How does KAYAK find such low prices on flights from Massachusetts to Kos?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Massachusetts to Kos. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to Kos?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Kos from Massachusetts is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Massachusetts to Kos?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Kos with an airline and back to Massachusetts with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts to Kos?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Kos from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

Cheap Flights from Massachusetts to Kos

KGS

KAYAK searches hundreds of travel sites at once for deals on flights to Kos

...and more

Travelers love KAYAK

41 299 237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$933

Multiple Airlines

Thu 3/19Thu 3/26

BOS - KGS • 2 stops

Cheapest one-way

$342

Multiple Airlines

Mon 7/6

BOS - KGS • 3 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Kos!

Flight Deals

Cheap Flights from Massachusetts to Kos

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Massachusetts to Kos

Thu, Mar 19 - Thu, Mar 26

9:40 pm - 8:35 pm

BOS

KGS

16h 55m

2 stops

8:35 am - 9:20 pm

KGS

BOS

18h 45m

2 stops

$933Multiple Airlines

Thu, Mar 19 - Thu, Mar 26

10:20 pm - 4:10 pm

BOS

KGS

35h 50m

3 stops

4:40 pm - 2:55 pm

KGS

BOS

28h 15m

3 stops

$968Multiple Airlines

Sun, Jun 21 - Tue, Jun 30

10:45 pm - 11:15 pm

BOS

KGS

17h 30m

2 stops

8:35 am - 10:38 pm

KGS

BOS

21h 03m

2 stops

$1,187Multiple Airlines

Sun, Jun 21 - Tue, Jun 30

10:50 am - 8:00 pm

BOS

KGS

26h 10m

3 stops

8:35 am - 10:38 pm

KGS

BOS

21h 03m

2 stops

$1,188Multiple Airlines

Sun, Jun 21 - Tue, Jun 30

10:50 am - 8:00 pm

BOS

KGS

26h 10m

3 stops

8:35 am - 10:38 pm

KGS

BOS

21h 03m

3 stops

$1,192Multiple Airlines

Thu, Mar 19 - Thu, Mar 26

9:40 pm - 9:00 am

BOS

KGS

29h 20m

3 stops

8:35 am - 9:20 pm

KGS

BOS

18h 45m

2 stops

$1,224Multiple Airlines

Sun, Jun 21 - Tue, Jun 30

5:05 pm - 11:15 pm

BOS

KGS

23h 10m

1 stop

10:15 pm - 6:50 pm

KGS

BOS

27h 35m

2 stops

$1,403Multiple Airlines

Wed, May 6 - Sun, May 10

11:05 pm - 12:35 am

BOS

KGS

42h 30m

2 stops

1:05 pm - 2:10 pm

KGS

BOS

32h 05m

2 stops

$1,774Emirates

Wed, May 6 - Sun, May 10

11:05 pm - 12:35 am

BOS

KGS

42h 30m

2 stops

1:05 pm - 2:10 pm

KGS

BOS

32h 05m

2 stops

$1,775Emirates

Fri, Apr 17 - Mon, Apr 27

5:20 pm - 7:55 pm

BOS

KGS

19h 35m

1 stop

10:25 pm - 2:52 pm

KGS

BOS

47h 27m

2 stops

$2,543Multiple Airlines

Useful Info

Cheapest flight	$342

Flight from Boston to Kos

How does KAYAK find such low prices on flights from Massachusetts to Kos?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Massachusetts to Kos.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to Kos?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Kos from Massachusetts is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Massachusetts to Kos?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Kos with an airline and back to Massachusetts with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts to Kos?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Kos from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Marmari

Everything you need to know for your flight to Kos

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on the airport you'll fly into in Kos

Kos (KGS)

KGS

$342 Find Cheap Flights from Massachusetts to Kos

KAYAK searches hundreds of travel sites at once for deals on flights to Kos

Everything you should know

Cheap Flights from Massachusetts to Kos

Recent round-trip flight deals from Massachusetts to Kos

Recent one-way flight deals from Massachusetts to Kos

Good to know

FAQs for booking flights from Massachusetts to Kos

How does KAYAK find such low prices on flights from Massachusetts to Kos?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Massachusetts to Kos.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to Kos?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Kos from Massachusetts is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Massachusetts to Kos?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Kos with an airline and back to Massachusetts with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts to Kos?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Kos from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Kos?

Everything you need to know for your flight to Kos

Information on the airport you'll fly into in Kos

Cabin class types available on flights to Massachusetts

Complete your trip to Kos with a hotel stay or car rental

Find direct flights for Kos

Flights to other popular destinations

Flights from domestic origins to Kos

Choose which airport to fly into in Kos