
1 stop17h 28m
KLM
Deal found 5/15![KLM logo]()
$764
This United Airlines deal was found by Cheapflights users on 5/19. 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.
Mon 9/149:01 am
ONT
- FCO
1 stop19h 39m
United Airlines
Fri 9/259:45 am
FCO
- ONT
1 stop21h 41m
United Airlines
Deal found 5/19![United Airlines logo]()
$787
This Finnair deal was found by Cheapflights users on 5/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:00 am
ONT
- MAD
1 stop23h 25m
Multiple Airlines
Sat 9/263:55 pm
MAD
- ONT
1 stop16h 11m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$814
This Delta deal was found by Cheapflights users on 5/16. 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.
Fri 8/217:05 am
ONT
- FRA
1 stop16h 50m
Delta
Sun 9/610:40 am
FRA
- ONT
1 stop16h 21m
Delta
Deal found 5/16![Delta logo]()
$890
This British Airways deal was found by Cheapflights users on 5/16. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/31:10 pm
ONT
- LHR
1 stop13h 55m
British Airways
Thu 8/208:55 am
LHR
- ONT
1 stop17h 52m
British Airways
Deal found 5/16![British Airways logo]()
$924
This Alaska Airlines deal was found by Cheapflights users on 5/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:12 pm
ONT
- LHR
1 stop15h 53m
Alaska Airlines
Fri 9/255:00 pm
LHR
- ONT
1 stop14h 24m
Alaska Airlines
Deal found 5/16![Alaska Airlines logo]()
$1,024
This Turkish Airlines deal was found by Cheapflights users on 5/16. 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.
Fri 9/119:10 pm
ONT
- DUB
2 stops52h 25m
Turkish Airlines
Fri 9/1810:40 am
DUB
- ONT
2 stops41h 33m
Turkish Airlines
Deal found 5/16![Turkish Airlines logo]()
$1,156
This Qatar Airways deal was found by Cheapflights users on 5/18. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2212:04 pm
ONT
- IST
2 stops37h 51m
Qatar Airways
Sun 7/128:05 pm
IST
- ONT
2 stops37h 06m
Qatar Airways
Deal found 5/18![Qatar Airways logo]()
$1,401
This KLM deal was found by Cheapflights users on 5/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:00 pm
ONT
- MAD
1 stop13h 55m
KLM
Fri 10/3011:55 am
MAD
- ONT
1 stop18h 19m
KLM
Deal found 5/18![KLM logo]()
$814
This Air Serbia deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/911:50 pm
ONT
- ATH
2 stops29h 55m
Air Serbia
Mon 8/312:10 pm
ATH
- ONT
2 stops42h 25m
Air Serbia
Deal found 5/14![Air Serbia logo]()
$1,648
This United Airlines deal was found by Cheapflights users on 5/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:01 am
ONT
- ATH
2 stops19h 54m
United Airlines
Fri 9/186:45 am
ATH
- ONT
2 stops22h 32m
United Airlines
Deal found 5/16![United Airlines logo]()
$869
This KLM deal was found by Cheapflights users on 5/15. 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.
Sat 10/1712:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Fri 10/239:50 am
MAD
- ONT
1 stop17h 28m
KLM
Deal found 5/15![KLM logo]()
$814
This Finnair deal was found by Cheapflights users on 5/19. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:06 am
ONT
- MAD
2 stops16h 14m
Multiple Airlines
Wed 9/211:45 am
MAD
- ONT
2 stops20h 13m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$910
This Delta deal was found by Cheapflights users on 5/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am
ONT
- FCO
1 stop18h 10m
Delta
Mon 10/51:10 pm
FCO
- ONT
1 stop17h 46m
Delta
Deal found 5/15![Delta logo]()
$921
This British Airways deal was found by Cheapflights users on 5/15. 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 8/47:00 am
ONT
- ATH
1 stop18h 45m
British Airways
Thu 8/132:05 pm
ATH
- ONT
1 stop18h 53m
British Airways
Deal found 5/15![British Airways logo]()
$928
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Sun 7/265:00 am
ONT
- PMI
2 stops40h 15m
United Airlines
Wed 8/1210:00 am
PMI
- ONT
2 stops18h 57m
United Airlines
Deal found 5/15![United Airlines logo]()
$874
This Icelandair deal was found by Cheapflights users on 5/16. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:02 am
ONT
- DUB
2 stops21h 03m
Multiple Airlines
Tue 9/12:15 pm
DUB
- ONT
2 stops17h 09m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$923
This Alaska Airlines deal was found by Cheapflights users on 5/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:02 am
ONT
- FCO
1 stop22h 13m
Alaska Airlines
Fri 8/213:25 pm
FCO
- ONT
1 stop16h 59m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$1,041
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Sat 9/195:00 am
ONT
- MAD
3 stops19h 50m
United Airlines
Sat 9/2611:15 am
MAD
- ONT
2 stops20h 44m
United Airlines
Deal found 5/17![United Airlines logo]()
$899
This Delta deal was found by Cheapflights users on 5/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:55 am
ONT
- FCO
2 stops22h 10m
Delta
Sun 10/412:45 pm
FCO
- ONT
2 stops19h 59m
Delta
Deal found 5/15![Delta logo]()
$997
This KLM deal was found by Cheapflights users on 5/19. 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.
