$318+ 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
Jun 30 — Jul 71
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Europe with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Ontario to EuropeExplore the most affordable flight options available from Ontario to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 31, 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 31, 2026.
This United Airlines deal was found by Cheapflights users on 5/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:00 pm
ONT
- MXP
2 stops33h 30m
United Airlines
Tue 11/243:05 pm
MXP
- ONT
1 stop16h 21m
United Airlines
Deal found 5/27![United Airlines logo]()
$703
This Delta deal was found by Cheapflights users on 5/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:55 am
ONT
- IST
2 stops21h 00m
Delta
Wed 11/187:15 am
IST
- ONT
2 stops19h 57m
Delta
Deal found 5/29![Delta logo]()
$704
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Wed 11/117:00 am
ONT
- FCO
1 stop15h 45m
United Airlines
Wed 11/181:15 pm
FCO
- ONT
2 stops42h 11m
United Airlines
Deal found 5/26![United Airlines logo]()
$707
This Booking.com deal was found by Cheapflights users on 5/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:00 am
ONT
- FCO
2 stops21h 45m
Air Canada
Wed 8/2611:30 am
FCO
- ONT
2 stops42h 23m
Air Canada
Deal found 5/30![Air Canada logo]()
$711
This KLM deal was found by Cheapflights users on 5/29. 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.
Tue 10/2712:00 pm
ONT
- MXP
1 stop15h 10m
KLM
Tue 11/101:05 pm
MXP
- ONT
1 stop18h 09m
KLM
Deal found 5/29![KLM logo]()
$712
This Cheapflightsfares deal was found by Cheapflights users on 5/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:33 pm
ONT
- FCO
1 stop14h 32m
British Airways
Thu 8/271:10 pm
FCO
- ONT
1 stop17h 02m
British Airways
Deal found 5/29![British Airways logo]()
$713
This Delta deal was found by Cheapflights users on 5/27. 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.
Wed 11/257:00 am
ONT
- MXP
1 stop19h 10m
Delta
Fri 12/46:55 am
MXP
- ONT
2 stops18h 17m
Delta
Deal found 5/27![Delta logo]()
$714
This United Airlines deal was found by Cheapflights users on 5/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:02 am
ONT
- MXP
2 stops16h 28m
United Airlines
Wed 11/253:05 pm
MXP
- ONT
1 stop16h 21m
United Airlines
Deal found 5/27![United Airlines logo]()
$716
This Air Canada deal was found by Cheapflights users on 5/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:00 am
ONT
- FCO
2 stops19h 15m
Multiple Airlines
Fri 8/2812:25 pm
FCO
- ONT
2 stops32h 47m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$716
This United Airlines deal was found by Cheapflights users on 5/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:00 am
ONT
- FCO
1 stop15h 45m
United Airlines
Tue 11/2410:30 am
FCO
- ONT
2 stops42h 50m
United Airlines
Deal found 5/27![United Airlines logo]()
$718
This Delta deal was found by Cheapflights users on 5/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:05 am
ONT
- MXP
1 stop17h 20m
Delta
Wed 8/2611:40 am
MXP
- ONT
1 stop17h 13m
Delta
Deal found 5/30![Delta logo]()
$719
This oojo deal was found by Cheapflights users on 5/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:00 am
ONT
- FCO
1 stop21h 05m
British Airways
Thu 8/271:10 pm
FCO
- ONT
1 stop17h 02m
British Airways
Deal found 5/26![British Airways logo]()
$719
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 31, 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 31, 2026.
This British Airways deal was found by Cheapflights users on 5/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:33 pm
ONT
- FCO
2 stops19h 22m
British Airways
Thu 8/201:30 pm
FCO
- ONT
1 stop17h 34m
British Airways
Deal found 5/26![British Airways logo]()
$725
This United Airlines deal was found by Cheapflights users on 5/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:00 am
ONT
- MXP
2 stops42h 20m
United Airlines
Sun 8/239:00 am
MXP
- ONT
2 stops22h 59m
United Airlines
Deal found 5/27![United Airlines logo]()
$775
This Delta deal was found by Cheapflights users on 5/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:00 am
ONT
- IST
2 stops35h 30m
Delta
Sun 8/235:20 pm
IST
- ONT
2 stops34h 01m
Delta
Deal found 5/30![Delta logo]()
$851
This KLM deal was found by Cheapflights users on 5/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:00 pm
ONT
- LHR
1 stop13h 00m
KLM
Wed 9/3010:55 am
LHR
- ONT
1 stop13h 38m
KLM
Deal found 5/28![KLM logo]()
$896
This Alaska Airlines deal was found by Cheapflights users on 5/28. 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.
