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Cheap flights from the United States to Kos from $282

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 9/1. 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
12:30 am - 11:15 pm
JFK
-
KGS
15h 45m
1 stop
Multiple Airlines Logo
11:40 pm - 10:30 pm
KGS
-
JFK
29h 50m
1 stop
$740Multiple Airlines
Sun, Jul 12 - Mon, Jul 20
Multiple Airlines Logo
12:30 am - 11:15 pm
JFK
-
KGS
15h 45m
1 stop
Multiple Airlines Logo
11:40 am - 10:30 pm
KGS
-
JFK
17h 50m
1 stop
$750Multiple Airlines
Sun, Jun 21 - Fri, Jul 17
Multiple Airlines Logo
12:30 am - 11:15 pm
JFK
-
KGS
15h 45m
1 stop
Multiple Airlines Logo
11:40 pm - 10:30 pm
KGS
-
JFK
29h 50m
1 stop
$762Multiple Airlines
Sun, Jul 12 - Mon, Jul 20
Austrian Airlines Logo
5:40 pm - 8:20 pm
EWR
-
KGS
19h 40m
1 stop
Austrian Airlines Logo
10:05 am - 1:20 pm
KGS
-
EWR
34h 15m
2 stops
$822Austrian Airlines
Wed, Sep 2 - Tue, Sep 8
Austrian Airlines Logo
5:25 pm - 8:20 pm
EWR
-
KGS
19h 55m
2 stops
Austrian Airlines Logo
10:05 am - 1:20 pm
KGS
-
EWR
34h 15m
2 stops
$842Austrian Airlines
Wed, Sep 2 - Tue, Sep 8
SWISS Logo
9:45 pm - 8:00 pm
EWR
-
KGS
15h 15m
1 stop
SWISS Logo
8:30 pm - 8:15 pm
KGS
-
EWR
30h 45m
1 stop
$848SWISS
Fri, Sep 4 - Tue, Sep 8
SWISS Logo
9:45 pm - 8:00 pm
EWR
-
KGS
15h 15m
1 stop
SWISS Logo
11:00 am - 3:35 pm
KGS
-
EWR
35h 35m
2 stops
$883SWISS
Fri, Sep 4 - Mon, Sep 7
Lufthansa Logo
3:35 pm - 8:50 am
LAX
-
KGS
31h 15m
2 stops
Lufthansa Logo
9:40 am - 8:18 pm
KGS
-
LAX
20h 38m
2 stops
$960Lufthansa
Thu, Sep 3 - Sat, Sep 12
Lufthansa Logo
6:50 pm - 7:05 pm
SEA
-
KGS
14h 15m
1 stop
Lufthansa Logo
7:55 pm - 4:59 pm
KGS
-
SEA
31h 04m
1 stop
$994Lufthansa
Tue, Jul 7 - Wed, Jul 15
Brussels Airlines Logo
8:00 am - 10:30 am
SEA
-
KGS
40h 30m
2 stops
Brussels Airlines Logo
11:25 am - 9:07 pm
KGS
-
SEA
43h 42m
2 stops
$1,043Brussels Airlines
Sun, Jul 5 - Mon, Jul 13

Austrian Airlines flights from United States to Kos

Our best Austrian Airlines deals on United States to Kos flight tickets
Austrian Airlines
Sep 2
EWR5:40 pmNewark
19h 40m
1 stop
KGS8:20 pmKos
Sep 8
KGS10:05 amKos
34h 15m
2 stops
EWR1:20 pmNewark
$822
Austrian Airlines
Sep 2
EWR5:25 pmNewark
19h 55m
2 stops
KGS8:20 pmKos
Sep 8
KGS10:05 amKos
34h 15m
2 stops
EWR1:20 pmNewark
$842
Austrian Airlines
Sep 3
EWR5:40 pmNewark
20h 10m
1 stop
KGS8:50 pmKos
Sep 7
KGS8:50 pmKos
48h 18m
2 stops
EWR2:08 pmNewark
$877

SWISS flights from United States to Kos

Our best SWISS deals on United States to Kos flight tickets
SWISS
Sep 4
EWR9:45 pmNewark
15h 15m
1 stop
KGS8:00 pmKos
Sep 8
KGS8:30 pmKos
30h 45m
1 stop
EWR8:15 pmNewark
$848
SWISS
Sep 4
EWR9:45 pmNewark
15h 15m
1 stop
KGS8:00 pmKos
Sep 7
KGS11:00 amKos
35h 35m
2 stops
EWR3:35 pmNewark
$883
SWISS
Sep 3
JFK7:25 pmNew York John F Kennedy Intl
41h 35m
2 stops
KGS8:00 pmKos
Sep 8
KGS8:30 pmKos
27h 05m
1 stop
JFK4:35 pmNew York John F Kennedy Intl
$888

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 May 26, 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

Cheapest round-trip

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Sun 7/12

12:30 am-11:15 pm

1 stop15h 45m

Kos

Mon 7/20

11:40 pm-10:30 pm

1 stop29h 50m

$740
Quickest round-trip

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Sun 6/21

12:30 am-11:15 pm

1 stop15h 45m

Kos

Fri 7/17

11:40 am-10:30 pm

1 stop17h 50m

$750

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Sun 7/12

12:30 am-11:15 pm

1 stop15h 45m

Kos

Mon 7/20

11:40 pm-10:30 pm

1 stop29h 50m

$762

NewarkKos

EWR - KGS

EWRKGS

Newark

Wed 9/2

5:40 pm-8:20 pm

1 stop19h 40m

Kos

Tue 9/8

10:05 am-1:20 pm

2 stops34h 15m

$822

NewarkKos

EWR - KGS

EWRKGS

Newark

Wed 9/2

5:25 pm-8:20 pm

2 stops19h 55m

Kos

Tue 9/8

10:05 am-1:20 pm

2 stops34h 15m

$842

NewarkKos

EWR - KGS

EWRKGS

Newark

Fri 9/4

9:45 pm-8:00 pm

1 stop15h 15m

Kos

Tue 9/8

8:30 pm-8:15 pm

1 stop30h 45m

$848

NewarkKos

EWR - KGS

EWRKGS

Newark

Fri 9/4

9:45 pm-8:00 pm

1 stop15h 15m

Kos

Mon 9/7

11:00 am-3:35 pm

2 stops35h 35m

$883

Los AngelesKos

LAX - KGS

LAXKGS

Los Angeles

Thu 9/3

3:35 pm-8:50 am

2 stops31h 15m

Kos

Sat 9/12

9:40 am-8:18 pm

2 stops20h 38m

$960

SeattleKos

SEA - KGS

SEAKGS

Seattle/Tacoma Intl

Tue 7/7

6:50 pm-7:05 pm

1 stop14h 15m

Kos

Wed 7/15

7:55 pm-4:59 pm

1 stop31h 04m

$994

SeattleKos

SEA - KGS

SEAKGS

Seattle/Tacoma Intl

Sun 7/5

8:00 am-10:30 am

2 stops40h 30m

Kos

Mon 7/13

11:25 am-9:07 pm

2 stops43h 42m

$1,043

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 22% 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

14h 49m

Direct flights

None
The fastest flight from United States to Kos takes 14h 49m
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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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?

  • 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
7.5
1,958 reviews
Search SWISS flights
LufthansaPriceFrom $579Free CancellationRating
6.8
8,029 reviews
Search Lufthansa 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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