What are the cheapest airlines to fly from Ontario to Greece one-way?

$452 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on United Airlines and Iberia, with prices starting from $465 and $515, respectively.

What are the most popular airlines that fly from Ontario to Greece?

Before booking your flight from Ontario to Greece check out the most popular airlines for this route: American Airlines, British Airways or Delta.

How far in advance should I book a flight from Ontario to Greece?

To save up to 6% on this flight, we recommend booking at least 45 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ontario to Greece from $734 1-2 weeks out and tickets from $734 for flights departing within the next 72 hours.

What is the cheapest month to fly from Ontario to Greece?

November can be a great time to fly to Greece from Ontario with a flight ticket averaging about $880. Cheapflights users have found deals in the month of November for as cheap as $476. The most expensive prices can be found in the month of June.

What airport do you fly from for flights from Ontario to Greece?

Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Greece. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

Can I find deals for flights from Ontario to Greece that include hotel bookings?

Yes. In addition to deals on Ontario to Greece flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Greece?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Greece.

Can I find deals for business class flights from Ontario to Greece?

Yes. Cheapflights offers flight deals from Ontario to Greece by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$919+ Flights from Ontario to Greece

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Cheap flight deals from Ontario to Greece

Round-trip from	$629 (oojo)
One-way from	$452 (British Airways)

From Ontario to Greece

Search Deals

One-way flight from Ontario to Greece

Search Deals

Find flight deals from Ontario to Greece

Cheapest flights from Ontario to Greece
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 December 19, 2024.

Sun 12/296:50 pmONT - ATH

2 stops44h 05mUnited Airlines

Sun 1/122:15 pmATH - ONT

2 stops41h 42mUnited Airlines

Deal found 12/18

$883

Mon 12/2310:46 amONT - ATH

2 stops18h 29mIberia

Wed 1/83:55 pmATH - ONT

2 stops42h 03mIberia

Deal found 12/18

$1,305

Mon 12/3010:46 amONT - ATH

2 stops26h 24mBritish Airways

Wed 1/17:55 pmATH - ONT

2 stops32h 38mBritish Airways

Deal found 12/18

$2,512

Tue 12/247:15 amONT - ATH

2 stops22h 00mMultiple Airlines

Wed 1/87:45 amATH - ONT

2 stops25h 00mMultiple Airlines

Deal found 12/18

$2,549

Best flights from Ontario to Greece
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 December 19, 2024.

Wed 2/57:00 amONT - ATH

2 stops25h 35mBritish Airways

Tue 2/187:55 pmATH - ONT

2 stops32h 40mBritish Airways

Deal found 12/18

$629

Wed 2/57:00 amONT - ATH

2 stops25h 35mAmerican Airlines

Tue 2/187:45 amATH - ONT

3 stops24h 31mAmerican Airlines

Deal found 12/18

$633

Tue 2/410:47 amONT - ATH

2 stops19h 38mUnited Airlines

Wed 2/267:05 amATH - ONT

2 stops23h 35mUnited Airlines

Deal found 12/17

$638

Tue 2/46:00 amONT - ATH

2 stops21h 45mDelta

Sat 2/153:25 amATH - ONT

2 stops30h 01mDelta

Deal found 12/18

$650

Fri 1/176:00 amONT - ATH

2 stops24h 35mMultiple Airlines

Wed 1/223:25 amATH - ONT

2 stops23h 03mMultiple Airlines

Deal found 12/18

$690

Wed 4/2310:00 pmONT - ATH

1 stop26h 50mKLM

Thu 5/110:30 amATH - ONT

1 stop22h 11mKLM

Deal found 12/18

$863

Wed 2/55:10 amONT - ATH

3 stops22h 20mAir Canada

Tue 2/186:35 amATH - ONT

3 stops24h 17mAir Canada

Deal found 12/18

$930

Thu 5/112:53 pmONT - ATH

2 stops44h 42mIberia

Thu 5/83:55 pmATH - ONT

2 stops62h 02mIberia

Deal found 12/18

$1,100

Wed 4/95:05 pmONT - SKG

2 stops17h 35mKLM

Wed 4/2311:15 amSKG - ONT

2 stops21h 25mKLM

Deal found 12/18

$908

Last-minute flights from Ontario to Greece
Discover last-minute flight deals from Ontario to Greece. Data last updated December 19, 2024 and is based on user searches.

