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Cheap flights from the United States to Kos from $410

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 9/4. 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
1 adult, Economy, 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
6:50 am - 8:05 am
JFK
-
KGS
18h 15m
2 stops
Multiple Airlines Logo
8:35 am - 10:55 am
KGS
-
JFK
33h 20m
2 stops
$761Multiple Airlines
Tue, Sep 1 - Thu, Sep 17
Multiple Airlines Logo
1:25 pm - 5:30 pm
JFK
-
KGS
21h 05m
1 stop
Multiple Airlines Logo
9:20 am - 11:25 am
KGS
-
JFK
33h 05m
1 stop
$821Multiple Airlines
Tue, Sep 1 - Thu, Sep 17
Multiple Airlines Logo
9:05 pm - 8:15 pm
JFK
-
KGS
16h 10m
1 stop
Multiple Airlines Logo
4:40 pm - 7:10 pm
KGS
-
JFK
33h 30m
2 stops
$891Multiple Airlines
Sat, Aug 15 - Thu, Sep 3
SWISS Logo
9:45 pm - 10:20 am
EWR
-
KGS
29h 35m
1 stop
SWISS Logo
8:40 pm - 8:15 pm
KGS
-
EWR
30h 35m
1 stop
$912SWISS
Tue, May 5 - Wed, May 13
SWISS Logo
9:45 pm - 10:20 am
EWR
-
KGS
29h 35m
1 stop
SWISS Logo
11:10 am - 8:15 pm
KGS
-
EWR
16h 05m
1 stop
$914SWISS
Tue, May 5 - Thu, May 14
British Airways Logo
7:00 pm - 1:30 pm
TPA
-
KGS
35h 30m
1 stop
British Airways Logo
9:40 pm - 5:00 pm
KGS
-
TPA
26h 20m
1 stop
$1,123British Airways
Sun, Sep 27 - Thu, Oct 1
Austrian Airlines Logo
8:15 am - 8:50 pm
LAX
-
KGS
26h 35m
2 stops
Austrian Airlines Logo
9:25 pm - 3:15 pm
KGS
-
LAX
27h 50m
2 stops
$1,156Austrian Airlines
Thu, Sep 3 - Sat, Sep 12
British Airways Logo
5:59 pm - 8:45 pm
LGA
-
KGS
19h 46m
2 stops
British Airways Logo
2:20 pm - 7:29 am
KGS
-
LGA
24h 09m
2 stops
$1,158British Airways
Sun, Jul 12 - Tue, Aug 4
Lufthansa Logo
5:55 pm - 12:40 pm
TPA
-
KGS
35h 45m
1 stop
Lufthansa Logo
9:45 am - 3:55 pm
KGS
-
TPA
37h 10m
1 stop
$1,315Lufthansa
Mon, Jul 27 - Mon, Aug 17
Austrian Airlines Logo
11:30 am - 9:15 am
DEN
-
KGS
36h 45m
2 stops
Austrian Airlines Logo
8:50 pm - 5:55 pm
KGS
-
DEN
30h 05m
2 stops
$1,394Austrian Airlines
Sun, Sep 6 - Mon, Sep 14

SWISS flights from United States to Kos

Our best SWISS deals on United States to Kos flight tickets
SWISS
May 5
EWR9:45 pmNewark
29h 35m
1 stop
KGS10:20 amKos
May 13
KGS8:40 pmKos
30h 35m
1 stop
EWR8:15 pmNewark
$912
SWISS
May 5
EWR9:45 pmNewark
29h 35m
1 stop
KGS10:20 amKos
May 14
KGS11:10 amKos
16h 05m
1 stop
EWR8:15 pmNewark
$914
SWISS
May 5
JFK7:25 pmNew York John F Kennedy Intl
31h 55m
2 stops
KGS10:20 amKos
May 14
KGS11:10 amKos
36h 25m
1 stop
JFK4:35 pmNew York John F Kennedy Intl
$948

Lufthansa flights from United States to Kos

Our best Lufthansa deals on United States to Kos flight tickets
Lufthansa
May 6
EWR8:30 pmNewark
53h 20m
2 stops
KGS8:50 amKos
May 13
KGS1:30 pmKos
36h 15m
2 stops
EWR6:45 pmNewark
$1,117
Lufthansa
Jul 27
TPA5:55 pmTampa
35h 45m
1 stop
KGS12:40 pmKos
Aug 17
KGS9:45 amKos
37h 10m
1 stop
TPA3:55 pmTampa
$1,315
Lufthansa
Sep 22
IAD10:20 pmWashington, D.C. Dulles Intl
13h 45m
1 stop
KGS7:05 pmKos
Sep 28
KGS9:45 amKos
34h 50m
1 stop
IAD1:35 pmWashington, D.C. Dulles Intl
$1,317

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 April 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

Cheapest round-trip

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Tue 9/1

6:50 am-8:05 am

2 stops18h 15m

Kos

Thu 9/17

8:35 am-10:55 am

2 stops33h 20m

$761

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Tue 9/1

1:25 pm-5:30 pm

1 stop21h 05m

Kos

Thu 9/17

9:20 am-11:25 am

1 stop33h 05m

$821

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Sat 8/15

9:05 pm-8:15 pm

1 stop16h 10m

Kos

Thu 9/3

4:40 pm-7:10 pm

2 stops33h 30m

$891

NewarkKos

EWR - KGS

EWRKGS

Newark

Tue 5/5

9:45 pm-10:20 am

1 stop29h 35m

Kos

Wed 5/13

8:40 pm-8:15 pm

1 stop30h 35m

$912

NewarkKos

EWR - KGS

EWRKGS

Newark

Tue 5/5

9:45 pm-10:20 am

1 stop29h 35m

Kos

Thu 5/14

11:10 am-8:15 pm

1 stop16h 05m

$914

TampaKos

TPA - KGS

TPAKGS

Tampa

Sun 9/27

7:00 pm-1:30 pm

1 stop35h 30m

Kos

Thu 10/1

9:40 pm-5:00 pm

1 stop26h 20m

$1,123

Los AngelesKos

LAX - KGS

LAXKGS

Los Angeles

Thu 9/3

8:15 am-8:50 pm

2 stops26h 35m

Kos

Sat 9/12

9:25 pm-3:15 pm

2 stops27h 50m

$1,156
Quickest round-trip

New YorkKos

LGA - KGS

LGAKGS

New York LaGuardia

Sun 7/12

5:59 pm-8:45 pm

2 stops19h 46m

Kos

Tue 8/4

2:20 pm-7:29 am

2 stops24h 09m

$1,158

TampaKos

TPA - KGS

TPAKGS

Tampa

Mon 7/27

5:55 pm-12:40 pm

1 stop35h 45m

Kos

Mon 8/17

9:45 am-3:55 pm

1 stop37h 10m

$1,315

DenverKos

DEN - KGS

DENKGS

Denver Intl

Sun 9/6

11:30 am-9:15 am

2 stops36h 45m

Kos

Mon 9/14

8:50 pm-5:55 pm

2 stops30h 05m

$1,394

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

14h 10m

Direct flights

None
The fastest flight from United States to Kos takes 14h 10m
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
1,916 reviews
Search SWISS flights
LufthansaPriceFrom $619Free CancellationRating
6.8
7,905 reviews
Search Lufthansa flights
British AirwaysPriceFrom $730Free CancellationRating
6.7
7,869 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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