$378+ Cheap flights from Ontario (ONT) to Greece
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ATH
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Greece 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 GreeceExplore the most affordable flight options available from Ontario to Greece. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
Explore the most affordable flight options available from Ontario to Greece. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 10/512:19 pm -
2 stops33h 16m
Wed 10/211:10 pm -
2 stops20h 45m
Deal found 9/12![Delta logo]()
$653
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/277:05 am -
1 stop17h 55m
Wed 10/219:45 am -
1 stop20h 40m
Deal found 9/11![Delta logo]()
$663
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/35:15 pm -
2 stops28h 35m
Tue 10/136:35 am -
2 stops20h 37m
Deal found 9/11![Delta logo]()
$695
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/267:05 am -
1 stop16h 15m
Wed 10/219:45 am -
1 stop20h 40m
Deal found 9/11![Delta logo]()
$723
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/57:05 am -
1 stop17h 55m
Sat 11/146:10 am -
2 stops21h 09m
Deal found 9/9![Delta logo]()
$746
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 9/297:00 am -
1 stop17h 35m
Tue 10/2012:35 pm -
1 stop20h 14m
Deal found 9/10![United Airlines logo]()
$777
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:10 pm -
1 stop26h 00m
Wed 10/211:00 pm -
1 stop19h 59m
Deal found 9/12![American Airlines logo]()
$783
This KLM deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/287:05 am -
1 stop17h 55m
Wed 10/219:45 am -
1 stop20h 40m
Deal found 9/11![KLM logo]()
$808
This KLM deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 11/1612:18 pm -
2 stops18h 12m
Thu 11/266:10 am -
2 stops21h 09m
Deal found 9/12![KLM logo]()
$818
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 11/77:07 am -
2 stops20h 33m
Sat 11/146:10 am -
2 stops21h 09m
Deal found 9/9![Delta logo]()
$821
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 12/105:45 am -
2 stops19h 15m
Thu 12/2412:55 pm -
2 stops19h 58m
Deal found 9/10![United Airlines logo]()
$830
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:16 pm -
2 stops18h 14m
Sat 11/146:10 am -
2 stops21h 09m
Deal found 9/9![Delta logo]()
$832
Best flights from Ontario to GreeceDiscover carefully curated flight deals from Ontario to Greece that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Ontario to Greece that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
This KLM deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 1/2112:00 pm -
2 stops18h 35m
Wed 1/276:10 am -
2 stops20h 02m
Deal found 9/10![KLM logo]()
$744
This United Airlines deal was found by Cheapflights users on 9/8. 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 3/26:53 pm -
2 stops40h 27m
Fri 3/512:25 pm -
2 stops34h 08m
Deal found 9/8![United Airlines logo]()
$853
This Ovago deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:00 am -
2 stops19h 30m
Sat 9/269:05 pm -
2 stops35h 54m
Deal found 9/10![SWISS logo]()
$1,458
This KLM deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/197:07 am -
1 stop17h 53m
Wed 11/46:10 am -
2 stops20h 13m
Deal found 9/11![KLM logo]()
$894
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 1/1011:20 am -
2 stops19h 10m
Sat 3/66:45 am -
3 stops23h 35m
Deal found 9/9![United Airlines logo]()
$904
This Orbitz deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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.
