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Ontario

$808+ Cheap flights from Greece to Ontario (ONT)

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ONT
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Greece to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Greece (GR0) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

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 November 21, 2024.

This KLM deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/216:00 amATH - ONT
2 stops20h 45mKLM
Thu 11/286:00 amONT - ATH
2 stops17h 55mKLM
Deal found 11/20$1,129
This Iberia deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/217:30 amATH - ONT
2 stops26h 27mMultiple Airlines
Sat 11/307:08 amONT - ATH
2 stops22h 07mMultiple Airlines
Deal found 11/20$1,224
This British Airways deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/257:45 amATH - ONT
2 stops24h 17mBritish Airways
Wed 11/2711:59 pmONT - ATH
2 stops39h 16mBritish Airways
Deal found 11/20$1,231
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/512:50 pmATH - ONT
2 stops21h 08mUnited Airlines
Fri 12/1310:35 amONT - ATH
2 stops19h 50mUnited Airlines
Deal found 11/20$1,279
This Qatar Airways deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/276:50 pmATH - ONT
2 stops32h 39mQatar Airways
Sun 12/82:54 pmONT - ATH
2 stops34h 51mQatar Airways
Deal found 11/20$18,249

Find flights from Greece to Ontario within your budget

Customize your flight search to find flights from Greece to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 21, 2024.

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Route

Depart

Return

Price

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Thu 5/1

10:30 am-10:41 pm

1 stop22h 11m

Ontario

Sun 5/11

10:00 pm-10:50 am

1 stop26h 50m

$833

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Thu 1/9

7:00 am-8:29 pm

2 stops23h 29m

Ontario

Fri 1/17

10:47 am-4:25 pm

2 stops19h 38m

$1,077

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Wed 1/8

3:25 am-3:25 pm

2 stops22h 00m

Ontario

Fri 1/17

7:00 am-1:45 pm

2 stops20h 45m

$1,320

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Tue 4/8

3:40 am-8:03 pm

2 stops26h 23m

Ontario

Tue 4/22

10:58 am-3:15 pm

2 stops18h 17m

$2,675

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Mon 5/5

2:25 pm-10:22 pm

2 stops41h 57m

Ontario

Sat 5/17

11:37 pm-6:30 am

2 stops44h 53m

$3,816

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Mon 1/13

7:45 am-10:16 pm

2 stops24h 31m

Ontario

Sat 1/18

10:56 am-3:15 pm

2 stops18h 19m

$4,108

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Tue 4/22

7:40 pm-6:17 pm

2 stops32h 37m

Ontario

Wed 5/7

3:00 pm-12:25 pm

2 stops35h 25m

$4,131

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Mon 1/13

7:45 am-10:16 pm

2 stops24h 31m

$808

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Sat 2/8

8:00 am-10:16 pm

2 stops24h 16m

$843

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Mon 12/30

3:25 am-8:15 pm

2 stops26h 50m

$1,470

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 15 results
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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, September is the cheapest month in which you can book a flight from Greece to Ontario (average of $236). Flying from Greece to Ontario in December is currently the most expensive (average of $298). 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

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

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

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated November 21, 2024.
See what other customers who have flown with KLM and Qatar Airways from Greece to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,758 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

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
8,758 reviews
Delta
8.0
Very good
8,758 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

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
1,350 reviews
Delta
8.0
Very good
8,758 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

Qatar Airways
7.5
Good
3,832 reviews
Delta
8.0
Very good
8,758 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

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

Air France
7.4
Good
1,525 reviews
Delta
8.0
Very good
8,758 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

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
9,172 reviews
Delta
8.0
Very good
8,758 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

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

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?

    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 ($808), Delta ($1,470), and United Airlines ($1,939).

  • 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, September is the cheapest month in which you can book a flight from Greece to Ontario (average of $236). Flying from Greece to Ontario in December is currently the most expensive (average of $298). 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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Alternative routes for Greece to Ontario

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