$138 Cheap Flights from Paris (ORY) to Kos (KGS)

View $138 flight on Sat, Jun 6, 2026Opens in a new window

Popular airlines from Paris Orly Airport (ORY) to Kos (KGS-Kos Island Intl.)

Cheap Flights from Paris to Kos (ORY-KGS)

Prices were available within the past 7 days and start at $138 for one-way flights and $306 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Transavia France
Sat, Jun 20 - Sat, Jun 27
ORY
Paris
KGS
Kos
$306 Roundtrip, found 6 days ago
$306
Roundtrip
found 6 days ago
Select Transavia France flight, departing Sat, Jun 20 from Paris to Kos, returning Sat, Jun 27, priced at $306 found 6 days ago
Transavia France
Sat, Jun 20 - Sat, Jun 27
ORY
Paris
KGS
Kos
$324 Roundtrip, found 1 day ago
$324
Roundtrip
found 1 day ago
Select Transavia France flight, departing Sat, Jun 20 from Paris to Kos, returning Sat, Jun 27, priced at $324 found 1 day ago
ITA Airways
Sat, Jun 20 - Sat, Jun 27
ORY
Paris
KGS
Kos
$1,502 Roundtrip, found 6 days ago
$1,502
Roundtrip
found 6 days ago
Select ITA Airways flight, departing Sat, Jun 20 from Paris to Kos, returning Sat, Jun 27, priced at $1,502 found 6 days ago
Transavia France
Sat, Jun 20 - Sat, Jun 27
ORY
Paris
KGS
Kos
$1,908 Roundtrip, found 6 days ago
$1,908
Roundtrip
found 6 days ago
Select Transavia France flight, departing Sat, Jun 20 from Paris to Kos, returning Sat, Jun 27, priced at $1,908 found 6 days ago
Transavia France
Sat, Jun 20 - Sat, Jun 27
ORY
Paris
KGS
Kos
$1,909 Roundtrip, found 6 days ago
$1,909
Roundtrip
found 6 days ago
Select Transavia France flight, departing Sat, Jun 20 from Paris to Kos, returning Sat, Jun 27, priced at $1,909 found 6 days ago
Transavia France
Sat, Jun 20 - Sat, Jun 27
ORY
Paris
KGS
Kos
$1,927 Roundtrip, found 6 days ago
$1,927
Roundtrip
found 6 days ago
Select Transavia France flight, departing Sat, Jun 20 from Paris to Kos, returning Sat, Jun 27, priced at $1,927 found 6 days ago
Transavia France
Sat, Jun 20 - Sat, Jun 27
ORY
Paris
KGS
Kos
$1,996 Roundtrip, found 6 days ago
$1,996
Roundtrip
found 6 days ago
Select Transavia France flight, departing Sat, Jun 20 from Paris to Kos, returning Sat, Jun 27, priced at $1,996 found 6 days ago
Transavia France
Sat, Jun 20 - Sat, Jun 27
ORY
Paris
KGS
Kos
$1,998 Roundtrip, found 6 days ago
$1,998
Roundtrip
found 6 days ago
Select Transavia France flight, departing Sat, Jun 20 from Paris to Kos, returning Sat, Jun 27, priced at $1,998 found 6 days ago
Transavia France
Sat, Jun 20 - Sat, Jun 27
ORY
Paris
KGS
Kos
$2,130 Roundtrip, found 6 days ago
$2,130
Roundtrip
found 6 days ago
Select Transavia France flight, departing Sat, Jun 20 from Paris to Kos, returning Sat, Jun 27, priced at $2,130 found 6 days ago
Transavia France
Sat, Jun 20 - Sat, Jun 27
ORY
Paris
KGS
Kos
$2,158 Roundtrip, found 6 days ago
$2,158
Roundtrip
found 6 days ago
Select Transavia France flight, departing Sat, Jun 20 from Paris to Kos, returning Sat, Jun 27, priced at $2,158 found 6 days ago
Transavia France
Sat, Jun 20 - Sat, Jun 27
ORY
Paris
KGS
Kos
$2,159 Roundtrip, found 6 days ago
$2,159
Roundtrip
found 6 days ago
Select Transavia France flight, departing Sat, Jun 20 from Paris to Kos, returning Sat, Jun 27, priced at $2,159 found 6 days ago
Flights from Paris (ORY) to Kos (KGS)
Origin airport
Orly
Destination airport
Kos Island Intl.
Airlines serving
Transavia France
Roundtrip price
$306
Distance
1489 mi

Paris to Kos Flights

The cheapest times to fly from Paris to Kos

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Paris to Kos are during the month of June. You can find some of the cheapest flights from Paris to Kos with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Paris to Kos

Sunday is one of the best days to book for cheap flights from Paris to Kos: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Paris to Kos

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Paris to Kos in 2026. You can also book with separate airlines for your outbound and return journeys, from $138 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Paris to Kos flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Paris to Kos airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Orly Airport (ORY) to Kos Island Intl. Airport (KGS) cost?
Snag a cheap one-way flight from $138 or cheap return flight from $306 from Orly Airport (ORY) to Kos Island Intl. Airport (KGS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Orly Airport (ORY) to Kos Island Intl. Airport (KGS)?
June is the least expensive month to fly from ORY to KGS. Avoiding peak travel times is often the key to better flight prices.
What is the cheapest airline that flies from Orly Airport (ORY) to Kos Island Intl. Airport (KGS)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from ORY to KGS. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Orly Airport (ORY) to Kos Island Intl. Airport (KGS)?
You'll need to take a flight with a layover if you're traveling from Orly Airport (ORY) to Kos Island Intl. Airport (KGS). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from ORY to KGS?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from ORY to KGS?
Consider traveling with Transavia France if you'd like to fly straight from Orly Airport (ORY) to Kos Island Intl. Airport (KGS) without any delays. This carrier has the best track record for punctuality, with an on-time performance of 87%. Want to be notified if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Orly Airport (ORY) to Kos Island Intl. Airport (KGS)?
To reach Kos Island Intl. Airport (KGS) without delays, select a flight that leaves Orly Airport (ORY) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Orly Airport (ORY) to Kos Island Intl. Airport (KGS) last-minute?
Booking your flight from ORY to KGS just before your getaway is generally more expensive. However, if you're flexible with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book an ORY to KGS flight and hotel package?
You'll generally save money by securing an ORY to KGS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your ideal flights and accommodations, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Orly Airport (ORY) to Kos Island Intl. Airport (KGS)?
Typically, you can reschedule or cancel your ORY to KGS flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need further information, go to our Customer Service portal.

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*Available to One Key members.