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Cheap flights from Ontario (ONT) to Greece from $555

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 7/21. 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.
ONT — ATH
May 9 — May 161
From?
To?
Thu 5/9
Thu 5/16
1 adult, Economy
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How far in advance should I book a flight from Ontario to Greece?

To save up to 17% on this flight, we recommend booking at least 29 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 $763 1-2 weeks out and tickets from $874 for flights departing within the next 72 hours.

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

January can be a great time to fly to Greece from Ontario with a flight ticket averaging about $919. Cheapflights users have found deals in the month of January for as cheap as $480. The most expensive prices can be found in the month of June.

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

Cheap British Airways flights from Ontario to Greece

Explore cheap flight options specifically provided by British Airways for the route between Ontario and Greece. 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 2,864,334 searches. Data last updated May 4, 2024.
Consider these cheap British Airways flights we've found departing from Ontario to Greece. It's recommended that users confirm their flight details before booking.
Wed 10/3012:51 pmONT - ATH
2 stops21h 09mBritish Airways
Wed 11/138:00 pmATH - ONT
2 stops31h 48mBritish Airways
Deal found 5/2$624
Sat 9/282:52 pmONT - ATH
2 stops25h 13mBritish Airways
Tue 10/88:00 pmATH - ONT
2 stops35h 42mBritish Airways
Deal found 5/3$734
Tue 10/12:52 pmONT - ATH
2 stops25h 18mBritish Airways
Tue 10/88:00 pmATH - ONT
2 stops35h 42mBritish Airways
Deal found 5/3$779
Thu 9/262:52 pmONT - ATH
2 stops24h 03mBritish Airways
Mon 10/78:45 pmATH - ONT
2 stops30h 48mBritish Airways
Deal found 5/3$815
Thu 10/32:52 pmONT - ATH
2 stops24h 03mBritish Airways
Thu 10/175:45 pmATH - ONT
2 stops33h 48mBritish Airways
Deal found 5/3$884
Fri 8/1612:46 pmONT - ATH
2 stops37h 39mBritish Airways
Mon 8/268:45 pmATH - ONT
2 stops55h 42mBritish Airways
Deal found 5/3$897
Fri 9/2712:45 pmONT - ATH
2 stops20h 55mBritish Airways
Thu 10/37:50 pmATH - ONT
2 stops31h 43mBritish Airways
Deal found 5/3$910
Mon 9/306:32 amONT - ATH
2 stops26h 38mBritish Airways
Sun 10/63:20 pmATH - ONT
2 stops40h 22mBritish Airways
Deal found 5/3$929
Sat 8/312:39 pmONT - ATH
2 stops25h 26mBritish Airways
Tue 9/108:00 pmATH - ONT
2 stops35h 42mBritish Airways
Deal found 5/3$998

Cheap Delta flights from Ontario to Greece

Explore cheap flight options specifically provided by Delta for the route between Ontario and Greece. 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 2,864,334 searches. Data last updated May 4, 2024.
To aid your search, here are some of the cheapest Delta flights we've found from Ontario to Greece. Deals are refreshing constantly so come back soon for more options.
Tue 10/110:59 pmONT - ATH
1 stop25h 46mDelta
Tue 10/86:30 amATH - ONT
2 stops27h 21mDelta
Deal found 5/3$819
Thu 10/310:59 pmONT - ATH
1 stop25h 46mDelta
Thu 10/176:30 amATH - ONT
2 stops21h 33mDelta
Deal found 5/3$1,053
Fri 5/1710:00 pmONT - ATH
2 stops24h 20mDelta
Thu 5/3011:35 amATH - ONT
2 stops21h 12mDelta
Deal found 5/3$1,229
Fri 8/1610:59 pmONT - ATH
1 stop25h 46mDelta
Mon 8/261:00 pmATH - ONT
1 stop32h 10mDelta
Deal found 5/3$1,270
Tue 5/146:00 amONT - ATH
1 stop18h 40mDelta
Tue 5/286:30 amATH - ONT
2 stops20h 06mDelta
Deal found 5/3$1,577

