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$760+ Cheap flights from Athens (ATH) to Ontario (ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ONT
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from Athens to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Athens (ATH) 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 December 22, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$760
(Tripair)
Provider with most accurate pricing for Athens Eleftherios V.-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Athens Eleftherios V.-Ontario flights.
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From Athens Eleftherios V. to Ontario
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Find flight deals from Athens to Ontario

Cheapest flights from Athens to Ontario
Explore the most affordable flight options available from Athens to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This Tripair deal was found by Cheapflights users on 12/21. 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 Tripair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/222:55 pmATH - ONT
2 stops36h 59mBritish Airways
Sun 1/192:44 pmONT - ATH
2 stops46h 26mBritish Airways
Deal found 12/21$1,299
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Sun 12/2212:50 pmATH - ONT
2 stops39h 03mUnited Airlines
Sat 1/410:39 amONT - ATH
2 stops19h 46mUnited Airlines
Deal found 12/21$1,392
This Lufthansa deal was found by Cheapflights users on 12/21. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/227:05 amATH - ONT
2 stops25h 55mMultiple Airlines
Sat 1/45:05 amONT - ATH
3 stops22h 20mMultiple Airlines
Deal found 12/21$2,007
This Qatar Airways deal was found by Cheapflights users on 12/21. 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.
Mon 12/236:50 pmATH - ONT
2 stops33h 43mQatar Airways
Mon 1/611:33 amONT - ATH
2 stops38h 12mQatar Airways
Deal found 12/21$3,278
This Delta deal was found by Cheapflights users on 12/21. 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.
Sat 12/213:25 amATH - ONT
2 stops24h 02mDelta
Sat 1/46:52 amONT - ATH
2 stops20h 53mDelta
Deal found 12/21$3,746

Find flights from Athens to Ontario within your budget

Customize your flight search to find flights from Athens 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 2,558,603 searches. Data last updated December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Mon 1/27

7:35 pm-6:37 pm

2 stops33h 02m

Ontario

Mon 2/10

3:04 pm-1:45 pm

2 stops36h 41m

$760

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Thu 4/3

10:30 am-10:39 pm

1 stop22h 09m

Ontario

Thu 4/24

7:00 am-10:55 am

1 stop17h 55m

$834

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Sat 1/25

7:00 am-6:19 pm

2 stops21h 19m

Ontario

Sat 2/1

10:47 am-6:05 pm

2 stops21h 18m

$870

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Tue 1/7

7:45 am-10:45 pm

2 stops25h 00m

Ontario

Wed 2/19

10:51 am-3:15 pm

2 stops18h 24m

$4,505

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Wed 3/26

7:55 pm-10:01 pm

2 stops35h 06m

$810

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Sun 5/25

12:20 pm-10:41 pm

1 stop20h 21m

$820

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Fri 4/25

3:40 am-10:00 pm

2 stops28h 20m

$1,111

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Thu 12/26

6:00 pm-4:50 pm

3 stops32h 50m

$1,492

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Mon 1/6

3:25 am-4:28 pm

2 stops23h 03m

$1,782

AthensOntario

ATH - ONT

ATHONT

Athens Eleftherios V.

Wed 1/1

8:20 am-10:29 pm

2 stops24h 09m

$1,945

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 11 results
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Compare providers for flights from Athens to Ontario

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 Athens to Ontario in December.
ProviderPrice AccuracyTrust Score*
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 Athens-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Athens-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Athens-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Athens-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub 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 Athens-Ontario 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 Athens to Ontario

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

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

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

Currently, August is the cheapest month in which you can book a flight from Athens to Ontario (average of $246). Flying from Athens to Ontario in March is currently the most expensive (average of $317). 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 December 22, 2024.
Delta
8.0
Very good
8,597 reviews

Crew

8.6

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

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
8,597 reviews
Delta
8.0
Very good
8,597 reviews

Crew

8.6

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

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
1,342 reviews
Delta
8.0
Very good
8,597 reviews

Crew

8.6

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

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
9,035 reviews
Delta
8.0
Very good
8,597 reviews

Crew

8.6

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Iberia
7.0
Good
2,652 reviews
Delta
8.0
Very good
8,597 reviews

Crew

8.6

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Lufthansa
6.8
Okay
7,080 reviews
Delta
8.0
Very good
8,597 reviews

Crew

8.6

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

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 Athens to Ontario. 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 to fly from Athens to Ontario one-way?

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $810. KLM flights start at $820 while deals on Iberia start at $1,111 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Athens to Ontario (average of $246). Flying from Athens to Ontario in March is currently the most expensive (average of $317). 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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