$608 Cheap Flights from Kos (KGS) to Houston (IAH)

View $608 flight on Wed, Jul 29, 2026Opens in a new window

Popular airlines from Kos (KGS-Kos Island Intl.) to George Bush Intercontinental Airport (IAH)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Kos to Houston (KGS-IAH)

Prices were available within the past 7 days and start at $608 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Kos (KGS) to Houston (IAH)
Origin airport
Kos Island Intl.
Destination airport
George Bush Intercontinental
Distance
6505 mi

Kos to Houston Flights

The cheapest times to fly from Kos to Houston

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

 

The best time to book a flight from Kos to Houston

Sunday is one of the best days to book for cheap flights from Kos to Houston: 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 Kos to Houston

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 Kos to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $608 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 Kos to Houston 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 Kos to Houston 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 is a flight from Kos Island Intl. Airport (KGS) to Houston Airport?
Round-trip journeys between KGS and George Bush Intercontinental Airport (IAH) start from . This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book now to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from KGS to George Bush Intercontinental Airport (IAH)?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from KGS to George Bush Intercontinental Airport (IAH) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Kos Airport to IAH flights, you'll see a "no change fees" filter for you to select.
How far is the flight from KGS to Houston Airport?
Kos to Houston is around 6526 mi, so get ready to spend quite a while in the air. Make sure you pack all the essentials, from your hoodie to your headphones. Throw in some snacks to munch on throughout your trip too.
Which airlines fly direct from Kos Airport to IAH?
Flying directly between Kos Airport and George Bush Intercontinental Airport (IAH) isn't possible at present. However, you'll still be able to book a flight to Houston with at least one stop.
Are KGS to IAH flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes nab a bargain, with some of the cheapest airfares from Kos Island Intl. Airport (KGS) to Houston Airport appearing a few weeks before the date of departure. If you'd rather plan ahead, Expedia compares and updates the best flight deals regularly — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines publish prices so far in advance.

Explore a world of travel with Expedia

*Available to One Key members.