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Cheap flights from Ontario to Kos from C$ 553

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — KGS
17 Apr — 24 Apr1
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 18 March 2026.

Thu 30/48:20 p.m.
YUL
-
KGS
2 stops18h 35m
Multiple Airlines
Thu 7/58:35 a.m.
KGS
-
YUL
1 stop13h 45m
Multiple Airlines
Deal found 16/3C$ 1,373
Thu 30/48:20 p.m.
YUL
-
KGS
2 stops40h 40m
SWISS
Thu 7/511:10 a.m.
KGS
-
YUL
2 stops34h 40m
SWISS
Deal found 16/3C$ 1,393
Sun 9/86:35 p.m.
YUL
-
KGS
1 stop31h 40m
Multiple Airlines
Sun 23/83:15 p.m.
KGS
-
YUL
2 stops30h 25m
Multiple Airlines
Deal found 15/3C$ 1,443
Thu 30/711:05 p.m.
YYZ
-
KGS
1 stop15h 55m
Multiple Airlines
Mon 3/811:40 p.m.
KGS
-
YYZ
2 stops26h 25m
Multiple Airlines
Deal found 13/3C$ 1,484
Tue 14/45:35 p.m.
YYZ
-
KGS
2 stops18h 20m
Multiple Airlines
Tue 21/48:35 a.m.
KGS
-
YYZ
3 stops27h 54m
Multiple Airlines
Deal found 15/3C$ 1,495
Thu 30/711:05 p.m.
YYZ
-
KGS
1 stop15h 55m
Multiple Airlines
Sun 2/89:00 p.m.
KGS
-
YYZ
1 stop25h 50m
Multiple Airlines
Deal found 13/3C$ 1,698
Wed 29/77:45 p.m.
YYZ
-
KGS
1 stop14h 45m
Multiple Airlines
Mon 3/86:00 a.m.
KGS
-
YYZ
1 stop19h 50m
Multiple Airlines
Deal found 13/3C$ 1,734
Fri 31/76:05 p.m.
YYZ
-
KGS
1 stop18h 40m
Lufthansa
Mon 3/89:45 a.m.
KGS
-
YYZ
2 stops43h 10m
Lufthansa
Deal found 13/3C$ 1,755
Thu 30/710:15 p.m.
YYZ
-
KGS
1 stop17h 00m
Multiple Airlines
Sat 1/89:15 p.m.
KGS
-
YYZ
1 stop20h 45m
Multiple Airlines
Deal found 13/3C$ 1,775
Fri 31/710:05 p.m.
YYZ
-
KGS
1 stop15h 25m
Multiple Airlines
Mon 3/810:25 p.m.
KGS
-
YYZ
1 stop27h 25m
Multiple Airlines
Deal found 13/3C$ 1,781
Sun 7/610:15 a.m.
YUL
-
KGS
2 stops24h 15m
Emirates
Thu 11/66:10 p.m.
KGS
-
YUL
2 stops44h 50m
Emirates
Deal found 15/3C$ 5,395

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 18 March 2026.

Round-trip from

C$ 1,373

One-way from

C$ 553
30/4-7/5
  • 30/4-7/5
  • 3 total stops
  • 32h 20m total
  • Ontario to Kos
Search Deals
12/4
  • 12/4
  • 2 total stops
  • 55h 40m 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 18 March 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

MontrealKos

YUL - KGS

YULKGS

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

8:20 p.m.-8:00 p.m.

2 stops40h 40m

Kos

Thu 7/5

11:10 a.m.-2:50 p.m.

2 stops34h 40m

C$ 1,393

MontrealKos

YUL - KGS

YULKGS

Montreal Pierre Elliott Trudeau Intl

Sun 9/8

6:35 p.m.-9:15 a.m.

1 stop31h 40m

Kos

Sun 23/8

3:15 p.m.-2:40 p.m.

2 stops30h 25m

C$ 1,443

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Tue 14/4

5:35 p.m.-6:55 p.m.

2 stops18h 20m

Kos

Tue 21/4

8:35 a.m.-5:29 a.m.

3 stops27h 54m

C$ 1,495

MontrealKos

YUL - KGS

YULKGS

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

4:40 p.m.-12:35 a.m.

3 stops24h 55m

Kos

Thu 7/5

11:10 a.m.-2:30 p.m.

2 stops34h 20m

C$ 1,664
Quickest round-trip

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Thu 30/7

11:05 p.m.-10:00 p.m.

1 stop15h 55m

Kos

Sun 2/8

9:00 p.m.-3:50 p.m.

1 stop25h 50m

C$ 1,698

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Wed 29/7

9:20 p.m.-4:25 p.m.

2 stops36h 05m

Kos

Mon 3/8

11:25 a.m.-11:20 a.m.

2 stops54h 55m

C$ 1,798

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Thu 30/7

9:30 p.m.-8:50 p.m.

2 stops16h 20m

Kos

Sun 2/8

10:00 a.m.-7:30 p.m.

2 stops40h 30m

C$ 1,824

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Fri 31/7

3:30 p.m.-7:45 p.m.

2 stops21h 15m

Kos

Mon 3/8

9:45 a.m.-3:35 p.m.

2 stops36h 50m

C$ 1,825

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Wed 29/7

9:20 p.m.-4:25 p.m.

2 stops36h 05m

Kos

Sat 1/8

8:35 p.m.-8:30 p.m.

2 stops30h 55m

C$ 1,839

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Sun 7/6

2:55 p.m.-5:30 p.m.

2 stops43h 35m

Kos

Thu 11/6

6:10 p.m.-9:30 a.m.

2 stops46h 20m

C$ 4,992

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/3

Showing 1-10 of 17 resultsSorted by cheapest first
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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 40h 40m. 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 Montreal Pierre Elliott Trudeau Intl - Kos, Toronto Pearson 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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