HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Athens

$440+ Cheap flights from Ontario (ONT) to Athens (ATH)

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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ATH
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Athens with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Athens

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Athens (ATH). 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 20, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

June

Cheapest in

January

Round-trip from

$608
(American Airlines)

One-way from

$440
(British Airways)
Provider with most accurate pricing for Ontario-Athens Eleftherios V. flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Athens Eleftherios V. flights.
Search Deals
High demand for flights, 32% potential price rise
Search Deals
Best time to find cheap flights, 39% potential price drop
Search Deals
From Ontario to Athens Eleftherios V.
Search Deals
One-way flight from Ontario to Athens Eleftherios V.
Search Deals

Find flight deals from Ontario to Athens

Cheapest flights from Ontario to Athens
Explore the most affordable flight options available from Ontario to Athens. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This United Airlines deal was found by Cheapflights users on 11/18. 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.
Tue 11/196:10 amONT - ATH
2 stops18h 00mUnited Airlines
Sun 12/87:00 amATH - ONT
2 stops20h 43mUnited Airlines
Deal found 11/18$636
This Air France deal was found by Cheapflights users on 11/19. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/36:00 amONT - ATH
2 stops21h 45mAir France
Mon 12/93:25 amATH - ONT
2 stops26h 20mAir France
Deal found 11/19$654
This United deal was found by Cheapflights users on 11/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/35:05 amONT - ATH
2 stops25h 20mMultiple Airlines
Tue 12/106:35 amATH - ONT
3 stops27h 23mMultiple Airlines
Deal found 11/19$728
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 11/2510:43 amONT - ATH
2 stops26h 27mBritish Airways
Mon 12/27:35 pmATH - ONT
2 stops32h 58mBritish Airways
Deal found 11/20$742
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1310:41 amONT - ATH
2 stops18h 34mIberia
Sat 1/188:15 pmATH - ONT
2 stops36h 01mIberia
Deal found 11/19$1,138
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2411:53 amONT - ATH
2 stops18h 42mDelta
Mon 12/23:25 amATH - ONT
2 stops23h 20mDelta
Deal found 11/19$1,607
This KLM deal was found by Cheapflights users on 11/19. 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 amONT - ATH
2 stops17h 55mKLM
Sat 11/306:00 amATH - ONT
2 stops20h 45mKLM
Deal found 11/19$3,498

Find flights from Ontario to Athens within your budget

Customize your flight search to find flights from Ontario to Athens 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 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioAthens

ONT - ATH

ONTATH

Ontario

Wed 2/5

7:00 am-6:35 pm

2 stops25h 35m

Athens Eleftherios V.

Tue 2/18

7:45 am-10:00 pm

2 stops24h 15m

$608

OntarioAthens

ONT - ATH

ONTATH

Ontario

Tue 2/18

10:36 am-4:25 pm

2 stops19h 49m

Athens Eleftherios V.

Tue 3/4

7:05 am-8:40 pm

2 stops23h 35m

$618

OntarioAthens

ONT - ATH

ONTATH

Ontario

Sat 3/1

6:00 am-1:45 pm

2 stops21h 45m

Athens Eleftherios V.

Fri 3/7

3:25 am-3:25 pm

2 stops22h 00m

$630

OntarioAthens

ONT - ATH

ONTATH

Ontario

Tue 12/3

6:00 am-1:45 pm

2 stops21h 45m

Athens Eleftherios V.

Mon 12/9

3:25 am-7:45 pm

2 stops26h 20m

$654

OntarioAthens

ONT - ATH

ONTATH

Ontario

Tue 12/3

5:05 am-4:25 pm

2 stops25h 20m

Athens Eleftherios V.

Tue 12/10

6:35 am-11:58 pm

3 stops27h 23m

$728

OntarioAthens

ONT - ATH

ONTATH

Ontario

Wed 2/5

5:10 am-1:30 pm

3 stops22h 20m

Athens Eleftherios V.

Tue 2/18

6:35 am-8:55 pm

3 stops24h 20m

$789

OntarioAthens

ONT - ATH

ONTATH

Ontario

Sat 1/11

7:00 am-3:15 pm

2 stops22h 15m

Athens Eleftherios V.

Sat 1/25

8:15 pm-10:16 pm

2 stops36h 01m

$864

OntarioAthens

ONT - ATH

ONTATH

Ontario

Tue 4/8

7:00 am-10:50 am

1 stop17h 50m

Athens Eleftherios V.

Sun 4/20

10:30 am-10:41 pm

1 stop22h 11m

$883

OntarioAthens

ONT - ATH

ONTATH

Ontario

Wed 12/11

10:42 am-3:05 pm

2 stops18h 23m

Athens Eleftherios V.

Wed 12/25

7:45 am-10:28 pm

2 stops24h 43m

$965

OntarioAthens

ONT - ATH

ONTATH

Ontario

Mon 12/30

12:36 pm-6:55 pm

2 stops20h 19m

$440

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 17 results
1
2

Compare providers for flights from Ontario to Athens

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Athens in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Athens flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Ontario-Athens flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Ontario-Athens flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Athens flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Athens flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Athens

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

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

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

Currently, December is the cheapest month in which you can book a flight from Ontario to Athens (average of $585). Flying from Ontario to Athens in June is currently the most expensive (average of $1,427). 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.

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

Find hourly flight availability from Ontario to Athens. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

When flying from Ontario to Athens, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 23% versus a flight at noon.

What is the cheapest day to fly from Ontario to Athens?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Athens. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Ontario to Athens flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Athens by month

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

In terms of precipitation, rainfall in Athens ranges from 0.2 - 2.5 inches per month. December is typically the wettest month, when rainfall can reach 2.5 in. June is typically the driest time to visit Athens when rainfall is around 0.2 in.

Temperature in Athens by month

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

If weather is an important factor for your trip to Athens, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Athens

Get insights into the airlines that provide service to Athens. 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 Athens. Reviews last updated November 20, 2024.
Peruse reviews from past customers who have flown with United Airlines, Delta and British Airways from Ontario to Athens to help guide your decision. 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
8,756 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,756 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,523 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,171 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,756 reviews

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Athens. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to Athens round-trip?

    According to our current data, American Airlines ($608), United Airlines ($618), and Delta ($630) offers the cheapest pricing from Ontario to Athens. American Airlines is priced at 34% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $440 on British Airways. Other airlines that offer cheap prices include United Airlines from $454 and Iberia from $498 one-way.

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

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

  • How can I find direct flights from Ontario to Athens?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Athens 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 Ontario to Athens?

    Currently, December is the cheapest month in which you can book a flight from Ontario to Athens (average of $585). Flying from Ontario to Athens in June is currently the most expensive (average of $1,427). 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

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.

Top 5 airlines flying from Ontario to Athens

Discover the top 5 airlines that operate flights from Ontario to Athens. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$552Average$902FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$564Average$940FlexibilityNo cancel feeOn-time69%
DeltaCheapest$584Average$812FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$602Average$865FlexibilityNo cancel feeOn-time70%
KLMCheapest$618Average$1,225FlexibilityNo cancel feeOn-time75%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines