How long is the flight to Ontario?

The duration of your flight to Ontario depends on your departure and arrival airports. Obviously, any flights that include a layover will also be longer. The most popular routes to Ontario on KAYAK are from Athens , which takes 16h 25m , Thessaloniki , which takes 17h 05m, and Santorini (Thira) , which takes 35h 55m.

How far is Ontario Airport from central Ontario?

The city center of Ontario is 3 miles from Ontario Airport.

What is the name of Ontario’s airport?

When flying to Ontario, you'll arrive at Ontario Airport (ONT). The airport is also known as Ontario or Ontario Intl.

How does KAYAK find such low prices on flights 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 to Ontario.

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

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

What is the Hacker Fare option on flights 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 with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight 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 up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

How many direct flights to Ontario are there each day?

There are around 140 direct flights from within Greece to Ontario every day. Most flights depart in the afternoon, with 34% of flights departing in the afternoon.

How many direct flights to Ontario are there each week?

Each week there are around 979 direct flights from within Greece to Ontario. The most common day for departures is Sunday, with 19% of flights taking off on this day.

What are the most popular airlines flying to Ontario?

The most popular airline among KAYAK users flying to Ontario is Lufthansa, followed by Turkish Airlines and United Airlines.

$1,090 CHEAP FLIGHTS from Greece to Ontario

Save 26% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals

Cheap Flights from Greece to Ontario

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Greece to Ontario

Wed, Nov 25 - Wed, Jan 27

6:45 am - 8:15 pmATH Athens Eleftherios V.-ONT Ontario

23h 30m2 stops Frankfurt am Main San Francisco

9:45 am - 1:30 amONT Ontario-ATH Athens Eleftherios V.

29h 45m2 stops San Francisco Munich Franz Josef Strauss

$1,090United Airlines

Fri, Feb 5 - Sun, Feb 7

6:45 am - 8:25 pmATH Athens Eleftherios V.-ONT Ontario

23h 40m2 stops Frankfurt am Main San Francisco

6:00 am - 4:30 pmONT Ontario-ATH Athens Eleftherios V.

24h 30m2 stops Houston George Bush Intcntl Frankfurt am Main

$1,092United Airlines

Fri, Apr 23 - Tue, Apr 27

6:55 am - 10:31 pmATH Athens Eleftherios V.-ONT Ontario

25h 36m2 stops Zurich Chicago O'Hare Intl

7:00 am - 10:35 amONT Ontario-ATH Athens Eleftherios V.

17h 35m1 stop Chicago O'Hare Intl

$1,098United Airlines

Thu, Apr 29 - Tue, May 4

12:35 pm - 10:31 pmATH Athens Eleftherios V.-ONT Ontario

19h 56m1 stop Chicago O'Hare Intl

7:00 am - 10:35 amONT Ontario-ATH Athens Eleftherios V.

17h 35m1 stop Chicago O'Hare Intl

$1,103United Airlines

Fri, Apr 23 - Tue, Apr 27

12:35 pm - 10:31 pmATH Athens Eleftherios V.-ONT Ontario

19h 56m1 stop Chicago O'Hare Intl

7:00 am - 10:35 amONT Ontario-ATH Athens Eleftherios V.

17h 35m1 stop Chicago O'Hare Intl

$1,104United Airlines

Wed, Nov 25 - Fri, Jan 29

6:45 am - 9:40 pmATH Athens Eleftherios V.-ONT Ontario

24h 55m2 stops Frankfurt am Main Houston George Bush Intcntl

11:20 am - 4:30 pmONT Ontario-ATH Athens Eleftherios V.

19h 10m2 stops San Francisco Frankfurt am Main

$1,138United Airlines

Sun, Nov 22 - Fri, Dec 4

7:55 am - 10:36 pmATH Athens Eleftherios V.-ONT Ontario

24h 41m2 stops London Heathrow Dallas/Fort Worth

4:51 pm - 10:00 pmONT Ontario-ATH Athens Eleftherios V.

19h 09m2 stops Phoenix Sky Harbor Intl London Heathrow

$1,168American Airlines

Thu, Apr 1 - Sat, Apr 10

9:45 am - 10:14 pmATH Athens Eleftherios V.-ONT Ontario

22h 29m1 stop Atlanta Hartsfield-Jackson

7:00 am - 11:00 amONT Ontario-ATH Athens Eleftherios V.

18h 00m1 stop Atlanta Hartsfield-Jackson

$1,281KLM

Mon, Apr 5 - Tue, Apr 13

9:45 am - 10:14 pmATH Athens Eleftherios V.-ONT Ontario

22h 29m1 stop Atlanta Hartsfield-Jackson

7:00 am - 11:00 amONT Ontario-ATH Athens Eleftherios V.

18h 00m1 stop Atlanta Hartsfield-Jackson

$1,283Air France

Thu, Apr 15 - Mon, Apr 19

11:35 am - 10:15 pmATH Athens Eleftherios V.-ONT Ontario

20h 40m2 stops Istanbul Denver Intl

2:30 pm - 8:35 pmONT Ontario-ATH Athens Eleftherios V.