Thu 10/18:25 am -
2 stops20h 00m
Sat 10/103:50 pm -
2 stops36h 54m
Deal found 9/9![British Airways logo]()
$1,930
This KLM deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 11/1712:18 pm -
2 stops18h 12m
Wed 11/256:10 am -
2 stops21h 09m
Deal found 9/12![KLM logo]()
$947
This United Airlines deal was found by Cheapflights users on 9/7. 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 1/91:00 pm -
2 stops17h 30m
Sat 1/236:45 am -
3 stops23h 35m
Deal found 9/7![United Airlines logo]()
$954
This Turkish Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/272:05 pm -
2 stops20h 20m
Thu 10/19:35 am -
2 stops22h 40m
Deal found 9/11![Multiple Airlines logo]()
$2,256
This United Airlines deal was found by Cheapflights users on 9/7. 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 1/91:00 pm -
2 stops17h 30m
Sat 1/166:45 am -
2 stops23h 35m
Deal found 9/7![United Airlines logo]()
$954
This KLM deal was found by Cheapflights users on 9/8. 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 10/2612:16 pm -
2 stops23h 29m
Tue 11/109:35 pm -
2 stops28h 49m
Deal found 9/8![KLM logo]()
$977
This KLM deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/1111:15 pm -
2 stops28h 15m
Wed 4/1411:20 am -
2 stops21h 23m
Deal found 9/11![KLM logo]()
$977
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Thu 11/197:00 am -
2 stops42h 00m
Sun 12/61:00 pm -
2 stops39h 44m
Deal found 9/8![United Airlines logo]()
$1,001
This KLM deal was found by Cheapflights users on 9/7. 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 10/246:00 am -
2 stops18h 35m
Mon 11/235:55 am -
2 stops20h 29m
Deal found 9/7![KLM logo]()
$979
This KLM deal was found by Cheapflights users on 9/8. 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 10/127:07 am -
2 stops20h 23m
Tue 10/279:35 pm -
2 stops27h 48m
Deal found 9/8![KLM logo]()
$1,728
This Turkish Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Wed 9/2310:39 pm -
2 stops24h 06m
Sat 9/269:35 am -
3 stops42h 40m
Deal found 9/10![Multiple Airlines logo]()
$2,908
Last-minute flights from Ontario to GreeceDiscover last-minute flight deals from Ontario to Greece. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Greece. Data last updated September 12, 2026 and is based on user searches.
This Ovago deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Tue 9/2212:37 pm -
2 stops20h 28m
Thu 10/227:25 am -
2 stops23h 46m
Deal found 9/10![British Airways logo]()
$869
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/267:05 am -
1 stop16h 15m
Wed 10/219:45 am -
1 stop20h 40m
Deal found 9/11![Delta logo]()
$723
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/277:05 am -
1 stop17h 55m
Wed 10/219:45 am -
1 stop20h 40m
Deal found 9/11![Delta logo]()
$663
This KLM deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/287:05 am -
1 stop17h 55m
Wed 10/219:45 am -
1 stop20h 40m
Deal found 9/11![KLM logo]()
$808
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 9/297:00 am -
1 stop17h 35m
Tue 10/2012:35 pm -
1 stop20h 14m
Deal found 9/10![United Airlines logo]()
$777
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/35:15 pm -
2 stops28h 35m
Tue 10/136:35 am -
2 stops20h 37m
Deal found 9/11![Delta logo]()
$695
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 10/512:19 pm -
2 stops33h 16m
Wed 10/211:10 pm -
2 stops20h 45m
Deal found 9/12![Delta logo]()
$653
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/57:05 am -
1 stop17h 55m
Sat 11/146:10 am -
2 stops21h 09m
Deal found 9/9![Delta logo]()
$746
This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:10 pm -
1 stop26h 00m
Wed 10/211:00 pm -
1 stop19h 59m
Deal found 9/12![American Airlines logo]()
$783
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/137:00 am -
1 stop17h 35m
Wed 10/2112:35 pm -
1 stop20h 14m
Deal found 9/8![United Airlines logo]()
$857
This KLM deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 10/2612:16 pm -
2 stops23h 29m
Tue 11/109:35 pm -
2 stops28h 49m
Deal found 9/12![KLM logo]()
$870
This Delta deal was found by Cheapflights users on 9/7. 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 10/316:00 pm -
2 stops58h 40m
Wed 12/26:10 am -
2 stops21h 05m
Deal found 9/7![Delta logo]()
$873
One-way flights from Ontario to GreeceSearch for one-way flight options from Ontario to Greece. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
Search for one-way flight options from Ontario to Greece. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This FlightHub deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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.
