$46 Cheap Flights to Kos

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How much is the cheapest flight to Kos?

Prices were available within the past 7 days and start at $46 for one-way flights and $87 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aegean
SKY express
Olympic
Lufthansa
Hahn Air Systems

Tips to find the cheapest flights to Kos

The cheapest day to fly

Get started finding a cheap flight to Kos on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

The cheapest month to fly

November is the cheapest month to fly to Kos. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Kos. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute.

The most affordable time to book a flight

Typically, a Sunday can be the cheapest time to book a flight to Kos, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation.

The cheapest round-trip tickets to Kos

The lowest price for round-trip flights to Kos in 2025 starts from from $87, while one-way tickets start from from $46. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Kos. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Kos

Aegean, SKY express, British Airways, easyJet, Olympic, Lufthansa, Hahn Air Systems are just some of the airlines that can typically offer cheap tickets to Kos. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Kos and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Kos, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Kos. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

Save with a package

With Expedia's amazing package deals, you could save hundreds of dollars by booking your Kos plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving.

Date flexibility for the cheapest flights to Kos

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Kos.

Stopover savings

The cheapest tickets to Kos are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Kos. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

Get Expedia's Price Drop Protection

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference*. This gives you peace of mind that you're getting one of the cheapest flights to Kos for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

*Terms apply.

Use our Price Tracking feature

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Kos. Simply download the free Expedia app to your smart device and activate Kos flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

Book with Expedia

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Kos. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

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

What month is the cheapest to fly to Kos?
The best months to find cheap flights to Kos are typically during the off-peak season, when demand is lower. To save money, avoid flying during public holidays and school breaks.
Which US cities fly direct to Kos?
Direct journeys are a great way to take the hassle out of travel. When browsing on Expedia, choose "Direct flights only" and we'll show you the direct options to fly to Kos.
How to find a cheap flight to Kos?
Book early or look for cheap flights to Kos during off-peak months like December and January. Jetting off on a Thursday can also save you 16% on average compared to a Sunday departure.* The Expedia app makes it even easier to know the right time to book. Just turn on the toggle for "Watch prices" and you'll receive a notification as soon as fares go down.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Kos?
Being flexible about your travel plans may help you find last-minute offers on cheap flights to Kos. To see all the available options, consider exploring different ticket types, changing your Kos trip dates, leaving from an alternative airport or going with another carrier.
How far in advance should I book a flight to Kos?
Secure the travel dates you want and a fare your budget will love by booking your domestic flight to Kos up to 28 days in advance. Lock in tickets two to four months ahead if you're jetting to Kos from an international destination.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Kos?
You can save an average of 8% if you purchase tickets on a Sunday rather than Fridays, which tend to be the priciest day to book.* When it comes to scoring a cheap flight to Kos, the key is good timing.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Where do you fly into Kos?
When you're flying to Kos, the main airport for arrivals is Kos Island Intl. Airport (KGS). You can also head to nearby hubs like Kalymnos Island National Airport (JKL), Leros Island Airport (LRS) or Astypalaia Island National Airport (JTY). Another possibility worth keeping in mind when you fly to Kos is Diagoras Airport (RHO).
Can I save money by booking a Kos trip package?
Book a Kos flight and hotel package deal on Expedia, and you could enjoy significant savings. It's a breeze to bundle your accommodations and flights, and you can even add tours and car rentals to create your own customized Kos getaway. Plus, there's nothing like the convenience of booking everything in one place.
Can I change or cancel my flight to Kos?
You can often cancel or change your flight to Kos within 24 hours of booking. However, keep in mind that some flights are non-refundable. In those cases, you may be issued a credit toward a future trip rather than a direct refund. Make sure you check the airline's terms and conditions in your itinerary for specific details. Use Expedia's "No cancel fee" or "Changes included" filters when you search to find cheap flights to Kos with flexible change policies. For more information, head to our Customer Service Portal.
Flights to Kos information
Destination airport
Kos Island Intl.
Destination airport IATA code
KGS
Destination city name
Kos
Roundtrip price
$113

Trending flights to Kos

Prices were available within the past 7 days and start at $46 for one-way flights and $87 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United

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