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£108 Cheap Flights from Budapest (BUD) to Kos (KGS)

View £108 flight on Mon, 21 Sept 2026Opens in a new window

Popular airlines from Ferenc Liszt Intl. Airport (BUD) to Kos (KGS-Kos Island Intl.)

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Cheap Flights from Budapest (BUD) to Kos (KGS)

Prices were available within the past 7 days and start at £108 for one-way flights and £184 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Tue, 25 Aug - Wed, 2 Sept
BUD
Budapest
KGS
Kos
£184 Return, found 16 hours ago
£184
Return
found 16 hours ago
Select Swiss International Air Lines flight, departing Tue, 25 Aug from Budapest to Kos, returning Wed, 2 Sept, priced at £184 found 16 hours ago
Austrian Airlines
Mon, 21 Sept - Mon, 28 Sept
BUD
Budapest
KGS
Kos
£190 Return, found 1 day ago
£190
Return
found 1 day ago
Select Austrian Airlines flight, departing Mon, 21 Sept from Budapest to Kos, returning Mon, 28 Sept, priced at £190 found 1 day ago
Austrian Airlines
Mon, 21 Sept - Mon, 28 Sept
BUD
Budapest
KGS
Kos
£197 Return, found 1 day ago
£197
Return
found 1 day ago
Select Austrian Airlines flight, departing Mon, 21 Sept from Budapest to Kos, returning Mon, 28 Sept, priced at £197 found 1 day ago
Swiss International Air Lines
Thu, 10 Sept - Tue, 15 Sept
BUD
Budapest
KGS
Kos
£197 Return, found 2 days ago
£197
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Thu, 10 Sept from Budapest to Kos, returning Tue, 15 Sept, priced at £197 found 2 days ago
Austrian Airlines
Mon, 21 Sept - Mon, 28 Sept
BUD
Budapest
KGS
Kos
£212 Return, found 1 day ago
£212
Return
found 1 day ago
Select Austrian Airlines flight, departing Mon, 21 Sept from Budapest to Kos, returning Mon, 28 Sept, priced at £212 found 1 day ago
Lufthansa
Tue, 25 Aug - Wed, 2 Sept
BUD
Budapest
KGS
Kos
£216 Return, found 16 hours ago
£216
Return
found 16 hours ago
Select Lufthansa flight, departing Tue, 25 Aug from Budapest to Kos, returning Wed, 2 Sept, priced at £216 found 16 hours ago
Lufthansa
Tue, 25 Aug - Wed, 2 Sept
BUD
Budapest
KGS
Kos
£219 Return, found 16 hours ago
£219
Return
found 16 hours ago
Select Lufthansa flight, departing Tue, 25 Aug from Budapest to Kos, returning Wed, 2 Sept, priced at £219 found 16 hours ago
Aegean
Mon, 21 Sept - Mon, 28 Sept
BUD
Budapest
KGS
Kos
£226 Return, found 1 day ago
£226
Return
found 1 day ago
Select Aegean flight, departing Mon, 21 Sept from Budapest to Kos, returning Mon, 28 Sept, priced at £226 found 1 day ago
Austrian Airlines
Thu, 13 Aug - Thu, 20 Aug
BUD
Budapest
KGS
Kos
£230 Return, found 11 hours ago
£230
Return
found 11 hours ago
Select Austrian Airlines flight, departing Thu, 13 Aug from Budapest to Kos, returning Thu, 20 Aug, priced at £230 found 11 hours ago
Brussels Airlines
Tue, 25 Aug - Wed, 2 Sept
BUD
Budapest
KGS
Kos
£236 Return, found 16 hours ago
£236
Return
found 16 hours ago
Select Brussels Airlines flight, departing Tue, 25 Aug from Budapest to Kos, returning Wed, 2 Sept, priced at £236 found 16 hours ago