20h 05m2 stops Denver Intl Istanbul

$1,326Multiple Airlines

Recent last minute flight deals from Greece to Ontario

Wed, Nov 18 - Wed, Nov 25

6:45 am - 8:15 pmATH Athens Eleftherios V.-ONT Ontario

23h 30m2 stops Frankfurt am Main San Francisco

1:29 pm - 4:30 pmONT Ontario-ATH Athens Eleftherios V.

17h 01m2 stops Denver Intl Frankfurt am Main

$1,261United Airlines

Wed, Nov 18 - Sun, Nov 22

6:10 am - 5:16 pmATH Athens Eleftherios V.-ONT Ontario

21h 06m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

6:00 am - 9:35 amONT Ontario-ATH Athens Eleftherios V.

17h 35m2 stops Salt Lake City New York John F Kennedy Intl

$1,325KLM

Wed, Nov 18 - Sun, Nov 22

6:10 am - 4:24 pmATH Athens Eleftherios V.-ONT Ontario

20h 14m2 stops Amsterdam Schiphol Salt Lake City

6:00 am - 9:35 amONT Ontario-ATH Athens Eleftherios V.

17h 35m2 stops Salt Lake City New York John F Kennedy Intl

$1,359KLM

Fri, Nov 13 - Wed, Nov 25

7:05 am - 8:15 pmATH Athens Eleftherios V.-ONT Ontario

23h 10m2 stops Zurich San Francisco

1:29 pm - 4:30 pmONT Ontario-ATH Athens Eleftherios V.

17h 01m2 stops Denver Intl Frankfurt am Main

$1,422United Airlines

Fri, Nov 13 - Fri, Nov 27

6:10 am - 4:24 pmATH Athens Eleftherios V.-ONT Ontario

20h 14m2 stops Amsterdam Schiphol Salt Lake City

6:00 am - 9:35 amONT Ontario-ATH Athens Eleftherios V.

17h 35m2 stops Salt Lake City New York John F Kennedy Intl

$1,539KLM

Sat, Nov 14 - Sun, Dec 20

4:55 pm - 6:42 pmATH Athens Eleftherios V.-ONT Ontario

35h 47m2 stops London Heathrow Dallas/Fort Worth

2:22 pm - 1:25 amONT Ontario-ATH Athens Eleftherios V.

25h 03m2 stops Dallas/Fort Worth London Heathrow

$2,064British Airways

Sat, Nov 14 - Mon, Nov 30

6:10 am - 4:24 pmATH Athens Eleftherios V.-ONT Ontario

20h 14m2 stops Amsterdam Schiphol Salt Lake City

6:00 am - 9:35 amONT Ontario-ATH Athens Eleftherios V.

17h 35m2 stops Salt Lake City New York John F Kennedy Intl

$2,290Multiple Airlines

Sat, Nov 14 - Sun, Dec 20

4:55 pm - 9:32 pmATH Athens Eleftherios V.-ONT Ontario

38h 37m2 stops London Heathrow Dallas/Fort Worth

2:22 pm - 1:25 amONT Ontario-ATH Athens Eleftherios V.

25h 03m2 stops Dallas/Fort Worth London Heathrow

$2,395British Airways

Wed, Nov 18 - Sat, Dec 5

1:20 pm - 6:52 pmATH Athens Eleftherios V.-ONT Ontario

39h 32m2 stops Doha Hamad Intl Dallas/Fort Worth

1:02 pm - 11:10 amONT Ontario-ATH Athens Eleftherios V.

36h 08m2 stops Dallas/Fort Worth Doha Hamad Intl

$2,592Qatar Airways

Sun, Nov 15 - Sun, Dec 20

7:55 am - 9:32 pmATH Athens Eleftherios V.-ONT Ontario

23h 37m2 stops London Heathrow Dallas/Fort Worth

2:22 pm - 1:25 amONT Ontario-ATH Athens Eleftherios V.

25h 03m2 stops Dallas/Fort Worth London Heathrow

$2,649British Airways

Booking Insights

KAYAK's insights & trends for flights to Ontario

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

Airlines

What are the most popular airlines flying to Ontario?: The most popular airline among KAYAK users flying to Ontario is Lufthansa, followed by Turkish Airlines and United Airlines.

Find deals

Cheapest flight	$546

Flight from Athens to Ontario

How far is Ontario Airport from central Ontario?
The city center of Ontario is 3 miles from Ontario Airport.
What is the name of Ontario’s airport?
When flying to Ontario, you'll arrive at Ontario Airport (ONT). The airport is also known as Ontario or Ontario Intl.
How does KAYAK find such low prices on flights 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 to Ontario.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Ontario?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights 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 with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight 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 up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.
How many direct flights to Ontario are there each week?
Each week there are around 979 direct flights from within Greece to Ontario. The most common day for departures is Sunday, with 19% of flights taking off on this day.