$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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CPH
Jun 24 — Jul 11
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 25, 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 25, 2026.
This Delta deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 11/47:00 am
ONT
- IST
2 stops23h 55m
Delta
Mon 11/165:55 pm
IST
- ONT
2 stops33h 17m
Delta
Deal found 5/23![Delta logo]()
$704
This KLM deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/3012:02 pm
ONT
- BCN
1 stop14h 08m
KLM
Wed 7/811:00 am
BCN
- ONT
1 stop16h 23m
KLM
Deal found 5/20![KLM logo]()
$706
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/91:18 pm
ONT
- FCO
1 stop14h 02m
United Airlines
Thu 8/2711:30 am
FCO
- ONT
3 stops41h 27m
United Airlines
Deal found 5/21![United Airlines logo]()
$707
This Delta deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 11/811:55 am
ONT
- IST
2 stops43h 00m
Delta
Mon 11/165:55 pm
IST
- ONT
2 stops33h 17m
Delta
Deal found 5/23![Delta logo]()
$710
This FlightHub deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 8/105:00 am
ONT
- FCO
2 stops19h 15m
Air Canada
Wed 8/2611:30 am
FCO
- ONT
2 stops42h 23m
Air Canada
Deal found 5/22![Air Canada logo]()
$711
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:39 pm
ONT
- FCO
2 stops27h 56m
United Airlines
Thu 8/2711:30 am
FCO
- ONT
3 stops41h 27m
United Airlines
Deal found 5/21![United Airlines logo]()
$712
This FlightHub deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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.
Sat 8/85:00 am
ONT
- FCO
2 stops45h 45m
Air Canada
Wed 8/2611:30 am
FCO
- ONT
2 stops42h 23m
Air Canada
Deal found 5/22![Air Canada logo]()
$716
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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 8/86:10 am
ONT
- FCO
2 stops40h 25m
United Airlines
Thu 8/2711:30 am
FCO
- ONT
3 stops41h 27m
United Airlines
Deal found 5/21![United Airlines logo]()
$717
This oojo deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 8/410:25 am
ONT
- FCO
1 stop16h 40m
British Airways
Thu 8/201:30 pm
FCO
- ONT
1 stop17h 34m
British Airways
Deal found 5/23![British Airways logo]()
$718
This lol.travel deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:33 pm
ONT
- FCO
1 stop14h 32m
British Airways
Mon 8/241:10 pm
FCO
- ONT
1 stop17h 02m
British Airways
Deal found 5/20![British Airways logo]()
$719
This oojo deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 8/1611:59 pm
ONT
- FCO
1 stop27h 06m
British Airways
Thu 8/271:10 pm
FCO
- ONT
1 stop18h 48m
British Airways
Deal found 5/22![British Airways logo]()
$720
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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 8/71:50 pm
ONT
- FCO
3 stops60h 05m
United Airlines
Thu 8/2711:30 am
FCO
- ONT
3 stops41h 27m
United Airlines
Deal found 5/21![United Airlines logo]()
$722
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 25, 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 25, 2026.
This United Airlines deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:00 am
ONT
- FCO
1 stop22h 40m
United Airlines
Fri 8/283:40 pm
FCO
- ONT
1 stop16h 19m
United Airlines
Deal found 5/22![United Airlines logo]()
$727
This Delta deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 11/210:59 pm
ONT
- MAD
2 stops33h 41m
Delta
Thu 11/1911:55 am
MAD
- ONT
1 stop19h 19m
Delta
Deal found 5/20![Delta logo]()
$768
This Alaska Airlines deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 8/2312:00 pm
ONT
- LHR
1 stop19h 05m
Alaska Airlines
Fri 8/285:00 pm
LHR
- ONT
1 stop14h 24m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$877
This KLM deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 9/77:00 am
ONT
- ATH
1 stop18h 00m
KLM
Wed 9/169:45 am
ATH
- ONT
1 stop18h 16m
KLM
Deal found 5/20![KLM logo]()
$986
This British Airways deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 8/186:00 am
ONT
- FRA
1 stop17h 45m
British Airways
Tue 8/2510:55 am
FRA
- ONT
1 stop19h 17m
British Airways
Deal found 5/22![British Airways logo]()
$1,019
This Condor deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:54 am
ONT
- BCN
2 stops20h 06m
Multiple Airlines
Thu 7/238:00 am
BCN
- ONT
2 stops21h 10m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$1,063
This Turkish Airlines deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:10 pm
ONT
- BCN
2 stops52h 35m
Turkish Airlines
Mon 9/212:35 pm
BCN
- ONT
2 stops62h 38m
Turkish Airlines
Deal found 5/22![Turkish Airlines logo]()
$1,092
This Etihad Airways deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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.
