$136 Cheap Flights from Budapest (BUD) to Kos (KGS)

View $136 flight on Fri, Aug 28, 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 to Kos (BUD-KGS)

Prices were available within the past 7 days and start at $136 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Budapest (BUD) to Kos (KGS)
Origin airport
Ferenc Liszt Intl.
Destination airport
Kos Island Intl.
Distance
835 mi

Budapest to Kos Flights

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

 

The best time to book a flight from Budapest to Kos

Sunday is one of the best days to book for cheap flights from Budapest 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 Budapest 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 Budapest to Kos in 2025. You can also book with separate airlines for your outbound and return journeys, from $136 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 Budapest 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 Budapest 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 Ferenc Liszt Intl. Airport (BUD) to Kos Island Intl. Airport (KGS) cost?
Lock in a cheap one-way flight from $136 or cheap return flight from Ferenc Liszt Intl. Airport (BUD) to Kos Island Intl. Airport (KGS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Ferenc Liszt Intl. Airport (BUD) to Kos Island Intl. Airport (KGS)?
The cheapest month to fly from BUD to KGS is , when there's less demand. Off-peak season is typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Ferenc Liszt Intl. Airport (BUD) to Kos Island Intl. Airport (KGS)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest BUD to KGS flight.
How many flights per day from Ferenc Liszt Intl. Airport (BUD) to Kos Island Intl. Airport (KGS)?
There are no daily nonstop flights departing from Ferenc Liszt Intl. Airport (BUD) to Kos Island Intl. Airport (KGS). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from BUD to KGS?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ferenc Liszt Intl. Airport (BUD) to Kos Island Intl. Airport (KGS)?
To arrive at Kos Island Intl. Airport (KGS) on time, select a flight that takes off from Ferenc Liszt Intl. Airport (BUD) 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 Ferenc Liszt Intl. Airport (BUD) to Kos Island Intl. Airport (KGS) last-minute?
Waiting until just before your departure to book a ticket from BUD to KGS often results in higher prices. Although you may find some last-minute offers, they aren't always guaranteed. Keep your travel schedule open to boost your chances of scoring a bargain.
Is it cheaper to book a BUD to KGS flight and hotel package?
Compared with arranging flights and hotels separately, booking a BUD to KGS flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place will take the stress out of travel planning. Just pick your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Ferenc Liszt Intl. Airport (BUD) to Kos Island Intl. Airport (KGS)?
In most instances, you can cancel or reschedule your BUD to KGS flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want further information, go to our Customer Service portal.

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*Available to One Key members.