Mon 11/167:00 am
ONT
- DUB
1 stop16h 45m
KLM
Mon 11/239:45 am
DUB
- ONT
1 stop16h 33m
KLM
Deal found 5/19![KLM logo]()
$925
This British Airways deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1211:59 pm
ONT
- FRA
1 stop23h 46m
British Airways
Sat 7/259:20 am
FRA
- ONT
1 stop22h 14m
British Airways
Deal found 5/14![British Airways logo]()
$1,019
This Icelandair deal was found by Cheapflights users on 5/19. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:12 pm
ONT
- DUB
2 stops35h 53m
Multiple Airlines
Thu 9/242:15 pm
DUB
- ONT
2 stops17h 09m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$936
This Alaska Airlines deal was found by Cheapflights users on 5/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:12 pm
ONT
- LHR
1 stop15h 53m
Alaska Airlines
Tue 9/155:00 pm
LHR
- ONT
1 stop26h 16m
Alaska Airlines
Deal found 5/17![Alaska Airlines logo]()
$1,050
This Turkish Airlines deal was found by Cheapflights users on 5/19. 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.
Tue 9/111:50 pm
ONT
- FRA
2 stops36h 25m
Turkish Airlines
Fri 9/116:50 am
FRA
- ONT
2 stops46h 23m
Turkish Airlines
Deal found 5/19![Turkish Airlines logo]()
$1,207
This Delta deal was found by Cheapflights users on 5/17. 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.
Sat 7/47:05 am
ONT
- FRA
1 stop16h 50m
Delta
Thu 7/3010:40 am
FRA
- ONT
1 stop20h 10m
Delta
Deal found 5/17![Delta logo]()
$1,020
This British Airways deal was found by Cheapflights users on 5/18. 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.
Mon 9/146:00 am
ONT
- FRA
1 stop17h 45m
British Airways
Mon 9/219:20 am
FRA
- ONT
1 stop19h 35m
British Airways
Deal found 5/18![British Airways logo]()
$1,020
This United Airlines deal was found by Cheapflights users on 5/17. 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.
Tue 8/187:00 am
ONT
- DUB
1 stop18h 45m
United Airlines
Tue 9/19:50 am
DUB
- ONT
2 stops42h 07m
United Airlines
Deal found 5/17![United Airlines logo]()
$928
This KLM deal was found by Cheapflights users on 5/17. 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.
Sat 10/37:00 am
ONT
- ATH
1 stop16h 20m
KLM
Sun 10/189:45 am
ATH
- ONT
1 stop18h 33m
KLM
Deal found 5/17![KLM logo]()
$934
This Icelandair deal was found by Cheapflights users on 5/15. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:05 am
ONT
- DUB
2 stops16h 10m
Multiple Airlines
Wed 11/1811:30 am
DUB
- ONT
2 stops19h 24m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$953
Last-minute flights from Ontario to EuropeDiscover last-minute flight deals from Ontario to Europe. Data last updated May 20, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Europe. Data last updated May 20, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/15. 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 5/191:30 pm
ONT
- FCO
1 stop15h 10m
United Airlines
Mon 5/252:20 pm
FCO
- ONT
1 stop15h 22m
United Airlines
Deal found 5/15![United Airlines logo]()
$848
This United Airlines deal was found by Cheapflights users on 5/19. 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.