Sat 7/1111:24 pm
ONT
- IST
2 stops51h 41m
Etihad Airways
Tue 8/112:10 pm
IST
- ONT
2 stops42h 25m
Etihad Airways
Deal found 5/23![Etihad Airways logo]()
$1,414
This United Airlines deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:56 pm
ONT
- FCO
1 stop14h 44m
United Airlines
Thu 8/273:40 pm
FCO
- ONT
1 stop16h 19m
United Airlines
Deal found 5/22![United Airlines logo]()
$727
This Qatar Airways deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/142:18 pm
ONT
- IST
2 stops30h 02m
Qatar Airways
Tue 7/78:05 pm
IST
- ONT
2 stops37h 06m
Qatar Airways
Deal found 5/24![Qatar Airways logo]()
$1,698
This United Airlines deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:50 pm
ONT
- FCO
1 stop14h 50m
United Airlines
Sun 8/232:20 pm
FCO
- ONT
1 stop15h 33m
United Airlines
Deal found 5/22![United Airlines logo]()
$777
This Delta deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:05 am
ONT
- FRA
1 stop16h 50m
Delta
Mon 9/710:40 am
FRA
- ONT
1 stop16h 21m
Delta
Deal found 5/21![Delta logo]()
$890
This Alaska Airlines deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 8/95:26 pm
ONT
- LHR
1 stop13h 39m
Alaska Airlines
Wed 8/195:00 pm
LHR
- ONT
1 stop14h 24m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$923
This United Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:01 am
ONT
- FCO
1 stop19h 39m
United Airlines
Sat 8/222:20 pm
FCO
- ONT
1 stop15h 33m
United Airlines
Deal found 5/24![United Airlines logo]()
$777
This KLM deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 7/127:05 am
ONT
- ATH
1 stop17h 55m
KLM
Wed 7/229:45 am
ATH
- ONT
1 stop18h 38m
KLM
Deal found 5/20![KLM logo]()
$986
This British Airways deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 7/85:34 am
ONT
- FRA
1 stop18h 11m
British Airways
Wed 7/2210:55 am
FRA
- ONT
1 stop22h 04m
British Airways
Deal found 5/24![British Airways logo]()
$1,019
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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 11/176:00 am
ONT
- MAD
2 stops16h 45m
United Airlines
Wed 11/2511:00 am
MAD
- ONT
2 stops18h 20m
United Airlines
Deal found 5/21![United Airlines logo]()
$790
This Alaska Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 8/165:26 pm
ONT
- LHR
1 stop13h 39m
Alaska Airlines
Mon 8/245:00 pm
LHR
- ONT
1 stop14h 24m
Alaska Airlines
Deal found 5/24![Alaska Airlines logo]()
$973
This Icelandair deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 9/13:07 pm
ONT
- ZRH
2 stops36h 58m
Multiple Airlines
Thu 9/102:00 pm
ZRH
- ONT
2 stops18h 24m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$1,075
This Delta deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/117:05 am
ONT
- FRA
1 stop16h 50m
Delta
Fri 6/2610:40 am
FRA
- ONT
1 stop16h 50m
Delta
Deal found 5/20![Delta logo]()
$1,020
This British Airways deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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 6/295:45 am
ONT
- FRA
1 stop18h 00m
British Airways
Mon 7/139:20 am
FRA
- ONT
1 stop22h 14m
British Airways
Deal found 5/21![British Airways logo]()
$1,020
This United Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 11/36:00 am
ONT
- MAD
2 stops16h 45m
United Airlines
Wed 11/1811:00 am
MAD
- ONT
2 stops18h 20m
United Airlines
Deal found 5/24![United Airlines logo]()
$790
This KLM deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 8/1412:55 pm
ONT
- LHR
1 stop13h 05m
KLM
Tue 8/2510:55 am
LHR
- ONT
1 stop13h 29m
KLM
Deal found 5/20![KLM logo]()
$1,087
This KLM deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:00 pm
ONT
- CDG
1 stop13h 00m
Multiple Airlines
Sat 11/1410:20 am
CDG
- ONT
1 stop14h 52m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$1,132
This Alaska Airlines deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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.
