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CA $820 Cheap Flights from Ottawa (YOW) to Kos (KGS)

View CA $820 flight on Mon, Aug 24, 2026Opens in a new window

Popular airlines from Ottawa International Airport (YOW) to Kos (KGS-Kos Island Intl.)

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Cheap flights from Ottawa (YOW) to Kos (KGS)

Prices were available within the past 7 days and start at CA $820 for one-way flights and CA $1,549 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Thu, Sep 3 - Mon, Sep 21
YOW
Ottawa
KGS
Kos
CA $1,549 Roundtrip, found 2 days ago
CA $1,549
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Sep 3 from Ottawa to Kos, returning Mon, Sep 21, priced at CA $1,549 found 2 days ago
Air Canada
Thu, Sep 3 - Mon, Sep 21
YOW
Ottawa
KGS
Kos
CA $1,619 Roundtrip, found 2 days ago
CA $1,619
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, Sep 3 from Ottawa to Kos, returning Mon, Sep 21, priced at CA $1,619 found 2 days ago
Lufthansa
Thu, Sep 3 - Mon, Sep 21
YOW
Ottawa
KGS
Kos
CA $1,649 Roundtrip, found 2 days ago
CA $1,649
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Sep 3 from Ottawa to Kos, returning Mon, Sep 21, priced at CA $1,649 found 2 days ago
Air Canada
Mon, Aug 24 - Mon, Aug 31
YOW
Ottawa
KGS
Kos
CA $1,658 Roundtrip, found 6 days ago
CA $1,658
Roundtrip
found 6 days ago
Select Air Canada flight, departing Mon, Aug 24 from Ottawa to Kos, returning Mon, Aug 31, priced at CA $1,658 found 6 days ago
Air Canada
Tue, Aug 18 - Sat, Aug 22
YOW
Ottawa
KGS
Kos
CA $1,695 Roundtrip, found 4 days ago
CA $1,695
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Aug 18 from Ottawa to Kos, returning Sat, Aug 22, priced at CA $1,695 found 4 days ago
Brussels Airlines
Mon, Aug 24 - Mon, Aug 31
YOW
Ottawa
KGS
Kos
CA $1,739 Roundtrip, found 6 days ago
CA $1,739
Roundtrip
found 6 days ago
Select Brussels Airlines flight, departing Mon, Aug 24 from Ottawa to Kos, returning Mon, Aug 31, priced at CA $1,739 found 6 days ago
Lufthansa
Thu, Sep 3 - Mon, Sep 21
YOW
Ottawa
KGS
Kos
CA $1,755 Roundtrip, found 2 days ago
CA $1,755
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Sep 3 from Ottawa to Kos, returning Mon, Sep 21, priced at CA $1,755 found 2 days ago
Lufthansa
Thu, Sep 3 - Mon, Sep 21
YOW
Ottawa
KGS
Kos
CA $1,761 Roundtrip, found 2 days ago
CA $1,761
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Sep 3 from Ottawa to Kos, returning Mon, Sep 21, priced at CA $1,761 found 2 days ago
Austrian Airlines
Thu, Sep 3 - Mon, Sep 21
YOW
Ottawa
KGS
Kos
CA $1,779 Roundtrip, found 2 days ago
CA $1,779
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Thu, Sep 3 from Ottawa to Kos, returning Mon, Sep 21, priced at CA $1,779 found 2 days ago
British Airways
Thu, Sep 3 - Mon, Sep 21
YOW
Ottawa
KGS
Kos
CA $2,222 Roundtrip, found 2 days ago
CA $2,222
Roundtrip
found 2 days ago
Select British Airways flight, departing Thu, Sep 3 from Ottawa to Kos, returning Mon, Sep 21, priced at CA $2,222 found 2 days ago

Frequently asked questions

How much does a flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Kos (KGS-Kos Island Intl.) cost?
You can find one-way and return flights from YOW to KGS with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when YOW to KGS ticket fares go up or down.
What is the cheapest month to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Kos (KGS-Kos Island Intl.)?
The cheapest months to fly from YOW to KGS are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Kos (KGS-Kos Island Intl.)?
Enter YOW to KGS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Kos (KGS-Kos Island Intl.)?
To find a cheap flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Kos (KGS-Kos Island Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Kos (KGS-Kos Island Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Kos (KGS-Kos Island Intl.)?
There are around 19 connecting flights per day from Ottawa Macdonald-Cartier Intl. (YOW) to Kos Island Intl. (KGS). Some common connection points include Pearson Intl. (YYZ), Pierre Elliott Trudeau Intl. (YUL), and Washington Dulles Intl. (IAD).
What is the earliest flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Kos (KGS-Kos Island Intl.)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from YOW to KGS. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Kos (KGS-Kos Island Intl.)?
There are no nonstop flights from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Kos (KGS-Kos Island Intl.). Flights with two or more stops typically take around 21 hours 48 minutes to cover the approximately 8,056 kilometers. Keep in mind that actual travel times can vary depending on your specific routing, layover durations, and factors like wind patterns.
Can you fly business or first class from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Kos (KGS-Kos Island Intl.)?
Select the "Business class" and "First class" filters when looking for YOW to KGS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Kos (KGS-Kos Island Intl.) flight with Expedia?
It's easy to earn miles on a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Kos (KGS-Kos Island Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Kos (KGS-Kos Island Intl.) at the last minute?
Typically, booking a last minute flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Kos (KGS-Kos Island Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Kos (KGS-Kos Island Intl.) flight and hotel package?
Securing a Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Kos (KGS-Kos Island Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Kos (KGS-Kos Island Intl.)?
If you booked your Ottawa, ON (YOW-Macdonald-Cartier Intl.) to Kos (KGS-Kos Island Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Macdonald-Cartier Intl.
Destination airport
Kos Island Intl.
Airlines serving
Austrian Airlines, British Airways, Brussels Airlines, Lufthansa, Swiss International Air Lines
Roundtrip price
CA $1,549
Distance
8008 km

Book with confidence

Ottawa to Kos Flights

The easy way to book your flights from Ottawa to Kos 

With Expedia, it’s simple to find and book flights to Kos from Ottawa whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Kos Island Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ottawa to Kos today, tomorrow, or this week.  

 

Save dollars with cheap flights from Macdonald-Cartier Intl., YOW to Kos Island Intl., KGS 

Sort your search results by price to find great deals on your flight from Ottawa to Kos—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Kos from Ottawa currently is just CA $1,549 rising to CA $2,222.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Kos  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Kos from Ottawa 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Kos with Expedia today.

Ottawa to Kos Flights

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*Available to Expedia members.