Wed 5/201:30 pm
ONT
- FCO
1 stop15h 10m
United Airlines
Wed 5/279:45 am
FCO
- ONT
1 stop22h 06m
United Airlines
Deal found 5/19![United Airlines logo]()
$787
This United Airlines deal was found by Cheapflights users on 5/18. 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.
Wed 5/201:30 pm
ONT
- FCO
1 stop15h 10m
United Airlines
Sun 5/246:50 am
FCO
- ONT
2 stops20h 06m
United Airlines
Deal found 5/18![United Airlines logo]()
$847
This Delta deal was found by Cheapflights users on 5/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:07 pm
ONT
- FCO
1 stop15h 33m
Delta
Wed 5/271:10 pm
FCO
- ONT
1 stop17h 38m
Delta
Deal found 5/18![Delta logo]()
$887
This United Airlines deal was found by Cheapflights users on 5/18. 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.
Thu 5/211:50 pm
ONT
- FCO
1 stop14h 50m
United Airlines
Mon 5/2510:50 am
FCO
- ONT
2 stops40h 06m
United Airlines
Deal found 5/18![United Airlines logo]()
$859
This FlightHub deal was found by Cheapflights users on 5/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:00 am
ONT
- FCO
2 stops29h 45m
Multiple Airlines
Thu 5/288:10 am
FCO
- ONT
2 stops21h 37m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$920
This Icelandair deal was found by Cheapflights users on 5/18. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:00 am
ONT
- DUB
2 stops23h 15m
Multiple Airlines
Wed 6/2412:15 pm
DUB
- ONT
2 stops18h 56m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$912
This Cheapflightsfares deal was found by Cheapflights users on 5/17. 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.
Mon 6/111:15 am
ONT
- FRA
1 stop14h 35m
Multiple Airlines
Fri 6/511:40 am
FRA
- ONT
1 stop18h 07m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$810
This FlightHub deal was found by Cheapflights users on 5/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:15 am
ONT
- FRA
1 stop14h 35m
Multiple Airlines
Tue 6/911:40 am
FRA
- ONT
1 stop18h 07m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$851
This FlightHub deal was found by Cheapflights users on 5/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:15 am
ONT
- BCN
2 stops19h 45m
Multiple Airlines
Thu 6/118:00 am
BCN
- ONT
2 stops24h 51m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$916
This American Airlines deal was found by Cheapflights users on 5/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/31:10 pm
ONT
- CDG
2 stops19h 20m
American Airlines
Wed 6/102:05 pm
CDG
- ONT
2 stops18h 54m
American Airlines
Deal found 5/19![American Airlines logo]()
$786
This Iberia deal was found by Cheapflights users on 5/19. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2810:22 am
ONT
- CDG
1 stop14h 38m
Iberia
Wed 7/1510:00 am
CDG
- ONT
1 stop22h 59m
Iberia
Deal found 5/19![Iberia logo]()
$793
One-way flights from Ontario to EuropeSearch for one-way flight options from Ontario to Europe. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
Search for one-way flight options from Ontario to Europe. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
This American Airlines deal was found by Cheapflights users on 5/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1612:59 pm
ONT
- FCO
2 stops19h 06m
American Airlines
Deal found 5/15![American Airlines logo]()
$343
This Cheapflightsfares deal was found by Cheapflights users on 5/16. 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.
Tue 10/2010:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Deal found 5/16![British Airways logo]()
$344
This oojo deal was found by Cheapflights users on 5/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 am
ONT
- FCO
1 stop18h 45m
British Airways
Deal found 5/18![British Airways logo]()
$345
This United Airlines deal was found by Cheapflights users on 5/18. 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.