Tue 7/215:26 pm
ONT
- LHR
1 stop13h 39m
Alaska Airlines
Thu 7/305:00 pm
LHR
- ONT
1 stop14h 11m
Alaska Airlines
Deal found 5/24![Alaska Airlines logo]()
$1,043
This British Airways deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 9/310:29 am
ONT
- MAD
1 stop13h 36m
British Airways
Thu 9/171:00 pm
MAD
- ONT
1 stop15h 55m
British Airways
Deal found 5/24![British Airways logo]()
$1,052
This Turkish Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:10 pm
ONT
- BCN
2 stops35h 30m
Turkish Airlines
Mon 9/217:10 pm
BCN
- ONT
2 stops58h 03m
Turkish Airlines
Deal found 5/21![Turkish Airlines logo]()
$1,282
This KLM deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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
Wed 8/129:50 am
MAD
- ONT
1 stop19h 03m
KLM
Deal found 5/20![KLM logo]()
$1,117
This United Airlines deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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 11/56:02 am
ONT
- MAD
2 stops18h 13m
United Airlines
Thu 11/1911:00 am
MAD
- ONT
2 stops20h 26m
United Airlines
Deal found 5/21![United Airlines logo]()
$840
This Delta deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 7/159:40 am
ONT
- LHR
1 stop16h 20m
Delta
Wed 7/226:30 am
LHR
- ONT
2 stops18h 51m
Delta
Deal found 5/23![Delta logo]()
$1,121
Last-minute flights from Ontario to EuropeDiscover last-minute flight deals from Ontario to Europe. Data last updated May 25, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Europe. Data last updated May 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/211:50 pm
ONT
- FCO
1 stop14h 50m
United Airlines
Sun 5/242:20 pm
FCO
- ONT
1 stop15h 22m
United Airlines
Deal found 5/20![United Airlines logo]()
$908
This Iberia deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:22 am
ONT
- AMS
1 stop13h 18m
Iberia
Fri 6/510:55 am
AMS
- ONT
1 stop22h 04m
Iberia
Deal found 5/20![Iberia logo]()
$826
This Iberia deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:00 am
ONT
- AMS
1 stop16h 40m
Iberia
Mon 6/110:55 am
AMS
- ONT
1 stop20h 43m
Iberia
Deal found 5/20![Iberia logo]()
$827
This Iberia deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/277:00 am
ONT
- AMS
1 stop16h 40m
Iberia
Wed 6/310:55 am
AMS
- ONT
1 stop18h 01m
Iberia
Deal found 5/20![Iberia logo]()
$777
This Booking.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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.
Thu 5/2811:15 am
ONT
- FRA
1 stop14h 40m
Multiple Airlines
Thu 6/1111:55 am
FRA
- ONT
1 stop20h 56m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$842
This Cheapflightsfares deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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.
Thu 5/2811:15 am
ONT
- FRA
1 stop14h 40m
Multiple Airlines
Thu 6/411:55 am
FRA
- ONT
1 stop21h 01m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$861
This Cheapflightsfares deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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.
Sat 5/307:00 am
ONT
- FRA
1 stop18h 30m
Multiple Airlines
Wed 6/311:40 am
FRA
- ONT
1 stop18h 07m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$895
This Cheapflightsfares deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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
Sat 6/611:45 am
FRA
- ONT
1 stop18h 02m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$858
This FlightHub deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” 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
- FRA
1 stop18h 50m
Multiple Airlines
Thu 6/1111:55 am
FRA
- ONT
1 stop20h 56m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$920
This Gotogate deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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.
Mon 6/17:00 am
ONT
- FCO
2 stops29h 50m
Multiple Airlines
Thu 6/48:10 am
FCO
- ONT
2 stops24h 46m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$939
This Gotogate deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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.
Mon 6/111:15 am
ONT
- BCN
2 stops19h 45m
Multiple Airlines
Thu 6/48:00 am
BCN
- ONT
2 stops24h 56m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$943
This KLM deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” 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 6/3012:02 pm
ONT
- BCN
1 stop14h 08m
KLM
Wed 7/811:00 am
BCN
- ONT
1 stop16h 23m
KLM
Deal found 5/20![KLM logo]()
$706
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 25, 2026.
