KGS

$868 Find Cheap Flights from Massachusetts to Kos - Compare and Save

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight to Kos departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Massachusetts to Kos

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Massachusetts to Kos that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Massachusetts to Kos

Thu, Oct 1 - Wed, Oct 7
Multiple Airlines Logo
9:30 pm - 8:30 pmBOS  Boston Logan Intl-KGS Kos
16h 00m1 stop London Heathrow
Multiple Airlines Logo
11:25 pm - 9:05 pmKGS  Kos-BOS Boston Logan Intl
28h 40m2 stops Bergamo Orio Al Serio Barcelona-El Prat
$868Multiple Airlines
Sun, Sep 27 - Fri, Oct 9
Multiple Airlines Logo
8:50 pm - 10:40 pmBOS  Boston Logan Intl-KGS Kos
18h 50m2 stops Reykjavik Keflavik Intl London Heathrow
Multiple Airlines Logo
6:00 am - 8:20 pmKGS  Kos-BOS Boston Logan Intl
21h 20m3 stops Athens Eleftherios V. Barcelona-El Prat Lisbon Humberto Delgado
$937Multiple Airlines
Thu, Oct 1 - Wed, Oct 7
Multiple Airlines Logo
10:40 am - 8:50 pmBOS  Boston Logan Intl-KGS Kos
27h 10m2 stops Montreal Pierre Elliott Trudeau Intl Milan Malpensa
Multiple Airlines Logo
6:05 pm - 9:26 pmKGS  Kos-BOS Boston Logan Intl
34h 21m3 stops Athens Eleftherios V. Milan Malpensa Montreal Pierre Elliott Trudeau Intl
$947Multiple Airlines
Mon, Aug 31 - Sun, Sep 13
Multiple Airlines Logo
8:50 pm - 6:15 pmBOS  Boston Logan Intl-KGS Kos
14h 25m2 stops Reykjavik Keflavik Intl Munich Franz Josef Strauss
Multiple Airlines Logo
12:10 am - 2:02 pmKGS  Kos-BOS Boston Logan Intl
44h 52m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Toronto Island
$961Multiple Airlines
Sun, Sep 27 - Fri, Oct 9
Multiple Airlines Logo
5:40 pm - 12:35 amBOS  Boston Logan Intl-KGS Kos
23h 55m2 stops Kastrup Copenhagen Athens Eleftherios V.
Multiple Airlines Logo
4:15 pm - 3:35 pmKGS  Kos-BOS Boston Logan Intl
30h 20m2 stops Athens Eleftherios V. Kastrup Copenhagen
$965Multiple Airlines
Thu, Oct 1 - Wed, Oct 7
Multiple Airlines Logo
5:10 pm - 8:05 amBOS  Boston Logan Intl-KGS Kos
31h 55m3 stops Zurich Milan Malpensa Athens Eleftherios V.
Multiple Airlines Logo
10:25 pm - 6:07 pmKGS  Kos-BOS Boston Logan Intl
26h 42m3 stops Athens Eleftherios V. Milan Malpensa Montreal Pierre Elliott Trudeau Intl
$983Multiple Airlines
Mon, Aug 31 - Sun, Sep 13
Multiple Airlines Logo
8:50 pm - 6:15 pmBOS  Boston Logan Intl-KGS Kos
14h 25m2 stops Reykjavik Keflavik Intl Munich Franz Josef Strauss
Multiple Airlines Logo
12:10 am - 9:26 pmKGS  Kos-BOS Boston Logan Intl
28h 16m2 stops London Gatwick Montreal Pierre Elliott Trudeau Intl
$995Multiple Airlines
Thu, Oct 1 - Wed, Oct 7
Multiple Airlines Logo
9:45 pm - 11:55 amBOS  Boston Logan Intl-KGS Kos
31h 10m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
11:25 pm - 2:28 pmKGS  Kos-BOS Boston Logan Intl
22h 03m1 stop Bergamo Orio Al Serio
$1,011Multiple Airlines
Mon, Aug 31 - Sun, Sep 13
Multiple Airlines Logo
8:50 pm - 12:40 pmBOS  Boston Logan Intl-KGS Kos
32h 50m3 stops Reykjavik Keflavik Intl Munich Franz Josef Strauss Frankfurt am Main
Multiple Airlines Logo
12:10 am - 1:40 pmKGS  Kos-BOS Boston Logan Intl
44h 30m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Toronto Island
$1,026Multiple Airlines
Mon, Aug 31 - Mon, Sep 14
SWISS Logo
9:40 pm - 7:40 pmBOS  Boston Logan Intl-KGS Kos
15h 00m1 stop Zurich
SWISS Logo
11:00 am - 7:55 pmKGS  Kos-BOS Boston Logan Intl
15h 55m1 stop Zurich
$1,510SWISS
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Good to know

Cheapest flight

$868
Flight from Boston to Kos

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?

Book flights to Kos if you plan to visit one of these locations
Kardamena
Marmari

Everything you need to know for your flight to Kos

Information on the airport you'll fly into in Kos

Kos (KGS)