$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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
Jun 7 — Jun 141
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 8, 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 8, 2026.
This KLM deal was found by Cheapflights users on 5/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:05 am
ONT
- FCO
1 stop15h 30m
KLM
Thu 8/271:10 pm
FCO
- ONT
1 stop17h 42m
KLM
Deal found 5/6![KLM logo]()
$719
This KLM deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 8/107:05 am
ONT
- FCO
1 stop15h 30m
KLM
Thu 8/209:45 am
FCO
- ONT
1 stop17h 44m
KLM
Deal found 5/8![KLM logo]()
$720
This Expedia deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 8/412:35 pm
ONT
- FCO
2 stops18h 50m
British Airways
Thu 8/201:30 pm
FCO
- ONT
1 stop17h 34m
British Airways
Deal found 5/7![British Airways logo]()
$726
This Orbitz deal was found by Cheapflights users on 5/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/231:33 pm
ONT
- FCO
2 stops35h 27m
Air Canada
Fri 12/412:15 pm
FCO
- ONT
2 stops41h 05m
Air Canada
Deal found 5/3![Air Canada logo]()
$727
This KLM deal was found by Cheapflights users on 5/4. 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.
Tue 12/17:00 am
ONT
- FCO
1 stop16h 15m
KLM
Wed 12/91:30 pm
FCO
- ONT
1 stop17h 44m
KLM
Deal found 5/4![KLM logo]()
$728
This Gotogate deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate 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 8/2012:25 pm
FCO
- ONT
2 stops57h 13m
Air Canada
Deal found 5/7![Air Canada logo]()
$731
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/89:20 pm
ONT
- FCO
1 stop30h 55m
Alaska Airlines
Thu 8/273:25 pm
FCO
- ONT
1 stop16h 59m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$733
This Cheapflightsfares deal was found by Cheapflights users on 5/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:47 am
ONT
- FCO
1 stop14h 58m
British Airways
Wed 11/1111:00 am
FCO
- ONT
1 stop20h 23m
British Airways
Deal found 5/5![British Airways logo]()
$743
This United Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 11/76:53 pm
ONT
- FCO
3 stops30h 07m
United Airlines
Wed 11/1112:15 pm
FCO
- ONT
2 stops43h 11m
United Airlines
Deal found 5/7![United Airlines logo]()
$746
This Cheapflightsfares deal was found by Cheapflights users on 5/5. 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 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 5/5![British Airways logo]()
$751
This Air France deal was found by Cheapflights users on 5/6. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:00 pm
ONT
- FCO
1 stop14h 20m
Multiple Airlines
Wed 11/181:30 pm
FCO
- ONT
1 stop17h 44m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$752
This oojo deal was found by Cheapflights users on 5/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:00 am
ONT
- MAD
1 stop18h 05m
British Airways
Tue 10/1312:40 pm
MAD
- ONT
1 stop16h 24m
British Airways
Deal found 5/6![British Airways logo]()
$759
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 8, 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 8, 2026.
This British Airways deal was found by Cheapflights users on 5/5. 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.
Tue 8/1810:29 am
ONT
- MAD
1 stop13h 36m
British Airways
Thu 9/173:55 pm
MAD
- ONT
1 stop16h 11m
British Airways
Deal found 5/5![British Airways logo]()
$775
This United Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:45 am
ONT
- FCO
2 stops45h 00m
United Airlines
Tue 9/1511:30 am
FCO
- ONT
2 stops39h 41m
United Airlines
Deal found 5/7![United Airlines logo]()
$837
This KLM deal was found by Cheapflights users on 5/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:00 pm
ONT
- MAD
1 stop15h 15m
KLM
Wed 10/79:50 am
MAD
- ONT
1 stop17h 28m
KLM
Deal found 5/6![KLM logo]()
$859
This Delta deal was found by Cheapflights users on 5/5. 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.
Mon 10/1212:00 pm
ONT
- IST
2 stops29h 30m
Delta
Tue 10/204:25 am
IST
- ONT
2 stops27h 49m
Delta
Deal found 5/5![Delta logo]()
$885
This Justfly.com deal was found by Cheapflights users on 5/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1511:24 pm
ONT
- DUB
1 stop25h 36m
JetBlue
Sun 8/2311:30 am
DUB
- ONT
1 stop19h 05m
JetBlue
Deal found 5/3![JetBlue logo]()
$928
This Turkish Airlines deal was found by Cheapflights users on 5/5. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:24 pm
ONT
- BCN
2 stops50h 21m
Multiple Airlines
Sat 8/227:40 am
BCN
- ONT
2 stops24h 44m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,014
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am
ONT
- LHR
1 stop22h 20m
Alaska Airlines
Sat 11/72:45 pm
LHR
- ONT
1 stop15h 54m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$1,101
This Qatar Airways deal was found by Cheapflights users on 5/3. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:02 am
ONT
- IST
2 stops43h 53m
Qatar Airways
Wed 7/88:05 pm
IST
- ONT
2 stops37h 06m
Qatar Airways
Deal found 5/3![Qatar Airways logo]()
$1,182
This Air Serbia deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:50 pm
ONT
- ATH
2 stops29h 00m
Air Serbia
Tue 9/154:30 pm
ATH
- ONT
2 stops37h 43m
Air Serbia
Deal found 5/7![Air Serbia logo]()
$1,385
This Etihad Airways deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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.
