KGS

$782 Find Cheap Flights to Kos - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$782
Typical prices: $1,005-$1,459
SWISS
Fri 10/26Thu 11/1
EWR - KGS • 1 stop
Top airlines
Aegean Airlines
Best reviews • 8.1 score
Airline reviews
Airline reviews
Top routes
MIA - KGS
Cheapest • 28% average savings
NYC - KGS
Most popular
Insights
Insights
When to book
26 weeks
in advance
Our data shows that travelers who book at least 26 weeks in advance save around 30% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 51% price drop
July
Most popular
Good to know
+1
Good to know
+1
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We hope you love your trip to Kos!
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Flight Deals

Cheap Flights to Kos

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals to Kos

Mon, Oct 26 - Sun, Nov 1
SWISS Logo
11:00 pm - 9:50 amEWR  Newark-KGS Kos
28h 50m1 stop Zurich
SWISS Logo
10:40 am - 8:30 pmKGS  Kos-EWR Newark
16h 50m1 stop Zurich
$782SWISS
Mon, Oct 26 - Sun, Nov 1
SWISS Logo
10:00 pm - 9:50 amJFK  New York John F Kennedy Intl-KGS Kos
29h 50m1 stop Zurich
SWISS Logo
10:40 am - 2:35 pmKGS  Kos-JFK New York John F Kennedy Intl
58h 55m2 stops Zurich Geneva Geneve-Cointrin
$818SWISS
Mon, Oct 26 - Sun, Nov 1
SWISS Logo
8:35 pm - 9:50 amJFK  New York John F Kennedy Intl-KGS Kos
31h 15m2 stops Geneva Geneve-Cointrin Zurich
SWISS Logo
10:40 am - 2:35 pmKGS  Kos-JFK New York John F Kennedy Intl
58h 55m2 stops Zurich Geneva Geneve-Cointrin
$851SWISS
Tue, Nov 10 - Tue, Nov 17
Multiple Airlines Logo
4:45 pm - 9:15 pmMIA  Miami-KGS Kos
21h 30m3 stops Lisbon Humberto Delgado Rome Fiumicino Athens Eleftherios V.
Multiple Airlines Logo
2:05 pm - 3:00 pmKGS  Kos-MIA Miami
31h 55m3 stops Athens Eleftherios V. Rome Fiumicino Lisbon Humberto Delgado
$866Multiple Airlines
Sun, Oct 11 - Sun, Oct 18
Multiple Airlines Logo
9:45 pm - 8:00 pmJFK  New York John F Kennedy Intl-KGS Kos
15h 15m1 stop Vienna Intl
Multiple Airlines Logo
3:15 pm - 4:35 pmKGS  Kos-JFK New York John F Kennedy Intl
32h 20m1 stop Zurich
$937Multiple Airlines
Mon, Oct 12 - Fri, Nov 6
Multiple Airlines Logo
8:25 pm - 10:05 pmEWR  Newark-KGS Kos
18h 40m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
8:40 pm - 10:10 pmKGS  Kos-EWR Newark
32h 30m3 stops Athens Eleftherios V. Barcelona-El Prat Lisbon Humberto Delgado
$938Multiple Airlines
Fri, Oct 16 - Sun, Oct 25
Multiple Airlines Logo
2:00 pm - 7:35 amJFK  New York John F Kennedy Intl-KGS Kos
34h 35m1 stop Athens Eleftherios V.
Multiple Airlines Logo
4:00 am - 1:25 pmKGS  Kos-JFK New York John F Kennedy Intl
39h 25m2 stops Athens Eleftherios V. Bucharest Otopeni Intl
$940Multiple Airlines
Sun, Oct 11 - Sun, Oct 18
Austrian Airlines Logo
5:40 pm - 8:00 pmEWR  Newark-KGS Kos
19h 20m1 stop Vienna Intl
Austrian Airlines Logo
10:00 am - 1:55 pmKGS  Kos-EWR Newark
34h 55m1 stop Vienna Intl
$942Austrian Airlines
Thu, Oct 15 - Thu, Jan 7
Multiple Airlines Logo
5:25 pm - 10:00 pmBOS  Boston Logan Intl-KGS Kos
21h 35m1 stop Dublin
Multiple Airlines Logo
8:25 am - 2:15 pmKGS  Kos-BOS Boston Logan Intl
36h 50m2 stops Athens Eleftherios V. Dublin
$964Multiple Airlines
Thu, Oct 15 - Thu, Jan 7
Multiple Airlines Logo
9:15 pm - 10:00 pmBOS  Boston Logan Intl-KGS Kos
17h 45m1 stop Dublin
Multiple Airlines Logo
8:25 am - 2:15 pmKGS  Kos-BOS Boston Logan Intl
36h 50m2 stops Athens Eleftherios V. Dublin
$992Multiple Airlines
Booking Insights

Price, demand and travel trends for flights to Kos

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What is the cheapest flight to Kos?

