$32 Cheap Flights from Zagreb (ZAG) to Kos (KGS)

View $32 flight on Fri, Jun 5, 2026Opens in a new window

Popular airlines from Zagreb Airport (ZAG) to Kos (KGS-Kos Island Intl.)

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Cheap Flights from Zagreb to Kos (ZAG-KGS)

Prices were available within the past 7 days and start at $32 for one-way flights and $61 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Fri, Jun 19 - Fri, Jun 26
ZAG
Zagreb
KGS
Kos
$61 Roundtrip, found 10 hours ago
$61
Roundtrip
found 10 hours ago
Select Ryanair flight, departing Fri, Jun 19 from Zagreb to Kos, returning Fri, Jun 26, priced at $61 found 10 hours ago
Ryanair
Fri, Jul 31 - Fri, Aug 7
ZAG
Zagreb
KGS
Kos
$86 Roundtrip, found 12 hours ago
$86
Roundtrip
found 12 hours ago
Select Ryanair flight, departing Fri, Jul 31 from Zagreb to Kos, returning Fri, Aug 7, priced at $86 found 12 hours ago
Ryanair
Fri, Jul 17 - Fri, Jul 24
ZAG
Zagreb
KGS
Kos
$95 Roundtrip, found 3 days ago
$95
Roundtrip
found 3 days ago
Select Ryanair flight, departing Fri, Jul 17 from Zagreb to Kos, returning Fri, Jul 24, priced at $95 found 3 days ago
Ryanair
Fri, Jul 10 - Thu, Jul 16
ZAG
Zagreb
KGS
Kos
$98 Roundtrip, found 15 hours ago
$98
Roundtrip
found 15 hours ago
Select Ryanair flight, departing Fri, Jul 10 from Zagreb to Kos, returning Thu, Jul 16, priced at $98 found 15 hours ago
Ryanair
Fri, Jun 5 - Mon, Jun 8
ZAG
Zagreb
KGS
Kos
$103 Roundtrip, found 11 hours ago
$103
Roundtrip
found 11 hours ago
Select Ryanair flight, departing Fri, Jun 5 from Zagreb to Kos, returning Mon, Jun 8, priced at $103 found 11 hours ago
Ryanair
Fri, Jun 19 - Mon, Jun 22
ZAG
Zagreb
KGS
Kos
$110 Roundtrip, found 14 hours ago
$110
Roundtrip
found 14 hours ago
Select Ryanair flight, departing Fri, Jun 19 from Zagreb to Kos, returning Mon, Jun 22, priced at $110 found 14 hours ago
Brussels Airlines
Fri, Jun 19 - Fri, Jun 26
ZAG
Zagreb
KGS
Kos
$228 Roundtrip, found 10 hours ago
$228
Roundtrip
found 10 hours ago
Select Brussels Airlines flight, departing Fri, Jun 19 from Zagreb to Kos, returning Fri, Jun 26, priced at $228 found 10 hours ago
Lufthansa
Fri, Jun 19 - Fri, Jun 26
ZAG
Zagreb
KGS
Kos
$230 Roundtrip, found 10 hours ago
$230
Roundtrip
found 10 hours ago
Select Lufthansa flight, departing Fri, Jun 19 from Zagreb to Kos, returning Fri, Jun 26, priced at $230 found 10 hours ago
Austrian Airlines
Thu, Jun 4 - Mon, Jun 8
ZAG
Zagreb
KGS
Kos
$331 Roundtrip, found 1 hour ago
$331
Roundtrip
found 1 hour ago
Select Austrian Airlines flight, departing Thu, Jun 4 from Zagreb to Kos, returning Mon, Jun 8, priced at $331 found 1 hour ago
Aegean
Mon, Jun 8 - Sat, Jun 13
ZAG
Zagreb
KGS
Kos
$338 Roundtrip, found 6 hours ago
$338
Roundtrip
found 6 hours ago
Select Aegean flight, departing Mon, Jun 8 from Zagreb to Kos, returning Sat, Jun 13, priced at $338 found 6 hours ago

Frequently asked questions

How much does a flight from Zagreb (ZAG) to Kos (KGS-Kos Island Intl.) cost?
You can find cheap one-way flights from $32 and cheap return flights from $61 ZAG 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 ZAG to KGS ticket fares go up or down.
What is the cheapest month to fly from Zagreb (ZAG) to Kos (KGS-Kos Island Intl.)?
The cheapest month to fly from ZAG to KGS is June 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're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Zagreb (ZAG) to Kos (KGS-Kos Island Intl.)?
Ryanair offers around 7 weekly direct flights from ZAG to KGS.
What is the cheapest airline that flies from Zagreb (ZAG) to Kos (KGS-Kos Island Intl.)?
Aegean, Lufthansa and Croatia Airlines are just some of the carriers that fly from Zagreb (ZAG) to Kos (KGS-Kos Island Intl.). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Zagreb (ZAG) to Kos (KGS-Kos Island Intl.)?
To find a cheap flight from Zagreb (ZAG) 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 Zagreb (ZAG) 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 Zagreb (ZAG) to Kos (KGS-Kos Island Intl.)?
You can find approximately 1 nonstop flights per day from (ZAG) to Kos Island Intl. (KGS). For more options, look at flights that include layovers.
What is the earliest flight from Zagreb (ZAG) to Kos (KGS-Kos Island Intl.)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from ZAG 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 Zagreb (ZAG) to Kos (KGS-Kos Island Intl.)?
Flying nonstop from ZAG to KGS takes around 2 hours 20 minutes, with the route covering approximately 840 miles. Flights with a layover typically take 9 hours 40 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Zagreb (ZAG) to Kos (KGS-Kos Island Intl.)?
Select the "Business class" and "First class" filters when looking for ZAG 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 Zagreb (ZAG) to Kos (KGS-Kos Island Intl.) flight with Expedia?
It's easy to earn miles on a Zagreb (ZAG) 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 Zagreb (ZAG) to Kos (KGS-Kos Island Intl.) at the last minute?
Typically, booking a last minute flight from Zagreb (ZAG) 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 Zagreb (ZAG) to Kos (KGS-Kos Island Intl.) flight and hotel package?
Securing a Zagreb (ZAG) to Kos (KGS-Kos Island Intl.) Kos Vacation Packages 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 Zagreb (ZAG) to Kos (KGS-Kos Island Intl.)?
If you booked your Zagreb (ZAG) 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
Zagreb
Destination airport
Kos Island Intl.
Airlines serving
Aegean, Austrian Airlines, Brussels Airlines, Ryanair, Swiss International Air Lines
Roundtrip price
$61
Distance
840 mi

Book with confidence

Zagreb to Kos Flights

The cheapest times to fly from Zagreb 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 Zagreb to Kos are during the month of June. You can find some of the cheapest flights from Zagreb to Kos with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Zagreb to Kos

Sunday is one of the best days to book for cheap flights from Zagreb 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 Zagreb 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 Zagreb to Kos in 2026. You can also book with separate airlines for your outbound and return journeys, from $32 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 Zagreb 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 Zagreb 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.

 

Zagreb to Kos Flights

*Flight schedules are subject to change.

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*Available to One Key members.