Find cheap flights from Ontario to Athens

ONT - ATH

Find cheap flights from Ontario to Athens

Round-trip
Economy
Ontario (ONT)
Athens Eleftherios V.
Sun 5/31
Sun 6/7
Any month
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Good to know

Low season

February Best time to beat the crowds with an average 34% drop in price.

High season

December Most popular time to fly with an average 31% increase in price.

Average price of a round-trip

$0 (avg. price over the last 2 weeks)

When to book flights from Ontario to Athens

Estimated round-trip price
Average price per month

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $726 or less.
  • High season is considered to be November, December and January. The cheapest month to fly is February.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking Ontario to Athens flights

Are flight prices cheaper from Ontario to Athens because of Coronavirus (COVID-19)?

How long does a flight from Ontario to Athens take?

Which airlines provide the cheapest flights from Ontario to Athens?

Do I need a passport to fly between Ontario and Athens?

Which airports will I be using when flying from Ontario to Athens?

How does KAYAK’s flight Price Forecast tool help me choose the right time to buy?

Book cheap flights from Ontario to Athens (round-trip)

Airports
Origin
Ontario
$641
only
$641
Destination
Athens
$641
only
$641
Sat, Sep 19
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
30h 45m
Wed, Sep 30
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
28h 30m
Trip: 12 days
Based on null reviews
Wed, Sep 9
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
20h 35m
Tue, Sep 22
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
20h 15m
Trip: 14 days
Based on null reviews
Tue, Aug 11
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
40h 55m
Mon, Jan 11
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
25h 15m
Trip: 154 days
Based on null reviews
Tue, Oct 6
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
20h 00m
Mon, Oct 12
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
28h 45m
Trip: 7 days
Based on null reviews
Wed, Sep 2
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
40h 40m
Wed, Sep 16
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
43h 07m
Trip: 15 days
Based on null reviews
Tue, Oct 6
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
31h 05m
Mon, Oct 12
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
36h 09m
Trip: 7 days
Based on null reviews
Tue, Oct 6
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
18h 18m
Mon, Oct 12
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
32h 52m
Trip: 7 days
Based on null reviews
Tue, Oct 20
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
17h 35m
Mon, Nov 2
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
28h 55m
Trip: 14 days
Based on null reviews
Wed, Sep 2
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
20h 35m
Thu, Sep 17
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
20h 15m
Trip: 16 days
Based on null reviews
Tue, Oct 6
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
17h 35m
Mon, Oct 12
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
25h 25m
Trip: 7 days
Based on null reviews
Mon, Oct 5
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
25h 11m
Mon, Oct 12
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
29h 49m
Trip: 8 days
Based on null reviews
Mon, Sep 14
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
20h 17m
Mon, Sep 21
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
38h 08m
Trip: 8 days
Based on null reviews
Mon, Jul 6
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
40h 55m
Wed, Jul 22
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
37h 55m
Trip: 17 days
Based on null reviews
Mon, Jul 6
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
40h 55m
Mon, Jul 20
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
37h 55m
Trip: 15 days
Based on null reviews
Mon, Nov 9
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
24h 35m
Mon, Nov 16
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
20h 15m
Trip: 8 days
Based on null reviews
Sat, Nov 7
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
24h 35m
Tue, Nov 17
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
20h 15m
Trip: 11 days
Based on null reviews
Tue, Oct 6
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
25h 10m
Mon, Oct 12
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
26h 09m
Trip: 7 days
Based on null reviews
Mon, Jul 20
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
19h 16m
Fri, Aug 21
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
21h 43m
Trip: 33 days
Based on null reviews
Fri, Jul 17
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
34h 41m
Sun, Jul 26
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
37h 18m
Trip: 10 days
Based on null reviews
Sun, Aug 2
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
20h 20m
Mon, Aug 17
ATH
Athens Airport (Eleftherios Venizelos)
ONT
Ontario Airport
38h 08m
Trip: 16 days
Based on null reviews
Show more results

Book cheap flights from Ontario to Athens (one-way)

Airports
Origin
Ontario
$509
only
$509
Destination
Athens
$509
only
$509
Wed, Jul 22
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
19h 39m
Based on null reviews
Sat, Aug 1
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
30h 35m
Based on null reviews
Tue, Jun 30
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
21h 25m
Based on null reviews
Wed, Jul 1
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
21h 45m
Based on null reviews
Wed, Jul 1
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
21h 45m
Based on null reviews
Wed, Jul 1
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
51h 02m
Based on null reviews
Sat, Jul 4
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
24h 05m
Based on null reviews
Tue, Jun 30
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
49h 58m
Based on null reviews
Tue, Jul 14
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
52h 25m
Based on null reviews
Tue, Jul 14
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
40h 55m
Based on null reviews
Sat, Jul 18
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
41h 50m
Based on null reviews
Wed, Jul 22
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
17h 46m
Based on null reviews
Wed, Jul 15
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
18h 50m
Based on null reviews
Wed, Jul 15
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
20h 35m
Based on null reviews
Wed, Jul 22
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
20h 20m
Based on null reviews
Sat, Aug 1
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
27h 17m
Based on null reviews
Wed, Jul 15
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
22h 11m
Based on null reviews
Sun, Jul 12
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
40h 55m
Based on null reviews
Mon, Jul 13
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
41h 50m
Based on null reviews
Sun, Jul 5
ONT
Ontario Airport
ATH
Athens Airport (Eleftherios Venizelos)
52h 25m
Based on null reviews
Show more results

Top 4 airlines serving Ontario to Athens Eleftherios V.

Scores according to KAYAK customer reviews

8.0
Delta
Overall score based on 28,354 reviews
8.2
Boarding
7.8
Comfort
8.5
Crew
7.8
Entertainment
7.5
Food
Airline reviews
Read more about Delta
*
Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an and someone from our team will get back to you promptly.

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The fares displayed include all taxes and fees for economy class travel and were found by the provider in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
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