Mon 12/2310:46 amONT - ATH

2 stops18h 29mIberia

Wed 1/83:55 pmATH - ONT

2 stops42h 03mIberia

Deal found 12/18

$1,305

Tue 12/247:15 amONT - ATH

2 stops22h 00mMultiple Airlines

Wed 1/87:45 amATH - ONT

2 stops25h 00mMultiple Airlines

Deal found 12/18

$2,549

Thu 12/266:50 pmONT - ATH

2 stops44h 05mUnited Airlines

Fri 1/317:05 amATH - ONT

2 stops23h 24mUnited Airlines

Deal found 12/17

$1,214

Sun 1/126:00 amONT - ATH

2 stops21h 45mDelta

Sun 1/263:25 amATH - ONT

2 stops29h 27mDelta

Deal found 12/17

$684

Wed 1/1510:47 amONT - ATH

2 stops19h 38mUnited Airlines

Sat 1/257:00 amATH - ONT

2 stops23h 51mUnited Airlines

Deal found 12/17

$647

Fri 1/1710:56 amONT - ATH

2 stops21h 24mBritish Airways

Thu 1/237:50 pmATH - ONT

2 stops36h 55mBritish Airways

Deal found 12/18

$634

Fri 1/176:00 amONT - ATH

2 stops24h 35mMultiple Airlines

Wed 1/223:25 amATH - ONT

2 stops23h 03mMultiple Airlines

Deal found 12/18

$690

One-way flights from Ontario to Greece
Search for one-way flight options from Ontario to Greece. Find affordable one-way fares based on user searches. Data last updated December 19, 2024.

Thu 1/1610:56 amONT - ATH

2 stops21h 44mBritish Airways

Deal found 12/18

$452

Sun 2/166:00 amONT - ATH

3 stops24h 25mUnited Airlines

Deal found 12/18

$465

Mon 1/1310:56 amONT - ATH

2 stops26h 14mMultiple Airlines

Deal found 12/18

$469

Sat 12/282:50 pmONT - ATH

2 stops38h 25mIberia

Deal found 12/18

$515

Sun 5/1110:00 pmONT - ATH

1 stop26h 10mKLM

Deal found 12/18

$1,307

Find flights from Ontario to Greece within your budget

Fly from

Fly to

Route

Depart

Return

Price

OntarioAthens

ONT - ATH

ONTATH

Ontario

Wed 2/5

7:00 am-6:35 pm

2 stops25h 35m

Athens Eleftherios V.

Tue 2/18

7:55 pm-6:35 pm

2 stops32h 40m

$629

OntarioAthens

ONT - ATH

ONTATH

Ontario

Wed 2/5

7:00 am-6:35 pm

2 stops25h 35m

Athens Eleftherios V.

Tue 2/18

7:45 am-10:16 pm

3 stops24h 31m

$633

OntarioAthens

ONT - ATH

ONTATH

Ontario

Tue 2/4

10:47 am-4:25 pm

2 stops19h 38m

Athens Eleftherios V.

Wed 2/26

7:05 am-8:40 pm

2 stops23h 35m

$638

OntarioAthens

ONT - ATH

ONTATH

Ontario

Tue 2/4

6:00 am-1:45 pm

2 stops21h 45m

Athens Eleftherios V.

Sat 2/15

3:25 am-11:26 pm

2 stops30h 01m

$650

OntarioAthens

ONT - ATH

ONTATH

Ontario

Fri 1/17

6:00 am-4:35 pm

2 stops24h 35m

Athens Eleftherios V.

Wed 1/22

3:25 am-4:28 pm

2 stops23h 03m

$690

OntarioAthens

ONT - ATH

ONTATH

Ontario

Wed 4/23

10:00 pm-10:50 am

1 stop26h 50m

Athens Eleftherios V.

Thu 5/1

10:30 am-10:41 pm

1 stop22h 11m

$863

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Wed 4/9

5:05 pm-8:40 pm

2 stops17h 35m

Thessaloniki Makedonia

Wed 4/23

11:15 am-10:40 pm

2 stops21h 25m

$908

OntarioAthens

ONT - ATH

ONTATH

Ontario

Wed 2/5

5:10 am-1:30 pm

3 stops22h 20m

Athens Eleftherios V.

