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>

$786 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 21% 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.

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

Last minute

Recent round-trip flight deals from Massachusetts to Kos

Mon, Aug 24 - Mon, Aug 31

5:10 pm - 7:40 pm

BOS

KGS

19h 30m

1 stop

11:00 am - 3:10 pm

KGS

BOS

35h 10m

1 stop

$857SWISS

Mon, Aug 24 - Mon, Aug 31

5:10 pm - 7:40 pm

BOS

KGS

19h 30m

1 stop

8:50 pm - 9:27 pm

KGS

BOS

31h 37m

2 stops

$862Multiple Airlines

Mon, Aug 24 - Mon, Aug 31

6:50 pm - 8:50 pm

BOS

KGS

43h 00m

2 stops

8:50 pm - 9:27 pm

KGS

BOS

31h 37m

2 stops

$872Multiple Airlines

Wed, Aug 19 - Wed, Aug 26

5:45 pm - 8:20 pm

BOS

KGS

19h 35m

2 stops

8:40 pm - 7:55 pm

KGS

BOS

30h 15m

1 stop

$903Multiple Airlines

Mon, Aug 24 - Mon, Aug 31

8:50 pm - 10:15 am

BOS

KGS

30h 25m

3 stops

8:50 pm - 9:45 pm

KGS

BOS

31h 55m

3 stops

$905Multiple Airlines

Wed, Aug 19 - Wed, Aug 26

6:30 am - 12:35 am

BOS

KGS

35h 05m

3 stops

11:25 am - 3:35 pm

KGS

BOS

35h 10m

3 stops

$917Multiple Airlines

Wed, Aug 19 - Wed, Aug 26

10:00 pm - 8:20 pm

BOS

KGS

15h 20m

2 stops

7:55 pm - 8:10 pm

KGS

BOS

31h 15m

2 stops

$949Multiple Airlines

Mon, Aug 24 - Mon, Aug 31

3:35 pm - 9:05 pm

BOS

KGS

22h 30m

2 stops

6:10 pm - 8:20 pm

KGS

BOS

33h 10m

3 stops

$950Multiple Airlines

Wed, Aug 19 - Tue, Aug 25

5:45 am - 9:15 pm

BOS

KGS

32h 30m

3 stops

12:15 am - 6:35 pm

KGS

BOS

25h 20m

2 stops

$979Multiple Airlines

Fri, Sep 25 - Sat, Oct 3

8:50 pm - 7:35 am

BOS

KGS

27h 45m

3 stops

12:40 pm - 2:02 pm

KGS

BOS

32h 22m

3 stops

$1,050Multiple Airlines

Useful Info

Cheapest flight	$786

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

$786 Find Cheap Flights from Massachusetts to Kos

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

Cheap Flights from Massachusetts to Kos

Recent round-trip flight deals from Massachusetts to Kos

Recent one-way flight deals from Massachusetts to Kos

Recent last minute flight deals from Massachusetts to Kos

Good to know

FAQs for booking flights from Massachusetts to Kos

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