Wed 8/56:02 am
ONT
- FCO
1 stop22h 13m
Alaska Airlines
Fri 8/213:25 pm
FCO
- ONT
1 stop16h 59m
Alaska Airlines
Deal found 5/28![Alaska Airlines logo]()
$920
This KLM deal was found by Cheapflights users on 5/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:00 pm
ONT
- IST
2 stops17h 55m
Multiple Airlines
Sun 11/157:15 am
IST
- ONT
2 stops19h 57m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$958
This Turkish Airlines deal was found by Cheapflights users on 5/26. 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.
Tue 9/811:50 pm
ONT
- FRA
2 stops60h 25m
Turkish Airlines
Tue 9/153:05 pm
FRA
- ONT
2 stops38h 08m
Turkish Airlines
Deal found 5/26![Turkish Airlines logo]()
$1,127
This Qatar Airways deal was found by Cheapflights users on 5/29. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:00 pm
ONT
- IST
2 stops37h 55m
Qatar Airways
Sun 10/118:05 pm
IST
- ONT
2 stops31h 55m
Qatar Airways
Deal found 5/29![Qatar Airways logo]()
$1,172
This Etihad Airways deal was found by Cheapflights users on 5/30. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2311:50 pm
ONT
- IST
2 stops51h 15m
Etihad Airways
Thu 8/62:10 pm
IST
- ONT
2 stops42h 25m
Etihad Airways
Deal found 5/30![Etihad Airways logo]()
$1,467
This United Airlines deal was found by Cheapflights users on 5/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:00 am
ONT
- FCO
2 stops17h 55m
United Airlines
Mon 11/301:30 pm
FCO
- ONT
2 stops37h 17m
United Airlines
Deal found 5/27![United Airlines logo]()
$782
This British Airways deal was found by Cheapflights users on 5/29. 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.
Thu 11/2610:47 am
ONT
- MAD
1 stop13h 33m
British Airways
Thu 12/312:40 pm
MAD
- ONT
1 stop17h 27m
British Airways
Deal found 5/29![British Airways logo]()
$814
This KLM deal was found by Cheapflights users on 5/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:05 am
ONT
- MXP
1 stop17h 20m
KLM
Tue 7/2111:40 am
MXP
- ONT
1 stop19h 10m
KLM
Deal found 5/28![KLM logo]()
$900
This United Airlines deal was found by Cheapflights users on 5/30. 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.
Sat 9/51:18 pm
ONT
- FCO
1 stop14h 02m
United Airlines
Thu 9/173:40 pm
FCO
- ONT
1 stop16h 19m
United Airlines
Deal found 5/30![United Airlines logo]()
$847
This Delta deal was found by Cheapflights users on 5/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/217:05 am
ONT
- MXP
1 stop17h 20m
Delta
Fri 7/3111:40 am
MXP
- ONT
1 stop19h 10m
Delta
Deal found 5/29![Delta logo]()
$950
This British Airways deal was found by Cheapflights users on 5/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Sat 10/2412:40 pm
MAD
- ONT
1 stop16h 24m
British Airways
Deal found 5/26![British Airways logo]()
$900
This KLM deal was found by Cheapflights users on 5/30. 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.
