$319+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
jul. 6 — jul. 131
Round-trip
1 adult, Economy
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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 junio 6, 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 junio 6, 2026.
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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.
mié. 10/289:55 am
ONT
- IST
2 stops22h 00m
Delta
vie. 11/67:15 am
IST
- ONT
2 stops27h 33m
Delta
Deal found 6/1![Delta logo]()
$704
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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.
mié. 11/49:55 am
ONT
- IST
2 stops21h 00m
Delta
vie. 11/137:15 am
IST
- ONT
2 stops22h 03m
Delta
Deal found 6/3![Delta logo]()
$705
This KLM deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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.
mié. 11/1812:00 pm
ONT
- MXP
1 stop14h 10m
KLM
jue. 12/31:05 pm
MXP
- ONT
1 stop18h 09m
KLM
Deal found 6/4![KLM logo]()
$712
This Mytrip deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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.
dom. 8/165:00 am
ONT
- FCO
2 stops19h 15m
Air Canada
vie. 8/2812:25 pm
FCO
- ONT
2 stops32h 47m
Air Canada
Deal found 6/5![Air Canada logo]()
$715
This Air France deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
lun. 8/177:05 am
ONT
- MXP
1 stop17h 20m
Multiple Airlines
mié. 8/2611:40 am
MXP
- ONT
1 stop17h 13m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$719
This United Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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.
dom. 8/91:18 pm
ONT
- FCO
1 stop14h 02m
United Airlines
vie. 8/212:20 pm
FCO
- ONT
1 stop15h 33m
United Airlines
Deal found 6/3![United Airlines logo]()
$719
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
mar. 12/11:00 pm
ONT
- MXP
2 stops18h 40m
United Airlines
mié. 12/911:20 am
MXP
- ONT
2 stops20h 46m
United Airlines
Deal found 6/2![United Airlines logo]()
$722
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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.
dom. 11/17:00 am
ONT
- MXP
1 stop21h 05m
United Airlines
mar. 11/171:05 pm
MXP
- ONT
2 stops42h 21m
United Airlines
Deal found 6/1![United Airlines logo]()
$724
This oojo deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
dom. 8/96:00 am
ONT
- FCO
1 stop21h 05m
British Airways
mar. 8/251:10 pm
FCO
- ONT
1 stop29h 24m
British Airways
Deal found 6/2![British Airways logo]()
$725
This United Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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.
mié. 11/181:00 pm
ONT
- FCO
1 stop13h 55m
United Airlines
vie. 11/277:05 am
FCO
- ONT
2 stops22h 15m
United Airlines
Deal found 6/1![United Airlines logo]()
$726
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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.
dom. 8/167:05 am
ONT
- FCO
1 stop18h 45m
Delta
jue. 8/271:10 pm
FCO
- ONT
1 stop17h 42m
Delta
Deal found 6/5![Delta logo]()
$727
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
lun. 8/171:18 pm
ONT
- FCO
1 stop14h 02m
United Airlines
mié. 8/262:20 pm
FCO
- ONT
1 stop15h 33m
United Airlines
Deal found 6/2![United Airlines logo]()
$728
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 junio 6, 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 junio 6, 2026.
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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.
dom. 11/812:00 pm
ONT
- MXP
1 stop14h 10m
Delta
mar. 11/171:05 pm
MXP
- ONT
1 stop18h 09m
Delta
Deal found 6/5![Delta logo]()
$712
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
dom. 8/167:00 am
ONT
- FCO
1 stop15h 55m
United Airlines
mar. 8/259:45 am
FCO
- ONT
1 stop21h 50m
United Airlines
Deal found 6/2![United Airlines logo]()
$728
This British Airways deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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.
mar. 11/34:47 pm
ONT
- FCO
2 stops20h 08m
British Airways
mar. 11/177:25 am
FCO
- ONT
2 stops25h 32m
British Airways
Deal found 6/5![British Airways logo]()
$798
This KLM deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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.
mar. 9/1511:59 am
ONT
- FCO
1 stop34h 36m
KLM
lun. 9/289:45 am
FCO
- ONT
1 stop21h 41m
KLM
Deal found 6/4![KLM logo]()
$853
This Virgin Atlantic deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/221:00 pm
ONT
- LHR
2 stops16h 05m
Virgin Atlantic
mié. 7/2911:30 am
LHR
- ONT
2 stops19h 22m
Virgin Atlantic
Deal found 6/5![Virgin Atlantic logo]()
$1,026
This Alaska Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
sáb. 8/89:20 pm
ONT
- LHR
1 stop33h 45m
Alaska Airlines
dom. 8/235:00 pm
LHR
- ONT
1 stop26h 04m
Alaska Airlines
Deal found 6/2![Alaska Airlines logo]()
$1,036
This Turkish Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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.
