$588 Cheap Flights from Las Vegas (LAS) to Kos (KGS)

View $588 flight on Tue, Apr 7, 2026Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to Kos (KGS-Kos Island Intl.)

Cheap Flights from Las Vegas to Kos (LAS-KGS)

Prices were available within the past 7 days and start at $588 for one-way flights and $806 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Tue, Apr 7 - Sat, May 2
LAS
Las Vegas
KGS
Kos
$806 Roundtrip, found 4 days ago
$806
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Tue, Apr 7 from Las Vegas to Kos, returning Sat, May 2, priced at $806 found 4 days ago
Swiss International Air Lines
Tue, Apr 7 - Sat, May 2
LAS
Las Vegas
KGS
Kos
$810 Roundtrip, found 4 days ago
$810
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Tue, Apr 7 from Las Vegas to Kos, returning Sat, May 2, priced at $810 found 4 days ago
Swiss International Air Lines
Tue, Apr 7 - Sat, May 2
LAS
Las Vegas
KGS
Kos
$819 Roundtrip, found 4 days ago
$819
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Tue, Apr 7 from Las Vegas to Kos, returning Sat, May 2, priced at $819 found 4 days ago
Swiss International Air Lines
Tue, Apr 7 - Sat, May 2
LAS
Las Vegas
KGS
Kos
$823 Roundtrip, found 4 days ago
$823
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Tue, Apr 7 from Las Vegas to Kos, returning Sat, May 2, priced at $823 found 4 days ago
Swiss International Air Lines
Tue, Apr 7 - Sat, May 2
LAS
Las Vegas
KGS
Kos
$835 Roundtrip, found 4 days ago
$835
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Tue, Apr 7 from Las Vegas to Kos, returning Sat, May 2, priced at $835 found 4 days ago
Swiss International Air Lines
Tue, Apr 7 - Sat, May 2
LAS
Las Vegas
KGS
Kos
$840 Roundtrip, found 4 days ago
$840
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Tue, Apr 7 from Las Vegas to Kos, returning Sat, May 2, priced at $840 found 4 days ago
Air Canada
Wed, Apr 22 - Sat, May 16
LAS
Las Vegas
KGS
Kos
$981 Roundtrip, found 4 days ago
$981
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Apr 22 from Las Vegas to Kos, returning Sat, May 16, priced at $981 found 4 days ago
Lufthansa
Thu, Apr 30 - Sat, May 23
LAS
Las Vegas
KGS
Kos
$986 Roundtrip, found 4 days ago
$986
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Thu, Apr 30 from Las Vegas to Kos, returning Sat, May 23, priced at $986 found 4 days ago
Brussels Airlines
Thu, Apr 30 - Sat, May 23
LAS
Las Vegas
KGS
Kos
$1,146 Roundtrip, found 4 days ago
$1,146
Roundtrip
found 4 days ago
Select Brussels Airlines flight, departing Thu, Apr 30 from Las Vegas to Kos, returning Sat, May 23, priced at $1,146 found 4 days ago
British Airways
Thu, Apr 30 - Sat, May 23
LAS
Las Vegas
KGS
Kos
$1,223 Roundtrip, found 4 days ago
$1,223
Roundtrip
found 4 days ago
Select British Airways flight, departing Thu, Apr 30 from Las Vegas to Kos, returning Sat, May 23, priced at $1,223 found 4 days ago
Flights from Las Vegas (LAS) to Kos (KGS)
Origin airport
Harry Reid Intl.
Destination airport
Kos Island Intl.
Roundtrip price
$805
Distance
6849 mi

Las Vegas to Kos Flights

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

 

The best time to book a flight from Las Vegas to Kos

Sunday is one of the best days to book for cheap flights from Las Vegas 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 Las Vegas 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 Las Vegas to Kos in 2025. You can also book with separate airlines for your outbound and return journeys, from $588 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 Las Vegas 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 Las Vegas 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 Harry Reid Intl. Airport (LAS) to Kos Island Intl. Airport (KGS) cost?
Lock in a cheap one-way flight from $588 or cheap return flight from $806 from Harry Reid Intl. Airport (LAS) to Kos Island Intl. Airport (KGS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Harry Reid Intl. Airport (LAS) to Kos Island Intl. Airport (KGS)?
The cheapest month to fly from LAS to KGS is April, when demand is low. Off-peak season is usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Harry Reid Intl. Airport (LAS) to Kos Island Intl. Airport (KGS)?
To find the cheapest airline that'll fly you from LAS to KGS, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Harry Reid Intl. Airport (LAS) to Kos Island Intl. Airport (KGS)?
Nonstop flights from Harry Reid Intl. Airport (LAS) to Kos Island Intl. Airport (KGS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LAS to KGS?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Kos Island Intl. Airport (KGS)?
Choose a flight from Harry Reid Intl. Airport (LAS) to Kos Island Intl. Airport (KGS) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be 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 Harry Reid Intl. Airport (LAS) to Kos Island Intl. Airport (KGS) last-minute?
Booking your ticket from LAS to KGS just before your getaway is usually more expensive. But if you're flexible with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a LAS to KGS flight and hotel package?
Opting for a LAS to KGS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our impressive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Kos Island Intl. Airport (KGS)?
Typically, you can cancel or modify your LAS to KGS flight. However, additional charges may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like further details, head to our Customer Service portal.

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*Available to One Key members.