Tue 8/1112:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Thu 8/209:50 am
MAD
- ONT
1 stop17h 39m
KLM
Deal found 5/30![KLM logo]()
$906
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Sat 11/216:53 pm
ONT
- ATH
2 stops35h 42m
United Airlines
Thu 11/266:40 am
ATH
- ONT
2 stops23h 40m
United Airlines
Deal found 5/29![United Airlines logo]()
$849
This Alaska Airlines deal was found by Cheapflights users on 5/26. 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 7/205:26 pm
ONT
- LHR
1 stop13h 39m
Alaska Airlines
Thu 7/305:00 pm
LHR
- ONT
1 stop14h 11m
Alaska Airlines
Deal found 5/26![Alaska Airlines logo]()
$1,044
This Delta deal was found by Cheapflights users on 5/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:05 am
ONT
- MXP
1 stop17h 20m
Delta
Wed 7/1511:40 am
MXP
- ONT
1 stop19h 10m
Delta
Deal found 5/29![Delta logo]()
$985
This KLM deal was found by Cheapflights users on 5/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Mon 10/199:50 am
MAD
- ONT
1 stop17h 28m
KLM
Deal found 5/26![KLM logo]()
$924
This United Airlines deal was found by Cheapflights users on 5/30. 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 10/76:00 am
ONT
- FCO
2 stops19h 55m
United Airlines
Sat 10/2410:50 am
FCO
- ONT
2 stops21h 09m
United Airlines
Deal found 5/30![United Airlines logo]()
$852
This Alaska Airlines deal was found by Cheapflights users on 5/26. 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 7/205:26 pm
ONT
- LHR
1 stop13h 39m
Alaska Airlines
Wed 7/295:00 pm
LHR
- ONT
1 stop14h 11m
Alaska Airlines
Deal found 5/26![Alaska Airlines logo]()
$1,044
This Turkish Airlines deal was found by Cheapflights users on 5/27. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/111:50 pm
ONT
- IST
1 stop27h 10m
Turkish Airlines
Fri 9/111:05 am
IST
- ONT
1 stop29h 08m
Turkish Airlines
Deal found 5/27![Turkish Airlines logo]()
$1,162
This KLM deal was found by Cheapflights users on 5/25. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:00 pm
ONT
- CDG
1 stop13h 00m
Multiple Airlines
Sun 11/810:20 am
CDG
- ONT
1 stop14h 52m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$1,179
This British Airways deal was found by Cheapflights users on 5/27. 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.
Sun 10/187:20 am
ONT
- MAD
1 stop16h 45m
British Airways
Fri 11/131:00 pm
MAD
- ONT
1 stop19h 57m
British Airways
Deal found 5/27![British Airways logo]()
$984
This Delta deal was found by Cheapflights users on 5/27. 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 11/2010:59 pm
ONT
- FCO
2 stops51h 01m
Delta
Wed 12/26:10 am
FCO
- ONT
2 stops19h 02m
Delta
Deal found 5/27![Delta logo]()
$1,003
This United Airlines deal was found by Cheapflights users on 5/30. 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.
Sat 10/176:00 am
ONT
- MAD
2 stops18h 00m
United Airlines
Sat 10/2411:15 am
MAD
- ONT
2 stops20h 11m
United Airlines
Deal found 5/30![United Airlines logo]()
$890
This British Airways deal was found by Cheapflights users on 5/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:59 pm
ONT
- LHR
1 stop13h 01m
British Airways
Mon 11/233:00 pm
LHR
- ONT
1 stop15h 23m
British Airways
Deal found 5/30![British Airways logo]()
$995
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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.
Wed 7/85:54 pm
ONT
- LHR
1 stop13h 11m
Alaska Airlines
Wed 7/225:00 pm
LHR
- ONT
1 stop14h 11m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$1,095
This KLM deal was found by Cheapflights users on 5/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:05 am
ONT
- ATH
1 stop17h 55m
KLM
Mon 8/249:45 am
ATH
- ONT
1 stop18h 44m
KLM
Deal found 5/28![KLM logo]()
$998
Last-minute flights from Ontario to EuropeDiscover last-minute flight deals from Ontario to Europe. Data last updated May 31, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Europe. Data last updated May 31, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 5/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:00 am
ONT
- FRA
1 stop18h 50m
Multiple Airlines
Tue 6/911:40 am
FRA
- ONT
1 stop18h 07m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$892
This FlightHub deal was found by Cheapflights users on 5/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:00 am
ONT
- BCN
2 stops24h 00m
Multiple Airlines
Fri 6/58:00 am
BCN
- ONT
2 stops21h 47m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$927
This United Airlines deal was found by Cheapflights users on 5/30. 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.