sáb. 9/129:10 pm
ONT
- FRA
2 stops39h 05m
Turkish Airlines
mar. 9/296:50 am
FRA
- ONT
2 stops46h 23m
Turkish Airlines
Deal found 6/4![Turkish Airlines logo]()
$1,172
This Icelandair deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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.
mié. 9/93:14 pm
ONT
- AMS
2 stops15h 51m
Multiple Airlines
vie. 9/182:10 pm
AMS
- ONT
2 stops18h 14m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$1,177
This Etihad Airways deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
lun. 8/311:51 pm
ONT
- IST
2 stops50h 44m
Etihad Airways
jue. 8/131:50 pm
IST
- ONT
2 stops42h 45m
Etihad Airways
Deal found 6/2![Etihad Airways logo]()
$1,423
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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.
jue. 10/299:55 am
ONT
- IST
2 stops22h 00m
Delta
vie. 11/67:15 am
IST
- ONT
2 stops19h 57m
Delta
Deal found 6/1![Delta logo]()
$754
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
lun. 9/77:00 am
ONT
- MXP
1 stop21h 20m
United Airlines
mié. 9/303:20 pm
MXP
- ONT
1 stop16h 06m
United Airlines
Deal found 6/2![United Airlines logo]()
$775
This KAYAK deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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.
vie. 7/311:54 pm
ONT
- CDG
1 stop24h 21m
JetBlue
dom. 7/1212:25 pm
CDG
- ONT
1 stop19h 19m
JetBlue
Deal found 6/1![JetBlue logo]()
$1,637
This British Airways deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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.
lun. 8/1710:29 am
ONT
- MAD
1 stop13h 36m
British Airways
mié. 10/143:55 pm
MAD
- ONT
1 stop16h 11m
British Airways
Deal found 5/31![British Airways logo]()
$820
This Delta deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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.
mié. 10/289:55 am
ONT
- IST
2 stops22h 00m
Delta
dom. 11/85:55 pm
IST
- ONT
2 stops33h 17m
Delta
Deal found 6/1![Delta logo]()
$754
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
lun. 9/77:00 am
ONT
- MXP
1 stop21h 20m
United Airlines
mar. 9/293:20 pm
MXP
- ONT
1 stop16h 06m
United Airlines
Deal found 6/2![United Airlines logo]()
$775
This KLM deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
jue. 11/267:00 am
ONT
- MAD
1 stop17h 55m
KLM
lun. 12/711:55 am
MAD
- ONT
1 stop19h 19m
KLM
Deal found 6/2![KLM logo]()
$864
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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.
jue. 10/291:00 pm
ONT
- FCO
2 stops15h 40m
United Airlines
mar. 11/109:55 am
FCO
- ONT
2 stops21h 31m
United Airlines
Deal found 6/5![United Airlines logo]()
$795
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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.
jue. 11/512:00 pm
ONT
- MXP
1 stop14h 10m
Delta
jue. 11/121:05 pm
MXP
- ONT
1 stop18h 09m
Delta
Deal found 6/5![Delta logo]()
$804
This Alaska Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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.
lun. 7/205:26 pm
ONT
- LHR
1 stop13h 39m
Alaska Airlines
mié. 7/295:00 pm
LHR
- ONT
1 stop14h 11m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$1,043
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
vie. 8/147:00 am
ONT
- MXP
2 stops24h 40m
United Airlines
dom. 8/2312:20 pm
MXP
- ONT
2 stops40h 41m
United Airlines
Deal found 6/2![United Airlines logo]()
$806
This British Airways deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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.
mié. 9/910:25 am
ONT
- AMS
1 stop13h 15m
British Airways
vie. 9/1810:00 am
AMS
- ONT
1 stop19h 09m
British Airways
Deal found 6/3![British Airways logo]()
$1,016
This KLM deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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.
jue. 8/1312:00 pm
ONT
- MAD
1 stop15h 15m
KLM
lun. 8/249:50 am
MAD
- ONT
1 stop17h 39m
KLM
Deal found 6/4![KLM logo]()
$1,016
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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.
lun. 8/36:00 am
ONT
- LHR
1 stop20h 00m
Delta
jue. 8/206:30 am
LHR
- ONT
2 stops23h 22m
Delta
Deal found 6/3![Delta logo]()
$866
This Turkish Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
lun. 10/52:14 pm
ONT
- FRA
2 stops22h 01m
Multiple Airlines
lun. 10/196:50 am
FRA
- ONT
2 stops25h 52m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$1,179
This United Airlines deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” 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.
mié. 10/217:00 am
ONT
- ATH
1 stop17h 35m
United Airlines
mar. 11/36:35 am
ATH
- ONT
2 stops26h 31m
United Airlines
Deal found 5/31![United Airlines logo]()
$831
This British Airways deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
lun. 10/57:20 am
ONT
- FRA
1 stop16h 25m
British Airways
lun. 10/199:20 am
FRA
- ONT
1 stop19h 44m
British Airways
Deal found 6/2![British Airways logo]()
$1,020
This Alaska Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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.
