Cheap Aer Lingus flights Boston (BOS) to Kos (KGS)

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Flights from Boston (BOS) to Kos (KGS)
Origin airport
Logan Intl.
Destination airport
Kos Island Intl.
Airlines serving
Austrian Airlines, British Airways, Brussels Airlines, Emirates, Lufthansa, Swiss International Air Lines
Popular airline
British Airways
Distance
4927 mi

Frequently asked questions

How much is an Aer Lingus flight from Logan Intl. Airport (BOS) to Kos Island Intl. Airport (KGS)?
Apply the "Price (lowest to highest)" filter on Expedia to look for cheap Aer Lingus return flights from BOS to KGS. Affordable one-way options are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BOS to KGS with Aer Lingus?
December is one of the most affordable months to jet off to Kos with Aer Lingus. You could also find great prices on one-way and return fares in February.
What is the cheapest time to book flights from Logan Intl. Airport (BOS) to Kos Island Intl. Airport (KGS) with Aer Lingus?
To grab affordable flights from BOS to KGS with Aer Lingus, start searching about one month before your planned departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another good tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Aer Lingus fly nonstop from Logan Intl. Airport (BOS) to Kos Island Intl. Airport (KGS)?
Enter your dates, click search and use the "Nonstop" filter on Expedia to browse any direct flights from BOS to KGS with Aer Lingus or other carriers.
What is the earliest Aer Lingus flight from BOS to KGS?
To find the earliest departures from BOS to KGS with Aer Lingus, filter your search by "Morning" and "Early Morning." Booking an early flight generally means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Aer Lingus fly into in Kos?
Kos Island Intl. Airport (KGS) is the primary Kos gateway for Aer Lingus flights from Logan Intl. Airport (BOS).
What kind of luggage can I take on an Aer Lingus flight from Logan Intl. Airport (BOS) to Kos Island Intl. Airport (KGS)?
On a standard economy flight with Aer Lingus from BOS to KGS, passengers can bring 1 checked-in bag up to 50 lb with dimensions no larger than 62 inches in total. For carry-on, you can have 1 cabin bag weighing up to 22 lb and measuring less than 21 inches x 15 inches x 9 inches. Weight and size allowances may vary based on your cabin class and airfare type. To make sure you're not hit with extra charges at the airport, check your Aer Lingus booking or look up the airline's website before packing.
Why fly with Aer Lingus from BOS to KGS?
Traveling from BOS to KGS with Aer Lingus means enjoying a host of perks, such as a rewarding loyalty program and a 4-star airline rating. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to spend on select future travel purchases. That's on top of the Aer Lingus AerClub points you can earn with Aer Lingus.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Aer Lingus flight from Logan Intl. Airport (BOS) to Kos Island Intl. Airport (KGS)?
It's generally possible to cancel or modify your flight, although there may be additional fees if your booking was made over 24 hours ago. Need flexible options? Use our "No cancel fee" or "Changes included" filter to find flights that won't penalize you if you need to revise your plans. To update your booking, go to "Trips," select your flight and click on "Manage Booking" for more details.

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*Available to One Key members.