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Cheap flights from the United States to Kos from $297

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 7/14. 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

Discover deals from 900+ travel sites with momondo.

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.
SWISS Logo
9:45 pm - 7:55 pm
EWR
-
KGS
15h 10m
1 stop
SWISS Logo
11:00 am - 8:15 pm
KGS
-
EWR
16h 15m
1 stop
$709SWISS
Tue, Aug 18 - Thu, Sep 10
Multiple Airlines Logo
6:00 am - 7:05 pm
EWR
-
KGS
30h 05m
2 stops
Multiple Airlines Logo
11:00 am - 8:15 pm
KGS
-
EWR
16h 15m
1 stop
$764Multiple Airlines
Tue, Aug 18 - Thu, Sep 10
Multiple Airlines Logo
8:30 pm - 8:25 pm
MCO
-
KGS
16h 55m
1 stop
Multiple Airlines Logo
9:20 am - 6:25 pm
KGS
-
MCO
40h 05m
2 stops
$782Multiple Airlines
Mon, Aug 3 - Wed, Aug 19
Multiple Airlines Logo
8:30 pm - 7:00 pm
MCO
-
KGS
15h 30m
1 stop
Multiple Airlines Logo
12:15 am - 6:25 pm
KGS
-
MCO
49h 10m
2 stops
$792Multiple Airlines
Wed, Aug 5 - Tue, Aug 18
Multiple Airlines Logo
8:30 pm - 8:25 pm
MCO
-
KGS
16h 55m
1 stop
Multiple Airlines Logo
2:55 pm - 6:25 pm
KGS
-
MCO
34h 30m
1 stop
$794Multiple Airlines
Mon, Aug 3 - Wed, Aug 19
SWISS Logo
9:45 pm - 2:30 pm
EWR
-
KGS
33h 45m
1 stop
SWISS Logo
8:45 pm - 9:30 pm
KGS
-
EWR
31h 45m
1 stop
$826SWISS
Fri, Oct 16 - Sat, Oct 24
Austrian Airlines Logo
5:40 pm - 8:50 pm
EWR
-
KGS
20h 10m
1 stop
Austrian Airlines Logo
9:40 pm - 1:55 pm
KGS
-
EWR
23h 15m
1 stop
$854Austrian Airlines
Thu, Aug 20 - Wed, Sep 2
Austrian Airlines Logo
5:40 pm - 8:50 pm
EWR
-
KGS
20h 10m
1 stop
Austrian Airlines Logo
9:40 pm - 1:55 pm
KGS
-
EWR
23h 15m
1 stop
$864Austrian Airlines
Thu, Aug 20 - Wed, Sep 2
Lufthansa Logo
10:20 pm - 8:55 am
IAD
-
KGS
27h 35m
2 stops
Lufthansa Logo
8:35 pm - 1:35 pm
KGS
-
IAD
48h 00m
2 stops
$1,218Lufthansa
Sat, Aug 1 - Sat, Aug 15
British Airways Logo
5:28 pm - 8:55 pm
LGA
-
KGS
20h 27m
2 stops
British Airways Logo
2:05 pm - 8:59 pm
KGS
-
LGA
37h 54m
2 stops
$1,367British Airways
Tue, Sep 22 - Sat, Oct 3

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SWISS flights from United States to Kos

Our best SWISS deals on United States to Kos flight tickets
SWISS
Aug 18
EWR9:45 pmNewark
15h 10m
1 stop
KGS7:55 pmKos
Sep 10
KGS11:00 amKos
16h 15m
1 stop
EWR8:15 pmNewark
$709
SWISS
Oct 16
EWR9:45 pmNewark
33h 45m
1 stop
KGS2:30 pmKos
Oct 24
KGS8:45 pmKos
31h 45m
1 stop
EWR9:30 pmNewark
$826
SWISS
Aug 24
BOS5:10 pmBoston Logan Intl
19h 30m
1 stop
KGS7:40 pmKos
Aug 31
KGS11:00 amKos
35h 10m
1 stop
BOS3:10 pmBoston Logan Intl
$857