lun. 7/65:26 pm
ONT
- LHR
1 stop13h 39m
Alaska Airlines
jue. 7/235:00 pm
LHR
- ONT
1 stop14h 11m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$1,146
This KLM deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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.
mar. 8/1112:00 pm
ONT
- MAD
1 stop15h 15m
KLM
mar. 8/189:50 am
MAD
- ONT
1 stop19h 03m
KLM
Deal found 6/5![KLM logo]()
$1,078
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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.
lun. 8/2410:00 pm
ONT
- FRA
1 stop25h 55m
Delta
lun. 9/710:40 am
FRA
- ONT
1 stop16h 49m
Delta
Deal found 6/5![Delta logo]()
$895
This Turkish Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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.
jue. 11/196:00 am
ONT
- IST
1 stop25h 05m
Multiple Airlines
jue. 12/33:35 pm
IST
- ONT
1 stop34h 12m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$1,217
Last-minute flights from Ontario to EuropeDiscover last-minute flight deals from Ontario to Europe. Data last updated junio 6, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Europe. Data last updated junio 6, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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.
dom. 7/51:18 pm
ONT
- FCO
1 stop14h 02m
Lufthansa
jue. 8/202:20 pm
FCO
- ONT
1 stop15h 33m
Lufthansa
Deal found 6/1![Lufthansa logo]()
$757
This BusinessClass deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/61:18 pm
ONT
- FCO
1 stop14h 02m
Lufthansa
jue. 8/202:20 pm
FCO
- ONT
1 stop15h 33m
Lufthansa
Deal found 6/1![Lufthansa logo]()
$760
This Alaska Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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.
lun. 7/69:20 pm
ONT
- FCO
1 stop30h 55m
Alaska Airlines
mié. 8/193:25 pm
FCO
- ONT
1 stop16h 59m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$833
This United Airlines deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
lun. 7/66:10 am
ONT
- MXP
1 stop22h 10m
United Airlines
mar. 7/213:20 pm
MXP
- ONT
1 stop16h 31m
United Airlines
Deal found 6/2![United Airlines logo]()
$851
This United Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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.
mar. 7/76:10 am
ONT
- MXP
1 stop22h 10m
United Airlines
mar. 7/2112:20 pm
MXP
- ONT
2 stops43h 31m
United Airlines
Deal found 6/4![United Airlines logo]()
$831
This Alaska Airlines deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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.
mié. 7/86:02 am
ONT
- FCO
1 stop22h 13m
Alaska Airlines
jue. 8/203:25 pm
FCO
- ONT
1 stop16h 59m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$828
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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.
mar. 7/145:00 am
ONT
- MXP
2 stops17h 30m
United Airlines
mié. 7/223:20 pm
MXP
- ONT
1 stop16h 31m
United Airlines
Deal found 6/6![United Airlines logo]()
$855
This oojo deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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.
vie. 7/245:34 am
ONT
- FCO
1 stop21h 31m
British Airways
mié. 9/21:10 pm
FCO
- ONT
1 stop18h 48m
British Airways
Deal found 6/1![British Airways logo]()
$798
This Expedia deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
sáb. 7/252:16 pm
ONT
- FCO
1 stop36h 49m
Iberia
jue. 8/208:25 pm
FCO
- ONT
2 stops55h 33m
Iberia
Deal found 6/2![Iberia logo]()
$752
This Ovago deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
sáb. 7/251:50 pm
ONT
- FCO
1 stop14h 50m
Lufthansa
jue. 8/2010:00 am
FCO
- ONT
2 stops20h 59m
Lufthansa
Deal found 6/2![Lufthansa logo]()
$776
This Mytrip deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
sáb. 7/251:18 pm
ONT
- FCO
2 stops37h 27m
Air Canada
jue. 8/2011:30 am
FCO
- ONT
2 stops34h 20m
Air Canada
Deal found 6/2![Air Canada logo]()
$825
This KAYAK deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” 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.
jue. 7/301:18 pm
ONT
- FCO
1 stop14h 02m
Lufthansa
vie. 8/282:20 pm
FCO
- ONT
1 stop15h 33m
Lufthansa
Deal found 6/2![Lufthansa logo]()
$777
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 junio 6, 2026.