Tue 6/3011:58 pm
ONT
- IST
2 stops51h 07m
Etihad Airways
Tue 7/142:10 pm
IST
- ONT
2 stops42h 25m
Etihad Airways
Deal found 5/7![Etihad Airways logo]()
$1,427
This Turkish Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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.
Sat 5/2310:41 pm
ONT
- FRA
2 stops26h 19m
Turkish Airlines
Wed 5/277:00 pm
FRA
- ONT
2 stops34h 47m
Turkish Airlines
Deal found 5/7![Turkish Airlines logo]()
$1,590
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Thu 9/171:44 pm
ONT
- MAD
2 stops34h 06m
United Airlines
Thu 10/16:05 am
MAD
- ONT
2 stops23h 47m
United Airlines
Deal found 5/6![United Airlines logo]()
$850
This British Airways deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 10/810:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Tue 10/203:55 pm
MAD
- ONT
1 stop16h 11m
British Airways
Deal found 5/8![British Airways logo]()
$889
This KLM deal was found by Cheapflights users on 5/4. 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.
Tue 8/1112:32 pm
ONT
- MAD
1 stop14h 43m
KLM
Fri 8/289:50 am
MAD
- ONT
1 stop17h 39m
KLM
Deal found 5/4![KLM logo]()
$906
This Delta deal was found by Cheapflights users on 5/5. 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.
Fri 10/910:59 pm
ONT
- FCO
2 stops23h 56m
Delta
Sun 11/112:25 pm
FCO
- ONT
2 stops31h 51m
Delta
Deal found 5/5![Delta logo]()
$913
This British Airways deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 8/107:06 am
ONT
- ATH
1 stop18h 39m
British Airways
Fri 8/212:00 pm
ATH
- ONT
1 stop18h 58m
British Airways
Deal found 5/7![British Airways logo]()
$906
This KLM deal was found by Cheapflights users on 5/3. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 am
ONT
- DUB
1 stop17h 45m
KLM
Fri 9/1811:00 am
DUB
- ONT
1 stop18h 56m
KLM
Deal found 5/3![KLM logo]()
$913
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 7/297:05 am
ONT
- FCO
1 stop15h 30m
Delta
Tue 8/1110:10 am
FCO
- ONT
2 stops22h 24m
Delta
Deal found 5/8![Delta logo]()
$935
This United Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 9/11:56 pm
ONT
- LHR
1 stop13h 14m
United Airlines
Sat 12/1911:35 am
LHR
- ONT
1 stop16h 45m
United Airlines
Deal found 5/8![United Airlines logo]()
$976
This Icelandair deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 9/2210:55 am
ONT
- DUB
2 stops16h 10m
Multiple Airlines
Tue 10/62:15 pm
DUB
- ONT
2 stops17h 38m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$1,103
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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.
Sun 8/303:05 pm
ONT
- LHR
1 stop16h 00m
Alaska Airlines
Thu 9/105:00 pm
LHR
- ONT
1 stop14h 24m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$1,145
This KLM deal was found by Cheapflights users on 5/4. 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.
Thu 8/1311:56 am
ONT
- MAD
1 stop15h 19m
KLM
Fri 8/289:50 am
MAD
- ONT
1 stop17h 39m
KLM
Deal found 5/4![KLM logo]()
$956
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Fri 8/211:18 pm
ONT
- LHR
1 stop12h 22m
United Airlines
Tue 9/82:50 pm
LHR
- ONT
1 stop14h 02m
United Airlines
Deal found 5/5![United Airlines logo]()
$976
This JetBlue deal was found by Cheapflights users on 5/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/39:10 pm
ONT
- LHR
1 stop15h 35m
JetBlue
Sun 10/118:15 am
LHR
- ONT
1 stop21h 54m
JetBlue
Deal found 5/3![JetBlue logo]()
$1,212
This Delta deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 5/236:00 am
ONT
- FRA
2 stops18h 50m
Delta
Sat 5/3010:40 am
FRA
- ONT
1 stop33h 17m
Delta
Deal found 5/7![Delta logo]()
$1,016
This British Airways deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” 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 9/16:00 am
ONT
- FRA
1 stop17h 45m
British Airways
Tue 9/810:55 am
FRA
- ONT
1 stop21h 03m
British Airways
Deal found 5/8![British Airways logo]()
$1,021
This Qatar Airways deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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.
