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

The cheapest airlines for a one-way flight from Greece to Ontario are British Airways ($810), KLM ($820), and Iberia ($1,111).

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

Travelers have found it’s best to book a flight 55 days in advance to save up to 22% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 55 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Greece to Ontario 1-2 weeks in advance for as low as $834, or $1,043 for flights within the next 24 hours.

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

Flights from Greece to Ontario lean towards being more expensive in July. Prices are generally better when you fly from Greece to Ontario in February, with the cheapest ticket starting at $666.

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

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

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

Most people fly into Ontario (ONT) if they book a flight to Ontario from Greece. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

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

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

How can I find direct flights from Greece to Ontario?

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

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

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

$2,042+ Flights from Greece to Ontario

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Cheap flight deals from Greece to Ontario

Round-trip from	$760 (Tripair)

From Greece to Ontario

Search Deals

Find flight deals from Greece to Ontario

Cheapest flights from Greece to Ontario
Explore the most affordable flight options available from Greece to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

Sun 12/222:55 pmATH - ONT

2 stops36h 59mBritish Airways

Sun 1/192:44 pmONT - ATH

2 stops46h 26mBritish Airways

Deal found 12/21

$1,299

Sun 12/2212:50 pmATH - ONT

2 stops39h 03mUnited Airlines

Sat 1/410:39 amONT - ATH

2 stops19h 46mUnited Airlines

Deal found 12/21

$1,392

Sun 12/227:05 amATH - ONT

2 stops25h 55mMultiple Airlines

Sat 1/45:05 amONT - ATH

3 stops22h 20mMultiple Airlines

Deal found 12/21

$2,007

Mon 12/236:50 pmATH - ONT

2 stops33h 43mQatar Airways

Mon 1/611:33 amONT - ATH

2 stops38h 12mQatar Airways

Deal found 12/21

$3,278

Sat 12/213:25 amATH - ONT

2 stops24h 02mDelta

Sat 1/46:52 amONT - ATH

2 stops20h 53mDelta

Deal found 12/21

$3,746

Best flights from Greece to Ontario
Discover carefully curated flight deals from Greece to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 22, 2024.

Mon 1/277:35 pmATH - ONT

2 stops33h 02mBritish Airways

Mon 2/103:04 pmONT - ATH

2 stops36h 41mBritish Airways

Deal found 12/21

$760

Thu 4/310:30 amATH - ONT

1 stop22h 09mKLM

Thu 4/247:00 amONT - ATH

1 stop17h 55mKLM

Deal found 12/21

$834

Sat 1/257:00 amATH - ONT

2 stops21h 19mUnited Airlines

Sat 2/110:47 amONT - ATH

2 stops21h 18mUnited Airlines

Deal found 12/21

$870

Tue 1/77:45 amATH - ONT

2 stops25h 00mMultiple Airlines

Wed 2/1910:51 amONT - ATH

2 stops18h 24mMultiple Airlines

Deal found 12/21

$4,505

Last-minute flights from Greece to Ontario
Discover last-minute flight deals from Greece to Ontario. Data last updated December 22, 2024 and is based on user searches.

Sat 12/213:25 amATH - ONT

2 stops24h 02mDelta

Sat 1/46:52 amONT - ATH

2 stops20h 53mDelta

Deal found 12/21

$3,746

Sun 12/227:05 amATH - ONT

2 stops25h 55mMultiple Airlines

Sat 1/45:05 amONT - ATH

3 stops22h 20mMultiple Airlines

Deal found 12/21

$2,007

Mon 12/236:50 pmATH - ONT

2 stops33h 43mQatar Airways

Mon 1/611:33 amONT - ATH

2 stops38h 12mQatar Airways

Deal found 12/21

$3,278

Thu 12/267:30 amATH - ONT

2 stops24h 06mBritish Airways

Sun 1/511:59 pmONT - ATH

2 stops32h 56mBritish Airways

Deal found 12/21

$1,746

Thu 12/266:50 pmATH - ONT

2 stops29h 08mQatar Airways

Mon 1/611:33 amONT - ATH

2 stops38h 12mQatar Airways

Deal found 12/21

$9,893

Sat 1/257:00 amATH - ONT

2 stops21h 19mUnited Airlines

Sat 2/110:47 amONT - ATH

2 stops21h 18mUnited Airlines

Deal found 12/21

$870

Mon 1/277:35 pmATH - ONT

2 stops33h 02mBritish Airways

Mon 2/103:04 pmONT - ATH

2 stops36h 41mBritish Airways

Deal found 12/21

$760

One-way flights from Greece to Ontario
Search for one-way flight options from Greece to Ontario. Find affordable one-way fares based on user searches. Data last updated December 22, 2024.