Lufthansa flights from United States to Kos

Our best Lufthansa deals on United States to Kos flight tickets
Lufthansa
Aug 3
MCO4:21 pmOrlando
37h 19m
2 stops
KGS12:40 pmKos
Aug 17
KGS9:45 amKos
44h 57m
2 stops
MCO11:42 pmOrlando
$896
Lufthansa
Sep 3
EWR6:00 pmNewark
42h 45m
2 stops
KGS7:45 pmKos
Sep 7
KGS12:40 pmKos
58h 05m
2 stops
EWR3:45 pmNewark
$1,074
Lufthansa
Aug 1
IAD10:20 pmWashington, D.C. Dulles Intl
27h 35m
2 stops
KGS8:55 amKos
Aug 15
KGS8:35 pmKos
48h 00m
2 stops
IAD1:35 pmWashington, D.C. Dulles Intl
$1,218

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 June 24, 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
Quickest round-trip

NewarkKos

EWR - KGS

EWRKGS

Newark

Tue 8/18

9:45 pm-7:55 pm

1 stop15h 10m

Kos

Thu 9/10

11:00 am-8:15 pm

1 stop16h 15m

$709

NewarkKos

EWR - KGS

EWRKGS

Newark

Tue 8/18

6:00 am-7:05 pm

2 stops30h 05m

Kos

Thu 9/10

11:00 am-8:15 pm

1 stop16h 15m

$764

OrlandoKos

MCO - KGS

MCOKGS

Orlando

Mon 8/3

8:30 pm-8:25 pm

1 stop16h 55m

Kos

Wed 8/19

9:20 am-6:25 pm

2 stops40h 05m

$782

OrlandoKos

MCO - KGS

MCOKGS

Orlando

Wed 8/5

8:30 pm-7:00 pm

1 stop15h 30m

Kos

Tue 8/18

12:15 am-6:25 pm

2 stops49h 10m

$792

OrlandoKos

MCO - KGS

MCOKGS

Orlando

Mon 8/3

8:30 pm-8:25 pm

1 stop16h 55m

Kos

Wed 8/19

2:55 pm-6:25 pm

1 stop34h 30m

$794

NewarkKos

EWR - KGS

EWRKGS

Newark

Fri 10/16

9:45 pm-2:30 pm

1 stop33h 45m

Kos

Sat 10/24

8:45 pm-9:30 pm

1 stop31h 45m

$826

NewarkKos

EWR - KGS

EWRKGS

Newark

Thu 8/20

5:40 pm-8:50 pm

1 stop20h 10m

Kos

Wed 9/2

9:40 pm-1:55 pm

1 stop23h 15m

$854

NewarkKos

EWR - KGS

EWRKGS

Newark

Thu 8/20

5:40 pm-8:50 pm

1 stop20h 10m

Kos

Wed 9/2

9:40 pm-1:55 pm

1 stop23h 15m

$864

Washington, D.C.Kos

IAD - KGS

IADKGS

Washington, D.C. Dulles Intl

Sat 8/1

10:20 pm-8:55 am

2 stops27h 35m

Kos

Sat 8/15

8:35 pm-1:35 pm

2 stops48h 00m

$1,218

New YorkKos

LGA - KGS

LGAKGS

New York LaGuardia

Tue 9/22

5:28 pm-8:55 pm

2 stops20h 27m

Kos

Sat 10/3

2:05 pm-8:59 pm

2 stops37h 54m

$1,367

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

11h 40m

Direct flights

None
The fastest flight from United States to Kos takes 11h 40m
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 $500Free CancellationRating
7.5
1,971 reviews
Search SWISS flights
LufthansaPriceFrom $626Free CancellationRating
6.8
8,090 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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