Cheap Ontario to Greece flights in May & June 2024

Find cheap flight options from Ontario to Greece specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,864,334 searches. Prices were last updated on May 4, 2024.
Scroll through some of the best deals on flights from Ontario to Greece in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Fri 5/36:00 amONT - ATH
2 stops22h 20mAmerican Airlines
Fri 5/1011:35 amATH - ONT
2 stops22h 21mAmerican Airlines
Deal found 5/3$998
Thu 5/96:00 amONT - ATH
2 stops18h 25mAmerican Airlines
Sun 5/1211:35 amATH - ONT
2 stops22h 21mAmerican Airlines
Deal found 5/3$1,000
Thu 5/96:00 amONT - ATH
1 stop18h 40mKLM
Sun 5/1212:55 pmATH - ONT
1 stop19h 52mKLM
Deal found 5/3$1,040
Sat 5/186:00 amONT - ATH
2 stops18h 55mMultiple Airlines
Fri 5/311:10 pmATH - ONT
2 stops33h 23mMultiple Airlines
Deal found 5/3$1,042
Sat 5/1810:42 amONT - ATH
2 stops37h 18mMultiple Airlines
Thu 5/309:00 amATH - ONT
2 stops21h 48mMultiple Airlines
Deal found 5/3$1,055
Sat 5/116:00 amONT - ATH
2 stops19h 10mAmerican Airlines
Sat 5/188:20 amATH - ONT
2 stops21h 48mAmerican Airlines
Deal found 5/3$1,064
Fri 5/1710:34 amONT - ATH
2 stops23h 06mBritish Airways
Tue 5/288:10 amATH - ONT
2 stops25h 46mBritish Airways
Deal found 5/3$1,077
Sat 5/1810:42 amONT - ATH
2 stops37h 18mMultiple Airlines
Mon 5/2712:10 pmATH - ONT
2 stops20h 19mMultiple Airlines
Deal found 5/3$1,100
Fri 5/1712:50 pmONT - ATH
2 stops20h 50mBritish Airways
Sat 6/18:20 amATH - ONT
2 stops25h 36mBritish Airways
Deal found 5/3$1,127

Ontario to Greece 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Greece in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 4, 2024.
Scroll through some of the best deals on flights from Ontario to Greece in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 11/2010:40 amONT - ATH
2 stops19h 40mUnited Airlines
Sun 12/86:40 amATH - ONT
2 stops24h 41mUnited Airlines
Deal found 5/2$614
Wed 10/3012:51 pmONT - ATH
2 stops21h 09mBritish Airways
Wed 11/138:00 pmATH - ONT
2 stops31h 48mBritish Airways
Deal found 5/2$624
Wed 11/2012:51 pmONT - ATH
2 stops20h 09mBritish Airways
Sat 12/78:00 amATH - ONT
2 stops23h 43mBritish Airways
Deal found 5/2$646
Tue 11/196:34 amONT - ATH
2 stops21h 01mBritish Airways
Thu 11/288:00 pmATH - ONT
2 stops31h 52mBritish Airways
Deal found 5/2$675
Wed 11/2012:51 pmONT - ATH
2 stops20h 09mBritish Airways
Thu 11/288:00 pmATH - ONT
2 stops31h 52mBritish Airways
Deal found 5/2$725
Sat 9/282:52 pmONT - ATH
2 stops25h 13mBritish Airways
Tue 10/88:00 pmATH - ONT
2 stops35h 42mBritish Airways
Deal found 5/3$734
Tue 10/12:52 pmONT - ATH
2 stops25h 18mBritish Airways
Tue 10/88:00 pmATH - ONT
2 stops35h 42mBritish Airways
Deal found 5/3$779
Thu 9/262:52 pmONT - ATH
2 stops24h 03mBritish Airways
Mon 10/78:45 pmATH - ONT
2 stops30h 48mBritish Airways
Deal found 5/3$815
Tue 10/110:59 pmONT - ATH
1 stop25h 46mDelta
Tue 10/86:30 amATH - ONT
2 stops27h 21mDelta
Deal found 5/3$819