Sun 2/77:00 am -
2 stops32h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![British Airways logo]()
$378
This Justfly.com deal was found by Cheapflights users on 9/8. 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.
Fri 2/51:24 pm -
2 stops22h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![British Airways logo]()
$428
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:00 am -
1 stop17h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![United Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/131:22 pm -
2 stops19h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$471
This Kissandfly.com deal was found by Cheapflights users on 9/7. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:35 pm -
2 stops21h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Lufthansa logo]()
$473
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 11/39:25 am -
2 stops25h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$483
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
2 stops43h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$489
This KAYAK deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 am -
2 stops28h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Lufthansa logo]()
$512
This Air Canada deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/247:00 am -
2 stops18h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$517
This Air Canada deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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.
Thu 10/226:07 am -
2 stops19h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/224:03 pm -
2 stops18h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$533
This Kissandfly.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/91:24 pm -
2 stops34h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Air Canada logo]()
$534
Find flight deals from Ontario to Greece
Keep the following information in mind while searching for Ontario to Greece flight deals. Data was last updated September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $653 (Delta) |
One-way from | $378 (FlightHub) |
Popular in | June |
Cheapest in | February |
Average price | $882 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Greece 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 7,457,451 searches. Data last updated September 12, 2026.
Use the filters below to find and compare flights from Ontario to Greece that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioAthens
ONT Ontario - ATH Athens Eleftherios V.
ONTATH
Ontario
Sun 11/8
5:00 am-11:00 am
2 stops20h 00m
Athens Eleftherios V.
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$463
OntarioAthens
ONT Ontario - ATH Athens Eleftherios V.
ONTATH
Ontario
Wed 10/14
5:00 am-10:30 am
2 stops19h 30m
Athens Eleftherios V.
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$463
Quickest round-trip
OntarioAthens
ONT Ontario - ATH Athens Eleftherios V.
ONTATH
Ontario
Tue 10/13
7:00 am-10:35 am
1 stop17h 35m
Athens Eleftherios V.
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$463
OntarioAthens
ONT Ontario - ATH Athens Eleftherios V.
ONTATH
Ontario
Sat 10/24
6:00 am-10:05 am
2 stops42h 05m
Athens Eleftherios V.
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$483
OntarioAthens
ONT Ontario - ATH Athens Eleftherios V.
ONTATH
Ontario
Tue 11/3
9:25 am-9:20 pm
2 stops25h 55m
Athens Eleftherios V.
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$483
OntarioThessaloniki
ONT Ontario - SKG Thessaloniki Makedonia
ONTSKG
Ontario
Mon 11/23
12:18 pm-8:45 pm
2 stops22h 27m
Thessaloniki Makedonia
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$562
OntarioAthens
ONT Ontario - ATH Athens Eleftherios V.
ONTATH
Ontario
Wed 10/7
11:10 am-2:55 pm
2 stops17h 45m
Athens Eleftherios V.
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$593
OntarioAthens
ONT Ontario - ATH Athens Eleftherios V.
ONTATH
Ontario
Thu 11/26
5:00 am-11:00 am
3 stops44h 00m
Athens Eleftherios V.
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$630
OntarioAthens
ONT Ontario - ATH Athens Eleftherios V.
ONTATH
Ontario
Thu 1/21
12:00 pm-4:35 pm
2 stops18h 35m
Athens Eleftherios V.
Wed 1/27
6:10 am-4:12 pm
2 stops20h 02m
$744
OntarioAthens
ONT Ontario - ATH Athens Eleftherios V.
ONTATH
Ontario
Tue 3/2
6:53 pm-9:20 pm
2 stops40h 27m
Athens Eleftherios V.
Fri 3/5
12:25 pm-12:33 pm
2 stops34h 08m
$853
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ONT-ATH
ONT-SKG
Estimated round-trip price
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ONT-GR0
ONT-ATH
ONT-SKG
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