How long does it take to fly to Kos?

On average, it takes 17h 05m to fly from United States to Kos if you fly out of Boston (the most popular airport in United States) and into Kos (the most popular airport in Kos). If you’re flying out of New York and into Kos, then the flight time is around 17h 10m.

When did momondo last update prices for flights from United States to Kos Airport?

Prices for flights from United States to Kos Airport are refreshed on a daily basis.

How many operators does momondo search for flights from United States to Kos Airport?

As of October 2026, there are 2 operators available to choose from for flights from United States to Kos Airport.

How old do you have to be to fly from United States to Kos Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Kos Airport.

What documentation or ID do you need to fly to Kos Airport?

The travel and health documents required for your trip to Kos Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kos Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$494 Cheap Flights from the United States to Kos in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United States to Kos

Round-trip

One-way

Last minute

Recent round-trip flight deals from the United States to Kos

Enter your travel dates to find the best prices.

1:25 am - 1:35 pmEWR Newark-KGS Kos

30h 10m2 stops Istanbul Athens Eleftherios V.

9:45 pm - 10:30 pmKGS Kos-EWR Newark

31h 45m2 stops Athens Eleftherios V. Istanbul

$977Multiple Airlines

Mon, Oct 26 - Tue, Nov 10

7:25 pm - 8:00 pmJFK New York John F Kennedy Intl-KGS Kos

41h 35m2 stops Geneva Geneve-Cointrin Zurich

5:20 pm - 3:00 pmKGS Kos-JFK New York John F Kennedy Intl

28h 40m2 stops Brussels Bruxelles-National Munich Franz Josef Strauss

$990Multiple Airlines

Thu, Apr 1 - Fri, Apr 30

1:45 am - 1:40 pmEWR Newark-KGS Kos

29h 55m3 stops Porto Lisbon Humberto Delgado London Heathrow

9:45 pm - 9:00 pmKGS Kos-EWR Newark

30h 15m2 stops Athens Eleftherios V. Paris Charles de Gaulle

$993Multiple Airlines

Mon, Oct 26 - Tue, Nov 10

1:45 am - 1:40 pmEWR Newark-KGS Kos

29h 55m3 stops Porto Lisbon Humberto Delgado London Heathrow

8:35 pm - 9:00 pmKGS Kos-EWR Newark

31h 25m3 stops Athens Eleftherios V. Bucharest Otopeni Intl Warsaw Frederic Chopin

$1,008Multiple Airlines

Mon, Oct 26 - Tue, Nov 10

7:25 pm - 8:00 pmJFK New York John F Kennedy Intl-KGS Kos

41h 35m2 stops Geneva Geneve-Cointrin Zurich

5:20 pm - 1:00 pmKGS Kos-JFK New York John F Kennedy Intl

26h 40m1 stop Brussels Bruxelles-National

$1,011Multiple Airlines

Thu, Apr 1 - Fri, Apr 30

11:55 pm - 9:15 pmEWR Newark-KGS Kos

15h 20m1 stop Athens Eleftherios V.

12:00 pm - 9:10 pmKGS Kos-EWR Newark

16h 10m1 stop Athens Eleftherios V.

$1,089Multiple Airlines

Tue, Oct 27 - Tue, Nov 10

1:20 am - 11:30 amJFK New York John F Kennedy Intl-KGS Kos

27h 10m2 stops Istanbul Athens Eleftherios V.

8:25 am - 10:25 pmKGS Kos-JFK New York John F Kennedy Intl

21h 00m2 stops Athens Eleftherios V. Istanbul

$1,090Multiple Airlines

Fri, Nov 6 - Sat, Nov 14

1:45 pm - 8:00 pmSFO San Francisco-KGS Kos

20h 15m2 stops Munich Franz Josef Strauss Zurich

11:25 am - 12:40 pmKGS Kos-SFO San Francisco

59h 15m2 stops Brussels Bruxelles-National Frankfurt am Main

$1,091Multiple Airlines

Fri, Apr 9 - Sun, Apr 25

4:40 pm - 3:45 pmJFK New York John F Kennedy Intl-KGS Kos

16h 05m2 stops Rome Fiumicino Athens Eleftherios V.

