$975 Cheap Flights from Rochester (ROC) to Kos (KGS)

View $975 flight on Wed, Jun 10, 2026Opens in a new window

Popular airlines from Greater Rochester Intl. Airport (ROC) to Kos (KGS-Kos Island Intl.)

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Cheap Flights from Rochester to Kos (ROC-KGS)

Prices were available within the past 7 days and start at $975 for one-way flights and $1,333 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jun 10 - Mon, Jun 15
ROC
Rochester
KGS
Kos
$1,333 Roundtrip, found 5 days ago
$1,333
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jun 10 from Rochester to Kos, returning Mon, Jun 15, priced at $1,333 found 5 days ago
United
Wed, Jun 10 - Mon, Jun 15
ROC
Rochester
KGS
Kos
$1,353 Roundtrip, found 5 days ago
$1,353
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jun 10 from Rochester to Kos, returning Mon, Jun 15, priced at $1,353 found 5 days ago
United
Wed, Jun 10 - Mon, Jun 15
ROC
Rochester
KGS
Kos
$1,369 Roundtrip, found 5 days ago
$1,369
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jun 10 from Rochester to Kos, returning Mon, Jun 15, priced at $1,369 found 5 days ago
United
Wed, Jun 10 - Mon, Jun 15
ROC
Rochester
KGS
Kos
$1,377 Roundtrip, found 5 days ago
$1,377
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jun 10 from Rochester to Kos, returning Mon, Jun 15, priced at $1,377 found 5 days ago
United
Wed, Jun 10 - Mon, Jun 15
ROC
Rochester
KGS
Kos
$1,389 Roundtrip, found 5 days ago
$1,389
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jun 10 from Rochester to Kos, returning Mon, Jun 15, priced at $1,389 found 5 days ago
United
Wed, Jun 10 - Mon, Jun 15
ROC
Rochester
KGS
Kos
$1,396 Roundtrip, found 5 days ago
$1,396
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jun 10 from Rochester to Kos, returning Mon, Jun 15, priced at $1,396 found 5 days ago
United
Wed, Jun 10 - Mon, Jun 15
ROC
Rochester
KGS
Kos
$1,396 Roundtrip, found 5 days ago
$1,396
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jun 10 from Rochester to Kos, returning Mon, Jun 15, priced at $1,396 found 5 days ago
United
Wed, Jun 10 - Mon, Jun 15
ROC
Rochester
KGS
Kos
$1,397 Roundtrip, found 5 days ago
$1,397
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jun 10 from Rochester to Kos, returning Mon, Jun 15, priced at $1,397 found 5 days ago
Lufthansa
Wed, Jun 10 - Mon, Jun 15
ROC
Rochester
KGS
Kos
$1,437 Roundtrip, found 5 days ago
$1,437
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Wed, Jun 10 from Rochester to Kos, returning Mon, Jun 15, priced at $1,437 found 5 days ago
British Airways
Wed, Jun 10 - Mon, Jun 15
ROC
Rochester
KGS
Kos
$1,459 Roundtrip, found 5 days ago
$1,459
Roundtrip
found 5 days ago
Select British Airways flight, departing Wed, Jun 10 from Rochester to Kos, returning Mon, Jun 15, priced at $1,459 found 5 days ago

Frequently asked questions

How much does a flight from Greater Rochester Intl. Airport (ROC) to Kos Island Intl. Airport (KGS) cost?
Secure a cheap one-way flight from $975 or cheap return flight from $1,333 from Greater Rochester Intl. Airport (ROC) to Kos Island Intl. Airport (KGS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Greater Rochester Intl. Airport (ROC) to Kos Island Intl. Airport (KGS)?
The cheapest month to fly from ROC to KGS is June, when demand is low. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Greater Rochester Intl. Airport (ROC) to Kos Island Intl. Airport (KGS)?
To find the cheapest airline that'll fly you from ROC to KGS, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Greater Rochester Intl. Airport (ROC) to Kos Island Intl. Airport (KGS)?
You'll need to catch a flight with a layover when traveling from Greater Rochester Intl. Airport (ROC) to Kos Island Intl. Airport (KGS). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from ROC to KGS?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Greater Rochester Intl. Airport (ROC) to Kos Island Intl. Airport (KGS)?
To avoid possible delays on the Greater Rochester Intl. Airport (ROC) to Kos Island Intl. Airport (KGS) route, fly before 3 PM. Later flights 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 Greater Rochester Intl. Airport (ROC) to Kos Island Intl. Airport (KGS) last-minute?
Waiting until just before your trip to book a ticket from ROC to KGS often results in higher prices. While you may find some last-minute discounts, they aren't always guaranteed. Allow some flexibility in your schedule for the best chance of getting a bargain.
Is it cheaper to book a ROC to KGS flight and hotel package?
You can save money by securing a ROC to KGS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've chosen your preferred accommodations and flights, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Greater Rochester Intl. Airport (ROC) to Kos Island Intl. Airport (KGS)?
Usually, it's possible to reschedule or cancel your ROC to KGS flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Greater Rochester Intl.
Destination airport
Kos Island Intl.
Roundtrip price
$1,333
Distance
5174 mi

Book with confidence

Rochester to Kos Flights

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

 

The best time to book a flight from Rochester to Kos

Sunday is one of the best days to book for cheap flights from Rochester 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 Rochester 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 Rochester to Kos in 2025. You can also book with separate airlines for your outbound and return journeys, from $975 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 Rochester 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 Rochester 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.

 

Rochester to Kos Flights

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