$139 Cheap Flights from Sofia (SOF) to Zakynthos (ZTH)

View $139 flight on Wed, Jul 1, 2026Opens in a new window

Popular airlines from Sofia Airport (SOF) to Zakynthos (ZTH-Zakynthos Intl.)

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Cheap Flights from Sofia to Zakynthos (SOF-ZTH)

Prices were available within the past 7 days and start at $139 for one-way flights and $226 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Austrian Airlines
Mon, Aug 10 - Mon, Aug 17
SOF
Sofia
ZTH
Zakynthos
$226 Roundtrip, found 6 days ago
$226
Roundtrip
found 6 days ago
Select Austrian Airlines flight, departing Mon, Aug 10 from Sofia to Zakynthos, returning Mon, Aug 17, priced at $226 found 6 days ago
Austrian Airlines
Wed, Jul 1 - Mon, Jul 6
SOF
Sofia
ZTH
Zakynthos
$234 Roundtrip, found 9 hours ago
$234
Roundtrip
found 9 hours ago
Select Austrian Airlines flight, departing Wed, Jul 1 from Sofia to Zakynthos, returning Mon, Jul 6, priced at $234 found 9 hours ago
Austrian Airlines
Wed, Jul 1 - Mon, Jul 6
SOF
Sofia
ZTH
Zakynthos
$251 Roundtrip, found 9 hours ago
$251
Roundtrip
found 9 hours ago
Select Austrian Airlines flight, departing Wed, Jul 1 from Sofia to Zakynthos, returning Mon, Jul 6, priced at $251 found 9 hours ago
Austrian Airlines
Thu, Jul 9 - Mon, Jul 20
SOF
Sofia
ZTH
Zakynthos
$252 Roundtrip, found 5 days ago
$252
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Thu, Jul 9 from Sofia to Zakynthos, returning Mon, Jul 20, priced at $252 found 5 days ago
Austrian Airlines
Wed, Jul 1 - Mon, Jul 6
SOF
Sofia
ZTH
Zakynthos
$262 Roundtrip, found 9 hours ago
$262
Roundtrip
found 9 hours ago
Select Austrian Airlines flight, departing Wed, Jul 1 from Sofia to Zakynthos, returning Mon, Jul 6, priced at $262 found 9 hours ago
Lufthansa
Thu, Jul 9 - Mon, Jul 20
SOF
Sofia
ZTH
Zakynthos
$266 Roundtrip, found 5 days ago
$266
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Thu, Jul 9 from Sofia to Zakynthos, returning Mon, Jul 20, priced at $266 found 5 days ago
Lufthansa
Thu, Jul 9 - Mon, Jul 20
SOF
Sofia
ZTH
Zakynthos
$267 Roundtrip, found 5 days ago
$267
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Thu, Jul 9 from Sofia to Zakynthos, returning Mon, Jul 20, priced at $267 found 5 days ago
Swiss International Air Lines
Thu, Jul 9 - Mon, Jul 20
SOF
Sofia
ZTH
Zakynthos
$305 Roundtrip, found 5 days ago
$305
Roundtrip
found 5 days ago
Select Swiss International Air Lines flight, departing Thu, Jul 9 from Sofia to Zakynthos, returning Mon, Jul 20, priced at $305 found 5 days ago
Aegean
Thu, Jul 9 - Mon, Jul 20
SOF
Sofia
ZTH
Zakynthos
$359 Roundtrip, found 5 days ago
$359
Roundtrip
found 5 days ago
Select Aegean flight, departing Thu, Jul 9 from Sofia to Zakynthos, returning Mon, Jul 20, priced at $359 found 5 days ago
SKY express
Fri, Jun 5 - Sun, Jun 7
SOF
Sofia
ZTH
Zakynthos
$404 Roundtrip, found 5 days ago
$404
Roundtrip
found 5 days ago
Select SKY express flight, departing Fri, Jun 5 from Sofia to Zakynthos, returning Sun, Jun 7, priced at $404 found 5 days ago

Frequently asked questions

How much does a flight from Sofia (SOF) to Zakynthos (ZTH-Zakynthos Intl.) cost?
You can find cheap one-way flights from $139 and cheap return flights from $226 SOF to ZTH with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when SOF to ZTH ticket fares go up or down.
What is the cheapest month to fly from Sofia (SOF) to Zakynthos (ZTH-Zakynthos Intl.)?
The cheapest month to fly from SOF to ZTH is August 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 Zakynthos (ZTH-Zakynthos Intl.)?
Enter SOF to ZTH and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Sofia (SOF) to Zakynthos (ZTH-Zakynthos Intl.)?
Lufthansa, LOT-Polish Airlines and Aegean are just some of the carriers that fly from Sofia (SOF) to Zakynthos (ZTH). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. 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 Zakynthos (ZTH-Zakynthos Intl.)?
To find a cheap flight from Sofia (SOF) to Zakynthos (ZTH-Zakynthos Intl.), 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 Zakynthos (ZTH-Zakynthos Intl.)?
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.
What is the earliest flight from Sofia (SOF) to Zakynthos (ZTH-Zakynthos Intl.)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from SOF to ZTH. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Sofia (SOF) to Zakynthos (ZTH-Zakynthos Intl.)?
Flights from SOF to ZTH with one stop typically take around 10 hours, covering approximately 366 miles. 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 Zakynthos (ZTH-Zakynthos Intl.)?
Select the "Business class" and "First class" filters when looking for SOF to ZTH 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 Zakynthos (ZTH-Zakynthos Intl.) flight with Expedia?
It's easy to earn miles on a Sofia (SOF) to Zakynthos (ZTH-Zakynthos Intl.) 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.
Is it cheaper to buy a plane ticket from Sofia (SOF) to Zakynthos (ZTH-Zakynthos Intl.) at the last minute?
Typically, booking a last minute flight from Sofia (SOF) to Zakynthos (ZTH-Zakynthos Intl.) 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 Zakynthos (ZTH-Zakynthos Intl.) flight and hotel package?
Securing a Sofia (SOF) to Zakynthos (ZTH-Zakynthos Intl.) Zakynthos Vacation Packages 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 Zakynthos (ZTH-Zakynthos Intl.)?
If you booked your Sofia (SOF) to Zakynthos (ZTH-Zakynthos Intl.) 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.

Travel information

Origin airport
Sofia
Destination airport
Zakynthos Intl.
Roundtrip price
$225
Distance
366 mi

Book with confidence

Sofia to Zakynthos Flights

The cheapest times to fly from Sofia to Zakynthos

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

 

The best time to book a flight from Sofia to Zakynthos

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

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 Zakynthos in 2026. You can also book with separate airlines for your outbound and return journeys, from $139 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 Zakynthos 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 Zakynthos 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.

 

Sofia to Zakynthos Flights

*Flight schedules are subject to change.

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*Available to One Key members.