Tue 6/25:00 am
ONT
- MXP
2 stops23h 20m
United Airlines
Tue 6/93:20 pm
MXP
- ONT
1 stop16h 31m
United Airlines
Deal found 5/30![United Airlines logo]()
$906
This United Airlines deal was found by Cheapflights users on 5/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:05 am
ONT
- MXP
1 stop22h 15m
United Airlines
Wed 6/1012:20 pm
MXP
- ONT
2 stops43h 31m
United Airlines
Deal found 5/27![United Airlines logo]()
$882
This Air Canada deal was found by Cheapflights users on 5/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:00 am
ONT
- MXP
2 stops20h 20m
Multiple Airlines
Wed 6/1012:20 pm
MXP
- ONT
3 stops33h 27m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$890
This KAYAK deal was found by Cheapflights users on 5/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:05 am
ONT
- MXP
1 stop22h 15m
Austrian Airlines
Tue 6/93:20 pm
MXP
- ONT
1 stop16h 31m
Austrian Airlines
Deal found 5/30![Austrian Airlines logo]()
$901
This Cheapflightsfares deal was found by Cheapflights users on 5/26. 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 6/87:00 am
ONT
- FRA
1 stop18h 50m
Multiple Airlines
Thu 6/1811:55 am
FRA
- ONT
1 stop20h 56m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$896
This KAYAK deal was found by Cheapflights users on 5/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:05 am
ONT
- MXP
1 stop22h 15m
Multiple Airlines
Tue 6/2312:20 pm
MXP
- ONT
2 stops38h 08m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$881
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Tue 6/95:00 am
ONT
- MXP
3 stops23h 20m
United Airlines
Tue 6/2312:20 pm
MXP
- ONT
2 stops41h 26m
United Airlines
Deal found 5/29![United Airlines logo]()
$886
This United Airlines deal was found by Cheapflights users on 5/30. 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 6/176:05 am
ONT
- MXP
1 stop22h 15m
United Airlines
Thu 6/253:20 pm
MXP
- ONT
1 stop16h 31m
United Airlines
Deal found 5/30![United Airlines logo]()
$902
This Ovago deal was found by Cheapflights users on 5/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:39 pm
ONT
- MXP
2 stops19h 31m
Multiple Airlines
Tue 7/79:00 am
MXP
- ONT
2 stops22h 51m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$915
This United Airlines deal was found by Cheapflights users on 5/29. 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.
Tue 6/306:10 am
ONT
- MXP
1 stop22h 10m
United Airlines
Tue 7/149:45 am
MXP
- ONT
2 stops36h 02m
United Airlines
Deal found 5/29![United Airlines logo]()
$912
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 31, 2026.
Search for one-way flight options from Ontario to Europe. Find affordable one-way fares based on user searches. Data last updated May 31, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:47 am
ONT
- LHR
1 stop13h 28m
British Airways
Deal found 5/27![British Airways logo]()
$318
This Cheapflightsfares deal was found by Cheapflights users on 5/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:05 pm
ONT
- LHR
1 stop13h 25m
British Airways
Deal found 5/29![British Airways logo]()
$320
This Cheapflightsfares deal was found by Cheapflights users on 5/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:47 pm
ONT
- LHR
1 stop12h 28m
British Airways
Deal found 5/28![British Airways logo]()
$321
This Cheapflightsfares deal was found by Cheapflights users on 5/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/278:25 am
ONT
- LHR
1 stop13h 55m
British Airways
Deal found 5/28![British Airways logo]()
$322
This oojo deal was found by Cheapflights users on 5/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:33 pm
ONT
- LHR
1 stop16h 17m
British Airways
Deal found 5/28![British Airways logo]()
$324
This Expedia deal was found by Cheapflights users on 5/30. 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 9/143:14 pm
ONT
- LHR
1 stop15h 51m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$325
This oojo deal was found by Cheapflights users on 5/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am
ONT
- LHR
1 stop19h 05m
British Airways
Deal found 5/26![British Airways logo]()
$326
This Delta deal was found by Cheapflights users on 5/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:00 pm
ONT
- LHR
1 stop17h 15m
Delta
Deal found 5/29![Delta logo]()
$329
This Air Canada deal was found by Cheapflights users on 5/29. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:00 am
ONT
- LHR
2 stops17h 30m
Air Canada
Deal found 5/29![Air Canada logo]()
$333
This Trip.com deal was found by Cheapflights users on 5/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 pm
ONT
- LHR
1 stop34h 10m
Virgin Atlantic
Deal found 5/27![Virgin Atlantic logo]()
$334
This United Airlines deal was found by Cheapflights users on 5/28. 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.