Fri 8/2812:33 pm
ONT
- IST
2 stops31h 47m
Qatar Airways
Sun 9/138:05 pm
IST
- ONT
2 stops32h 58m
Qatar Airways
Deal found 5/7![Qatar Airways logo]()
$1,271
This Turkish Airlines deal was found by Cheapflights users on 5/4. 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.
Sun 7/2611:50 pm
ONT
- MAD
2 stops52h 45m
Multiple Airlines
Sun 8/237:40 am
MAD
- ONT
2 stops24h 44m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$1,185
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:04 pm
ONT
- FCO
1 stop16h 11m
Alaska Airlines
Wed 6/103:25 pm
FCO
- ONT
1 stop16h 46m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$1,201
This KLM deal was found by Cheapflights users on 5/4. 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.
Mon 8/177:00 am
ONT
- ATH
1 stop17h 00m
KLM
Sun 9/69:45 am
ATH
- ONT
1 stop18h 16m
KLM
Deal found 5/4![KLM logo]()
$1,000
Last-minute flights from Ontario to EuropeDiscover last-minute flight deals from Ontario to Europe. Data last updated May 8, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Europe. Data last updated May 8, 2026 and is based on user searches.
This Travelocity deal was found by Cheapflights users on 5/6. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:59 pm
ONT
- FCO
2 stops53h 16m
Air Canada
Fri 5/2211:30 am
FCO
- ONT
2 stops44h 20m
Air Canada
Deal found 5/6![Air Canada logo]()
$771
This KLM deal was found by Cheapflights users on 5/5. 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.
Fri 5/812:08 pm
ONT
- FCO
1 stop15h 32m
KLM
Wed 12/231:30 pm
FCO
- ONT
1 stop17h 44m
KLM
Deal found 5/5![KLM logo]()
$818
This United Airlines deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 5/95:00 am
ONT
- FCO
2 stops42h 15m
United Airlines
Fri 5/226:50 am
FCO
- ONT
2 stops25h 01m
United Airlines
Deal found 5/7![United Airlines logo]()
$782
This KLM deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 5/912:07 pm
ONT
- FCO
1 stop37h 43m
KLM
Fri 5/221:10 pm
FCO
- ONT
1 stop17h 38m
KLM
Deal found 5/7![KLM logo]()
$783
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:55 pm
ONT
- FCO
2 stops29h 00m
Delta
Thu 5/2110:10 am
FCO
- ONT
2 stops20h 38m
Delta
Deal found 5/6![Delta logo]()
$793
This KLM deal was found by Cheapflights users on 5/4. 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.
Sun 5/1012:08 pm
ONT
- FCO
1 stop15h 32m
KLM
Tue 5/199:45 am
FCO
- ONT
1 stop17h 51m
KLM
Deal found 5/4![KLM logo]()
$781
This Trip.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:06 pm
ONT
- FCO
1 stop16h 09m
Alaska Airlines
Wed 5/273:25 pm
FCO
- ONT
1 stop17h 33m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$786
This KLM deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 5/1312:08 pm
ONT
- FCO
1 stop15h 32m
KLM
Wed 5/209:45 am
FCO
- ONT
1 stop17h 51m
KLM
Deal found 5/7![KLM logo]()
$788
This Booking.com deal was found by Cheapflights users on 5/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:00 am
ONT
- FCO
2 stops19h 15m
Air Canada
Thu 5/212:20 pm
FCO
- ONT
2 stops30h 52m
Air Canada
Deal found 5/5![Air Canada logo]()
$791
This KLM deal was found by Cheapflights users on 5/5. 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.
Wed 5/134:57 pm
ONT
- FCO
2 stops16h 48m
KLM
Thu 5/211:10 pm
FCO
- ONT
1 stop17h 38m
KLM
Deal found 5/5![KLM logo]()
$797
This Trip.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:08 pm
ONT
- FCO
1 stop15h 32m
KLM
Wed 5/276:30 am
FCO
- ONT
2 stops19h 40m
KLM
Deal found 5/8![KLM logo]()
$808
This Justfly.com deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:00 am
ONT
- FRA
1 stop18h 30m
Multiple Airlines
Sat 6/1311:25 am
FRA
- ONT
1 stop21h 26m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$795
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 8, 2026.
Search for one-way flight options from Ontario to Europe. Find affordable one-way fares based on user searches. Data last updated May 8, 2026.
This Expedia deal was found by Cheapflights users on 5/4. 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 Expedia 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
Deal found 5/4![Alaska Airlines logo]()
$343
This British Airways deal was found by Cheapflights users on 5/5. 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.
