KGS

$325 Find Cheap Flights from Massachusetts to Kos - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Kos departing on 9/18. 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

Mon, Sep 21 - Sun, Sep 27
Multiple Airlines Logo
8:50 pm - 10:05 pmBOS  Boston Logan Intl-KGS Kos
18h 15m2 stops Reykjavik Keflavik Intl Glasgow Intl
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
$909Multiple Airlines
Mon, Sep 21 - Sun, Sep 27
Multiple Airlines Logo
8:50 pm - 10:05 pmBOS  Boston Logan Intl-KGS Kos
18h 15m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
12:10 am - 9:26 pmKGS  Kos-BOS Boston Logan Intl
28h 16m2 stops London Gatwick Montreal Pierre Elliott Trudeau Intl
$968Multiple Airlines
Mon, Sep 21 - Mon, Sep 28
Multiple Airlines Logo
5:40 pm - 10:10 pmBOS  Boston Logan Intl-KGS Kos
21h 30m3 stops Kastrup Copenhagen Brussels Bruxelles-National Athens Eleftherios V.
Multiple Airlines Logo
12:20 pm - 3:35 pmKGS  Kos-BOS Boston Logan Intl
34h 15m3 stops Brussels Bruxelles-National Stockholm Arlanda Kastrup Copenhagen
$968Multiple Airlines
Mon, Sep 21 - Mon, Sep 28
Multiple Airlines Logo
9:40 pm - 7:40 pmBOS  Boston Logan Intl-KGS Kos
15h 00m1 stop Zurich
Multiple Airlines Logo
11:00 pm - 4:10 pmKGS  Kos-BOS Boston Logan Intl
24h 10m2 stops Milan Malpensa Madrid Barajas
$988Multiple Airlines
Mon, Sep 21 - Mon, Sep 28
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
$1,006SWISS
Tue, Sep 1 - Sun, Sep 6
Multiple Airlines Logo
3:35 pm - 12:35 amBOS  Boston Logan Intl-KGS Kos
26h 00m3 stops Montreal Pierre Elliott Trudeau Intl London Heathrow Athens Eleftherios V.
Multiple Airlines Logo
12:10 am - 4:05 pmKGS  Kos-BOS Boston Logan Intl
46h 55m3 stops London Gatwick Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
$1,017Multiple Airlines
Tue, Sep 1 - Mon, Sep 7
Multiple Airlines Logo
4:45 pm - 9:55 pmBOS  Boston Logan Intl-KGS Kos
22h 10m3 stops Frankfurt am Main Rome Fiumicino Athens Eleftherios V.
Multiple Airlines Logo
11:40 pm - 2:45 pmKGS  Kos-BOS Boston Logan Intl
22h 05m2 stops Rome Fiumicino Frankfurt am Main
$1,034Multiple Airlines
Tue, Sep 1 - Sun, Sep 6
Multiple Airlines Logo
3:55 pm - 8:20 pmBOS  Boston Logan Intl-KGS Kos
21h 25m2 stops Ottawa London Gatwick
Multiple Airlines Logo
12:10 am - 6:35 pmKGS  Kos-BOS Boston Logan Intl
25h 25m2 stops London Gatwick Toronto Pearson Intl
$1,108Multiple Airlines
Tue, Sep 1 - Mon, Sep 7
Multiple Airlines Logo
5:05 pm - 9:55 pmBOS  Boston Logan Intl-KGS Kos
21h 50m2 stops Rome Fiumicino Athens Eleftherios V.
Multiple Airlines Logo
11:40 pm - 1:40 pmKGS  Kos-BOS Boston Logan Intl
21h 00m1 stop Rome Fiumicino
$1,167Multiple Airlines
Mon, Aug 24 - Tue, Sep 8
SWISS Logo
9:40 pm - 7:40 pmBOS  Boston Logan Intl-KGS Kos
15h 00m1 stop Zurich
SWISS Logo
8:30 pm - 3:10 pmKGS  Kos-BOS Boston Logan Intl
25h 40m1 stop Zurich
$1,590SWISS
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Good to know

Cheapest flight

$325
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.

Everything you need to know for your flight to Kos

Information on the airport you'll fly into in Kos

Kos (KGS)