$575 Cheap Swiss International Air Lines flights from Newark Liberty Intl. Airport to Kos (EWR to KGS)
Find The Best Day To Fly from Newark Liberty Intl. Airport to Kos
Amazing Swiss International Air Lines EWR to KGS Flight Deals
The cheapest flights to Kos Island Intl. found within the past 7 days were $842 round trip and $575 one way. Prices and availability subject to change. Additional terms may apply.
KGS From EWR Economy Coach Packages on Similar Airlines
Discover our best Swiss International Air Lines flight from Newark Liberty Intl. Airport EWR to Kos KGS
To find the best deals on flights to Newark Liberty Intl. Airport from Kos with Swiss International Air Lines, just enter your travel dates, filter by Swiss International Air Lines, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from Newark Liberty Intl. Airport EWR to Kos KGS with Swiss International Air Lines
If you’re planning a round trip, booking return flights with Swiss International Air Lines is usually the most cost-effective option. With airfares ranging from $842 to $1,051, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way Swiss International Air Lines flights from Newark Liberty Intl. Airport EWR to Kos KGS
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way Swiss International Air Lines flight from Newark Liberty Intl. Airport to Kos costs from $575. Prices and availability subject to change. Additional terms may apply.
The easy way to find cheap flights to Kos KGS from Newark Liberty Intl. Airport EWR with Swiss International Air Lines
To find a cheap Swiss International Air Lines flight from Newark Liberty Intl. Airport EWR to Kos KGS, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference.
How to find our best airfare deals on Swiss International Air Lines flights from Newark Liberty Intl. Airport EWR to Kos KGS
If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as September, or if you book a flight with a stopover.
Find nonstop flights from Newark Liberty Intl. Airport EWR to Kos KGS with Swiss International Air Lines
If you’re keen to be on Kos soil fast, don’t waste time with a stopover—filter your search results to show direct Swiss International Air Lines flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it.
Flexible airline tickets for Swiss International Air Lines flights from Newark Liberty Intl. Airport EWR to Kos KGS
Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.
There are a lot of reasons to book your flights to Kos KGS from Newark Liberty Intl. Airport EWR with Swiss International Air Lines on Travelocity
At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| ZRH | CHE | Zurich | 9 |
| FRA | DEU | Frankfurt Intl. | 3 |
| PVG | CHN | Pudong Intl. | 3 |
| LHR | GBR | Heathrow | 3 |
| GVA | CHE | Cointrin Intl. | 2 |
| EWR | USA | Liberty Intl. | 2 |
| SIN | SGP | Changi | 2 |
| HND | JPN | Haneda | 1 |
| ARN | SWE | Arlanda | 1 |
| HAM | DEU | Hamburg | 1 |
Travelers ❤️ these 🏨 after their flight to Kos
Neptune Luxury Resort
Fantastic resort - lovely space to walk around with a number of pools and restaurants to choose from. Evening entertainment was available each night. We ate breakfast and dinner in the restaurant which had lots of choice. Relaxing atmosphere.
Reviewed on Nov 23, 2025
Kouros Palace Hotel
Atlantica Belvedere Resort - Adults Only
Really lovely week and would recommend to others. The staff are very helpful and friendly. The resort and rooms are very clean. Great choice of food daily for breakfast, lunch and dinner and the snack bar served lovely Greek food. Around the pool we had no problem gaining a sunbed and it was quite ...
Reviewed on Jul 11, 2025