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Cheap flights from the United States to Kos from $419

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 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from the United States to Kos

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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:40 pm - 12:40 pm
JFK
-
KGS
14h 00m
1 stop
Multiple Airlines Logo
8:40 pm - 12:50 pm
KGS
-
JFK
23h 10m
1 stop
$728Multiple Airlines
Tue, Jul 28 - Wed, Aug 19
SWISS Logo
7:25 pm - 10:10 am
JFK
-
KGS
31h 45m
2 stops
SWISS Logo
8:40 pm - 12:50 pm
KGS
-
JFK
23h 10m
1 stop
$772SWISS
Tue, Jul 28 - Wed, Aug 19
Multiple Airlines Logo
10:30 am - 4:10 pm
EWR
-
KGS
23h 40m
2 stops
Multiple Airlines Logo
6:05 pm - 1:55 pm
KGS
-
EWR
26h 50m
2 stops
$774Multiple Airlines
Sun, Mar 22 - Sun, Mar 29
Multiple Airlines Logo
11:05 am - 4:10 pm
EWR
-
KGS
23h 05m
3 stops
Multiple Airlines Logo
6:05 pm - 1:55 pm
KGS
-
EWR
26h 50m
2 stops
$783Multiple Airlines
Sun, Mar 22 - Sun, Mar 29
Multiple Airlines Logo
6:10 pm - 4:25 pm
JFK
-
KGS
15h 15m
1 stop
Multiple Airlines Logo
11:15 am - 8:05 pm
KGS
-
JFK
15h 50m
1 stop
$807Multiple Airlines
Thu, Jul 2 - Mon, Sep 7
Lufthansa Logo
5:30 pm - 8:50 am
JFK
-
KGS
32h 20m
2 stops
Lufthansa Logo
11:15 am - 8:05 pm
KGS
-
JFK
15h 50m
1 stop
$821Lufthansa
Thu, Jul 2 - Mon, Sep 7
Lufthansa Logo
3:40 pm - 7:05 pm
JFK
-
KGS
20h 25m
2 stops
Lufthansa Logo
7:55 pm - 8:05 pm
KGS
-
JFK
31h 10m
2 stops
$825Lufthansa
Tue, Jul 28 - Wed, Aug 19
British Airways Logo
8:13 am - 8:45 pm
LGA
-
KGS
29h 32m
2 stops
British Airways Logo
9:45 pm - 7:29 am
KGS
-
LGA
40h 44m
2 stops
$1,360British Airways
Tue, Jul 28 - Wed, Aug 19
Emirates Logo
11:15 am - 4:10 pm
IAD
-
KGS
22h 55m
2 stops
Emirates Logo
12:35 pm - 9:00 am
KGS
-
IAD
26h 25m
2 stops
$1,713Emirates
Sun, Mar 22 - Thu, Mar 26
Emirates Logo
11:15 am - 4:10 pm
IAD
-
KGS
22h 55m
2 stops
Emirates Logo
12:35 pm - 9:00 am
KGS
-
IAD
26h 25m
2 stops
$1,756Emirates
Sun, Mar 22 - Thu, Mar 26

Aegean Airlines flights from United States to Kos

Our best Aegean Airlines deals on United States to Kos flight tickets
Aegean Airlines
Feb 15
EWR11:45 pmNewark
25h 20m
1 stop
KGS8:05 amKos
Mar 30
KGS1:05 pmKos
15h 15m
1 stop
EWR9:20 pmNewark
$1,101
Aegean Airlines
Feb 15
EWR11:45 pmNewark
25h 20m
1 stop
KGS8:05 amKos
Apr 1
KGS6:05 pmKos
34h 15m
1 stop
EWR9:20 pmNewark
$1,102
Aegean Airlines
Feb 21
EWR11:45 pmNewark
29h 20m
1 stop
KGS12:05 pmKos
Mar 31
KGS9:20 amKos
19h 00m
1 stop
EWR9:20 pmNewark
$1,151