Ontario to Greece flights leaving soon

Find last-minute flight options from Ontario to Greece 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 2,864,334 searches. Data last updated May 4, 2024.
Users seeking a last-minute flight from Ontario to Greece should consider booking one of these fares. Users should examine the flight details to ensure there are no surprises.
Thu 5/96:00 amONT - ATH
2 stops18h 25mAmerican Airlines
Sun 5/1211:35 amATH - ONT
2 stops22h 21mAmerican Airlines
Deal found 5/3$1,000
Thu 5/96:00 amONT - ATH
1 stop18h 40mKLM
Sun 5/1212:55 pmATH - ONT
1 stop19h 52mKLM
Deal found 5/3$1,040
Sat 5/116:00 amONT - ATH
2 stops19h 10mAmerican Airlines
Sat 5/188:20 amATH - ONT
2 stops21h 48mAmerican Airlines
Deal found 5/3$1,064
Fri 5/102:50 pmONT - ATH
2 stops18h 50mBritish Airways
Mon 5/138:20 amATH - ONT
2 stops21h 48mBritish Airways
Deal found 5/3$1,190
Fri 5/106:00 amONT - ATH
1 stop18h 40mKLM
Mon 5/1312:55 pmATH - ONT
1 stop19h 52mKLM
Deal found 5/3$1,307
Sun 5/126:00 amONT - ATH
2 stops28h 20mMultiple Airlines
Thu 5/303:55 amATH - ONT
2 stops30h 03mMultiple Airlines
Deal found 5/3$1,349
Sun 5/125:15 amONT - ATH
2 stops19h 40mMultiple Airlines
Tue 5/2812:10 pmATH - ONT
2 stops20h 19mMultiple Airlines
Deal found 5/3$1,403
Tue 5/1412:53 pmONT - ATH
2 stops19h 27mBritish Airways
Wed 5/298:00 pmATH - ONT
2 stops32h 22mBritish Airways
Deal found 5/3$1,411
Sun 5/125:15 amONT - ATH
2 stops19h 40mMultiple Airlines
Sat 6/112:10 pmATH - ONT
2 stops20h 17mMultiple Airlines
Deal found 5/3$1,453

One-way flights to Greece from Ontario

Search for one-way flight options from Ontario to Greece. 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 2,864,334 searches. Data last updated May 4, 2024.
Some of the best available deals we've found on one-way flights from Ontario to Greece. Users needing a return flight from Ontario to Greece should utilize the search form above.
Sun 7/217:00 amONT - ATH
1 stop17h 40mKLM
Deal found 5/3$555
Sat 7/271:45 pmONT - ATH
3 stops34h 10mUnited Airlines
Deal found 5/2$561
Thu 10/106:35 pmONT - ATH
2 stops29h 25mUnited Airlines
Deal found 5/3$567
Sun 7/285:00 pmONT - SKG
2 stops17h 50mKLM
Deal found 5/3$584
Thu 7/2512:43 pmONT - ATH
2 stops38h 32mIberia
Deal found 5/2$686
Tue 9/311:45 pmONT - ATH
2 stops29h 50mAir Serbia
Deal found 5/2$711
Sun 9/811:49 pmONT - ATH
2 stops41h 26mAir Serbia
Deal found 5/3$712
Wed 10/161:55 pmONT - ATH
2 stops34h 00mUnited Airlines
Deal found 5/3$720
Fri 10/47:00 amONT - ATH
1 stop17h 45mKLM
Deal found 5/3$725

Find flights from Ontario to Greece within your budget

Customize your flight search to find flights from Ontario to Greece 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 2,864,334 searches. Data last updated May 4, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$624 - $1,324

Route

Depart

Return

Price

OntarioAthens Eleftherios V.

ONT - ATH

ONTATH

Ontario

Wed 10/30

2 stops21h 09m

Athens Eleftherios V.

Wed 11/13

2 stops31h 48m

$624

OntarioAthens Eleftherios V.

ONT - ATH

ONTATH

Ontario

Tue 10/1

1 stop25h 46m

Athens Eleftherios V.

