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Cheap flights from the United States to Kos from $552

This is the cheapest round-trip 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 4/29. 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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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
9:50 pm - 4:25 pm
JFK
-
KGS
35h 35m2 stops
Multiple Airlines Logo
11:15 am - 1:20 pm
KGS
-
JFK
33h 05m1 stop
$552Multiple Airlines
Wed, Apr 29 - Mon, May 11
Multiple Airlines Logo
7:10 pm - 8:05 am
LAX
-
KGS
26h 55m2 stops
Multiple Airlines Logo
9:05 pm - 1:05 pm
KGS
-
LAX
26h 00m2 stops
$569Multiple Airlines
Sun, Jan 25 - Sun, Feb 1
Multiple Airlines Logo
1:15 am - 9:55 pm
JFK
-
KGS
13h 40m1 stop
Multiple Airlines Logo
4:15 pm - 11:25 am
KGS
-
JFK
26h 10m1 stop
$582Multiple Airlines
Sun, Apr 26 - Tue, May 12
Multiple Airlines Logo
1:15 am - 9:55 pm
JFK
-
KGS
13h 40m1 stop
Multiple Airlines Logo
10:25 pm - 11:55 am
KGS
-
JFK
20h 30m1 stop
$595Multiple Airlines
Sun, Apr 26 - Thu, May 14
Multiple Airlines Logo
1:55 pm - 8:05 am
JFK
-
KGS
11h 10m1 stop
Multiple Airlines Logo
4:15 pm - 11:25 am
KGS
-
JFK
26h 10m1 stop
$597Multiple Airlines
Tue, Apr 28 - Tue, May 12
SWISS Logo
9:50 pm - 10:15 am
EWR
-
KGS
29h 25m1 stop
SWISS Logo
11:00 am - 8:10 pm
KGS
-
EWR
16h 10m1 stop
$687SWISS
Tue, Apr 28 - Mon, May 11
SWISS Logo
10:00 pm - 10:15 am
EWR
-
KGS
29h 15m2 stops
SWISS Logo
11:00 am - 8:10 pm
KGS
-
EWR
16h 10m1 stop
$807SWISS
Tue, Apr 28 - Mon, May 11
Emirates Logo
7:45 pm - 5:05 pm
ORD
-
KGS
37h 20m2 stops
Emirates Logo
12:35 pm - 2:55 pm
KGS
-
ORD
34h 20m2 stops
$1,802Emirates
Wed, Feb 4 - Sun, Feb 8
Emirates Logo
4:05 pm - 4:50 pm
SEA
-
KGS
38h 45m2 stops
Emirates Logo
12:35 pm - 12:35 pm
KGS
-
SEA
34h 00m2 stops
$1,813Emirates
Fri, Jan 23 - Tue, Jan 27
British Airways Logo
1:34 pm - 8:45 pm
MCO
-
KGS
24h 11m2 stops
British Airways Logo
1:45 pm - 11:38 pm
KGS
-
MCO
40h 53m2 stops
$13,228British Airways
Wed, Jun 3 - Fri, Jul 3

Emirates flights from United States to Kos

Our best Emirates deals on United States to Kos flight tickets
Emirates
Mar 22
EWR11:55 pmNewark
34h 15m
1 stop
KGS4:10 pmKos
Mar 28
KGS12:35 pmKos
14h 45m
1 stop
EWR9:20 pmNewark
$1,022
Find similar
Emirates
Feb 6
EWR11:45 pmNewark
34h 20m
1 stop
KGS5:05 pmKos
Feb 13
KGS12:35 pmKos
15h 35m
1 stop
EWR9:10 pmNewark
$1,113
Find similar
Emirates
Feb 4
ORD7:45 pmChicago O'Hare Intl
37h 20m
2 stops
KGS5:05 pmKos
Feb 8
KGS12:35 pmKos
34h 20m
2 stops
ORD2:55 pmChicago O'Hare Intl
$1,802
Find similar

