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Thessaloniki

$637+ Cheap flights from Ontario (ONT) to Thessaloniki (SKG)

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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SKG
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Ontario to Thessaloniki

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Thessaloniki (SKG). 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 September 17, 2025.

Round-trip from

$660
(KLM)

One-way from

$637
(KLM)

Popular in

June

Cheapest in

January

Average price

$740
From Ontario to Thessaloniki Makedonia
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One-way flight from Ontario to Thessaloniki Makedonia
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Highest demand for flights based on searches. 20% potential increase in price ($225 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Thessaloniki

Cheapest flights from Ontario to Thessaloniki
Explore the most affordable flight options available from Ontario to Thessaloniki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This KLM deal was found by Cheapflights users on 9/16. 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.
Mon 9/297:05 amONT - SKG
2 stops20h 25mKLM
Fri 10/311:40 pmSKG - ONT
2 stops29h 46mKLM
Deal found 9/16$660
This KLM deal was found by Cheapflights users on 9/14. 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.
Wed 11/127:05 amONT - SKG
2 stops19h 45mKLM
Sun 11/1612:25 pmSKG - ONT
2 stops44h 39mKLM
Deal found 9/14$734
This KLM deal was found by Cheapflights users on 9/16. 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.
Sun 9/287:05 amONT - SKG
2 stops18h 05mKLM
Thu 10/301:40 pmSKG - ONT
2 stops29h 46mKLM
Deal found 9/16$753
This lastminute.com deal was found by Cheapflights users on 9/16. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1910:00 pmONT - SKG
2 stops29h 30mKLM
Tue 11/41:40 pmSKG - ONT
2 stops36h 13mKLM
Deal found 9/16$1,949
This lastminute.com deal was found by Cheapflights users on 9/15. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2010:00 pmONT - SKG
2 stops29h 30mKLM
Tue 11/41:40 pmSKG - ONT
2 stops36h 13mKLM
Deal found 9/15$1,978

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Thessaloniki 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 September 17, 2025.
Use the filters below to find and compare flights from Ontario to Thessaloniki that are best for you.

Fly from

Ontario

Fly to

Thessaloniki

Route

Depart

Return

Price

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Tue 9/30

7:05 am-1:30 pm

2 stops20h 25m

Thessaloniki Makedonia

Fri 10/31

1:40 pm-10:26 am

2 stops29h 46m

$660

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Tue 9/30

7:05 am-1:30 pm

2 stops20h 25m

Thessaloniki Makedonia

Thu 10/30

1:40 pm-10:26 am

2 stops29h 46m

$660

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Mon 9/29

7:05 am-1:30 pm

2 stops20h 25m

Thessaloniki Makedonia

Thu 10/30

1:40 pm-10:26 am

2 stops29h 46m

$660

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Mon 9/29

7:05 am-1:30 pm

2 stops20h 25m

Thessaloniki Makedonia

Fri 10/31

1:40 pm-10:26 am

2 stops29h 46m

$660

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Wed 11/12

7:05 am-12:50 pm

2 stops19h 45m

Thessaloniki Makedonia

Sun 11/16

12:25 pm-11:04 pm

2 stops44h 39m

$734

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Sun 9/28

7:05 am-11:10 am

2 stops18h 05m

Thessaloniki Makedonia

Thu 10/30

1:40 pm-10:26 am

2 stops29h 46m

$753

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Thu 12/25

7:05 am-12:50 pm

2 stops19h 45m

$637

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Fri 12/19

11:59 pm-3:15 pm

2 stops29h 16m

$1,632

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Tue 12/23

10:29 pm-12:50 pm

2 stops28h 21m

$1,661

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Tue 12/16

10:25 pm-12:50 pm

2 stops28h 25m

$1,782

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 12 results
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Best time to book a flight from Ontario to Thessaloniki

Have a flexible travel schedule? Discover the best time to fly to Thessaloniki 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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Thessaloniki

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Thessaloniki (average of $720). Flying from Ontario to Thessaloniki in June is currently the most expensive (average of $1,277). 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.

Related info for your journey

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

  • How long is the flight from Ontario to Thessaloniki?

    A quick flight from Ontario to Thessaloniki can take about 20h 25m. KLM provides one of the quickest options available for as low as $660. There are 6700 mi between Ontario and Thessaloniki.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Ontario to Thessaloniki (average of $720). Flying from Ontario to Thessaloniki in June is currently the most expensive (average of $1,277). 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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