ATH - ONT

$583 Find Cheap Flights from Athens to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Athens to Ontario departing on 9/15. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Athens to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Athens to Ontario, as well as popular online travel agencies
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41.299.237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$974
United Airlines
Tue 4/14Tue 4/21
ATH - ONT • 1 stop
Cheapest one-way
$583
Multiple Airlines
Tue 9/15
ATH - ONT • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Athens and Ontario. You'll need at least 2 connections.
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Ontario!
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Flight Deals

Cheap Flights from Athens to Ontario (ATH-ONT)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Athens to Ontario 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 Athens to Ontario

Tue, Apr 14 - Tue, Apr 21
United Airlines Logo
12:35 pm - 10:31 pm
ATH
-
ONT
19h 56m
1 stop
United Airlines Logo
7:00 am - 10:35 am
ONT
-
ATH
17h 35m
1 stop
$974United Airlines
Wed, Apr 22 - Wed, Apr 29
KLM Logo
9:45 am - 6:33 pm
ATH
-
ONT
18h 48m
1 stop
KLM Logo
7:05 am - 11:00 am
ONT
-
ATH
17h 55m
1 stop
$975KLM
Fri, May 8 - Sun, May 24
United Airlines Logo
12:35 pm - 10:35 pm
ATH
-
ONT
20h 00m
1 stop
United Airlines Logo
6:30 am - 10:35 am
ONT
-
ATH
18h 05m
1 stop
$977United Airlines
Tue, Apr 21 - Tue, Apr 28
Multiple Airlines Logo
9:45 am - 9:00 pm
ATH
-
ONT
21h 15m
1 stop
Multiple Airlines Logo
10:15 pm - 11:00 am
ONT
-
ATH
26h 45m
1 stop
$992Multiple Airlines
Tue, Apr 21 - Tue, Apr 28
Multiple Airlines Logo
6:35 am - 9:00 pm
ATH
-
ONT
24h 25m
2 stops
Multiple Airlines Logo
10:15 pm - 11:00 am
ONT
-
ATH
26h 45m
1 stop
$998Multiple Airlines
Mon, Apr 20 - Wed, Apr 29
Multiple Airlines Logo
6:00 am - 4:25 pm
ATH
-
ONT
20h 25m
2 stops
Multiple Airlines Logo
7:05 am - 11:00 am
ONT
-
ATH
17h 55m
1 stop
$1,000Multiple Airlines
Wed, Apr 22 - Wed, Apr 29
KLM Logo
6:00 am - 4:25 pm
ATH
-
ONT
20h 25m
2 stops
KLM Logo
5:05 pm - 1:15 am
ONT
-
ATH
22h 10m
2 stops
$1,001KLM
Mon, Apr 20 - Wed, Apr 29
KLM Logo
6:00 am - 9:00 pm
ATH
-
ONT
25h 00m
2 stops
KLM Logo
5:05 pm - 1:15 am
ONT
-
ATH
22h 10m
2 stops
$1,002KLM
Sat, Apr 25 - Sat, May 9
KLM Logo
6:00 am - 9:00 pm
ATH
-
ONT
25h 00m
2 stops
KLM Logo
10:00 pm - 11:00 am
ONT
-
ATH
27h 00m
1 stop
$1,029KLM
Sat, Apr 25 - Sat, May 9
KLM Logo
9:45 am - 6:33 pm
ATH
-
ONT
18h 48m
1 stop
KLM Logo
10:00 pm - 11:00 am
ONT
-
ATH
27h 00m
1 stop
$1,031KLM
Booking Insights

KAYAK's insights & trends for Athens to Ontario flights

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

Which airlines provide the cheapest flights from Athens to Ontario?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Athens to Ontario were found on United Airlines ($974) and KLM ($975).

Find deals

Good to know

Cheapest flight$583
Flight from Athens to Ontario

When to book flights from Athens to Ontario

Are your dates flexible? Find out the best times to travel from Athens to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Athens to Ontario

  • What is the cheapest flight from Athens to Ontario?

    In the last 3 days, the lowest price for a flight from Athens to Ontario was $583 for a one-way ticket and $974 for a round-trip.

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

    A passport is required to fly from Athens to Ontario.

  • Which aircraft models fly most regularly from Athens to Ontario?

    We unfortunately don’t have that data for this specific route.

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

    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 Athens to Ontario.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Athens 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 Athens to Ontario?

    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 to Ontario with an airline and back to Athens with another airline. Booking your flights between Athens and ONT can sometimes prove cheaper using this method.

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

    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 to Ontario from Athens 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 Athens to Ontario

Information on your arrival and departure airports

Athens (ATH)
Ontario (ONT)