$319 Find Cheap Flights from Ontario to Greece - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Greece departing on 7/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Ontario to Greece

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Athens
Athens2 stops$762
Thera
Thera2 stops$887
Athens
Athens2 stops$762
Thera
Thera2 stops$887

Book Cheap Ontario to Greece Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Greece that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Greece

Sun, Aug 16 - Tue, Sep 1
British Airways Logo
12:33 pm - 7:55 pm
ONT
-
ATH
21h 22m
2 stops
British Airways Logo
2:00 pm - 9:34 am
ATH
-
ONT
29h 34m
1 stop
$762British Airways
Sun, Aug 16 - Tue, Sep 1
British Airways Logo
7:05 am - 11:45 am
ONT
-
ATH
18h 40m
1 stop
British Airways Logo
2:00 pm - 9:34 am
ATH
-
ONT
29h 34m
1 stop
$764British Airways
Sun, Aug 16 - Tue, Sep 1
United Airlines Logo
6:00 am - 10:00 am
ONT
-
ATH
42h 00m
2 stops
United Airlines Logo
12:10 pm - 12:12 pm
ATH
-
ONT
34h 02m
2 stops
$776United Airlines
Tue, Aug 11 - Tue, Sep 1
British Airways Logo
7:05 am - 11:45 am
ONT
-
ATH
18h 40m
1 stop
British Airways Logo
2:00 pm - 10:59 pm
ATH
-
ONT
18h 59m
1 stop
$777British Airways
Sun, Aug 16 - Tue, Sep 1
Iberia Logo
7:05 am - 11:45 am
ONT
-
ATH
18h 40m
1 stop
Iberia Logo
2:00 pm - 10:59 pm
ATH
-
ONT
18h 59m
1 stop
$780Iberia
Sun, Aug 23 - Thu, Sep 3
Delta Logo
7:05 am - 11:00 am
ONT
-
ATH
17h 55m
1 stop
Delta Logo
9:45 am - 6:30 pm
ATH
-
ONT
18h 45m
1 stop
$781Delta
Sun, Aug 16 - Tue, Sep 1
Iberia Logo
7:05 am - 11:45 am
ONT
-
ATH
18h 40m
1 stop
Iberia Logo
2:00 pm - 10:59 pm
ATH
-
ONT
18h 59m
1 stop
$782Iberia
Sun, Aug 30 - Thu, Sep 10
Delta Logo
10:00 pm - 10:00 am
ONT
-
ATH
26h 00m
1 stop
Delta Logo
6:00 am - 4:35 pm
ATH
-
ONT
20h 35m
2 stops
$785Delta
Mon, Aug 24 - Tue, Sep 8
United Airlines Logo
7:00 am - 10:35 am
ONT
-
ATH
17h 35m
1 stop
United Airlines Logo
6:00 am - 8:01 pm
ATH
-
ONT
24h 01m
2 stops
$786United Airlines
Fri, Oct 23 - Tue, Nov 3
KLM Logo
5:05 pm - 10:55 pm
ONT
-
SKG
19h 50m
2 stops
KLM Logo
9:35 pm - 4:12 pm
SKG
-
ONT
28h 37m
2 stops
$882KLM
Booking Insights

KAYAK's insights & trends for Ontario to Greece flights

Get data-powered insights and trends into flights from Ontario to Greece to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Ontario to Greece?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 5 days.

In the past 5 days, the cheapest round-trip tickets from Ontario to Greece were found on British Airways ($852) and KLM ($873).

Find deals

Good to know

Cheapest flight$319
Flight from Ontario to Athens

FAQs - booking Greece flights

  • How does KAYAK find such low prices on flights from Ontario to Greece?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Greece.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Greece?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Ontario to Greece is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Greece?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Ontario to Greece with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Greece?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Ontario to Greece up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Ontario to Greece

Information on your arrival and departure airports

Ontario (ONT)