8:35 pm - 5:50 pmKGS Kos-JFK New York John F Kennedy Intl

28h 15m3 stops Athens Eleftherios V. Barcelona-El Prat Madrid Barajas

$1,109Multiple Airlines

Sat, Nov 7 - Sat, Nov 14

9:50 pm - 7:00 pmEWR Newark-KGS Kos

15h 10m1 stop Munich Franz Josef Strauss

8:35 pm - 1:30 pmKGS Kos-EWR Newark

23h 55m2 stops Athens Eleftherios V. Zurich

$1,123Multiple Airlines

Tue, Oct 27 - Tue, Nov 10

Recent last minute flight deals from the United States to Kos

Enter your travel dates to find the best prices.

5:30 pm - 7:45 pmLAX Los Angeles-KGS Kos

16h 15m1 stop Munich Franz Josef Strauss

8:30 pm - 4:30 pmKGS Kos-LAX Los Angeles

30h 00m1 stop Zurich

$1,101Multiple Airlines

Fri, Oct 16 - Tue, Oct 20

5:30 pm - 7:45 pmLAX Los Angeles-KGS Kos

16h 15m1 stop Munich Franz Josef Strauss

8:30 pm - 7:54 pmKGS Kos-LAX Los Angeles

33h 24m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

$1,111Multiple Airlines

Fri, Oct 16 - Tue, Oct 20

2:19 pm - 7:45 pmLAX Los Angeles-KGS Kos

19h 26m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

8:30 pm - 7:54 pmKGS Kos-LAX Los Angeles

33h 24m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

$1,116Multiple Airlines

Fri, Oct 16 - Tue, Oct 20

11:55 pm - 12:35 amEWR Newark-KGS Kos

17h 40m1 stop Athens Eleftherios V.

7:50 am - 9:20 pmKGS Kos-EWR Newark

20h 30m1 stop Athens Eleftherios V.

$1,218Aegean Airlines

Sun, Oct 18 - Wed, Oct 21

8:15 am - 7:45 pmLAX Los Angeles-KGS Kos

25h 30m3 stops Montreal Pierre Elliott Trudeau Intl Milan Malpensa Munich Franz Josef Strauss

