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Cheap flights from Ontario to Kos from C$ 466

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — KGS
21 Jul — 28 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Kos

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Kos
Explore the most affordable flight options available from Ontario to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 June 2026.

Tue 7/79:55 p.m.
YYZ
-
KGS
2 stops35h 55m
Multiple Airlines
Fri 17/710:00 a.m.
KGS
-
YYZ
1 stop14h 20m
Multiple Airlines
Deal found 18/6C$ 1,126
Mon 14/96:15 a.m.
YYZ
-
KGS
2 stops30h 25m
Multiple Airlines
Wed 23/98:40 p.m.
KGS
-
YYZ
2 stops52h 47m
Multiple Airlines
Deal found 18/6C$ 1,167
Wed 1/79:20 p.m.
YUL
-
KGS
2 stops34h 50m
Multiple Airlines
Wed 8/78:40 p.m.
KGS
-
YUL
2 stops52h 42m
Multiple Airlines
Deal found 20/6C$ 1,249
Thu 2/711:50 p.m.
YYZ
-
KGS
1 stop13h 55m
Multiple Airlines
Wed 8/712:55 p.m.
KGS
-
YYZ
1 stop32h 50m
Multiple Airlines
Deal found 18/6C$ 1,251
Wed 1/76:35 p.m.
YUL
-
KGS
1 stop18h 45m
Austrian Airlines
Wed 8/79:40 p.m.
KGS
-
YUL
1 stop23h 10m
Austrian Airlines
Deal found 20/6C$ 1,552
Sun 13/910:15 a.m.
YUL
-
KGS
2 stops24h 15m
Emirates
Thu 17/91:05 p.m.
KGS
-
YUL
2 stops25h 55m
Emirates
Deal found 19/6C$ 5,711

Find flight deals from Ontario to Kos

Keep the following information in mind while searching for Ontario to Kos flight deals. Data was last updated 21 June 2026.

Round-trip from

C$ 1,063

One-way from

C$ 466
5/9-18/9
  • 5/9-18/9
  • 3 total stops
  • 37h 45m total
  • Ontario to Kos
Search Deals
3/8
  • 3/8
  • 1 total stop
  • 19h 50m total
  • Ontario to Kos
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Kos 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 629,999 searches. Data last updated 21 June 2026.
Use the filters below to find and compare flights from Ontario to Kos that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Mon 14/9

6:15 a.m.-7:40 p.m.

2 stops30h 25m

Kos

Wed 23/9

8:40 p.m.-6:27 p.m.

2 stops52h 47m

C$ 1,167
Quickest round-trip

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Tue 7/7

9:55 p.m.-11:20 p.m.

2 stops18h 25m

Kos

Fri 17/7

6:00 a.m.-7:15 p.m.

2 stops20h 15m

C$ 1,223

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Thu 2/7

6:15 p.m.-8:50 a.m.

3 stops31h 35m

Kos

Wed 8/7

11:35 p.m.-9:45 p.m.

2 stops29h 10m

C$ 1,265

MontrealKos

YUL - KGS

YULKGS

Montreal Pierre Elliott Trudeau Intl

Wed 1/7

8:25 p.m.-4:50 p.m.

1 stop13h 25m

Kos

Wed 8/7

6:00 p.m.-10:40 a.m.

2 stops47h 40m

C$ 1,316

MontrealKos

YUL - KGS

YULKGS

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

10:15 a.m.-5:30 p.m.

2 stops24h 15m

Kos

Thu 17/9

1:05 p.m.-8:00 a.m.

2 stops25h 55m

C$ 5,711
Cheapest one-way

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Mon 3/8

7:15 p.m.-10:05 p.m.

1 stop19h 50m

C$ 466

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Tue 4/8

11:55 p.m.-9:15 a.m.

2 stops26h 20m

C$ 580

TorontoKos

YTZ - KGS

YTZKGS

Toronto Island

Mon 3/8

9:00 a.m.-3:55 p.m.

3 stops47h 55m

C$ 613
Quickest one-way

TorontoKos

YTZ - KGS

YTZKGS

Toronto Island

Tue 4/8

6:30 p.m.-7:05 p.m.

2 stops17h 35m

C$ 614

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Tue 4/8

6:00 p.m.-8:50 p.m.

1 stop19h 50m

C$ 634

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/6

Showing 1-10 of 12 resultsSorted by cheapest first
1
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Best time to book a flight from Ontario to Kos

Have a flexible travel schedule? Discover the best time to fly to Kos 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 Kos
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What airport do you fly into for flights to Kos from Ontario?

    Most people fly into Kos (KGS) if they book a flight to Kos from Ontario. Kos is conveniently located just 20.6 km from Kos’s city centre.

  • How long is the flight from Region of Ontario to Kos?

    Departing from Region of Ontario to Kos will take you 24h 15m. The distance from Region of Ontario to Kos is about 7918 km.

  • What are the most popular routes from Region of Ontario to Kos?

    The most popular flight routes from Region of Ontario to Kos are Toronto Pearson Intl - Kos, Montreal Pierre Elliott Trudeau Intl - Kos and Toronto Island - Kos.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Kos by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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How does Cheapflights help users find flights from Ontario to Kos?

When you search for this flight from Ontario to Kos, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Ontario to Kos by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Kos from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Kos from Ontario today and book when prices fit your budget.

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