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Cheap flights from Greece to Ontario (ONT) from $566

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 7/10. 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
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
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.

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.

Cheap United Airlines flights from Greece to Ontario

Explore cheap flight options specifically provided by United Airlines 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 2,807,690 searches. Data last updated June 2, 2024.
Take a look at some of the lowest-priced United Airlines flights heading from Greece to Ontario. Be sure to come back soon if the deals available don't appeal to you at this time.
Tue 7/26:55 amATH - ONT
2 stops25h 50mUnited Airlines
Tue 7/95:10 amONT - ATH
2 stops18h 50mUnited Airlines
Deal found 6/2$979
Sun 7/1410:25 amATH - ONT
2 stops20h 46mUnited Airlines
Sat 8/171:45 pmONT - ATH
3 stops34h 10mUnited Airlines
Deal found 6/2$1,455

Cheap Air Serbia flights from Greece to Ontario

Explore cheap flight options specifically provided by Air Serbia 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 2,807,690 searches. Data last updated June 2, 2024.
Some of the best deals we've found on Air Serbia flights traveling from Greece to Ontario. Check back soon if you're not seeing flights that suit your needs.
Mon 9/164:30 amATH - ONT
2 stops27h 51mAir Serbia
Mon 9/2311:36 pmONT - ATH
2 stops41h 39mAir Serbia
Deal found 6/2$1,065
Fri 6/144:20 amATH - ONT
2 stops28h 18mAir Serbia
Sun 7/1411:59 pmONT - ATH
2 stops41h 16mAir Serbia
Deal found 6/2$1,254
Thu 8/18:25 amATH - ONT
2 stops24h 07mAir Serbia
Sun 9/811:36 pmONT - ATH
2 stops41h 39mAir Serbia
Deal found 6/2$1,430
Mon 7/14:30 amATH - ONT
2 stops28h 08mAir Serbia
Mon 7/811:59 pmONT - ATH
2 stops31h 16mAir Serbia
Deal found 6/2$1,594

Cheap Greece to Ontario flights in June & July 2024

Find cheap flight options from Greece to Ontario specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,807,690 searches. Prices were last updated on June 2, 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.
Mon 6/1011:40 amATH - ONT
2 stops20h 00mAmerican Airlines
Mon 6/246:00 amONT - ATH
2 stops19h 05mAmerican Airlines
Deal found 6/2$957
Wed 6/512:30 pmATH - ONT
2 stops20h 29mAmerican Airlines
Thu 6/136:00 amONT - ATH
2 stops19h 05mAmerican Airlines
Deal found 6/2$995
Tue 6/41:20 pmATH - ONT
2 stops20h 35mAmerican Airlines
Fri 6/76:00 amONT - ATH
2 stops19h 05mAmerican Airlines
Deal found 6/2$1,038
Mon 6/2412:55 pmATH - ONT
1 stop20h 05mDelta
Mon 7/86:50 amONT - ATH
1 stop17h 50mDelta
Deal found 6/2$1,179
Fri 6/144:20 amATH - ONT
2 stops28h 18mAir Serbia
Sun 7/1411:59 pmONT - ATH
2 stops41h 16mAir Serbia
Deal found 6/2$1,254
Wed 6/512:30 pmATH - ONT
1 stop19h 39mMultiple Airlines
Thu 6/1311:59 pmONT - ATH
1 stop24h 26mMultiple Airlines
Deal found 6/2$1,309
Tue 6/1112:30 pmATH - ONT
1 stop19h 39mMultiple Airlines
Wed 6/1211:59 pmONT - ATH
1 stop24h 26mMultiple Airlines
Deal found 6/2$1,696
Sat 6/1512:55 pmATH - ONT
1 stop20h 05mDelta
Mon 7/17:05 amONT - ATH
1 stop17h 35mDelta
Deal found 6/2$2,231
Sun 6/1612:55 pmATH - ONT
1 stop20h 05mDelta
Mon 7/17:05 amONT - ATH
1 stop17h 35mDelta
Deal found 6/2$2,484

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 2,807,690 searches. Data last updated June 2, 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.
Wed 7/37:15 pmATH - ONT
2 stops33h 42mBritish Airways
Sat 7/2712:43 pmONT - ATH
2 stops27h 22mBritish Airways
Deal found 6/2$849
Mon 6/1011:40 amATH - ONT
2 stops20h 00mAmerican Airlines
Mon 6/246:00 amONT - ATH
2 stops19h 05mAmerican Airlines
Deal found 6/2$957
Tue 7/26:55 amATH - ONT
2 stops25h 50mUnited Airlines
Tue 7/95:10 amONT - ATH
2 stops18h 50mUnited Airlines
Deal found 6/2$979
Wed 6/512:30 pmATH - ONT
2 stops20h 29mAmerican Airlines
Thu 6/136:00 amONT - ATH
2 stops19h 05mAmerican Airlines
Deal found 6/2$995
Tue 6/41:20 pmATH - ONT
2 stops20h 35mAmerican Airlines
Fri 6/76:00 amONT - ATH
2 stops19h 05mAmerican Airlines
Deal found 6/2$1,038
Mon 9/164:30 amATH - ONT
2 stops27h 51mAir Serbia
Mon 9/2311:36 pmONT - ATH
2 stops41h 39mAir Serbia
Deal found 6/2$1,065
Mon 6/2412:55 pmATH - ONT
1 stop20h 05mDelta
Mon 7/86:50 amONT - ATH
1 stop17h 50mDelta
Deal found 6/2$1,179
Fri 6/144:20 amATH - ONT
2 stops28h 18mAir Serbia
Sun 7/1411:59 pmONT - ATH
2 stops41h 16mAir Serbia
Deal found 6/2$1,254
Wed 6/512:30 pmATH - ONT
1 stop19h 39mMultiple Airlines
Thu 6/1311:59 pmONT - ATH
1 stop24h 26mMultiple Airlines
Deal found 6/2$1,309