Search for one-way flight options from Ontario to Europe. Find affordable one-way fares based on user searches. Data last updated May 25, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 10/61:31 pm
ONT
- LHR
1 stop12h 59m
British Airways
Deal found 5/23![British Airways logo]()
$319
This Cheapflightsfares deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 9/211:31 pm
ONT
- LHR
1 stop12h 59m
British Airways
Deal found 5/24![British Airways logo]()
$320
This oojo deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:59 pm
ONT
- LHR
1 stop22h 21m
British Airways
Deal found 5/21![British Airways logo]()
$323
This oojo deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 8/2612:59 pm
ONT
- LHR
1 stop14h 06m
British Airways
Deal found 5/24![British Airways logo]()
$324
This Cheapflightsfares deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 9/201:31 pm
ONT
- LHR
1 stop12h 59m
British Airways
Deal found 5/23![British Airways logo]()
$325
This WhyPayMore deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:07 pm
ONT
- LHR
1 stop15h 58m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$326
This Delta deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 8/236:01 pm
ONT
- LHR
1 stop13h 34m
Delta
Deal found 5/23![Delta logo]()
$329
This FlightHub deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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.
Wed 9/162:22 pm
ONT
- LHR
1 stop14h 28m
British Airways
Deal found 5/22![British Airways logo]()
$337
This oojo deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” 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 9/201:31 pm
ONT
- MAD
2 stops35h 09m
British Airways
Deal found 5/24![British Airways logo]()
$341
This Iberia deal was found by Cheapflights users on 5/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:25 am
ONT
- LHR
2 stops19h 00m
Iberia
Deal found 5/24![Iberia logo]()
$343
This Trip.com deal was found by Cheapflights users on 5/22. Clicking the “Pick Dates” 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 8/262:27 pm
ONT
- LHR
1 stop15h 58m
Iberia
Deal found 5/22![Iberia logo]()
$344
This British Airways deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” 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 10/1312:35 pm
ONT
- FCO
2 stops19h 40m
British Airways
Deal found 5/23![British Airways logo]()
$344
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 25, 2026.
Round-trip from | $704 (Delta) |
|---|---|
One-way from | $319 (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 25, 2026.
Use the filters below to find and compare flights from Ontario to Europe that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioRome
ONT - FCO
ONTFCO
Ontario
Sun 8/9
6:00 am-1:40 pm
1 stop22h 40m
Rome Fiumicino
Fri 8/28
3:40 pm-10:59 pm
1 stop16h 19m
$727
OntarioRome
ONT - FCO
ONTFCO
Ontario
Wed 8/12
1:56 pm-1:40 pm
1 stop14h 44m
Rome Fiumicino
Thu 8/27
3:40 pm-10:59 pm
1 stop16h 19m
$727
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Mon 11/2
10:59 pm-5:40 pm
2 stops33h 41m
Madrid Barajas
Thu 11/19
11:55 am-10:14 pm
1 stop19h 19m
$768
OntarioRome
ONT - FCO
ONTFCO
Ontario
Mon 8/10
1:50 pm-1:40 pm
1 stop14h 50m
Rome Fiumicino
Sun 8/23
2:20 pm-8:53 pm
1 stop15h 33m
$777
OntarioRome
ONT - FCO
ONTFCO
Ontario
Wed 8/12
9:01 am-1:40 pm
1 stop19h 39m
Rome Fiumicino
Sat 8/22
2:20 pm-8:53 pm
1 stop15h 33m
$777
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Tue 11/17
6:00 am-7:45 am
2 stops16h 45m
Madrid Barajas
Wed 11/25
11:00 am-8:20 pm
2 stops18h 20m
$790
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Tue 11/3
6:00 am-7:45 am
2 stops16h 45m
Madrid Barajas
Wed 11/18
11:00 am-8:20 pm
2 stops18h 20m
$790
OntarioMadrid
ONT - MAD
ONTMAD
Ontario
Thu 11/5
6:02 am-9:15 am
2 stops18h 13m
Madrid Barajas
Thu 11/19
11:00 am-10:26 pm
2 stops20h 26m
$840
OntarioLondon
ONT - LHR
ONTLHR
Ontario
Sun 8/23
12:00 pm-3:05 pm
1 stop19h 05m
London Heathrow
Fri 8/28
5:00 pm-11:24 pm
1 stop14h 24m
$877
OntarioFrankfurt am Main
ONT - FRA
ONTFRA
Ontario
Thu 8/20
7:05 am-8:55 am
1 stop16h 50m
Frankfurt am Main
Mon 9/7
10:40 am-6:01 pm
1 stop16h 21m
$890
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-BCN
ONT-AMS
ONT-FRA
ONT-FCO
ONT-LHR
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-BCN
ONT-AMS
ONT-FRA
ONT-FCO
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 25, 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
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Boarding
8.1
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.
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 25, 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 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$497 | Average$695 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$504 | Average$919 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$515 | Average$881 | 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% |