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Cheap flights from Ontario (ONT) to Athens (ATH) from $409

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 9/30. 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 4 — May 111
From?
To?
Sat 5/4
Sat 5/11
1 adult, Economy
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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 April 29, 2024.

Popular in

June

Cheapest in

January

Average price

$749

Round-trip from

$613
High demand for flights, 49% potential price rise
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Best time to find cheap flights, 46% potential price drop
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Average for round-trip flights in April 2024
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From Ontario to Athens Eleftherios V.
Search Deals

What is the cheapest day to fly round-trip from Ontario to Athens?

Users have found that flying from Ontario to Athens on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Ontario to Athens?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 29 days in advance, which can save you up to 17% on flights from Ontario to Athens compared to booking the week you need them. Waiting 29 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $763. For sooner than that we have options available in the next 3 days from $874.

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

Our data shows that January tends to be the cheapest month to fly to Athens from Ontario. Users have commonly found prices around $919 for the month, but tickets can be as low as $480. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Ontario to Athens (ONT - ATH)?

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 40% versus a flight at noon.

Cheap United Airlines flights from Ontario to Athens

Explore cheap flight options specifically provided by United Airlines for the route between Ontario and Athens. 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 2,948,547 searches. Data last updated April 29, 2024.
Peruse some of the lowest-priced United Airlines flights we've found from Ontario to Athens. Deals update often to give you more flight options matching your criteria
Sun 10/2010:48 amONT - ATH
2 stops25h 57mUnited Airlines
Wed 10/302:20 pmATH - ONT
2 stops40h 45mUnited Airlines
Deal found 4/27$901
Mon 5/276:25 pmONT - ATH
2 stops27h 45mUnited Airlines
Tue 6/41:10 pmATH - ONT
2 stops33h 23mUnited Airlines
Deal found 4/28$1,161
Tue 5/285:15 amONT - ATH
2 stops19h 30mUnited Airlines
Tue 6/412:35 pmATH - ONT
3 stops42h 39mUnited Airlines
Deal found 4/28$1,202

Cheap Delta flights from Ontario to Athens

Explore cheap flight options specifically provided by Delta for the route between Ontario and Athens. 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 2,948,547 searches. Data last updated April 29, 2024.
Some of the lowest-priced Delta flights we've found at this time heading from Ontario to Athens. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Tue 4/306:10 amONT - ATH
1 stop18h 30mDelta
Tue 5/712:55 pmATH - ONT
1 stop32h 45mDelta
Deal found 4/27$903
Tue 4/3012:35 pmONT - ATH
2 stops19h 25mDelta
Thu 5/912:55 pmATH - ONT
1 stop19h 52mDelta
Deal found 4/27$912
Tue 4/3012:35 pmONT - ATH
2 stops19h 25mDelta
Wed 5/812:55 pmATH - ONT
1 stop32h 45mDelta
Deal found 4/27$920
Tue 4/3012:35 pmONT - ATH
2 stops19h 25mDelta
Mon 5/612:55 pmATH - ONT
1 stop20h 07mDelta
Deal found 4/27$946
Mon 5/2710:00 pmONT - ATH
1 stop26h 40mDelta
Tue 6/412:55 pmATH - ONT
1 stop32h 45mDelta
Deal found 4/28$1,178
Sun 9/810:59 pmONT - ATH
1 stop25h 41mDelta
Wed 9/186:30 amATH - ONT
2 stops19h 42mDelta
Deal found 4/29$1,191
Tue 5/2811:20 amONT - ATH
2 stops25h 55mDelta
Tue 6/412:55 pmATH - ONT
1 stop32h 45mDelta
Deal found 4/28$1,194
Wed 5/112:35 pmONT - ATH
1 stop36h 05mDelta
Thu 5/912:55 pmATH - ONT
1 stop19h 52mDelta
Deal found 4/27$1,324
Wed 5/112:35 pmONT - ATH
1 stop36h 05mDelta
Wed 5/812:55 pmATH - ONT
1 stop32h 45mDelta
Deal found 4/27$1,331

