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Find cheap flights from Ontario to Kos from C$ 1,448

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight to Kos departing on 14/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 11/5
Sat 18/5

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Cheapest flight

C$ 1,448
Flight from Toronto to Kos

FAQs for booking flights from Ontario to Kos

  • How does KAYAK find such low prices on flights from Ontario to Kos?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Kos.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Kos?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Kos from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Kos?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Kos with an airline and back to Ontario with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Kos?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Kos from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Ontario to Kos?

Find which airlines fly direct from Ontario to Kos, which days they fly and book direct flights.

Nonstop departures

Ontario to Kos

Monday

Aegean Airlines,Austrian Airlines,British Airways, +21 more

Aegean Airlines,Austrian Airlines, +22 more

Tuesday

Aegean Airlines,Aer Lingus,Alaska Airlines, +20 more

Aegean Airlines,Aer Lingus, +21 more

Wednesday

Aegean Airlines,British Airways,Brussels Airlines, +17 more

Aegean Airlines,British Airways, +18 more

Thursday

Aegean Airlines,British Airways,Chair, +18 more

Aegean Airlines,British Airways, +19 more

Friday

Aegean Airlines,Alaska Airlines,Austrian Airlines, +21 more

Aegean Airlines,Alaska Airlines, +22 more

Saturday

Aegean Airlines,Aer Lingus,Austrian Airlines, +21 more

Aegean Airlines,Aer Lingus, +22 more

Sunday

Aegean Airlines,Alaska Airlines,British Airways, +21 more

Aegean Airlines,Alaska Airlines, +22 more

See more nonstop flights

Nonstop returns

Kos to Ontario

Monday

Aegean Airlines,Austrian Airlines,British Airways, +21 more

Aegean Airlines,Austrian Airlines, +22 more

Tuesday

Aegean Airlines,Aer Lingus,Alaska Airlines, +20 more

Aegean Airlines,Aer Lingus, +21 more

Wednesday

Aegean Airlines,British Airways,Brussels Airlines, +17 more

Aegean Airlines,British Airways, +18 more

Thursday

Aegean Airlines,British Airways,Chair, +18 more

Aegean Airlines,British Airways, +19 more

Friday

Aegean Airlines,Alaska Airlines,Austrian Airlines, +21 more

Aegean Airlines,Alaska Airlines, +22 more

Saturday

Aegean Airlines,Aer Lingus,Austrian Airlines, +21 more

Aegean Airlines,Aer Lingus, +22 more

Sunday

Aegean Airlines,Alaska Airlines,British Airways, +21 more

Aegean Airlines,Alaska Airlines, +22 more

See more nonstop flights
See more nonstop flights

Book cheap flights from Ontario to Kos

Recent round-trip flight deals

14/6Fri
1 stop
18h 55mYYZ-KGS
24/10Thu
2 stops
19h 15mKGS-YYZ
C$ 1,448
10/6Mon
2 stopsSWISS
43h 35mYTZ-KGS
23/10Wed
2 stopsSWISS
28h 09mKGS-YTZ
C$ 1,450
12/6Wed
1 stop
16h 00mYYZ-KGS
24/10Thu
2 stops
19h 15mKGS-YYZ
C$ 1,461
14/6Fri
1 stop
18h 05mYYZ-KGS
24/10Thu
1 stop
17h 35mKGS-YYZ
C$ 1,480
10/6Mon
2 stopsSWISS
43h 55mYYZ-KGS
23/10Wed
1 stopSWISS
23h 20mKGS-YYZ
C$ 1,484
12/6Wed
1 stopLufthansa
16h 00mYYZ-KGS
23/10Wed
1 stopLufthansa
14h 15mKGS-YYZ
C$ 1,490
10/6Mon
2 stopsSWISS
43h 35mYTZ-KGS
24/10Thu
2 stopsSWISS
37h 49mKGS-YTZ
C$ 1,505
11/6Tue
1 stopSWISS
20h 30mYYZ-KGS
24/10Thu
2 stopsSWISS
59h 34mKGS-YYZ
C$ 1,512
11/6Tue
1 stopLufthansa
13h 25mYYZ-KGS
23/10Wed
1 stopLufthansa
14h 15mKGS-YYZ
C$ 1,514
12/6Wed
2 stopsLufthansa
15h 50mYYZ-KGS
23/10Wed
1 stopLufthansa
33h 55mKGS-YYZ
C$ 1,568

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Flights to Kos

Destination:

Kos (KGS)Greece

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