$73 Cheap Flights from Sofia (SOF) to Argostolion (EFL)

View $73 flight on Fri, Sep 26, 2025Opens in a new window

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

Cheap Flights from Sofia to Argostolion (SOF-EFL)

Prices were available within the past 7 days and start at $73 for one-way flights and $197 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aegean
Sun, Sep 21 - Sat, Sep 27
SOF
Sofia
EFL
Kefalonia
$197 Roundtrip, found 5 days ago
$197
Roundtrip
found 5 days ago
Select Aegean flight, departing Sun, Sep 21 from Sofia to Kefalonia, returning Sat, Sep 27, priced at $197 found 5 days ago
Aegean
Sun, Aug 24 - Tue, Sep 2
SOF
Sofia
EFL
Kefalonia
$204 Roundtrip, found 5 days ago
$204
Roundtrip
found 5 days ago
Select Aegean flight, departing Sun, Aug 24 from Sofia to Kefalonia, returning Tue, Sep 2, priced at $204 found 5 days ago
Aegean
Sun, Sep 21 - Tue, Sep 30
SOF
Sofia
EFL
Kefalonia
$219 Roundtrip, found 3 days ago
$219
Roundtrip
found 3 days ago
Select Aegean flight, departing Sun, Sep 21 from Sofia to Kefalonia, returning Tue, Sep 30, priced at $219 found 3 days ago
Aegean
Sun, Sep 21 - Sat, Sep 27
SOF
Sofia
EFL
Kefalonia
$225 Roundtrip, found 5 days ago
$225
Roundtrip
found 5 days ago
Select Aegean flight, departing Sun, Sep 21 from Sofia to Kefalonia, returning Sat, Sep 27, priced at $225 found 5 days ago
Aegean
Sun, Aug 24 - Wed, Aug 27
SOF
Sofia
EFL
Kefalonia
$228 Roundtrip, found 3 days ago
$228
Roundtrip
found 3 days ago
Select Aegean flight, departing Sun, Aug 24 from Sofia to Kefalonia, returning Wed, Aug 27, priced at $228 found 3 days ago
Aegean
Sun, Aug 24 - Sun, Aug 31
SOF
Sofia
EFL
Kefalonia
$232 Roundtrip, found 3 days ago
$232
Roundtrip
found 3 days ago
Select Aegean flight, departing Sun, Aug 24 from Sofia to Kefalonia, returning Sun, Aug 31, priced at $232 found 3 days ago
SKY express
Sun, Sep 21 - Sat, Sep 27
SOF
Sofia
EFL
Kefalonia
$289 Roundtrip, found 5 days ago
$289
Roundtrip
found 5 days ago
Select SKY express flight, departing Sun, Sep 21 from Sofia to Kefalonia, returning Sat, Sep 27, priced at $289 found 5 days ago
Lufthansa
Fri, Aug 22 - Fri, Aug 29
SOF
Sofia
EFL
Kefalonia
$336 Roundtrip, found 14 hours ago
$336
Roundtrip
found 14 hours ago
Select Lufthansa flight, departing Fri, Aug 22 from Sofia to Kefalonia, returning Fri, Aug 29, priced at $336 found 14 hours ago
ITA Airways
Sat, Aug 23 - Sat, Aug 30
SOF
Sofia
EFL
Kefalonia
$861 Roundtrip, found 14 hours ago
$861
Roundtrip
found 14 hours ago
Select ITA Airways flight, departing Sat, Aug 23 from Sofia to Kefalonia, returning Sat, Aug 30, priced at $861 found 14 hours ago
British Airways
Mon, Aug 11 - Tue, Aug 26
SOF
Sofia
EFL
Kefalonia
$1,505 Roundtrip, found 2 days ago
$1,505
Roundtrip
found 2 days ago
Select British Airways flight, departing Mon, Aug 11 from Sofia to Kefalonia, returning Tue, Aug 26, priced at $1,505 found 2 days ago

Alternative airports near Kefalonia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kefalonia Island Intl. EFL. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $572
EFL
Kefalonia Island Intl.
CheapestClosest
Average driving time to city center10 min
Flights from $572
Flights from Sofia (SOF) to Argostolion (EFL)
Origin airport
Sofia
Destination airport
Kefalonia Island Intl.
Roundtrip price
$197
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 September. 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 $73 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?
Lock in a cheap one-way flight from $73 or cheap return flight from $197 from Sofia Airport (SOF) to Kefalonia Island Intl. Airport (EFL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Sofia Airport (SOF) to Kefalonia Island Intl. Airport (EFL)?
The cheapest month to fly from SOF to EFL is September, when demand is low. Off-peak season is often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Sofia Airport (SOF) to Kefalonia Island Intl. Airport (EFL)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SOF to EFL flight.
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.