8:30 pm - 4:20 pmKGS Kos-LAX Los Angeles

29h 50m3 stops Zurich Milan Malpensa Frankfurt am Main

$1,276Multiple Airlines

Fri, Oct 16 - Tue, Oct 20

1:50 pm - 11:00 pmLAX Los Angeles-KGS Kos

23h 10m2 stops Amsterdam Schiphol Birmingham

1:20 pm - 12:25 pmKGS Kos-LAX Los Angeles

33h 05m3 stops London Gatwick Bogotá El Dorado San Salvador El Salvador Intl

$1,629Multiple Airlines

Fri, Oct 16 - Tue, Oct 20

4:55 pm - 8:45 pmJFK New York John F Kennedy Intl-KGS Kos

20h 50m2 stops Madrid Barajas London Gatwick

9:45 pm - 6:55 pmKGS Kos-JFK New York John F Kennedy Intl

28h 10m2 stops London Gatwick Madrid Barajas

$1,898British Airways

Sun, Oct 18 - Wed, Oct 21

4:55 pm - 8:45 pmJFK New York John F Kennedy Intl-KGS Kos

20h 50m2 stops Madrid Barajas London Gatwick

9:45 pm - 6:55 pmKGS Kos-JFK New York John F Kennedy Intl

28h 10m2 stops London Gatwick Madrid Barajas

$2,058British Airways

Sun, Oct 18 - Wed, Oct 21

4:55 pm - 8:45 pmJFK New York John F Kennedy Intl-KGS Kos

20h 50m2 stops Madrid Barajas London Gatwick

9:45 pm - 6:55 pmKGS Kos-JFK New York John F Kennedy Intl

28h 10m2 stops London Gatwick Madrid Barajas

$2,059British Airways

Sun, Oct 18 - Wed, Oct 21

5:00 pm - 8:45 pmIAD Washington, D.C. Dulles Intl-KGS Kos

20h 45m2 stops Madrid Barajas London Gatwick

9:45 pm - 6:55 pmKGS Kos-IAD Washington, D.C. Dulles Intl

28h 10m2 stops London Gatwick Madrid Barajas

$3,530British Airways

Sun, Oct 18 - Wed, Oct 21

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Emirates flights from United States to Kos

