$52 Cheap Flights from Sofia (SOF) to Skiathos (JSI)

View $52 flight on Wed, Sep 23, 2026Opens in a new window

Popular airlines from Sofia Airport (SOF) to Skiathos (JSI-Skiathos Island National)

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Cheap Flights from Sofia to Skiathos (SOF-JSI)

Prices were available within the past 7 days and start at $52 for one-way flights and $102 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Wed, Jul 29 - Wed, Aug 5
SOF
Sofia
JSI
Skiathos
$102 Roundtrip, found 1 day ago
$102
Roundtrip
found 1 day ago
Select Ryanair flight, departing Wed, Jul 29 from Sofia to Skiathos, returning Wed, Aug 5, priced at $102 found 1 day ago
Ryanair
Wed, Sep 23 - Sat, Sep 26
SOF
Sofia
JSI
Skiathos
$133 Roundtrip, found 6 days ago
$133
Roundtrip
found 6 days ago
Select Ryanair flight, departing Wed, Sep 23 from Sofia to Skiathos, returning Sat, Sep 26, priced at $133 found 6 days ago
Ryanair
Sat, Sep 19 - Wed, Sep 23
SOF
Sofia
JSI
Skiathos
$141 Roundtrip, found 6 days ago
$141
Roundtrip
found 6 days ago
Select Ryanair flight, departing Sat, Sep 19 from Sofia to Skiathos, returning Wed, Sep 23, priced at $141 found 6 days ago
Austrian Airlines
Wed, Jul 29 - Wed, Aug 5
SOF
Sofia
JSI
Skiathos
$185 Roundtrip, found 1 day ago
$185
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Wed, Jul 29 from Sofia to Skiathos, returning Wed, Aug 5, priced at $185 found 1 day ago
Aegean
Sat, Sep 19 - Wed, Sep 23
SOF
Sofia
JSI
Skiathos
$211 Roundtrip, found 6 days ago
$211
Roundtrip
found 6 days ago
Select Aegean flight, departing Sat, Sep 19 from Sofia to Skiathos, returning Wed, Sep 23, priced at $211 found 6 days ago
Austrian Airlines
Wed, Jul 29 - Wed, Aug 5
SOF
Sofia
JSI
Skiathos
$211 Roundtrip, found 1 day ago
$211
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Wed, Jul 29 from Sofia to Skiathos, returning Wed, Aug 5, priced at $211 found 1 day ago
Ryanair
Sat, Sep 19 - Wed, Sep 23
SOF
Sofia
JSI
Skiathos
$216 Roundtrip, found 6 days ago
$216
Roundtrip
found 6 days ago
Select Ryanair flight, departing Sat, Sep 19 from Sofia to Skiathos, returning Wed, Sep 23, priced at $216 found 6 days ago
Austrian Airlines
Wed, Jul 29 - Wed, Aug 5
SOF
Sofia
JSI
Skiathos
$220 Roundtrip, found 1 day ago
$220
Roundtrip
found 1 day ago
Select Austrian Airlines flight, departing Wed, Jul 29 from Sofia to Skiathos, returning Wed, Aug 5, priced at $220 found 1 day ago
Aegean
Sat, Sep 19 - Wed, Sep 23
SOF
Sofia
JSI
Skiathos
$225 Roundtrip, found 6 days ago
$225
Roundtrip
found 6 days ago
Select Aegean flight, departing Sat, Sep 19 from Sofia to Skiathos, returning Wed, Sep 23, priced at $225 found 6 days ago
SKY express
Wed, Jul 29 - Wed, Aug 5
SOF
Sofia
JSI
Skiathos
$327 Roundtrip, found 1 day ago
$327
Roundtrip
found 1 day ago
Select SKY express flight, departing Wed, Jul 29 from Sofia to Skiathos, returning Wed, Aug 5, priced at $327 found 1 day ago
Flights from Sofia (SOF) to Skiathos (JSI)
Origin airport
Sofia
Destination airport
Skiathos Island National
Roundtrip price
$101
Distance
242 mi

Sofia to Skiathos Flights

The cheapest times to fly from Sofia to Skiathos

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 Skiathos are during the month of July. You can find some of the cheapest flights from Sofia to Skiathos with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sofia to Skiathos