Greece to Ontario flights leaving soon

Find last-minute flight options from Greece to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,807,690 searches. Data last updated June 2, 2024.
Consider one of these great deals we found on last-minute flights from Greece to Ontario. Tip: verify your flight details before completing your reservation.
Mon 6/1011:40 amATH - ONT
2 stops20h 00mAmerican Airlines
Mon 6/246:00 amONT - ATH
2 stops19h 05mAmerican Airlines
Deal found 6/2$957
Tue 6/1112:30 pmATH - ONT
1 stop19h 39mMultiple Airlines
Wed 6/1211:59 pmONT - ATH
1 stop24h 26mMultiple Airlines
Deal found 6/2$1,696
Mon 6/1012:30 pmATH - ONT
1 stop19h 39mMultiple Airlines
Mon 6/2411:59 pmONT - ATH
1 stop24h 26mMultiple Airlines
Deal found 6/2$2,898

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 2,807,690 searches. Data last updated June 2, 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.
Wed 7/1010:50 amATH - ONT
3 stops54h 22mMultiple Airlines
Deal found 6/2$566
Mon 7/812:40 pmATH - ONT
2 stops52h 27mMultiple Airlines
Deal found 6/2$620
Tue 7/99:50 amATH - ONT
3 stops47h 49mMultiple Airlines
Deal found 6/2$621
Tue 7/96:30 amATH - ONT
2 stops34h 37mMultiple Airlines
Deal found 6/2$623
Wed 7/1010:50 amATH - ONT
2 stops54h 22mMultiple Airlines
Deal found 6/2$626
Thu 7/116:30 amATH - ONT
2 stops42h 42mMultiple Airlines
Deal found 6/2$634
Mon 7/810:30 pmATH - ONT
3 stops35h 29mMultiple Airlines
Deal found 6/2$665
Thu 7/44:30 amATH - ONT
2 stops28h 08mAir Serbia
Deal found 6/2$672
Fri 7/1210:20 amATH - ONT
3 stops47h 36mMultiple Airlines
Deal found 6/2$674

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 2,807,690 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$849 - $2,785

Route

Depart

Return

Price

Athens Eleftherios V.Ontario

ATH - ONT

ATHONT

Athens Eleftherios V.

Wed 7/3

2 stops33h 42m

Ontario

Sat 7/27

2 stops27h 22m

$849

Athens Eleftherios V.Ontario

ATH - ONT

ATHONT

Athens Eleftherios V.

Tue 7/2

2 stops25h 50m

Ontario

Tue 7/9

2 stops18h 50m

$979

Athens Eleftherios V.Ontario

ATH - ONT

ATHONT

Athens Eleftherios V.

Mon 9/16

2 stops27h 51m

Ontario

Mon 9/23

2 stops41h 39m

$1,065

Athens Eleftherios V.Ontario

ATH - ONT

ATHONT

Athens Eleftherios V.

Mon 6/24

1 stop20h 05m

Ontario

Mon 7/8

1 stop17h 50m

$1,179

Athens Eleftherios V.Ontario

ATH - ONT

ATHONT

Athens Eleftherios V.

Fri 6/14

2 stops28h 18m

Ontario

Sun 7/14

2 stops41h 16m

$1,254

Athens Eleftherios V.Ontario

ATH - ONT

ATHONT

Athens Eleftherios V.

Thu 8/1

2 stops24h 07m

Ontario

Sun 9/8

2 stops41h 39m

$1,430

Athens Eleftherios V.Ontario

ATH - ONT

ATHONT

Athens Eleftherios V.

Sun 7/14

2 stops20h 46m

Ontario

Sat 8/17

3 stops34h 10m

$1,455

Athens Eleftherios V.Ontario

ATH - ONT

ATHONT

Athens Eleftherios V.

Sun 8/25

1 stop19h 57m

Ontario

Thu 8/29

1 stop17h 55m

$2,051

Athens Eleftherios V.Ontario

ATH - ONT

ATHONT

Athens Eleftherios V.

Wed 7/3

1 stop20h 08m

Ontario

Sat 7/27

1 stop23h 28m

$2,785

Flights are sorted by cheapest first

Deals found on 6/2

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

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.

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 June 2, 2024.
See what other customers who have flown with United Airlines, Air Serbia and Delta 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
10,402 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

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
10,402 reviews
Delta
8.0
Very good
10,402 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

KLM
7.9
Good
1,507 reviews
Delta
8.0
Very good
10,402 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

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
4,324 reviews
Delta
8.0
Very good
10,402 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

Air France
7.5
Good
1,728 reviews
Delta
8.0
Very good
10,402 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
10,755 reviews
Delta
8.0
Very good
10,402 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Overall

8.0

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 $849, but on average you can expect to pay $2,045.

  • Are there last-minute flights available from Greece to Ontario for under $1,000?

    There are currently 3+ open flights from Greece to Ontario within the next 7 days for less than $1,000.

  • 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 ($672), Qatar Airways ($723), and British Airways ($814).

  • 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 6/2.

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

    Currently, October is the cheapest month in which you can book a flight from Greece to Ontario (average of $238). Flying from Greece to Ontario in July is currently the most expensive (average of $328). 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

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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.
First Class
Business Class
Prem Econ Class
Economy 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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