Find flights
When to book
Airlines
FAQs

Cheap flights from Ontario to Kos from C$ 1,148

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — KGS
17 Jun — 24 Jun1
1 adult

Cheap flight deals from Ontario to Kos

Keep the following information in mind while searching for Ontario to Kos flight deals. Data was last updated 12 June 2025.

Round-trip from

C$ 1,165
Condor
  • Condor
  • 3/7-8/7
  • 2 total stops
  • 29h 40m total
  • Ontario to Kos
Search Deals

Find flight deals from Ontario to Kos

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 12 June 2025.

Wed 17/96:20 p.m.YYZ - KGS
1 stop17h 20mMultiple Airlines
Wed 24/98:40 p.m.KGS - YYZ
1 stop23h 10mMultiple Airlines
Deal found 10/6C$ 1,148
Fri 10/106:20 p.m.YYZ - KGS
2 stops31h 50mAustrian Airlines
Sun 19/1010:00 a.m.KGS - YYZ
2 stops33h 40mAustrian Airlines
Deal found 10/6C$ 1,151
Wed 2/710:05 p.m.YUL - KGS
1 stop15h 55mMultiple Airlines
Tue 8/79:55 p.m.KGS - YUL
1 stop23h 20mMultiple Airlines
Deal found 9/6C$ 1,207
Wed 17/98:20 p.m.YYZ - KGS
2 stops15h 20mLufthansa
Wed 24/97:55 p.m.KGS - YYZ
2 stops22h 45mLufthansa
Deal found 10/6C$ 1,211
Fri 10/1012:25 p.m.YTZ - KGS
2 stops24h 35mSWISS
Sun 19/103:15 p.m.KGS - YTZ
2 stops33h 30mSWISS
Deal found 10/6C$ 1,714
Wed 18/610:15 p.m.YYZ - KGS
2 stops35h 05mBrussels Airlines
Sun 29/611:25 a.m.KGS - YYZ
1 stop31h 15mBrussels Airlines
Deal found 11/6C$ 2,178
Tue 24/63:25 p.m.YTZ - KGS
2 stops22h 25mMultiple Airlines
Sat 23/86:00 a.m.KGS - YTZ
2 stops22h 31mMultiple Airlines
Deal found 10/6C$ 4,359

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 12 June 2025.
Use the filters below to find and compare flights from Ontario to Kos that are best for you.

Fly from

Ontario

Fly to

Kos

Route

Depart

Return

Price

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Wed 17/9

6:20 p.m.-6:40 p.m.

1 stop17h 20m

Kos

Wed 24/9

8:40 p.m.-12:50 p.m.

1 stop23h 10m

C$ 1,148

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Fri 10/10

6:20 p.m.-9:10 a.m.

2 stops31h 50m

Kos

Sun 19/10

10:00 a.m.-12:40 p.m.

2 stops33h 40m

C$ 1,151

MontrealKos

YUL - KGS

YULKGS

Montreal Pierre Elliott Trudeau Intl

Wed 2/7

10:05 p.m.-9:00 p.m.

1 stop15h 55m

Kos

Tue 8/7

9:55 p.m.-2:15 p.m.

1 stop23h 20m

C$ 1,207

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Wed 17/9

8:20 p.m.-6:40 p.m.

2 stops15h 20m

Kos

Wed 24/9

7:55 p.m.-11:40 a.m.

2 stops22h 45m

C$ 1,211

TorontoKos

YTZ - KGS

YTZKGS

Toronto Island

Fri 10/10

12:25 p.m.-8:00 p.m.

2 stops24h 35m

Kos

Sun 19/10

3:15 p.m.-5:45 p.m.

2 stops33h 30m

C$ 1,714

TorontoKos

YTZ - KGS

YTZKGS

Toronto Island

Tue 24/6

3:25 p.m.-8:50 p.m.

2 stops22h 25m

Kos

Sat 23/8

6:00 a.m.-9:31 p.m.

2 stops22h 31m

C$ 4,359

MontrealKos

YUL - KGS

YULKGS

Montreal Pierre Elliott Trudeau Intl

Sat 26/7

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

2 stops56h 00m

C$ 1,360

MontrealKos

YUL - KGS

YULKGS

Montreal Pierre Elliott Trudeau Intl

Sat 26/7

4:40 p.m.-2:30 p.m.

1 stop14h 50m

C$ 1,436

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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

Rainfall in Kos by month

Plan your trip to Kos by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kos ranges from 2.0 - 169.0 mm per month. January is typically the wettest month, when rainfall can reach 169.0 mm. July is typically the driest time to visit Kos when rainfall is around 2.0 mm.

Temperature in Kos by month

Plan your trip to Kos by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kos, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 10.0 C).

Reviews of airlines servicing Kos

Get insights into the airlines that provide service to Kos. 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 Kos. Reviews last updated 12 June 2025.
Peruse reviews from past customers who have flown with Austrian Airlines, SWISS and Brussels Airlines from Ontario to Kos to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
802 reviews
Check prices

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.3

Boarding

7.6

Food

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
Austrian Airlines
7.6
Good
802 reviews
Austrian Airlines
7.6
Good
802 reviews
Check prices

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.3

Boarding

7.6

Food

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
SWISS
7.5
Good
1,623 reviews
Austrian Airlines
7.6
Good
802 reviews
Check prices

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.3

Boarding

7.6

Food

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
Brussels Airlines
7.4
Good
355 reviews
Austrian Airlines
7.6
Good
802 reviews
Check prices

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.3

Boarding

7.6

Food

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
Lufthansa
6.8
Okay
7,136 reviews
Austrian Airlines
7.6
Good
802 reviews
Check prices

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.3

Boarding

7.6

Food

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
Condor
6.3
Okay
331 reviews
Austrian Airlines
7.6
Good
802 reviews
Check prices

Entertainment

6.8

Crew

8.1

Overall

7.6

Comfort

7.3

Boarding

7.6

Food

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well

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.

  • 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, Toronto Island - Kos and Montreal Pierre Elliott Trudeau Intl - 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Kos

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Santorini flights
Pierre Elliott Trudeau Intl to Santorini flights
Pearson Intl to Mykonos flights
Pearson Intl to Rhodes flights
Pearson Intl to Kos flights
Pierre Elliott Trudeau Intl to Mykonos flights
Pierre Elliott Trudeau Intl to Rhodes flights
Pierre Elliott Trudeau Intl to Kos flights
Québec City to Santorini flights
Ottawa to Santorini flights
Vancouver Intl to Rhodes flights
Edmonton to Mykonos flights
Winnipeg to Mykonos flights
Edmonton to Santorini flights
Pearson Intl to Paleochori flights
Pierre Elliott Trudeau Intl to Karpathos flights
Ottawa to Mykonos flights
Vancouver Intl to Naxos flights
Pearson Intl to Parikia flights
Pierre Elliott Trudeau Intl to Parikia flights
Pearson Intl to Naxos flights
Calgary to Santorini flights
Halifax to Santorini flights
Vancouver Intl to Santorini flights
Edmonton to Kos flights
Saskatoon to Santorini flights
St. John's to Santorini flights

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 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.