Sunday is one of the best days to book for cheap flights from Sofia to Skiathos: 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 Skiathos

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 Skiathos in 2026. You can also book with separate airlines for your outbound and return journeys, from $52 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 Skiathos 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 Skiathos 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 (SOF) to Skiathos (JSI-Skiathos Island National) cost?
You can find cheap one-way flights from $52 and cheap return flights from $102 Sofia (SOF) to Skiathos (JSI-Skiathos Island National) with Expedia. Return flights typically cost between $250 and $1622. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Sofia (SOF) to Skiathos (JSI-Skiathos Island National) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Sofia (SOF) to Skiathos (JSI-Skiathos Island National)?
The cheapest month to fly from SOF to JSI is July when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Sofia (SOF) to Skiathos (JSI-Skiathos Island National)?
Ryanair offers around 7 weekly direct flights from SOF to JSI.
What is the cheapest airline that flies from Sofia (SOF) to Skiathos (JSI-Skiathos Island National)?
Ryanair is one of the cheapest airlines offering nonstop flights from Sofia (SOF) to Skiathos (JSI), with round-trip tickets starting from around $211.193. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Sofia (SOF) to Skiathos (JSI-Skiathos Island National)?
To find a cheap flight from Sofia (SOF) to Skiathos (JSI-Skiathos Island National), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Sofia (SOF) to Skiathos (JSI-Skiathos Island National)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Sofia (SOF) to Skiathos (JSI-Skiathos Island National)?
You can find approximately 1 nonstop flights per day from (SOF) to Skiathos Island National (JSI). For more options, look at flights that include layovers.
What is the earliest flight from Sofia (SOF) to Skiathos (JSI-Skiathos Island National)?
The earliest flight from Sofia (SOF) to Skiathos Island National Airport (JSI) usually leaves at around 6:30 AM, operated by Ryanair. This flight is part of a seasonal service active in August, and an early start can give you a full day to enjoy the beautiful beaches of Skiathos. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Sofia (SOF) to Skiathos (JSI-Skiathos Island National)?
a Saturday typically has the most flights from (SOF) to Skiathos Island National (JSI), with approximately 2 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Ryanair and LOT-Polish Airlines.
What are the most popular departure times for flights from Sofia (SOF) to Skiathos (JSI-Skiathos Island National)?
The most popular departure times for flights from Sofia (SOF) to Skiathos (JSI) are in the evening, from 6pm to 9pm. About 91% of passengers prefer this time window. Many major carriers, including LOT Polish Airlines, offer flights during this window. This timing works well for travelers looking to enjoy a relaxing evening in Skiathos after their flight.
How long does it take to fly from Sofia (SOF) to Skiathos (JSI-Skiathos Island National)?
A nonstop flight from SOF to JSI typically takes around 1 hour, covering approximately 243 miles. Connecting flights on this route usually add 15 hours 50 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Sofia (SOF) to Skiathos (JSI-Skiathos Island National)?
Select the "Business class" and "First class" filters when looking for SOF to JSI flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Sofia (SOF) to Skiathos (JSI-Skiathos Island National) flight with Expedia?
It's easy to earn miles on a Sofia (SOF) to Skiathos (JSI-Skiathos Island National) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Skiathos from SOF (SOF)?
From SOF (SOF), you can fly typically into Skiathos Island National (JSI) to reach Skiathos. Some flights may connect through major hubs like Frederic Chopin (WAW) before reaching Skiathos. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Sofia (SOF) to Skiathos (JSI-Skiathos Island National) at the last minute?
Typically, booking a last minute flight from Sofia (SOF) to Skiathos (JSI-Skiathos Island National) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. 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 Sofia (SOF) to Skiathos (JSI-Skiathos Island National) flight and hotel package?
Securing a Sofia (SOF) to Skiathos (JSI-Skiathos Island National) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sofia (SOF) to Skiathos (JSI-Skiathos Island National)?
If you booked your Sofia (SOF) to Skiathos (JSI-Skiathos Island National) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

*Flight schedules are subject to change.

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