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Cheap flights from Ontario to Kos from C$ 1,340

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — KGS
7 Apr — 14 Apr1
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 2 April 2025.

Round-trip from

C$ 1,416

One-way from

C$ 1,340
Lufthansa
  • Lufthansa
  • 24/5-31/5
  • 3 total stops
  • 64h 20m total
  • Ontario to Kos
Search Deals
SWISS
  • SWISS
  • 5/6
  • 2 total stops
  • 19h 45m 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 2 April 2025.

Sat 24/56:35 p.m.YUL - KGS
2 stops32h 35mMultiple Airlines
Sat 31/58:15 p.m.KGS - YUL
1 stop31h 45mMultiple Airlines
Deal found 1/4C$ 1,416
Wed 18/66:20 p.m.YYZ - KGS
2 stops17h 20mMultiple Airlines
Sun 29/65:50 p.m.KGS - YYZ
2 stops31h 09mMultiple Airlines
Deal found 1/4C$ 1,440
Sat 24/56:35 p.m.YUL - KGS
2 stops32h 35mSWISS
Sat 31/58:45 p.m.KGS - YUL
2 stops48h 05mSWISS
Deal found 1/4C$ 1,501
Wed 17/95:45 p.m.YYZ - KGS
2 stops38h 25mSWISS
Wed 24/98:40 p.m.KGS - YYZ
1 stop23h 10mSWISS
Deal found 1/4C$ 1,581
Wed 17/96:25 p.m.YYZ - KGS
2 stops17h 15mLufthansa
Wed 24/97:55 p.m.KGS - YYZ
2 stops23h 45mLufthansa
Deal found 1/4C$ 1,650
Sun 17/85:25 p.m.YTZ - KGS
2 stops43h 15mSWISS
Sat 30/88:45 p.m.KGS - YTZ
2 stops28h 01mSWISS
Deal found 1/4C$ 1,753
Sat 12/79:40 p.m.YYZ - KGS
2 stops39h 20mAustrian Airlines
Fri 1/89:40 p.m.KGS - YYZ
2 stops48h 15mAustrian Airlines
Deal found 1/4C$ 2,020
Sat 12/712:25 p.m.YTZ - KGS
2 stops19h 05mMultiple Airlines
Thu 24/711:25 a.m.KGS - YTZ
2 stops17h 06mMultiple Airlines
Deal found 1/4C$ 2,236

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 2 April 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

MontrealKos

YUL - KGS

YULKGS

Montreal Pierre Elliott Trudeau Intl

Sat 24/5

6:35 p.m.-10:10 a.m.

2 stops32h 35m

Kos

Sat 31/5

8:15 p.m.-9:00 p.m.

1 stop31h 45m

C$ 1,416

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Wed 18/6

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

2 stops17h 20m

Kos

Sun 29/6

5:50 p.m.-5:59 p.m.

2 stops31h 09m

C$ 1,440

MontrealKos

YUL - KGS

YULKGS

Montreal Pierre Elliott Trudeau Intl

Sat 24/5

6:35 p.m.-10:10 a.m.

2 stops32h 35m

Kos

Sat 31/5

8:45 p.m.-1:50 p.m.

2 stops48h 05m

C$ 1,501

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Wed 17/9

5:45 p.m.-3:10 p.m.

2 stops38h 25m

Kos

Wed 24/9

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

1 stop23h 10m

C$ 1,581

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Wed 17/9

6:25 p.m.-6:40 p.m.

2 stops17h 15m

Kos

Wed 24/9

7:55 p.m.-12:40 p.m.

2 stops23h 45m

C$ 1,650

TorontoKos

YTZ - KGS

YTZKGS

Toronto Island

Sun 17/8

5:25 p.m.-7:40 p.m.

2 stops43h 15m

Kos

Sat 30/8

8:45 p.m.-5:46 p.m.

2 stops28h 01m

C$ 1,753

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Sat 12/7

9:40 p.m.-8:00 p.m.

2 stops39h 20m

Kos

Fri 1/8

9:40 p.m.-2:55 p.m.

2 stops48h 15m

C$ 2,020

TorontoKos

YTZ - KGS

YTZKGS

Toronto Island

Sat 12/7

12:25 p.m.-2:30 p.m.

2 stops19h 05m

Kos

Thu 24/7

11:25 a.m.-9:31 p.m.

2 stops17h 06m

C$ 2,236

TorontoKos

YTZ - KGS

YTZKGS

Toronto Island

Thu 5/6

12:25 p.m.-3:10 p.m.

2 stops19h 45m

C$ 1,340

TorontoKos

YYZ - KGS

YYZKGS

Toronto Pearson Intl

Thu 5/6

2:00 p.m.-3:10 p.m.

2 stops18h 10m

C$ 1,348

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/4

Showing 1-10 of 12 results
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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

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 2 April 2025.
Austrian Airlines
7.6
Good
771 reviews
Check prices

Food

6.8

Entertainment

6.7

Comfort

7.3

Crew

8.1

Overall

7.6

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.6
Good
771 reviews
Austrian Airlines
7.6
Good
771 reviews
Check prices

Food

6.8

Entertainment

6.7

Comfort

7.3

Crew

8.1

Overall

7.6

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
SWISS
7.5
Good
1,572 reviews
Austrian Airlines
7.6
Good
771 reviews
Check prices

Food

6.8

Entertainment

6.7

Comfort

7.3

Crew

8.1

Overall

7.6

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Lufthansa
6.7
Okay
6,963 reviews
Austrian Airlines
7.6
Good
771 reviews
Check prices

Food

6.8

Entertainment

6.7

Comfort

7.3

Crew

8.1

Overall

7.6

Boarding

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

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 cheapest airlines to fly from Region of Ontario to Kos one-way?

    One-way options have recently been found by users for as low as C$ 1,340 on SWISS. Other airlines that offer cheap prices include Lufthansa from C$ 1,403 and Austrian Airlines from C$ 2,203 one-way.

  • 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

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Alternative routes for Ontario to Kos

See prices for flight routes from nearby airports that may be better suited for you.
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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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