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Cheap flights from Greece to Ontario (ONT) from $669

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 6/14. 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.
ATH — ONT
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
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How far in advance should I book a flight from Greece to Ontario?

Travelers have found it’s best to book a flight 56 days in advance to save up to 55% 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 56 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 $764, or $936 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 August. Prices are generally better when you fly from Greece to Ontario in February, with the cheapest ticket starting at $661.

When is the cheapest time to fly from Greece to Ontario (GR - 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.

Cheap British Airways flights from Greece to Ontario

Explore cheap flight options specifically provided by British Airways for the route between Greece and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Take a look at some of the lowest-priced British Airways flights heading from Greece to Ontario. Be sure to come back soon if the deals available don't appeal to you at this time.
Thu 7/115:45 pmATH - ONT
2 stops35h 05mBritish Airways
Sat 7/2712:43 pmONT - ATH
2 stops27h 22mBritish Airways
Deal found 5/15$858
Tue 9/178:00 pmATH - ONT
2 stops35h 42mBritish Airways
Sat 9/2812:45 pmONT - ATH
2 stops21h 00mBritish Airways
Deal found 5/15$867
Tue 10/16:30 pmATH - ONT
2 stops38h 56mBritish Airways
Tue 10/812:45 pmONT - ATH
2 stops19h 35mBritish Airways
Deal found 5/16$870
Fri 6/78:50 pmATH - ONT
2 stops32h 07mBritish Airways
Sun 6/162:44 pmONT - ATH
2 stops25h 26mBritish Airways
Deal found 5/15$932
Tue 6/253:50 pmATH - ONT
2 stops42h 09mBritish Airways
Fri 7/2612:43 pmONT - ATH
2 stops27h 17mBritish Airways
Deal found 5/15$1,035
Tue 9/106:30 pmATH - ONT
2 stops33h 03mBritish Airways
Sat 9/142:52 pmONT - ATH
2 stops25h 13mBritish Airways
Deal found 5/15$1,100

Cheap KLM flights from Greece to Ontario

Explore cheap flight options specifically provided by KLM for the route between Greece and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Some of the best deals we've found on KLM flights traveling from Greece to Ontario. Check back soon if you're not seeing flights that suit your needs.
Fri 8/161:00 pmATH - ONT
1 stop19h 12mKLM
Sun 10/207:00 amONT - ATH
1 stop17h 45mKLM
Deal found 5/14$924
Wed 8/141:00 pmATH - ONT
1 stop19h 12mKLM
Sun 10/207:00 amONT - ATH
1 stop17h 45mKLM
Deal found 5/14$962
Fri 8/161:00 pmATH - ONT
1 stop19h 12mKLM
Sat 10/197:00 amONT - ATH
1 stop17h 45mKLM
Deal found 5/14$1,002
Wed 8/141:00 pmATH - ONT
1 stop19h 12mKLM
Sat 10/197:00 amONT - ATH
1 stop17h 45mKLM
Deal found 5/14$1,040
Sat 8/171:00 pmATH - ONT
1 stop19h 12mKLM
Mon 10/217:00 amONT - ATH
1 stop17h 45mKLM
Deal found 5/14$1,082
Wed 7/1712:55 pmATH - ONT
1 stop20h 02mKLM
Tue 9/37:00 amONT - ATH
1 stop17h 40mKLM
Deal found 5/15$1,109
Tue 9/1712:55 pmATH - ONT
1 stop19h 33mKLM
Sat 9/287:00 amONT - ATH
1 stop17h 40mKLM
Deal found 5/15$1,130
Tue 9/2412:55 pmATH - ONT
1 stop19h 33mKLM
Fri 10/47:00 amONT - ATH
1 stop17h 45mKLM
Deal found 5/15$1,343
Tue 9/1012:55 pmATH - ONT
1 stop19h 33mKLM
Sat 9/147:00 amONT - ATH
1 stop17h 40mKLM
Deal found 5/15$1,569

