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Cheap flights from the United States to Kos from $409

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 7/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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
11:00 pm - 10:35 pm
EWR
-
KGS
16h 35m
2 stops
Multiple Airlines Logo
4:00 pm - 3:30 pm
KGS
-
EWR
30h 30m
2 stops
$704Multiple Airlines
Sun, Jun 7 - Thu, Jun 18
Multiple Airlines Logo
12:25 am - 8:05 am
EWR
-
KGS
24h 40m
2 stops
Multiple Airlines Logo
10:25 pm - 10:30 pm
KGS
-
EWR
31h 05m
2 stops
$722Multiple Airlines
Sun, Apr 5 - Thu, Apr 30
SWISS Logo
7:25 pm - 10:20 am
JFK
-
KGS
55h 55m
2 stops
SWISS Logo
11:10 am - 4:35 pm
KGS
-
JFK
36h 25m
1 stop
$740SWISS
Mon, Apr 6 - Thu, Apr 30
SWISS Logo
8:05 pm - 10:20 am
EWR
-
KGS
55h 15m
2 stops
SWISS Logo
11:10 am - 8:15 pm
KGS
-
EWR
16h 05m
1 stop
$919SWISS
Mon, Apr 6 - Thu, Apr 30
Austrian Airlines Logo
4:20 pm - 8:00 pm
ORD
-
KGS
19h 40m
1 stop
Austrian Airlines Logo
9:25 pm - 5:00 pm
KGS
-
ORD
27h 35m
2 stops
$1,121Austrian Airlines
Sun, Sep 6 - Sat, Sep 12
British Airways Logo
6:50 pm - 12:45 pm
TPA
-
KGS
34h 55m
1 stop
British Airways Logo
9:40 pm - 4:50 pm
KGS
-
TPA
26h 10m
1 stop
$1,353British Airways
Wed, Jun 10 - Mon, Jul 27
British Airways Logo
6:50 pm - 12:45 pm
TPA
-
KGS
34h 55m
1 stop
British Airways Logo
9:40 pm - 4:50 pm
KGS
-
TPA
26h 10m
1 stop
$1,354British Airways
Wed, Jun 10 - Mon, Jul 27
Austrian Airlines Logo
3:05 pm - 8:50 pm
LAX
-
KGS
19h 45m
1 stop
Austrian Airlines Logo
9:25 pm - 1:05 pm
KGS
-
LAX
25h 40m
1 stop
$1,390Austrian Airlines
Thu, Sep 3 - Sat, Sep 12
Lufthansa Logo
4:50 pm - 8:50 am
TPA
-
KGS
57h 00m
2 stops
Lufthansa Logo
1:30 pm - 3:55 pm
KGS
-
TPA
33h 25m
1 stop
$1,424Lufthansa
Wed, May 6 - Wed, May 13
Lufthansa Logo
9:40 pm - 8:55 am
ORD
-
KGS
27h 15m
2 stops
Lufthansa Logo
12:40 pm - 12:35 pm
KGS
-
ORD
31h 55m
1 stop
$1,463Lufthansa
Sat, May 23 - Mon, Jun 1

Lufthansa flights from United States to Kos

Our best Lufthansa deals on United States to Kos flight tickets
Lufthansa
May 6
TPA4:50 pmTampa
57h 00m
2 stops
KGS8:50 amKos
May 13
KGS1:30 pmKos
33h 25m
1 stop
TPA3:55 pmTampa
$1,424
Lufthansa
May 23
ORD9:40 pmChicago O'Hare Intl
27h 15m
2 stops
KGS8:55 amKos
Jun 1
KGS12:40 pmKos
31h 55m
1 stop
ORD12:35 pmChicago O'Hare Intl
$1,463
Lufthansa
May 23
ORD9:40 pmChicago O'Hare Intl
27h 15m
2 stops
KGS8:55 amKos
Jun 1
KGS9:45 amKos
34h 50m
2 stops
ORD12:35 pmChicago O'Hare Intl
$1,495

Emirates flights from United States to Kos

Our best Emirates deals on United States to Kos flight tickets
Emirates
Sep 13
ORD8:35 pmChicago O'Hare Intl
36h 55m
2 stops
KGS5:30 pmKos
Sep 17
KGS1:05 pmKos
34h 40m
2 stops
ORD3:45 pmChicago O'Hare Intl
$1,725
Emirates
Sep 6
SFO5:05 pmSan Francisco
62h 25m
2 stops
KGS5:30 pmKos
Sep 10
KGS1:05 pmKos
34h 55m
2 stops
SFO2:00 pmSan Francisco
$1,767
Emirates
Sep 6
SEA5:15 pmSeattle/Tacoma Intl
62h 15m
2 stops
KGS5:30 pmKos
Sep 10
KGS1:05 pmKos
34h 20m
2 stops
SEA1:25 pmSeattle/Tacoma Intl
$1,779

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 March 23, 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

NewarkKos

EWR - KGS

EWRKGS

Newark

Sun 6/7

11:00 pm-10:35 pm

2 stops16h 35m

Kos

Thu 6/18

4:00 pm-3:30 pm

2 stops30h 30m

$704

NewarkKos

EWR - KGS

EWRKGS

Newark

Sun 4/5

12:25 am-8:05 am

2 stops24h 40m

Kos

Thu 4/30

10:25 pm-10:30 pm

2 stops31h 05m

$722

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Mon 4/6

7:25 pm-10:20 am

2 stops55h 55m

Kos

Thu 4/30

11:10 am-4:35 pm

1 stop36h 25m

$740

NewarkKos

EWR - KGS

EWRKGS

Newark

Mon 4/6

8:05 pm-10:20 am

2 stops55h 15m

Kos

Thu 4/30

11:10 am-8:15 pm

1 stop16h 05m

$919

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

Sun 9/6

4:20 pm-8:00 pm

1 stop19h 40m

Kos

Sat 9/12

9:25 pm-5:00 pm

2 stops27h 35m

$1,121

TampaKos

TPA - KGS

TPAKGS

Tampa

Wed 6/10

6:50 pm-12:45 pm

1 stop34h 55m

Kos

Mon 7/27

9:40 pm-4:50 pm

1 stop26h 10m

$1,353

TampaKos

TPA - KGS

TPAKGS

Tampa

Wed 6/10

6:50 pm-12:45 pm

1 stop34h 55m

Kos

Mon 7/27

9:40 pm-4:50 pm

1 stop26h 10m

$1,354
Quickest round-trip

Los AngelesKos

LAX - KGS

LAXKGS

Los Angeles Los Angeles

Thu 9/3

3:05 pm-8:50 pm

1 stop19h 45m

Kos

Sat 9/12

9:25 pm-1:05 pm

1 stop25h 40m

$1,390

TampaKos

TPA - KGS

TPAKGS

Tampa

Wed 5/6

4:50 pm-8:50 am

2 stops57h 00m

Kos

Wed 5/13

1:30 pm-3:55 pm

1 stop33h 25m

$1,424

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

Sat 5/23

9:40 pm-8:55 am

2 stops27h 15m

Kos

Mon 6/1

12:40 pm-12:35 pm

1 stop31h 55m

$1,463

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 57m

Direct flights

None
The fastest flight from United States to Kos takes 14h 57m
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
7.5
1,903 reviews
Search SWISS flights
LufthansaPriceFrom $619Free CancellationRating
6.8
7,863 reviews
Search Lufthansa flights
British AirwaysPriceFrom $730Free CancellationRating
6.7
7,812 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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