$108 Cheap Flights from Sofia (SOF) to Argostolion (EFL)

View $108 flight on Mon, Sep 1, 2025Opens in a new window

Popular airlines from Sofia Airport (SOF) to Argostolion (EFL-Kefalonia Island Intl.)

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Cheap Flights from Sofia to Argostolion (SOF-EFL)

Prices were available within the past 7 days and start at $108 for one-way flights and $195 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aegean
Mon, Jun 2 - Mon, Jun 9
SOF
Sofia
EFL
Kefalonia
$195 Roundtrip, found 6 days ago
$195
Roundtrip
found 6 days ago
Select Aegean flight, departing Mon, Jun 2 from Sofia to Kefalonia, returning Mon, Jun 9, priced at $195 found 6 days ago
Aegean
Sun, Jun 15 - Fri, Jun 20
SOF
Sofia
EFL
Kefalonia
$213 Roundtrip, found 13 hours ago
$213
Roundtrip
found 13 hours ago
Select Aegean flight, departing Sun, Jun 15 from Sofia to Kefalonia, returning Fri, Jun 20, priced at $213 found 13 hours ago
Aegean
Sun, Jun 15 - Fri, Jun 20
SOF
Sofia
EFL
Kefalonia
$217 Roundtrip, found 13 hours ago
$217
Roundtrip
found 13 hours ago
Select Aegean flight, departing Sun, Jun 15 from Sofia to Kefalonia, returning Fri, Jun 20, priced at $217 found 13 hours ago
Aegean
Mon, Jun 2 - Mon, Jun 9
SOF
Sofia
EFL
Kefalonia
$223 Roundtrip, found 6 days ago
$223
Roundtrip
found 6 days ago
Select Aegean flight, departing Mon, Jun 2 from Sofia to Kefalonia, returning Mon, Jun 9, priced at $223 found 6 days ago
Aegean
Sun, Jun 15 - Fri, Jun 20
SOF
Sofia
EFL
Kefalonia
$227 Roundtrip, found 13 hours ago
$227
Roundtrip
found 13 hours ago
Select Aegean flight, departing Sun, Jun 15 from Sofia to Kefalonia, returning Fri, Jun 20, priced at $227 found 13 hours ago
Aegean
Fri, Jul 18 - Thu, Jul 24
SOF
Sofia
EFL
Kefalonia
$231 Roundtrip, found 1 day ago
$231
Roundtrip
found 1 day ago
Select Aegean flight, departing Fri, Jul 18 from Sofia to Kefalonia, returning Thu, Jul 24, priced at $231 found 1 day ago
SKY express
Mon, Sep 1 - Mon, Sep 8
SOF
Sofia
EFL
Kefalonia
$232 Roundtrip, found 5 days ago
$232
Roundtrip
found 5 days ago
Select SKY express flight, departing Mon, Sep 1 from Sofia to Kefalonia, returning Mon, Sep 8, priced at $232 found 5 days ago
Aegean
Mon, Sep 1 - Mon, Sep 8
SOF
Sofia
EFL
Kefalonia
$238 Roundtrip, found 5 days ago
$238
Roundtrip
found 5 days ago
Select Aegean flight, departing Mon, Sep 1 from Sofia to Kefalonia, returning Mon, Sep 8, priced at $238 found 5 days ago
Aegean
Fri, Jul 18 - Thu, Jul 24
SOF
Sofia
EFL
Kefalonia
$239 Roundtrip, found 1 day ago
$239
Roundtrip
found 1 day ago
Select Aegean flight, departing Fri, Jul 18 from Sofia to Kefalonia, returning Thu, Jul 24, priced at $239 found 1 day ago
Aegean
Fri, Jul 18 - Thu, Jul 24
SOF
Sofia
EFL
Kefalonia
$244 Roundtrip, found 1 day ago
$244
Roundtrip
found 1 day ago
Select Aegean flight, departing Fri, Jul 18 from Sofia to Kefalonia, returning Thu, Jul 24, priced at $244 found 1 day ago
Flights from Sofia (SOF) to Argostolion (EFL)
Origin airport
Sofia
Destination airport
Kefalonia Island Intl.
Airlines serving
Aegean, Lufthansa, SKY express
Roundtrip price
$194
Distance
350 mi

Sofia to Argostolion Flights

The cheapest times to fly from Sofia 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 Sofia to Argostolion are during the month of June. You can find some of the cheapest flights from Sofia to Argostolion with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sofia to Argostolion

Sunday is one of the best days to book for cheap flights from Sofia 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 Sofia 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 Sofia to Argostolion in 2025. You can also book with separate airlines for your outbound and return journeys, from $108 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 Sofia 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 Sofia 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 Sofia Airport (SOF) to Kefalonia Island Intl. Airport (EFL) cost?
Discover the latest flight deals from SOF to EFL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SOF to EFL?
The cheapest flights from SOF to EFL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SOF to EFL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SOF to EFL. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Sofia Airport (SOF) to Kefalonia Island Intl. Airport (EFL)?
Nonstop flights from Sofia Airport (SOF) to Kefalonia Island Intl. Airport (EFL) aren’t available daily, so you’ll have to take a flight with a layover. Explore your options with Expedia’s filter tool. Enter your travel details and click on either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from SOF to EFL?
You’ll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sofia Airport (SOF) to Kefalonia Island Intl. Airport (EFL)?
To avoid possible delays on the Sofia Airport (SOF) to Kefalonia Island Intl. Airport (EFL) route, fly before 3 PM. Departures after this time have a 22% higher chance of being 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 Sofia Airport (SOF) to Kefalonia Island Intl. Airport (EFL) last-minute?
Booking your ticket from SOF to EFL just before your journey is generally more expensive. However, if there’s some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a SOF to EFL flight and hotel package?
You’ll generally save money by securing a SOF to EFL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage everything in one place. After choosing your ideal accommodations and flights, you can add extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Kefalonia Island Intl. Airport (EFL)?
In most instances, you’re able to reschedule or cancel your SOF to EFL flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline’s guidelines and fees on flight changes, or if you’d like more information, head to our Customer Service portal.

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*Available to One Key members.