Cheap flights from the United States to Kos from $263
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 7/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from the United States to Kos
Recent round-trip flight deals from the United States to Kos
Recent one-way flight deals from the United States to Kos
Recent last minute flight deals from the United States to Kos
SWISS flights from United States to Kos
Our best SWISS deals on United States to Kos flight tickets
Austrian Airlines flights from United States to Kos
Our best Austrian Airlines deals on United States to Kos flight tickets
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.
What is the cheapest airline that flies from United States to Kos?
Lufthansa, SWISS, and Austrian Airlines are the most popular carriers operating from United States to Kos
What airlines fly to Kos?
Lufthansa, SWISS and British Airways are the top three most popular airlines that fly to Kos from United States according to our data. Lufthansa is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Kos. Keep in mind that there are 3 different airlines that fly to Kos on a routine basis, so you have a few additional options to choose from.
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
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?
As of June 2025, there are 3 operators available to choose from 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 | ||
|---|---|---|---|---|---|
| PriceFrom $630 | Free Cancellation | Rating 6.7 7,139 reviews | |||
| PriceFrom $667 | Free Cancellation | Rating 7.5 1,623 reviews | |||
| PriceFrom $730 | Free Cancellation | Rating 6.6 7,008 reviews |
Traveling to a place near Kos?
Book flights to Kos if you plan to visit one of these locationsWhy 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.