Tue 10/8

2 stops27h 21m

$819

OntarioAthens Eleftherios V.

ONT - ATH

ONTATH

Ontario

Thu 10/3

2 stops20h 47m

Athens Eleftherios V.

Thu 10/17

2 stops26h 01m

$826

OntarioAthens Eleftherios V.

ONT - ATH

ONTATH

Ontario

Fri 8/16

1 stop25h 46m

Athens Eleftherios V.

Mon 8/26

2 stops33h 40m

$881

OntarioAthens Eleftherios V.

ONT - ATH

ONTATH

Ontario

Wed 8/14

2 stops18h 40m

Athens Eleftherios V.

Wed 8/21

2 stops22h 35m

$899

OntarioAthens Eleftherios V.

ONT - ATH

ONTATH

Ontario

Mon 9/30

2 stops29h 10m

Athens Eleftherios V.

Mon 10/14

2 stops36h 14m

$951

OntarioAthens Eleftherios V.

ONT - ATH

ONTATH

Ontario

Sat 5/18

2 stops18h 55m

Athens Eleftherios V.

Fri 5/31

2 stops33h 23m

$1,042

OntarioAthens Eleftherios V.

ONT - ATH

ONTATH

Ontario

Sun 9/1

2 stops41h 30m

Athens Eleftherios V.

Thu 9/12

2 stops27h 57m

$1,216

OntarioAthens Eleftherios V.

ONT - ATH

ONTATH

Ontario

Sat 9/28

2 stops26h 54m

Athens Eleftherios V.

Mon 10/7

2 stops41h 31m

$1,324

Flights are sorted by cheapest first

Deals found on 5/2

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

Reviews of airlines servicing Greece

Get insights into the airlines that provide service to Greece. 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 Greece. Reviews last updated May 4, 2024.
Peruse reviews from past customers who have flown with British Airways, Delta and United Airlines 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
8.1
Very good
10,848 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Delta
8.1
Very good
10,848 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

KLM
7.9
Good
1,604 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Turkish Airlines
7.5
Good
3,709 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

United Airlines
7.4
Good
11,134 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

American Airlines
7.3
Good
14,755 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Overall

8.1

Boarding

8.2

Comfort

7.9

Crew

8.6

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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?

    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 flights from Ontario to Greece for under $700 on Cheapflights?

    Yes, there are multiple flights from Ontario to Greece for under $700. The cheapest flight booked recently is on British Airways for just $624, but on average you can expect to pay $890.

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

    There are currently 20+ open flights from Ontario to Greece within the next 7 days for less than $1,000.

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

    $555 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on United Airlines and Iberia, with prices starting from $561 and $686, 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.

  • What does ONT to ATH mean?

    Great question - ONT to ATH just means Ontario Airport to Athens Eleftherios V. Airport. Now you’ll know what these unique codes when you look for flights! Heraklion N. Kazantzakis Apt. Airport (HER), Thessaloniki Makedonia Airport (SKG), Thera Santorini Airport (JTR), Corfu Ioannis Kapodistrias Airport (CFU), Rhodes Diagoras Airport (RHO) are some additional IATA codes for airports related to your trip.

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

    The amount of baggage you can bring on your Ontario to Greece 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 Ontario to Greece with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Greece 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 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.

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

    Many airlines flying from Ontario to Greece 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 Ontario to Greece?

    Yes, you can often find last-minute deals on Ontario to Greece 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 Ontario to Greece flight deals updated?

    The Ontario to Greece flight deals you see on this page were last updated on 5/3.

See more FAQs

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Top 5 airlines flying from Ontario to Greece

Discover the top 5 airlines that operate flights from Ontario to Greece. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$559Average$860FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$562Average$648FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest$652Average$749FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest$666Average$1,184FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
KLMCheapest$751Average$928FlexibilityNo cancel feeOn-time75%
Search KLM flights
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Search flights from Ontario to Greece by cabin class

Find flights from Ontario to Greece, 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 Ontario to Greece?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Greece from Ontario today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Ontario to Greece by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes! Cheapflights helps users easily find flights from Ontario to Greece with no change fees.

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

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

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