Sat 9/266:32 pm
ONT
- LHR
1 stop28h 53m
United Airlines
Deal found 5/28![United Airlines logo]()
$335
This Air Canada deal was found by Cheapflights users on 5/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:01 am
ONT
- LHR
2 stops16h 34m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$338
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 31, 2026.
Round-trip from | $703 (United Airlines) |
|---|---|
One-way from | $318 (Cheapflightsfares) |
Popular in | June |
Cheapest in | February |
Average price | $1,188 |
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 31, 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
Wed 8/12
12:33 pm-4:55 pm
2 stops19h 22m
Rome Fiumicino
Thu 8/20
1:30 pm-10:04 pm
1 stop17h 34m
$725
OntarioMilan
ONT - MXP
ONTMXP
Ontario
Tue 8/11
7:00 am-10:20 am
2 stops42h 20m
Milan Malpensa
Sun 8/23
9:00 am-10:59 pm
2 stops22h 59m
$775
OntarioRome
ONT - FCO
ONTFCO
Ontario
Wed 11/18
5:00 am-7:55 am
2 stops17h 55m
Rome Fiumicino
Mon 11/30
1:30 pm-5:47 pm
2 stops37h 17m
$782
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Thu 11/26
10:47 am-9:20 am
1 stop13h 33m
Madrid Barajas
Thu 12/3
12:40 pm-9:07 pm
1 stop17h 27m
$814
OntarioRome
ONT - FCO
ONTFCO
Ontario
Sat 9/5
1:18 pm-12:20 pm
1 stop14h 02m
Rome Fiumicino
Thu 9/17
3:40 pm-10:59 pm
1 stop16h 19m
$847
OntarioAthens
ONT - ATH
ONTATH
Ontario
Sat 11/21
6:53 pm-4:35 pm
2 stops35h 42m
Athens Eleftherios V.
Thu 11/26
6:40 am-8:20 pm
2 stops23h 40m
$849
OntarioIstanbul
ONT - IST
ONTIST
Ontario
Fri 8/14
6:00 am-3:30 am
2 stops35h 30m
Istanbul
Sun 8/23
5:20 pm-5:21 pm
2 stops34h 01m
$851
OntarioRome
ONT - FCO
ONTFCO
Ontario
Wed 10/7
6:00 am-10:55 am
2 stops19h 55m
Rome Fiumicino
Sat 10/24
10:50 am-10:59 pm
2 stops21h 09m
$852
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Sat 10/17
6:00 am-9:00 am
2 stops18h 00m
Madrid Barajas
Sat 10/24
11:15 am-10:26 pm
2 stops20h 11m
$890
Quickest round-trip
OntarioLondon
ONT - LHR
ONTLHR
Ontario
Wed 9/9
1:00 pm-10:00 am
1 stop13h 00m
London Heathrow
Wed 9/30
10:55 am-4:33 pm
1 stop13h 38m
$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-MXP
ONT-FRA
ONT-BCN
ONT-LHR
ONT-MAD
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-MXP
ONT-FRA
ONT-BCN
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 May 31, 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.
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Food
7.2
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Ontario to Europe. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Ontario to Europe
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Europe by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Europe by cabin class
Find flights from Ontario to Europe, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Europe flights
Browse other Ontario and Europe flight options. Last updated on May 31, 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 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$497 | Average$695 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$504 | Average$851 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$515 | Average$889 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$557 | Average$973 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$580 | Average$967 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$620 | Average$650 | FlexibilityNo cancel fee | On-time71% |