Tue 10/131:18 pm
ONT
- FCO
1 stop14h 02m
United Airlines
Deal found 5/18![United Airlines logo]()
$346
This Cheapflightsfares deal was found by Cheapflights users on 5/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:29 am
ONT
- MAD
1 stop13h 36m
British Airways
Deal found 5/18![British Airways logo]()
$348
This British Airways deal was found by Cheapflights users on 5/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/51:31 pm
ONT
- MAD
2 stops17h 19m
British Airways
Deal found 5/17![British Airways logo]()
$352
This oojo deal was found by Cheapflights users on 5/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:06 am
ONT
- MAD
1 stop16h 59m
British Airways
Deal found 5/19![British Airways logo]()
$353
This oojo deal was found by Cheapflights users on 5/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:20 am
ONT
- MAD
1 stop16h 45m
British Airways
Deal found 5/18![British Airways logo]()
$354
This Delta deal was found by Cheapflights users on 5/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 am
ONT
- MAD
2 stops18h 55m
Delta
Deal found 5/18![Delta logo]()
$355
This oojo deal was found by Cheapflights users on 5/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:59 pm
ONT
- FCO
1 stop27h 06m
British Airways
Deal found 5/19![British Airways logo]()
$356
This Orbitz deal was found by Cheapflights users on 5/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:32 pm
ONT
- FCO
2 stops53h 43m
Air Canada
Deal found 5/15![Air Canada logo]()
$361
This Delta deal was found by Cheapflights users on 5/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:05 pm
ONT
- MAD
2 stops29h 55m
Delta
Deal found 5/15![Delta logo]()
$361
Find flight deals from Ontario to Europe
Keep the following information in mind while searching for Ontario to Europe flight deals. Data was last updated May 20, 2026.
Round-trip from | $707 (United Airlines) |
|---|---|
One-way from | $343 (American Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $1,182 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Europe that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 20, 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
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sun 10/18
12:00 pm-12:15 pm
1 stop15h 15m
Madrid Barajas
Fri 10/23
9:50 am-6:18 pm
1 stop17h 28m
$764
OntarioRome
ONT - FCO
ONTFCO
Ontario
Mon 9/14
9:01 am-1:40 pm
1 stop19h 39m
Rome Fiumicino
Fri 9/25
9:45 am-10:26 pm
1 stop21h 41m
$787
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sun 9/20
6:00 am-2:25 pm
1 stop23h 25m
Madrid Barajas
Sat 9/26
3:55 pm-11:06 pm
1 stop16h 11m
$814
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sat 10/24
12:00 pm-10:55 am
1 stop13h 55m
Madrid Barajas
Fri 10/30
11:55 am-10:14 pm
1 stop18h 19m
$814
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sat 10/17
12:00 pm-12:15 pm
1 stop15h 15m
Madrid Barajas
Fri 10/23
9:50 am-6:18 pm
1 stop17h 28m
$814
OntarioAthens
ONT - ATH
ONTATH
Ontario
Wed 8/19
9:01 am-2:55 pm
2 stops19h 54m
Athens Eleftherios V.
Fri 9/18
6:45 am-7:17 pm
2 stops22h 32m
$869
OntarioPalma de Mallorca
ONT - PMI
ONTPMI
Ontario
Sun 7/26
5:00 am-6:15 am
2 stops40h 15m
Palma de Mallorca Son Sant Joan
Wed 8/12
10:00 am-7:57 pm
2 stops18h 57m
$874
OntarioFrankfurt am Main
ONT - FRA
ONTFRA
Ontario
Fri 8/21
7:05 am-8:55 am
1 stop16h 50m
Frankfurt am Main
Sun 9/6
10:40 am-6:01 pm
1 stop16h 21m
$890
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sat 9/19
5:00 am-9:50 am
3 stops19h 50m
Madrid Barajas
Sat 9/26
11:15 am-10:59 pm
2 stops20h 44m
$899
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Tue 8/11
7:06 am-8:20 am
2 stops16h 14m
Madrid Barajas
Wed 9/2
11:45 am-10:58 pm
2 stops20h 13m
$910
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-CDG
ONT-FCO
ONT-FRA
ONT-DUB
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-CDG
ONT-FCO
ONT-FRA
ONT-DUB
What is the cheapest month to book a flight from Ontario to Europe?
Currently, September is the cheapest month in which you can book a flight from Ontario to Europe (average of $251). Flying from Ontario to Europe in June is currently the most expensive (average of $575). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Europe
Get insights into the airlines that provide service to Europe. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Europe. Reviews last updated May 20, 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.
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Boarding
8.1
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.9
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 May 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Europe countries
Consider these flights traveling to countries located in Europe.
Ontario to Europe flights
Consider these flights traveling from Ontario to Europe.
Top 6 airlines flying from Ontario to Europe
Discover the top 6 airlines that operate flights from Ontario to Europe. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$497 | Average$695 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$504 | Average$919 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$515 | Average$876 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$557 | Average$973 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$580 | Average$967 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$620 | Average$890 | FlexibilityNo cancel fee | On-time71% |