$608 Cheap Flights from Boston (BOS) to Argostolion (EFL)

View $608 flight on Wed, Sep 24, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Argostolion (EFL-Kefalonia Island Intl.)

Cheap Flights from Boston to Argostolion (BOS-EFL)

Prices were available within the past 7 days and start at $608 for one-way flights and $794 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Mon, Sep 1 - Tue, Sep 16
BOS
Boston
EFL
Kefalonia
$794 Roundtrip, found 3 days ago
$794
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, Sep 1 from Boston to Kefalonia, returning Tue, Sep 16, priced at $794 found 3 days ago
British Airways
Sat, Sep 6 - Tue, Sep 16
BOS
Boston
EFL
Kefalonia
$844 Roundtrip, found 3 days ago
$844
Roundtrip
found 3 days ago
Select British Airways flight, departing Sat, Sep 6 from Boston to Kefalonia, returning Tue, Sep 16, priced at $844 found 3 days ago
British Airways
Mon, Sep 8 - Sat, Sep 27
BOS
Boston
EFL
Kefalonia
$853 Roundtrip, found 6 days ago
$853
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Sep 8 from Boston to Kefalonia, returning Sat, Sep 27, priced at $853 found 6 days ago
British Airways
Fri, Sep 12 - Sat, Sep 20
BOS
Boston
EFL
Kefalonia
$876 Roundtrip, found 4 days ago
$876
Roundtrip
found 4 days ago
Select British Airways flight, departing Fri, Sep 12 from Boston to Kefalonia, returning Sat, Sep 20, priced at $876 found 4 days ago
American Airlines
Fri, Sep 12 - Sat, Sep 20
BOS
Boston
EFL
Kefalonia
$880 Roundtrip, found 4 days ago
$880
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Sep 12 from Boston to Kefalonia, returning Sat, Sep 20, priced at $880 found 4 days ago
British Airways
Fri, Sep 12 - Sat, Sep 20
BOS
Boston
EFL
Kefalonia
$886 Roundtrip, found 4 days ago
$886
Roundtrip
found 4 days ago
Select British Airways flight, departing Fri, Sep 12 from Boston to Kefalonia, returning Sat, Sep 20, priced at $886 found 4 days ago
American Airlines
Fri, Sep 12 - Sat, Sep 20
BOS
Boston
EFL
Kefalonia
$890 Roundtrip, found 4 days ago
$890
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Sep 12 from Boston to Kefalonia, returning Sat, Sep 20, priced at $890 found 4 days ago
United
Sun, Sep 21 - Fri, Oct 3
BOS
Boston
EFL
Kefalonia
$927 Roundtrip, found 2 days ago
$927
Roundtrip
found 2 days ago
Select United flight, departing Sun, Sep 21 from Boston to Kefalonia, returning Fri, Oct 3, priced at $927 found 2 days ago
Austrian Airlines
Wed, Sep 3 - Fri, Sep 19
BOS
Boston
EFL
Kefalonia
$930 Roundtrip, found 3 days ago
$930
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Wed, Sep 3 from Boston to Kefalonia, returning Fri, Sep 19, priced at $930 found 3 days ago
Lufthansa
Sun, Sep 21 - Mon, Oct 6
BOS
Boston
EFL
Kefalonia
$973 Roundtrip, found 3 days ago
$973
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sun, Sep 21 from Boston to Kefalonia, returning Mon, Oct 6, priced at $973 found 3 days ago
Flights from Boston (BOS) to Argostolion (EFL)
Origin airport
Logan Intl.
Destination airport
Kefalonia Island Intl.
Roundtrip price
$793
Distance
4586 mi

Boston to Argostolion Flights

The cheapest times to fly from Boston to Argostolion

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Argostolion are during the month of September. You can find some of the cheapest flights from Boston to Argostolion with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Argostolion

Sunday is one of the best days to book for cheap flights from Boston to Argostolion: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Argostolion

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Argostolion in 2025. You can also book with separate airlines for your outbound and return journeys, from $608 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Argostolion flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Argostolion airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Kefalonia Island Intl. Airport (EFL) cost?
Snag a cheap one-way flight from $608 or cheap return flight from $794 from Logan Intl. Airport (BOS) to Kefalonia Island Intl. Airport (EFL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Kefalonia Island Intl. Airport (EFL)?
Planning your getaway for September is a great way to save, as it's the cheapest month for flights between BOS and EFL. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Kefalonia Island Intl. Airport (EFL)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from BOS to EFL. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Logan Intl. Airport (BOS) to Kefalonia Island Intl. Airport (EFL)?
You'll need to catch a flight with a layover when traveling from Logan Intl. Airport (BOS) to Kefalonia Island Intl. Airport (EFL). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from BOS to EFL?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a range of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Kefalonia Island Intl. Airport (EFL)?
Book a flight from Logan Intl. Airport (BOS) to Kefalonia Island Intl. Airport (EFL) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Kefalonia Island Intl. Airport (EFL) last-minute?
Last-minute fares from BOS to EFL are generally more expensive. To lock in the best rates, start searching for flights well in advance. That said, if you're flexible with your travel plans, you may land a cheap ticket right before your journey.
Is it cheaper to book a BOS to EFL flight and hotel package?
Opting for a BOS to EFL flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our extensive range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Kefalonia Island Intl. Airport (EFL)?
Typically, you can modify or cancel your BOS to EFL flight. However, additional fees may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you want further details, head to our Customer Service portal.

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*Available to One Key members.