Tue 2/18

6:35 am-8:52 pm

3 stops24h 17m

$930

OntarioAthens

ONT - ATH

ONTATH

Ontario

Thu 5/1

12:53 pm-7:35 pm

2 stops44h 42m

Athens Eleftherios V.

Thu 5/8

3:55 pm-7:57 pm

2 stops62h 02m

$1,100

OntarioAthens

ONT - ATH

ONTATH

Ontario

Thu 1/16

10:56 am-6:40 pm

2 stops21h 44m

$452

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 14 results

Best time to book a flight from Ontario to Greece

Have a flexible travel schedule? Discover the best time to fly to Greece from Ontario with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Greece

Get recent, data-driven insights about flights from Ontario to Greece including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario to Greece?

Currently, November is the cheapest month in which you can book a flight from Ontario to Greece (average of $679). Flying from Ontario to Greece in June is currently the most expensive (average of $1,430). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to GR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Greece as you normally would.

Rainfall in Greece by month

In terms of precipitation, rainfall in Greece ranges from 0.2 - 2.5 inches per month. December is typically the wettest month, when rainfall can reach 2.5 in. June is typically the driest time to visit Greece when rainfall is around 0.2 in.

Temperature in Greece by month

If weather is an important factor for your trip to Greece, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Greece

Peruse reviews from past customers who have flown with United Airlines, KLM and Iberia from Ontario to Greece to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,600 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

8,600 reviews

Delta

8.0

Very good

8,600 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,349 reviews

Delta

8.0

Very good

8,600 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

9,048 reviews

Delta

8.0

Very good

8,600 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,600 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada

7.0

Good

8,391 reviews

Delta

8.0

Very good

8,600 reviews

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from Ontario to Greece?
Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Greece. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.
What are the cheapest airlines to fly from Ontario to Greece one-way?
$452 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on United Airlines and Iberia, with prices starting from $465 and $515, respectively.
Can I find deals for flights from Ontario to Greece that include hotel bookings?
Yes. In addition to deals on Ontario to Greece flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Greece?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Greece.
Can I find deals for business class flights from Ontario to Greece?
Yes. Cheapflights offers flight deals from Ontario to Greece by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Ontario to Greece?
Currently, November is the cheapest month in which you can book a flight from Ontario to Greece (average of $679). Flying from Ontario to Greece in June is currently the most expensive (average of $1,430). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Ontario to Greece

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$550	Average$1,085	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$552	Average$825	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$584	Average$812	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$601	Average$865	FlexibilityNo cancel fee	On-time70%
KLM	Cheapest$618	Average$1,225	FlexibilityNo cancel fee	On-time75%

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$452+ Cheap flights from Ontario (ONT) to Greece

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Greece with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ontario to Greece

Round-trip from

One-way from

Find flight deals from Ontario to Greece

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 December 19, 2024.

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 December 19, 2024.

Find flights from Ontario to Greece within your budget

Best time to book a flight from Ontario to Greece

Have a flexible travel schedule? Discover the best time to fly to Greece from Ontario with our price prediction graph.

Travel insights for flights from Ontario to Greece

Get recent, data-driven insights about flights from Ontario to Greece including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario to Greece?

What is the cheapest time of day to fly from ONT to GR?

Find hourly flight availability from Ontario to Greece. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 19, 2024.

Rainfall in Greece by month

Plan your trip to Greece by taking into account the average rainfall totals by month.

Temperature in Greece by month

Plan your trip to Greece by taking into account the average temperature totals by month.

Reviews of airlines servicing Greece

Peruse reviews from past customers who have flown with United Airlines, KLM and Iberia from Ontario to Greece to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Greece. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Ontario to Greece?

What are the cheapest airlines to fly from Ontario to Greece one-way?

Can I find deals for flights from Ontario to Greece that include hotel bookings?

How can I find direct flights from Ontario to Greece?

Can I find deals for business class flights from Ontario to Greece?

What is the cheapest month to book a flight from Ontario to Greece?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Greece

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Ontario to Greece

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Book with Flexibility

Travel Smart

Cheapest flights from Ontario to Greece
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 December 19, 2024.