Cheap Greece to Ontario flights in May & June 2024

Find cheap flight options from Greece to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
These are some of the best deals we've found on flights to Ontario in 2024 at this time. For more flight deals, be sure to check back very soon.
Fri 6/78:50 pmATH - ONT
2 stops32h 07mBritish Airways
Sun 6/162:44 pmONT - ATH
2 stops25h 26mBritish Airways
Deal found 5/15$932
Tue 6/253:50 pmATH - ONT
2 stops42h 09mBritish Airways
Fri 7/2612:43 pmONT - ATH
2 stops27h 17mBritish Airways
Deal found 5/15$1,035
Fri 6/712:30 pmATH - ONT
1 stop19h 39mMultiple Airlines
Sun 6/1611:59 pmONT - ATH
1 stop24h 26mMultiple Airlines
Deal found 5/15$1,551
Sat 6/1512:55 pmATH - ONT
1 stop20h 05mKLM
Sat 6/297:05 amONT - ATH
1 stop17h 35mKLM
Deal found 5/15$1,728
Thu 5/1612:55 pmATH - ONT
1 stop19h 52mKLM
Thu 5/236:00 amONT - ATH
1 stop18h 40mKLM
Deal found 5/15$1,735
Sat 6/1512:55 pmATH - ONT
1 stop20h 05mKLM
Mon 7/17:05 amONT - ATH
1 stop17h 35mKLM
Deal found 5/15$1,941
Tue 6/2512:55 pmATH - ONT
1 stop20h 05mKLM
Fri 7/267:00 amONT - ATH
1 stop17h 40mKLM
Deal found 5/15$2,155
Sat 5/2512:25 pmATH - ONT
1 stop19h 44mMultiple Airlines
Sun 6/911:40 pmONT - ATH
1 stop24h 45mMultiple Airlines
Deal found 5/16$2,773
Sun 6/1612:30 pmATH - ONT
1 stop20h 08mMultiple Airlines
Sun 6/3011:59 pmONT - ATH
1 stop24h 26mMultiple Airlines
Deal found 5/15$4,076

Greece to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Greece and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
These are some of the best deals we've found on flights to Ontario in 2024 at this time. For more flight deals, be sure to check back very soon.
Thu 7/115:45 pmATH - ONT
2 stops35h 05mBritish Airways
Sat 7/2712:43 pmONT - ATH
2 stops27h 22mBritish Airways
Deal found 5/15$858
Tue 9/178:00 pmATH - ONT
2 stops35h 42mBritish Airways
Sat 9/2812:45 pmONT - ATH
2 stops21h 00mBritish Airways
Deal found 5/15$867
Fri 8/161:00 pmATH - ONT
1 stop19h 12mKLM
Sun 10/207:00 amONT - ATH
1 stop17h 45mKLM
Deal found 5/14$924
Fri 6/78:50 pmATH - ONT
2 stops32h 07mBritish Airways
Sun 6/162:44 pmONT - ATH
2 stops25h 26mBritish Airways
Deal found 5/15$932
Wed 8/141:00 pmATH - ONT
1 stop19h 12mKLM
Sun 10/207:00 amONT - ATH
1 stop17h 45mKLM
Deal found 5/14$962
Wed 7/1712:30 pmATH - ONT
2 stops20h 30mAmerican Airlines
Tue 9/36:10 amONT - ATH
2 stops18h 50mAmerican Airlines
Deal found 5/15$985
Fri 8/161:00 pmATH - ONT
1 stop19h 12mKLM
Sat 10/197:00 amONT - ATH
1 stop17h 45mKLM
Deal found 5/14$1,002
Fri 7/191:15 pmATH - ONT
2 stops30h 39mAmerican Airlines
Thu 7/2510:36 pmONT - ATH
2 stops24h 39mAmerican Airlines
Deal found 5/14$1,017
Tue 6/253:50 pmATH - ONT
2 stops42h 09mBritish Airways
Fri 7/2612:43 pmONT - ATH
2 stops27h 17mBritish Airways
Deal found 5/15$1,035

One-way flights to Ontario from Greece

Search for one-way flight options from Greece to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
If you're seeking multiple options on one-way flights from Greece to Ontario, be sure to check out these deals, which are updated often. Those seeking round-trip flights from Greece to Ontario should utilize the search form at the the top of the page.
Fri 6/144:20 amATH - ONT
2 stops28h 18mAir Serbia
Deal found 5/15$669
Fri 9/273:40 pmATH - ONT
2 stops40h 47mAir Serbia
Deal found 5/14$738
Fri 6/213:55 amATH - ONT
2 stops28h 43mTurkish Airlines
Deal found 5/16$746
Wed 7/1012:30 pmATH - ONT
2 stops20h 30mAmerican Airlines
Deal found 5/14$770
Wed 6/268:00 pmATH - ONT
2 stops36h 59mAmerican Airlines
Deal found 5/15$774
Wed 6/268:00 pmATH - ONT
2 stops36h 59mAmerican Airlines
Deal found 5/16$776
Tue 6/251:25 pmATH - ONT
2 stops30h 38mAmerican Airlines
Deal found 5/15$778
Sat 6/291:25 pmATH - ONT
2 stops30h 38mAmerican Airlines
Deal found 5/16$780
Wed 7/173:30 pmATH - ONT
2 stops40h 58mAir Serbia
Deal found 5/15$784

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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$858 - $1,405

Route

Depart

Return

Price

Athens Eleftherios V.Ontario

ATH - ONT

ATHONT

Athens Eleftherios V.