Brussels Airlines flights from United States to Kos

Our best Brussels Airlines deals on United States to Kos flight tickets
Brussels Airlines
Apr 29
JFK9:50 pmNew York John F Kennedy Intl
35h 35m
2 stops
KGS4:25 pmKos
May 10
KGS11:15 amKos
32h 45m
1 stop
JFK1:00 pmNew York John F Kennedy Intl
$673
Find similar
Brussels Airlines
Apr 30
EWR5:35 pmNewark
15h 50m
2 stops
KGS4:25 pmKos
May 10
KGS11:15 amKos
32h 50m
1 stop
EWR1:05 pmNewark
$925
Find similar
Brussels Airlines
Apr 30
EWR8:25 amNewark
25h 00m
2 stops
KGS4:25 pmKos
May 10
KGS11:15 amKos
32h 20m
2 stops
EWR12:35 pmNewark
$943
Find similar

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 December 11, 2025.
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

Wed 4/29

9:50 pm-4:25 pm

2 stops35h 35m

Kos

Mon 5/11

11:15 am-1:20 pm

1 stop33h 05m

$552

Los AngelesKos

LAX - KGS

LAXKGS

Los Angeles

Sun 1/25

7:10 pm-8:05 am

2 stops26h 55m

Kos

Sun 2/1

9:05 pm-1:05 pm

2 stops26h 00m

$569

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Sun 4/26

1:15 am-9:55 pm

1 stop13h 40m

Kos

Tue 5/12

4:15 pm-11:25 am

1 stop26h 10m

$582

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Sun 4/26

1:15 am-9:55 pm

1 stop13h 40m

Kos

Thu 5/14

10:25 pm-11:55 am

1 stop20h 30m

$595

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Tue 4/28

1:55 pm-8:05 am

1 stop11h 10m

Kos

Tue 5/12

4:15 pm-11:25 am

1 stop26h 10m

$597

NewarkKos

EWR - KGS

EWRKGS

Newark

Tue 4/28

9:50 pm-10:15 am

1 stop29h 25m

Kos

Mon 5/11

11:00 am-8:10 pm

1 stop16h 10m

$687

NewarkKos

EWR - KGS

EWRKGS

Newark

Tue 4/28

10:00 pm-10:15 am

2 stops29h 15m

Kos

Mon 5/11

11:00 am-8:10 pm

1 stop16h 10m

$807

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

Wed 2/4

7:45 pm-5:05 pm

2 stops37h 20m

Kos

Sun 2/8

12:35 pm-2:55 pm

2 stops34h 20m

$1,802

SeattleKos

SEA - KGS

SEAKGS

Seattle/Tacoma Intl

Fri 1/23

4:05 pm-4:50 pm

2 stops38h 45m

Kos

Tue 1/27

12:35 pm-12:35 pm

2 stops34h 00m

$1,813

OrlandoKos

MCO - KGS

MCOKGS

Orlando

Wed 6/3

1:34 pm-8:45 pm

2 stops24h 11m

Kos

Fri 7/3

1:45 pm-11:38 pm

2 stops40h 53m

$13,228

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

What is the cheapest day to depart on your flight to Kos?

The cheapest day to depart from United States to Kos is on a Sunday when prices can be found for as low as $976. On the other hand, Saturday is the most expensive day to depart from United States because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,196.

What is the cheapest time of day to depart on your flight to Kos?

Flying to Kos from United States in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,047 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,072 on average. Flights to Kos from United States in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

14h 48m

Direct flights

None
The fastest flight from United States to Kos takes 14h 48m
There are no direct flights from United States to Kos. There are no popular flight routes from United States to Kos.
Search flight deals

  • 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
1,810 reviews
Search SWISS flights
LufthansaPriceFrom $602Free CancellationRating
6.8
7,626 reviews
Search Lufthansa flights
British AirwaysPriceFrom $730Free CancellationRating
6.7
7,571 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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