Mon 8/1712:33 pm
ONT
- FCO
2 stops18h 27m
British Airways
Deal found 5/5![British Airways logo]()
$344
This Cheapflightsfares deal was found by Cheapflights users on 5/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Deal found 5/6![British Airways logo]()
$344
This oojo deal was found by Cheapflights users on 5/4. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am
ONT
- FCO
1 stop21h 05m
British Airways
Deal found 5/4![British Airways logo]()
$345
This KLM deal was found by Cheapflights users on 5/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:00 am
ONT
- FCO
1 stop15h 35m
KLM
Deal found 5/6![KLM logo]()
$346
This Air Canada deal was found by Cheapflights users on 5/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:00 am
ONT
- FCO
2 stops19h 15m
Air Canada
Deal found 5/4![Air Canada logo]()
$347
This Cheapflightsfares deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” 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 8/410:25 am
ONT
- MAD
1 stop13h 40m
British Airways
Deal found 5/7![British Airways logo]()
$348
This CheapOair deal was found by Cheapflights users on 5/4. 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 CheapOair 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
Air Canada
Deal found 5/4![Air Canada logo]()
$350
This KLM deal was found by Cheapflights users on 5/5. 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.
Mon 8/311:56 am
ONT
- MAD
1 stop15h 19m
KLM
Deal found 5/5![KLM logo]()
$351
This KLM deal was found by Cheapflights users on 5/4. 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.
Mon 7/2711:48 am
ONT
- MAD
1 stop15h 27m
KLM
Deal found 5/4![KLM logo]()
$352
This Air Canada deal was found by Cheapflights users on 5/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:18 pm
ONT
- FCO
2 stops35h 42m
Air Canada
Deal found 5/4![Air Canada logo]()
$353
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/412:32 pm
ONT
- MAD
1 stop14h 43m
Delta
Deal found 5/6![Delta logo]()
$353
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 8, 2026.
Round-trip from | $719 (KLM) |
|---|---|
One-way from | $343 (Expedia) |
Popular in | June |
Cheapest in | February |
Average price | $1,136 |
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 8, 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
Tue 8/18
10:29 am-9:05 am
1 stop13h 36m
Madrid Barajas
Thu 9/17
3:55 pm-11:06 pm
1 stop16h 11m
$775
OntarioRome
ONT - FCO
ONTFCO
Ontario
Fri 9/4
5:45 am-11:45 am
2 stops45h 00m
Rome Fiumicino
Tue 9/15
11:30 am-6:11 pm
2 stops39h 41m
$837
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Thu 9/17
1:44 pm-8:50 am
2 stops34h 06m
Madrid Barajas
Thu 10/1
6:05 am-8:52 pm
2 stops23h 47m
$850
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Mon 9/28
12:00 pm-12:15 pm
1 stop15h 15m
Madrid Barajas
Wed 10/7
9:50 am-6:18 pm
1 stop17h 28m
$859
OntarioIstanbul
ONT - IST
ONTIST
Ontario
Mon 10/12
12:00 pm-3:30 am
2 stops29h 30m
Istanbul
Tue 10/20
4:25 am-10:14 pm
2 stops27h 49m
$885
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Thu 10/8
10:25 am-9:05 am
1 stop13h 40m
Madrid Barajas
Tue 10/20
3:55 pm-11:06 pm
1 stop16h 11m
$889
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Tue 8/11
12:32 pm-12:15 pm
1 stop14h 43m
Madrid Barajas
Fri 8/28
9:50 am-6:29 pm
1 stop17h 39m
$906
OntarioAthens
ONT - ATH
ONTATH
Ontario
Mon 8/10
7:06 am-11:45 am
1 stop18h 39m
Athens Eleftherios V.
Fri 8/21
2:00 pm-10:58 pm
1 stop18h 58m
$906
OntarioRome
ONT - FCO
ONTFCO
Ontario
Fri 10/9
10:59 pm-7:55 am
2 stops23h 56m
Rome Fiumicino
Sun 11/1
12:25 pm-11:16 am
2 stops31h 51m
$913
OntarioDublin
ONT - DUB
ONTDUB
Ontario
Fri 9/11
7:00 am-8:45 am
1 stop17h 45m
Dublin
Fri 9/18
11:00 am-9:56 pm
1 stop18h 56m
$913
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Europe
Have a flexible travel schedule? Discover the best time to fly to Europe from Ontario with our price prediction graph.
ONT-FCO
ONT-MAD
ONT-FRA
ONT-ATH
ONT-DUB
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Europe
ONT-EU0
ONT-FCO
ONT-MAD
ONT-FRA
ONT-ATH
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 8, 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
Comfort
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Overall
7.9
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 8, 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 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$497 | Average$697 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$504 | Average$904 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$515 | Average$874 | 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% |