Thu 7/11

2 stops35h 05m

Ontario

Sat 7/27

2 stops27h 22m

$858

Athens Eleftherios V.Ontario

ATH - ONT

ATHONT

Athens Eleftherios V.

Tue 9/17

2 stops35h 42m

Ontario

Sat 9/28

2 stops21h 00m

$867

Athens Eleftherios V.Ontario

ATH - ONT

ATHONT

Athens Eleftherios V.

Tue 10/1

2 stops38h 56m

Ontario

Tue 10/8

2 stops19h 35m

$870

Athens Eleftherios V.Ontario

ATH - ONT

ATHONT

Athens Eleftherios V.

Fri 8/16

1 stop19h 12m

Ontario

Sun 10/20

1 stop17h 45m

$924

Athens Eleftherios V.Ontario

ATH - ONT

ATHONT

Athens Eleftherios V.

Wed 7/17

2 stops20h 30m

Ontario

Tue 9/3

2 stops18h 50m

$985

Athens Eleftherios V.Ontario

ATH - ONT

ATHONT

Athens Eleftherios V.

Sat 9/21

2 stops27h 57m

Ontario

Sun 9/29

2 stops30h 01m

$1,159

Athens Eleftherios V.Ontario

ATH - ONT

ATHONT

Athens Eleftherios V.

Sat 6/15

2 stops26h 27m

Ontario

Sat 6/22

2 stops26h 30m

$1,226

Athens Eleftherios V.Ontario

ATH - ONT

ATHONT

Athens Eleftherios V.

Sun 6/23

2 stops27h 15m

Ontario

Wed 6/26

1 stop26h 40m

$1,396

Athens Eleftherios V.Ontario

ATH - ONT

ATHONT

Athens Eleftherios V.

Fri 7/19

1 stop19h 58m

Ontario

Thu 7/25

1 stop23h 30m

$1,405

Flights are sorted by cheapest first

Deals found on 5/15

No data available for this route at this time. Please check back soon.

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 May 16, 2024.
See what other customers who have flown with British Airways, KLM and American Airlines 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
10,673 reviews
Check prices

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

Delta
8.0
Very good
10,673 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

KLM
7.9
Good
1,568 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

Qatar Airways
7.7
Good
4,387 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

Air France
7.6
Good
1,764 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

Turkish Airlines
7.4
Good
3,707 reviews
Delta
8.0
Very good
10,673 reviews
Check prices

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

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.

  • Can I find flights from Greece to Ontario for under $900 on Cheapflights?

    Yes, there are multiple flights from Greece to Ontario for under $900. The cheapest flight booked recently is on British Airways for just $858, but on average you can expect to pay $1,042.

  • 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 Air Serbia ($669), Turkish Airlines ($746), and American Airlines ($770).

  • What does ATH to ONT mean?

    This is defined as Athens Eleftherios V. Airport (ATH) and Ontario Airport (ONT). Codes like Ontario Airport are often used to just call airports uniquely. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Heraklion N. Kazantzakis Apt. Airport (HER), Thessaloniki Makedonia Airport (SKG), Thera Santorini Airport (JTR), Corfu Ioannis Kapodistrias Airport (CFU), Rhodes Diagoras Airport (RHO).

  • Can I find deals for flights from Greece to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Greece to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Greece to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Greece to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Greece to Ontario that allow pets onboard?

    Many airlines flying from Greece to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Greece to Ontario?

    Yes, you can often find last-minute deals on Greece to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Greece to Ontario flight deals updated?

    The Greece to Ontario flight deals you see on this page were last updated on 5/15.

See more FAQs

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Search flights from Greece to Ontario by cabin class

Find flights from Greece to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Greece to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Greece to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Greece to Ontario?

Cheapflights helps you find that perfect flight to Ontario from Greece by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Greece to Ontario with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Greece to Ontario, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Greece to Ontario become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ontario from Greece today and book when prices fit your budget.

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