Cheap Ontario to Athens flights in April & May 2024

Find cheap flight options from Ontario to Athens specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,948,547 searches. Prices were last updated on April 29, 2024.
These are some of the most attractive deals on flights from Ontario to Athens in 2024. Check back soon for alternative fares.
Fri 5/106:00 amONT - ATH
1 stop18h 40mKLM
Fri 5/1712:55 pmATH - ONT
1 stop19h 52mKLM
Deal found 4/28$796
Wed 5/16:00 amONT - ATH
2 stops42h 00mAir Canada
Tue 5/712:10 pmATH - ONT
2 stops20h 54mAir Canada
Deal found 4/27$801
Mon 4/2912:35 pmONT - ATH
1 stop36h 05mDelta
Sun 5/512:55 pmATH - ONT
1 stop20h 07mDelta
Deal found 4/27$803
Mon 4/2912:35 pmONT - ATH
1 stop36h 05mDelta
Tue 5/712:55 pmATH - ONT
1 stop32h 45mDelta
Deal found 4/27$811
Mon 4/296:10 amONT - ATH
2 stops31h 05mDelta
Sun 5/512:55 pmATH - ONT
1 stop20h 07mDelta
Deal found 4/27$812
Thu 5/96:00 amONT - ATH
1 stop18h 40mKLM
Thu 5/1612:55 pmATH - ONT
1 stop19h 52mKLM
Deal found 4/28$818
Mon 4/296:10 amONT - ATH
2 stops31h 05mDelta
Wed 5/812:55 pmATH - ONT
1 stop32h 45mDelta
Deal found 4/27$820
Sun 5/52:53 pmONT - ATH
2 stops19h 02mBritish Airways
Tue 5/148:10 amATH - ONT
2 stops21h 58mBritish Airways
Deal found 4/28$824
Tue 4/306:10 amONT - ATH
1 stop18h 30mKLM
Thu 5/912:55 pmATH - ONT
1 stop19h 52mKLM
Deal found 4/27$896

Ontario to Athens 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Athens in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,948,547 searches. Data last updated April 29, 2024.
These are some of the most attractive deals on flights from Ontario to Athens in 2024. Check back soon for alternative fares.
Sun 11/246:00 amONT - ATH
2 stops32h 40mUnited Airlines
Wed 12/47:15 amATH - ONT
2 stops24h 50mUnited Airlines
Deal found 4/28$611
Tue 12/246:37 amONT - ATH
2 stops20h 58mBritish Airways
Sun 1/128:00 amATH - ONT
2 stops25h 44mBritish Airways
Deal found 4/29$629
Sat 11/23:01 pmONT - ATH
2 stops25h 14mBritish Airways
Sun 11/108:00 amATH - ONT
2 stops19h 52mBritish Airways
Deal found 4/28$633
Mon 10/2811:59 pmONT - ATH
2 stops28h 36mBritish Airways
Mon 11/117:55 pmATH - ONT
2 stops31h 53mBritish Airways
Deal found 4/27$654
Tue 10/18:41 amONT - ATH
2 stops23h 39mBritish Airways
Wed 10/165:20 pmATH - ONT
2 stops34h 13mBritish Airways
Deal found 4/28$684
Wed 11/2710:40 amONT - ATH
2 stops19h 40mMultiple Airlines
Mon 12/22:20 pmATH - ONT
2 stops41h 45mMultiple Airlines
Deal found 4/28$691
Thu 11/2110:40 amONT - ATH
2 stops19h 40mMultiple Airlines
Thu 11/282:20 pmATH - ONT
2 stops41h 45mMultiple Airlines
Deal found 4/28$721
Sun 8/185:20 amONT - ATH
2 stops18h 40mAir Canada
Tue 8/2712:10 pmATH - ONT
2 stops34h 22mAir Canada
Deal found 4/27$733
Mon 12/2312:56 pmONT - ATH
2 stops20h 09mBritish Airways
Sun 1/128:00 amATH - ONT
2 stops19h 50mBritish Airways
Deal found 4/29$759