Newark Airport to Kos is the cheapest route at $782 round-trip, found in the past 5 days on KAYAK. New York John F Kennedy Intl Airport to Kos is the most popular connection with round-trip deals from $818.

How much is a flight to Kos?

On average, a round-trip flight from the United States to Kos costs $1,198, based on KAYAK data over the past 12 months. Round-trip fares from Miami average $881, while San Francisco runs a bit higher at $901.

What is the cheapest day to fly to Kos?

Tuesday is the cheapest day to fly to Kos at $1,099 round-trip on average over the past 12 months on KAYAK. Wednesday is the most expensive at $1,358.

What’s the cheapest month to fly to Kos?

•January is the cheapest month to fly to Kos with an average price of $591 round-trip.
•May ($1,391) and June ($1,360) are the most expensive.

Based on KAYAK data over the past 12 months.

What is the cheapest time of day to fly to Kos?

Night flights to Kos are the cheapest at $1,146 round-trip on average. Morning flights are the most expensive at $1,452.

What is a good deal for flights to Kos?

Flights under $1,005 are considered a good deal. 25% of KAYAK users found round-trip flights to Kos at or below these prices, with the lowest fares from:
•Miami $831
•San Francisco $901
•Chicago $933.

When are flights to Kos the cheapest?

Flights to Kos are cheapest 26 weeks before departure. Booking in this window typically costs about 30% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Expert advice

Expert advice for your flight to Kos

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Duncan Madden

Duncan Madden

Expert on British Airways

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Read more
Emily Zemler

Emily Zemler

Expert on SWISS

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Lufthansa

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more

Key details for flights to Kos

Low season

February

Cheapest flight

$782
Beat the crowds with an average 98% drop in travelers.
The most popular month to fly with an average 234% increase in travelers.
Round-trip flight from Newark Airport to Kos

When to book flights to Kos

Are your dates flexible? Find out the best times to travel to Kos based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your questions about flights to Kos, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • How do I know if a flight to Kos is a good deal?

    A good deal on a flight to Kos is around $1,005 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

  • Which city has the cheapest flights to Kos?

    Based on fares booked in the past 5 days, the cheapest flights to Kos are from New York, starting at $782 round-trip.

  • How expensive are last-minute flights to Kos?

    Last-minute fares to Kos (booked within 2 weeks of departure) are typically 9% lower than the average round-trip fare of $1,198. Booking late can sometimes save money, but availability is limited.

  • What is the difference between the most popular and the most frequent airline at Kos?

    American Airlines operates the most flights from the United States to Kos at 0 per week, while SWISS is the airline most often selected by KAYAK users searching for flights from the United States to Kos. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveler choice.

Your guide to booking Kos flights

From booking to airport arrival, find tips to help you plan your flight with more confidence.
  • For the best chance at a low fare to Kos, book around 26 weeks before departure. Based on KAYAK data from the last 12 months, fares are historically about 30% lower during this window than last-minute fares.
  • For flights to Kos, a good round-trip fare is around $1,005. If you find a fare below that, you're getting a strong deal.
  • If your travel dates are flexible, consider flying to Kos in January. Round-trip fares historically average $591, making January the cheapest month to travel based on KAYAK data from the last 12 months.
  • Before you book:

    • Check the route's typical price range so you can spot a deal.
    • Confirm baggage fees and seat-selection costs on budget carriers.
    • Verify whether you need any travel documents beyond ID.
    • Pick a departure airport, since your nearest may not be the cheapest origin.
  • Shift your departure to evening to save up to $306 per round-trip. Evening flights to Kos average $1,146 compared to $1,452 for morning flights.

Traveling to a place near Kos?

Book flights to Kos if you plan to visit one of these locations
Kardamena
Marmari

More options for your flight to Kos