Cheap flights from Massachusetts to Kos from $809
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Kos departing on 8/5. 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 Massachusetts to Kos
Cheap round-trip flights
Lufthansa flights from Massachusetts to Kos
Our best Lufthansa deals on Massachusetts to Kos flight tickets
Brussels Airlines flights from Massachusetts to Kos
Our best Brussels Airlines deals on Massachusetts to Kos flight tickets
See travel insights to Kos from
How to get the cheapest flight ticket from Massachusetts 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 Massachusetts to Kos is on a Saturday when prices can be found for as low as $1,035. On the other hand, Monday is the most expensive day to depart from Massachusetts because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,398.
What is the cheapest time of day to depart on your flight to Kos?
Flying to Kos from Massachusetts in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,202 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 $1,219 on average. Flights to Kos from Massachusetts in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
Cheap Massachusetts to Kos flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Massachusetts to Kos
When did momondo last update prices for flights from Massachusetts to Kos Airport?
Prices for flights from Massachusetts to Kos Airport refresh daily.
How many operators does momondo search for flights from Massachusetts to Kos Airport?
The number of operators available for flights from Massachusetts to Kos Airport is 2 as of July 2025.
How old do you have to be to fly from Massachusetts to Kos Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts 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 Massachusetts to Kos
Compare and see reviews for airlines that fly from Massachusetts to Kos with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $928 | Free Cancellation | Rating 7.5 1,654 reviews | |||
| PriceFrom $981 | Free Cancellation | Rating 6.8 7,207 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 Massachusetts to Kos?
It is quick and easy to find Massachusetts to Kos flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Kos that suits you.
Can I find flights from Massachusetts to Kos with flexible booking policies on momondo?
Yes. All flights to Kos from Massachusetts on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Massachusetts to Kos?
momondo provides multiple filters to help you find the best flight to Kos from Massachusetts. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Massachusetts to Kos right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Massachusetts to Kos now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Kos and let you know when they change.