$1,092 Cheap Flights from Houston (HOU) to Kos (KGS)

View $1,092 flight on Sun, Aug 9, 2026Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Kos (KGS-Kos Island Intl.)

Cheap Flights from Houston to Kos (HOU-KGS)

Prices were available within the past 7 days and start at $1,092 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Kos Island Intl. Airport (KGS) cost?
Secure a cheap one-way flight from $1,092 or cheap return flight from William P. Hobby Airport (HOU) 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 William P. Hobby Airport (HOU) to Kos Island Intl. Airport (KGS)?
The cheapest month to fly from HOU to KGS is , when demand is low. Off-peak months are generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from William P. Hobby Airport (HOU) to Kos Island Intl. Airport (KGS)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from HOU to KGS. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from William P. Hobby Airport (HOU) to Kos Island Intl. Airport (KGS)?
You'll have to catch a flight with a layover if you're traveling from William P. Hobby Airport (HOU) to Kos Island Intl. Airport (KGS). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from HOU to KGS?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from William P. Hobby Airport (HOU) to Kos Island Intl. Airport (KGS)?
To avoid possible delays on the William P. Hobby Airport (HOU) to Kos Island Intl. Airport (KGS) route, aim to fly before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**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 William P. Hobby Airport (HOU) to Kos Island Intl. Airport (KGS) last-minute?
Waiting until right before your break to book your flight from HOU to KGS generally means paying more. While you may come across some last-minute deals, there's no guarantee. Keep your travel plans flexible to maximize your chances of landing a bargain.
Is it cheaper to book a HOU to KGS flight and hotel package?
You can save money by booking a HOU 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 selecting your preferred accommodations and flights, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Kos Island Intl. Airport (KGS)?
If you booked your HOU to KGS flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

Travel information

Origin airport
William P. Hobby
Destination airport
Kos Island Intl.
Distance
6519 mi

Book with confidence

Houston to Kos Flights

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

 

The best time to book a flight from Houston to Kos

Sunday is one of the best days to book for cheap flights from Houston 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 Houston 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 Houston to Kos in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,092 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 Houston 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 Houston 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.

 

Houston to Kos Flights

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*Available to One Key members.