Ontario to Athens flights leaving soon

Find last-minute flight options from Ontario to Athens 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 2,948,547 searches. Data last updated April 29, 2024.
Consider one of these great deals we found on last-minute flights from Ontario to Athens. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Fri 5/106:00 amONT - ATH
1 stop18h 40mKLM
Fri 5/1712:55 pmATH - ONT
1 stop19h 52mKLM
Deal found 4/28$796
Wed 5/16:00 amONT - ATH
2 stops42h 00mAir Canada
Tue 5/712:10 pmATH - ONT
2 stops20h 54mAir Canada
Deal found 4/27$801
Wed 5/16:00 amONT - ATH
2 stops18h 55mMultiple Airlines
Tue 5/712:10 pmATH - ONT
3 stops34h 30mMultiple Airlines
Deal found 4/27$812
Thu 5/96:00 amONT - ATH
1 stop18h 40mKLM
Thu 5/1612:55 pmATH - ONT
1 stop19h 52mKLM
Deal found 4/28$818
Sun 5/52:53 pmONT - ATH
2 stops19h 02mBritish Airways
Tue 5/148:10 amATH - ONT
2 stops21h 58mBritish Airways
Deal found 4/28$824
Tue 4/306:10 amONT - ATH
1 stop18h 30mKLM
Thu 5/912:55 pmATH - ONT
1 stop19h 52mKLM
Deal found 4/27$896
Tue 4/306:10 amONT - ATH
1 stop18h 30mDelta
Tue 5/712:55 pmATH - ONT
1 stop32h 45mDelta
Deal found 4/27$903
Tue 4/3012:35 pmONT - ATH
2 stops19h 25mDelta
Thu 5/912:55 pmATH - ONT
1 stop19h 52mDelta
Deal found 4/27$912
Tue 4/3012:35 pmONT - ATH
2 stops19h 25mDelta
Wed 5/812:55 pmATH - ONT
1 stop32h 45mDelta
Deal found 4/27$920

One-way flights to Athens from Ontario

Search for one-way flight options from Ontario to Athens. 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 2,948,547 searches. Data last updated April 29, 2024.
Take a look at some of the best available options we've come across on one-way flights from Ontario to Athens. Users needing a return flight from Ontario to Athens should utilize the search form above.
Mon 9/3012:49 amONT - ATH
3 stops33h 36mMultiple Airlines
Deal found 4/28$409
Tue 10/112:00 pmONT - ATH
2 stops20h 55mMultiple Airlines
Deal found 4/28$438
Sat 7/201:45 pmONT - ATH
3 stops23h 00mUnited Airlines
Deal found 4/28$549
Fri 8/97:00 amONT - ATH
1 stop17h 45mKLM
Deal found 4/28$555
Wed 5/86:00 amONT - ATH
1 stop18h 40mKLM
Deal found 4/29$561
Wed 5/86:00 amONT - ATH
2 stops18h 55mMultiple Airlines
Deal found 4/29$567
Tue 10/17:18 amONT - ATH
3 stops29h 27mUnited Airlines
Deal found 4/28$574
Thu 5/96:00 amONT - ATH
1 stop18h 40mKLM
Deal found 4/29$611
Wed 9/2510:50 amONT - ATH
2 stops29h 25mAmerican Airlines
Deal found 4/28$631

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 2,948,547 searches. Data last updated April 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$684 - $1,178

Route

Depart

Return

Price

OntarioAthens Eleftherios V.

ONT - ATH

ONTATH

Ontario

Tue 10/1

2 stops23h 39m

Athens Eleftherios V.

Wed 10/16

2 stops34h 13m

$684

OntarioAthens Eleftherios V.

ONT - ATH

ONTATH

Ontario

Sun 8/18

2 stops18h 40m

Athens Eleftherios V.

Tue 8/27

2 stops34h 22m

$733

OntarioAthens Eleftherios V.

ONT - ATH

ONTATH

Ontario

Fri 5/10

1 stop18h 40m

Athens Eleftherios V.

Fri 5/17

1 stop19h 52m

$796

OntarioAthens Eleftherios V.

ONT - ATH

ONTATH

Ontario

Sun 10/20

2 stops25h 57m

Athens Eleftherios V.

Wed 10/30

2 stops40h 45m

$901

OntarioAthens Eleftherios V.

ONT - ATH

ONTATH

Ontario

Tue 10/1

2 stops27h 25m

Athens Eleftherios V.