Our best Emirates deals on United States to Kos flight tickets

Emirates

Nov 2

JFK11:00 pmNew York John F Kennedy Intl

38h 05m

2 stops

KGS8:05 pmKos

Nov 28

KGS2:05 pmKos

59h 50m

3 stops

JFK6:55 pmNew York John F Kennedy Intl

$2,218

Emirates

Nov 2

JFK10:20 pmNew York John F Kennedy Intl

38h 45m

3 stops

KGS8:05 pmKos

Nov 28

KGS2:05 pmKos

59h 50m

3 stops

JFK6:55 pmNew York John F Kennedy Intl

$3,908

British Airways flights from United States to Kos

Our best British Airways deals on United States to Kos flight tickets

British Airways

Oct 18

JFK4:55 pmNew York John F Kennedy Intl

20h 50m

2 stops

KGS8:45 pmKos

Oct 21

KGS9:45 pmKos

28h 10m

2 stops

JFK6:55 pmNew York John F Kennedy Intl

$1,898

British Airways

Oct 18

JFK4:55 pmNew York John F Kennedy Intl

20h 50m

2 stops

KGS8:45 pmKos

Oct 21

KGS9:45 pmKos

28h 10m

2 stops

JFK6:55 pmNew York John F Kennedy Intl

$2,058

British Airways

Oct 18

JFK4:55 pmNew York John F Kennedy Intl

20h 50m

2 stops

KGS8:45 pmKos

Oct 21

KGS9:45 pmKos

28h 10m

2 stops

JFK6:55 pmNew York John F Kennedy Intl

$2,059

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkKos

EWR Newark - KGS Kos

EWRKGS

Newark

Mon 10/26

1:25 am-1:35 pm

2 stops30h 10m

Kos

Tue 11/10

9:45 pm-10:30 pm

2 stops31h 45m

$977

New YorkKos

JFK New York John F Kennedy Intl - KGS Kos

JFKKGS

New York John F Kennedy Intl

Thu 4/1

7:25 pm-8:00 pm

2 stops41h 35m

Kos

Fri 4/30

5:20 pm-3:00 pm

2 stops28h 40m

$990

NewarkKos

EWR Newark - KGS Kos

EWRKGS

Newark

Mon 10/26

1:45 am-1:40 pm

3 stops29h 55m

Kos

Tue 11/10

9:45 pm-9:00 pm

2 stops30h 15m

$993

NewarkKos

EWR Newark - KGS Kos

EWRKGS

Newark

Mon 10/26

1:45 am-1:40 pm

3 stops29h 55m

Kos

Tue 11/10

8:35 pm-9:00 pm

3 stops31h 25m

$1,008

New YorkKos

JFK New York John F Kennedy Intl - KGS Kos

JFKKGS

New York John F Kennedy Intl

Thu 4/1

7:25 pm-8:00 pm

2 stops41h 35m

Kos

Fri 4/30

5:20 pm-1:00 pm

1 stop26h 40m

$1,011

Quickest round-trip

NewarkKos

EWR Newark - KGS Kos

EWRKGS

Newark

Tue 10/27

11:55 pm-9:15 pm

1 stop15h 20m

Kos

Tue 11/10

12:00 pm-9:10 pm

1 stop16h 10m

$1,089

New YorkKos

JFK New York John F Kennedy Intl - KGS Kos

JFKKGS

New York John F Kennedy Intl

Fri 11/6

1:20 am-11:30 am

2 stops27h 10m

Kos

Sat 11/14

8:25 am-10:25 pm

2 stops21h 00m

$1,090

San FranciscoKos

SFO San Francisco - KGS Kos

SFOKGS

San Francisco

Fri 4/9

1:45 pm-8:00 pm

2 stops20h 15m

Kos

Sun 4/25

11:25 am-12:40 pm

2 stops59h 15m

$1,091

New YorkKos

JFK New York John F Kennedy Intl - KGS Kos

JFKKGS

New York John F Kennedy Intl

Sat 11/7

4:40 pm-3:45 pm

2 stops16h 05m

Kos

Sat 11/14

8:35 pm-5:50 pm

3 stops28h 15m

$1,109

NewarkKos

EWR Newark - KGS Kos

EWRKGS

Newark

Tue 10/27

9:50 pm-7:00 pm

1 stop15h 10m

Kos

Tue 11/10

8:35 pm-1:30 pm

2 stops23h 55m

$1,123

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from United States to Kos

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Other information

Can stopping save me money on United States to Kos flights?

You could potentially save up to 5% on your flight if you consider stops on a United States to Kos flight.

Cheap United States to Kos flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Kos

Best Price Found	$494
Fastest flight time	13h 15m
Direct flights	None

The best one-way flight to Kos from United States in the past 72 hours is $494. The best round-trip flight deal from United States to Kos found on momondo in the last 72 hours is $977.

The fastest flight from United States to Kos takes 13h 15m

There are no direct flights from United States to Kos. There are no popular flight routes from United States to Kos.

Search flight deals

Frequently asked questions about flying from the United States to Kos

When did momondo last update prices for flights from United States to Kos Airport?
Prices for flights from United States to Kos Airport are refreshed on a daily basis.
How many operators does momondo search for flights from United States to Kos Airport?
As of October 2026, there are 2 operators available to choose from for flights from United States to Kos Airport.
How old do you have to be to fly from United States to Kos Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Kos Airport.
What documentation or ID do you need to fly to Kos Airport?
The travel and health documents required for your trip to Kos Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kos Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from United States to Kos

Compare and see reviews for airlines that fly from United States to Kos with momondo

Airline	Rating	Free Cancellation	Price
SWISS	PriceFrom $779	Free Cancellation	Rating 7.5 2,099 reviews		Search SWISS flights
Lufthansa	PriceFrom $922	Free Cancellation	Rating 6.8 8,272 reviews		Search Lufthansa flights

Marmari

Kardamena

Why use momondo?

Why should I use momondo to find a flight deal from United States to Kos?

Finding the right flight to Kos from United States is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Kos quick and easy, saving you time and money.

Can I find flights from United States to Kos with flexible booking policies on momondo?

Yes. All flights to Kos from United States on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from United States to Kos?

momondo provides multiple filters to help you find the best flight to Kos from United States. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from United States to Kos right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Kos from United States. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Kos trip

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Cheap flights from the United States to Kos from $494

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Kos departing on 3/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Emirates flights from United States to Kos

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British Airways flights from United States to Kos

Our best British Airways deals on United States to Kos flight tickets

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How to get the cheapest flight ticket from United States to Kos

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Cheap United States to Kos flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from the United States to Kos

Best airlines flying from United States to Kos

Compare and see reviews for airlines that fly from United States to Kos with momondo

Traveling to a place near Kos?

Why use momondo?

An easier way to manage your Kos trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Greece

Airports servicing South Aegean

Fly your favorite airline to Kos

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Kos

List of cabin classes available on flights landing in Kos. Availability may vary depending on flight origin and airline.

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