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Thessaloniki

$669+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SKG
Jan 9 — Jan 161
Fri 1/9
Fri 1/16
1 adult, Economy
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Cheap flight deals from Ontario to Thessaloniki

Best flights from Ontario to Thessaloniki
Discover carefully curated flight deals from Ontario to Thessaloniki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 10, 2025.

This Booking.com deal was found by Cheapflights users on 12/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/111:58 pmONT - SKG
2 stops52h 47mBritish Airways
Thu 4/302:35 pmSKG - ONT
2 stops37h 10mBritish Airways
Deal found 12/10$1,005
This KLM deal was found by Cheapflights users on 12/9. 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.
Fri 1/2312:41 pmONT - SKG
2 stops22h 39mKLM
Thu 2/129:00 pmSKG - ONT
2 stops29h 02mKLM
Deal found 12/9$8,268

Find 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 December 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$8,268
(KLM)

One-way from

$669
(Air Serbia)

Popular in

June

Cheapest in

October

Average price

$847
Provider with most accurate pricing for Los Angeles-Thessaloniki Makedonia flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Thessaloniki Makedonia flights.
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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 ($220 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 10, 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

Wed 4/1

11:58 pm-2:45 pm

2 stops52h 47m

Thessaloniki Makedonia

Thu 4/30

2:35 pm-5:45 pm

2 stops37h 10m

$1,005

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Fri 1/23

12:41 pm-9:20 pm

2 stops22h 39m

Thessaloniki Makedonia

Thu 2/12

9:00 pm-4:02 pm

2 stops29h 02m

$8,268

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Mon 6/8

11:25 pm-3:25 pm

2 stops30h 00m

$669

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Mon 12/15

7:05 am-12:50 pm

2 stops19h 45m

$1,501

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Thu 12/18

7:05 am-12:50 pm

2 stops19h 45m

$2,214

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Wed 12/17

11:41 am-8:30 pm

2 stops22h 49m

$2,567

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Sun 12/21

10:29 pm-12:50 pm

2 stops28h 21m

$2,927

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Fri 12/19

10:25 pm-9:05 pm

2 stops36h 40m

$10,904

OntarioThessaloniki

ONT - SKG

ONTSKG

Ontario

Sat 12/20

11:15 am-9:05 pm

2 stops23h 50m

$13,270

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

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, August is the cheapest month in which you can book a flight from Ontario to Thessaloniki (average of $548). Flying from Ontario to Thessaloniki in June is currently the most expensive (average of $1,032). 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 22h 39m. British Airways provides one of the quickest options available for as low as $8,268. There are 6700 mi between Ontario and Thessaloniki. This flight may include one or multiple stops.

  • 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, August is the cheapest month in which you can book a flight from Ontario to Thessaloniki (average of $548). Flying from Ontario to Thessaloniki in June is currently the most expensive (average of $1,032). 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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