Tue 10/15

2 stops31h 33m

$951

OntarioAthens Eleftherios V.

ONT - ATH

ONTATH

Ontario

Sun 9/8

2 stops19h 40m

Athens Eleftherios V.

Wed 9/18

2 stops30h 57m

$965

OntarioAthens Eleftherios V.

ONT - ATH

ONTATH

Ontario

Fri 9/6

2 stops30h 40m

Athens Eleftherios V.

Sun 9/15

2 stops35h 11m

$1,091

OntarioAthens Eleftherios V.

ONT - ATH

ONTATH

Ontario

Sun 10/13

2 stops30h 01m

Athens Eleftherios V.

Thu 10/24

2 stops27h 57m

$1,105

OntarioAthens Eleftherios V.

ONT - ATH

ONTATH

Ontario

Mon 5/27

1 stop26h 40m

Athens Eleftherios V.

Tue 6/4

1 stop32h 45m

$1,178

Flights are sorted by cheapest first

Deals found on 4/28

When is the cheapest time 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 April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Athens flight should consider departing on Thursday evenings 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.
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Average price of flights to Athens by month

Plan your trip from Ontario to Athens by taking into account the cheapest months to travel. The average price of a one-way flight from Ontario to Athens is currently $544 while a round-trip flight costs $934. Price data was last updated on April 21, 2024.

Currently, December is the cheapest month in which you can book a flight from Ontario to Athens (average of $613). Flying from Ontario to Athens in June is currently the most expensive (average of $1,581). 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.

January

$734

February

$745

March

$803

April

$708

May

$1,037

June

$1,581

July

$1,345

August

$1,111

September

$1,061

October

$794

November

$630

December

$613

Temperature and rainfall in Athens by month

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

ATH

Temperature

50 - 82.4 °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 April 29, 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
8.1
Very good
10,913 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.1

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
10,913 reviews
Delta
8.1
Very good
10,913 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.1

Reviews

1 / 10

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

KLM
7.9
Good
1,618 reviews
Delta
8.1
Very good
10,913 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.1

Reviews

1 / 10

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

Virgin Atlantic
7.7
Good
743 reviews
Delta
8.1
Very good
10,913 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.1

Reviews

1 / 10

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

Turkish Airlines
7.4
Good
3,699 reviews
Delta
8.1
Very good
10,913 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.1

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
11,202 reviews
Delta
8.1
Very good
10,913 reviews
Check prices

Comfort

7.9

Entertainment

8.0

Crew

8.6

Food

7.4

Boarding

8.2

Overall

8.1

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 Athens. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Ontario to Athens for under $700 on Cheapflights?

    Yes, there are multiple flights from Ontario to Athens for under $700. The cheapest flight booked recently is on British Airways for just $684, but on average you can expect to pay $877.

  • Are there last-minute flights available from Ontario to Athens for under $800?

    There are currently 20+ open flights from Ontario to Athens within the next 7 days for less than $800.

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

    According to our current data, British Airways ($684), Air Canada ($733), and KLM ($796) offers the cheapest pricing from Ontario to Athens. British Airways is priced at 31% 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 $549 on United Airlines. Other airlines that offer cheap prices include KLM from $555 and American Airlines from $631 one-way.

  • What are the most popular airlines that fly from Ontario to Athens?

    When booking a flight from Ontario to Athens, you may want to consider flying on American Airlines, British Airways or Delta as they are the most popular for this route.

  • What does ONT to ATH mean?

    Ontario Airport is ONT and Athens Eleftherios V. Airport is ATH. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

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

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

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

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

    Many airlines flying from Ontario to Athens 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 Athens?

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

    The Ontario to Athens flight deals you see on this page were last updated on 4/29.

See more FAQs

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Alternative routes for Ontario to Athens
See prices for flight routes from nearby airports that may be better suited for you.

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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 2,948,547 searches. Data last updated April 29, 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 Athens by cabin class

Find flights from Ontario to Athens, 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 Athens?

Deals for Ontario to Athens flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Athens for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight to Athens from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Ontario to Athens on Cheapflights with our Price Alert feature and get notified when better prices are available.

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