Wed 3/267:55 pmATH - ONT

2 stops35h 06mBritish Airways

Deal found 12/20

$810

Sun 5/2512:20 pmATH - ONT

1 stop20h 21mKLM

Deal found 12/20

$820

Fri 4/253:40 amATH - ONT

2 stops28h 20mIberia

Deal found 12/21

$1,111

Thu 12/266:00 pmATH - ONT

3 stops32h 50mMultiple Airlines

Deal found 12/21

$1,492

Mon 1/63:25 amATH - ONT

2 stops23h 03mDelta

Deal found 12/20

$1,782

Wed 1/18:20 amATH - ONT

2 stops24h 09mLufthansa

Deal found 12/21

$1,945

Wed 3/2612:55 pmATH - ONT

2 stops32h 49mUnited Airlines

Deal found 12/20

$2,775

Find flights from Greece to Ontario within your budget

Fly from

Fly to

Route

Depart

Return

Price

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Mon 1/27

7:35 pm-6:37 pm

2 stops33h 02m

Ontario

Mon 2/10

3:04 pm-1:45 pm

2 stops36h 41m

$760

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Thu 4/3

10:30 am-10:39 pm

1 stop22h 09m

Ontario

Thu 4/24

7:00 am-10:55 am

1 stop17h 55m

$834

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Sat 1/25

7:00 am-6:19 pm

2 stops21h 19m

Ontario

Sat 2/1

10:47 am-6:05 pm

2 stops21h 18m

$870

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Tue 1/7

7:45 am-10:45 pm

2 stops25h 00m

Ontario

Wed 2/19

10:51 am-3:15 pm

2 stops18h 24m

$4,505

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Wed 3/26

7:55 pm-10:01 pm

2 stops35h 06m

$810

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Sun 5/25

12:20 pm-10:41 pm

1 stop20h 21m

$820

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Fri 4/25

3:40 am-10:00 pm

2 stops28h 20m

$1,111

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Thu 12/26

6:00 pm-4:50 pm

3 stops32h 50m

$1,492

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Mon 1/6

3:25 am-4:28 pm

2 stops23h 03m

$1,782

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Wed 1/1

8:20 am-10:29 pm

2 stops24h 09m

$1,945

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 11 results

Best time to book a flight from Greece to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Greece 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 Greece to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Greece to Ontario (average of $246). Flying from Greece to Ontario in March is currently the most expensive (average of $317). 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.

Rainfall in Ontario by month

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

8,597 reviews

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,342 reviews

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

9,028 reviews

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Iberia

7.0

Good

2,652 reviews

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Lufthansa

6.8

Okay

7,080 reviews

Delta

8.0

Very good

8,597 reviews

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly into for flights to Ontario from Greece?
Most people fly into Ontario (ONT) if they book a flight to Ontario from Greece. Ontario is conveniently located just 3.1 mi from Ontario’s city center.
What are the cheapest airlines to fly from Greece to Ontario one-way?
The cheapest airlines for a one-way flight from Greece to Ontario are British Airways ($810), KLM ($820), and Iberia ($1,111).
Can I find deals for flights from Greece to Ontario that include hotel bookings?
Yes. In addition to deals on Greece to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Greece to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Greece to Ontario.
Can I find deals for business class flights from Greece to Ontario?
Yes. Cheapflights offers flight deals from Greece to Ontario 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 Greece to Ontario?
Currently, August is the cheapest month in which you can book a flight from Greece to Ontario (average of $246). Flying from Greece to Ontario in March is currently the most expensive (average of $317). 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.

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$760+ Cheap flights from Greece to Ontario (ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/27. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Greece to Ontario with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Greece to Ontario

Round-trip from

Find flight deals from Greece to Ontario

Cheapest flights from Greece to OntarioExplore the most affordable flight options available from Greece to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

Explore the most affordable flight options available from Greece to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

Find flights from Greece to Ontario within your budget

Best time to book a flight from Greece to Ontario

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

Travel insights for flights from Greece to Ontario

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

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

Rainfall in Ontario by month

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

Temperature in Ontario by month

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

Reviews of airlines servicing Ontario

Related info for your journey

Find useful and relevant information for your journey from Greece to Ontario. 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 into for flights to Ontario from Greece?

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

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

How can I find direct flights from Greece to Ontario?

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

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

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 Greece to Ontario

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

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Cheapest flights from Greece to Ontario
Explore the most affordable flight options available from Greece to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.