Emirates flights from United States to Kos

Our best Emirates deals on United States to Kos flight tickets
Emirates
Feb 18
EWR11:45 pmNewark
34h 20m
1 stop
KGS5:05 pmKos
Mar 30
KGS1:05 pmKos
15h 15m
1 stop
EWR9:20 pmNewark
$1,004
Emirates
Feb 18
EWR11:45 pmNewark
34h 20m
1 stop
KGS5:05 pmKos
Apr 2
KGS1:05 pmKos
15h 15m
1 stop
EWR9:20 pmNewark
$1,005
Emirates
May 7
EWR11:55 pmNewark
17h 40m
1 stop
KGS12:35 amKos
May 11
KGS6:05 pmKos
34h 15m
1 stop
EWR9:20 pmNewark
$1,020

momondo Fare Finder

 
Customize your flight search to find flights from United States to Kos that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 10, 2026.
Use the filters below to find and compare flights from the United States to Kos that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Tue 7/28

3:40 pm-12:40 pm

1 stop14h 00m

Kos

Wed 8/19

8:40 pm-12:50 pm

1 stop23h 10m

$728

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Tue 7/28

7:25 pm-10:10 am

2 stops31h 45m

Kos

Wed 8/19

8:40 pm-12:50 pm

1 stop23h 10m

$772

NewarkKos

EWR - KGS

EWRKGS

Newark

Sun 3/22

10:30 am-4:10 pm

2 stops23h 40m

Kos

Sun 3/29

6:05 pm-1:55 pm

2 stops26h 50m

$774

NewarkKos

EWR - KGS

EWRKGS

Newark

Sun 3/22

11:05 am-4:10 pm

3 stops23h 05m

Kos

Sun 3/29

6:05 pm-1:55 pm

2 stops26h 50m

$783

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Thu 7/2

6:10 pm-4:25 pm

1 stop15h 15m

Kos

Mon 9/7

11:15 am-8:05 pm

1 stop15h 50m

$807

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Thu 7/2

5:30 pm-8:50 am

2 stops32h 20m

Kos

Mon 9/7

11:15 am-8:05 pm

1 stop15h 50m

$821

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Tue 7/28

3:40 pm-7:05 pm

2 stops20h 25m

Kos

Wed 8/19

7:55 pm-8:05 pm

2 stops31h 10m

$825

New YorkKos

LGA - KGS

LGAKGS

New York LaGuardia

Tue 7/28

8:13 am-8:45 pm

2 stops29h 32m

Kos

Wed 8/19

9:45 pm-7:29 am

2 stops40h 44m

$1,360

Washington, D.C.Kos

IAD - KGS

IADKGS

Washington, D.C. Dulles Intl

Sun 3/22

11:15 am-4:10 pm

2 stops22h 55m

Kos

Thu 3/26

12:35 pm-9:00 am

2 stops26h 25m

$1,713

Washington, D.C.Kos

IAD - KGS

IADKGS

Washington, D.C. Dulles Intl

Sun 3/22

11:15 am-4:10 pm

2 stops22h 55m

Kos

Thu 3/26

12:35 pm-9:00 am

2 stops26h 25m

$1,756

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Kos from

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

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

You could potentially save up to 30% 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

Fastest flight time

13h 45m

Direct flights

None
The fastest flight from United States to Kos takes 13h 45m
There are no direct flights from United States to Kos. There are no popular flight routes from United States to Kos.
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  • 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?

  • 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
SWISSPriceFrom $501Free CancellationRating
7.6
1,868 reviews
Search SWISS flights
LufthansaPriceFrom $602Free CancellationRating
6.8
7,777 reviews
Search Lufthansa flights
British AirwaysPriceFrom $730Free CancellationRating
6.7
7,724 reviews
Search British Airways flights

Traveling to a place near Kos?

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

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.

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