
Keep the following information in mind while searching for Ontario to Greece flight deals. Data was last updated November 10, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $841 (KLM) |
One-way from | $386 (Booking.com) |
Popular in | June |
Cheapest in | February |
Average price | $845 |
Fly from
Fly to
Route
Depart
Return
OntarioAthens
ONT Ontario - ATH Athens Eleftherios V.
ONTATH
Ontario
Sat 3/20
1:33 pm-10:00 am
2 stops35h 27m
Athens Eleftherios V.
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
OntarioAthens
ONT Ontario - ATH Athens Eleftherios V.
ONTATH
Ontario
Sat 3/13
1:33 pm-10:00 am
2 stops34h 27m
Athens Eleftherios V.
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
OntarioAthens
ONT Ontario - ATH Athens Eleftherios V.
ONTATH
Ontario
Fri 3/19
12:49 pm-10:00 pm
2 stops24h 11m
Athens Eleftherios V.
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
OntarioAthens
ONT Ontario - ATH Athens Eleftherios V.
ONTATH
Ontario
Thu 3/18
1:33 pm-10:00 am
2 stops35h 27m
Athens Eleftherios V.
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
OntarioAthens
ONT Ontario - ATH Athens Eleftherios V.
ONTATH
Ontario
Wed 12/9
4:51 pm-1:00 am
2 stops22h 09m
Athens Eleftherios V.
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
OntarioAthens
ONT Ontario - ATH Athens Eleftherios V.
ONTATH
Ontario
Tue 12/8
1:02 pm-1:25 am
2 stops26h 23m
Athens Eleftherios V.
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
OntarioAthens
ONT Ontario - ATH Athens Eleftherios V.
ONTATH
Ontario
Wed 11/25
10:37 am-1:00 am
2 stops28h 23m
Athens Eleftherios V.
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
OntarioAthens
ONT Ontario - ATH Athens Eleftherios V.
ONTATH
Ontario
Tue 12/8
5:55 pm-9:35 am
2 stops29h 40m
Athens Eleftherios V.
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
OntarioAthens
ONT Ontario - ATH Athens Eleftherios V.
ONTATH
Ontario
Mon 11/16
6:37 pm-10:05 am
2 stops29h 28m
Athens Eleftherios V.
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
OntarioAthens
ONT Ontario - ATH Athens Eleftherios V.
ONTATH
Ontario
Tue 3/9
12:00 pm-4:30 pm
2 stops18h 30m
Athens Eleftherios V.
Tue 3/16
6:10 am-5:17 pm
2 stops20h 07m
Everything you need to know about your flight from Ontario to Greece
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