Search for one-way flight options from Ontario to Europe. Find affordable one-way fares based on user searches. Data last updated junio 6, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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.
dom. 10/111:31 pm
ONT
- LHR
1 stop12h 59m
British Airways
Deal found 6/3![British Airways logo]()
$319
This Cheapflightsfares deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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.
mié. 9/91:05 pm
ONT
- LHR
1 stop13h 25m
British Airways
Deal found 6/1![British Airways logo]()
$320
This Cheapflightsfares deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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.
mié. 9/238:25 am
ONT
- LHR
1 stop13h 55m
British Airways
Deal found 6/3![British Airways logo]()
$321
This Trip.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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.
lun. 10/511:44 am
ONT
- LHR
1 stop16h 26m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$324
This oojo deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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.
mié. 9/306:00 am
ONT
- LHR
1 stop19h 05m
British Airways
Deal found 6/5![British Airways logo]()
$325
This oojo deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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.
dom. 10/46:00 am
ONT
- LHR
1 stop19h 00m
British Airways
Deal found 6/3![British Airways logo]()
$326
This oojo deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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.
mar. 9/292:22 pm
ONT
- LHR
1 stop14h 28m
British Airways
Deal found 6/5![British Airways logo]()
$327
This Booking.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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.
lun. 9/285:00 am
ONT
- LHR
2 stops21h 00m
Air Canada
Deal found 6/3![Air Canada logo]()
$328
This KLM deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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.
mié. 9/301:00 pm
ONT
- LHR
1 stop13h 00m
KLM
Deal found 6/1![KLM logo]()
$329
This Air Canada deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” 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.
mar. 9/15:00 am
ONT
- LHR
2 stops17h 30m
Air Canada
Deal found 6/1![Air Canada logo]()
$330
This Trip.com deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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.
mar. 7/216:00 am
ONT
- LHR
2 stops30h 20m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$332
This Mytrip deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” 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.
mié. 8/510:29 am
ONT
- MAD
1 stop13h 36m
British Airways
Deal found 6/3![British Airways logo]()
$339
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 junio 6, 2026.
Round-trip from | $704 (Delta) |
|---|---|
One-way from | $319 (Cheapflightsfares) |
Popular in | June |
Cheapest in | February |
Average price | $1,407 |
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 junio 6, 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
OntarioMilan
ONT - MXP
ONTMXP
Ontario
dom. 11/8
12:00 pm-11:10 am
1 stop14h 10m
Milan Malpensa
mar. 11/17
1:05 pm-10:14 pm
1 stop18h 09m
$712
OntarioRome
ONT - FCO
ONTFCO
Ontario
dom. 8/16
7:00 am-7:55 am
1 stop15h 55m
Rome Fiumicino
mar. 8/25
9:45 am-10:35 pm
1 stop21h 50m
$728
OntarioIstanbul
ONT - IST
ONTIST
Ontario
jue. 10/29
9:55 am-5:55 pm
2 stops22h 00m
Istanbul
vie. 11/6
7:15 am-4:12 pm
2 stops19h 57m
$754
OntarioIstanbul
ONT - IST
ONTIST
Ontario
mié. 10/28
9:55 am-5:55 pm
2 stops22h 00m
Istanbul
dom. 11/8
5:55 pm-4:12 pm
2 stops33h 17m
$754
OntarioMilan
ONT - MXP
ONTMXP
Ontario
lun. 9/7
7:00 am-1:20 pm
1 stop21h 20m
Milan Malpensa
mié. 9/30
3:20 pm-10:26 pm
1 stop16h 06m
$775
OntarioMilan
ONT - MXP
ONTMXP
Ontario
lun. 9/7
7:00 am-1:20 pm
1 stop21h 20m
Milan Malpensa
mar. 9/29
3:20 pm-10:26 pm
1 stop16h 06m
$775
OntarioRome
ONT - FCO
ONTFCO
Ontario
jue. 10/29
1:00 pm-12:40 pm
2 stops15h 40m
Rome Fiumicino
mar. 11/10
9:55 am-10:26 pm
2 stops21h 31m
$795
OntarioRome
ONT - FCO
ONTFCO
Ontario
mar. 11/3
4:47 pm-9:55 pm
2 stops20h 08m
Rome Fiumicino
mar. 11/17
7:25 am-11:57 pm
2 stops25h 32m
$798
OntarioMilan
ONT - MXP
ONTMXP
Ontario
jue. 11/5
12:00 pm-11:10 am
1 stop14h 10m
Milan Malpensa
jue. 11/12
1:05 pm-10:14 pm
1 stop18h 09m
$804
OntarioMilan
ONT - MXP
ONTMXP
Ontario
vie. 8/14
7:00 am-4:40 pm
2 stops24h 40m
Milan Malpensa
dom. 8/23
12:20 pm-8:01 pm
2 stops40h 41m
$806
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-MAD
ONT-FCO
ONT-MXP
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-MAD
ONT-FCO
ONT-MXP
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 junio 6, 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.
Comfort
7.8
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.8
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.8
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.8
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.8
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Comfort
7.8
Food
7.2
Overall
7.9
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from Ontario to Europe. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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 junio 6, 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 junio 6, 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% |