Frequently asked questions

How much does a flight from Budapest (BUD-Ferenc Liszt Intl.) to Kos (KGS-Kos Island Intl.) cost?
You can find one-way and return flights from BUD 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 BUD to KGS ticket fares go up or down.
What is the cheapest month to fly from Budapest (BUD-Ferenc Liszt Intl.) to Kos (KGS-Kos Island Intl.)?
The cheapest months to fly from BUD 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 Budapest (BUD-Ferenc Liszt Intl.) to Kos (KGS-Kos Island Intl.)?
Enter BUD to KGS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Budapest (BUD-Ferenc Liszt Intl.) to Kos (KGS-Kos Island Intl.)?
Aegean is one of the cheapest airlines offering connecting return flights from Budapest (BUD-Ferenc Liszt Intl.) to Kos (KGS-Kos Island Intl.), with tickets starting from around £278 for flights that can be booked for departure within the next year. These prices are per adult for economy/coach class. 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.
How do I find cheap flights from Budapest (BUD-Ferenc Liszt Intl.) to Kos (KGS-Kos Island Intl.)?
To find a cheap flight from Budapest (BUD-Ferenc Liszt 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 Budapest (BUD-Ferenc Liszt 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 Budapest (BUD-Ferenc Liszt Intl.) to Kos (KGS-Kos Island Intl.)?
There are approximately 13 connecting flights per day from Budapest (BUD-Ferenc Liszt Intl.) to Kos (KGS-Kos Island Intl.). Some common connection points include Franz Josef Strauss Intl. (MUC), Frankfurt Intl. (FRA), and Eleftherios Venizelos (ATH).
What is the earliest flight from Budapest (BUD-Ferenc Liszt Intl.) to Kos (KGS-Kos Island Intl.)?
The earliest flight from Budapest (BUD) to Kos (KGS) typically departs around 9:45 AM local time. This route is a seasonal service, active only in May, and is operated by airlines such as LOT-Polish Airlines and Sky Express. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Budapest (BUD-Ferenc Liszt Intl.) to Kos (KGS-Kos Island Intl.)?
You'll typically find the most flights from Budapest (BUD) to Kos (KGS) on a Monday, with around 9 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Lufthansa, LOT-Polish Airlines, and Austrian Airlines.
What are the most popular departure times for flights from Budapest (BUD-Ferenc Liszt Intl.) to Kos (KGS-Kos Island Intl.)?
The most popular departure times for flights from Budapest (BUD-Ferenc Liszt Intl.) to Kos (KGS-Kos Island Intl.) are between 9am and 12pm. Many major carriers, including Austrian Airlines, Lufthansa and LOT-Polish Airlines, offer flights during this window. Many travellers prefer this time as it allows for a relaxed morning before heading to the airport, and you'll arrive at your destination with plenty of time to settle in.
How long does it take to fly from Budapest (BUD-Ferenc Liszt Intl.) to Kos (KGS-Kos Island Intl.)?
There are no nonstop flights from Budapest (BUD-Ferenc Liszt Intl.) to Kos (KGS-Kos Island Intl.). For flights with one stop, you can expect the journey to take around 4 hours 48 minutes. If your flight has two or more stops, the travel time will be longer, typically around 22 hours 30 minutes. The distance covered on this route is approximately 1,345 kilometers. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and wind patterns.
Can you fly business or first class from Budapest (BUD-Ferenc Liszt Intl.) to Kos (KGS-Kos Island Intl.)?
Yes, you can fly business class between BUD and KGS. Airlines that offer business class service on this route include:

  • Austrian Airlines

How do I earn miles on a Budapest (BUD-Ferenc Liszt Intl.) to Kos (KGS-Kos Island Intl.) flight with Expedia?
It's easy to earn miles on a Budapest (BUD-Ferenc Liszt 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.
What airports do you fly into for Kos (KGS) from Budapest (BUD)?
If you're planning to travel to Kos from Ferenc Liszt Intl. (BUD), you can fly directly into Kos Island Intl. (KGS). Some flights may connect through major hubs like Frankfurt Intl. (FRA), Frederic Chopin (WAW), or Franz Josef Strauss Intl. (MUC) before reaching Kos. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Budapest (BUD-Ferenc Liszt Intl.) to Kos (KGS-Kos Island Intl.) at the last minute?
Typically, booking a last minute flight from Budapest (BUD-Ferenc Liszt 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 Budapest (BUD-Ferenc Liszt Intl.) to Kos (KGS-Kos Island Intl.) flight and hotel package?
Securing a Budapest (BUD-Ferenc Liszt 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 Budapest (BUD-Ferenc Liszt Intl.) to Kos (KGS-Kos Island Intl.)?
If you booked your Budapest (BUD-Ferenc Liszt 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
Ferenc Liszt Intl.
Destination airport
Kos Island Intl.
Airlines serving
Aegean, Austrian Airlines, Brussels Airlines, Condor, Lufthansa, Swiss International Air Lines
Return price
£183
Distance
1336 km

Book with confidence

Compare flights from Budapest to Kos easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Budapest to Kos. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Kos Island Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Ferenc Liszt Intl. to Kos Island Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Ferenc Liszt Intl. (BUD) to Kos Island Intl. (KGS)

The easiest way to view the best deals on flights from Budapest to Kos today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Ferenc Liszt Intl. to Kos Island Intl. start at just £184 and range up to £236.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Budapest and Kos
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Budapest to Kos flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Ferenc Liszt Intl. to Kos Island Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Budapest to Kos easily and book with confidence

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*Available to Expedia members.