$137 Cheap Flights from Zürich (ZRH) to Sofia (SOF)

View $137 flight on Mon, May 4, 2026Opens in a new window

Popular airlines from Zurich Airport (ZRH) to Sofia Airport (SOF)

Cheap Flights from Zürich to Sofia (ZRH-SOF)

Prices were available within the past 7 days and start at $137 for one-way flights and $219 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Tue, Jun 9 - Tue, Jun 30
ZRH
Zürich
SOF
Sofia
$219 Roundtrip, found 5 hours ago
$219
Roundtrip
found 5 hours ago
Select Swiss International Air Lines flight, departing Tue, Jun 9 from Zürich to Sofia, returning Tue, Jun 30, priced at $219 found 5 hours ago
Lufthansa
Tue, May 12 - Tue, Jun 2
ZRH
Zürich
SOF
Sofia
$230 Roundtrip, found 1 day ago
$230
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, May 12 from Zürich to Sofia, returning Tue, Jun 2, priced at $230 found 1 day ago
Swiss International Air Lines
Tue, Jun 9 - Tue, Jun 30
ZRH
Zürich
SOF
Sofia
$233 Roundtrip, found 5 hours ago
$233
Roundtrip
found 5 hours ago
Select Swiss International Air Lines flight, departing Tue, Jun 9 from Zürich to Sofia, returning Tue, Jun 30, priced at $233 found 5 hours ago
Swiss International Air Lines
Tue, Jun 9 - Tue, Jun 30
ZRH
Zürich
SOF
Sofia
$239 Roundtrip, found 5 hours ago
$239
Roundtrip
found 5 hours ago
Select Swiss International Air Lines flight, departing Tue, Jun 9 from Zürich to Sofia, returning Tue, Jun 30, priced at $239 found 5 hours ago
Lufthansa
Tue, May 12 - Tue, Jun 2
ZRH
Zürich
SOF
Sofia
$239 Roundtrip, found 1 day ago
$239
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, May 12 from Zürich to Sofia, returning Tue, Jun 2, priced at $239 found 1 day ago
Bulgaria Air
Wed, Apr 22 - Wed, Apr 29
ZRH
Zürich
SOF
Sofia
$240 Roundtrip, found 5 days ago
$240
Roundtrip
found 5 days ago
Select Bulgaria Air flight, departing Wed, Apr 22 from Zürich to Sofia, returning Wed, Apr 29, priced at $240 found 5 days ago
Swiss International Air Lines
Tue, May 12 - Tue, Jun 2
ZRH
Zürich
SOF
Sofia
$243 Roundtrip, found 1 day ago
$243
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Tue, May 12 from Zürich to Sofia, returning Tue, Jun 2, priced at $243 found 1 day ago
Air Serbia
Tue, Jun 9 - Tue, Jun 30
ZRH
Zürich
SOF
Sofia
$248 Roundtrip, found 5 hours ago
$248
Roundtrip
found 5 hours ago
Select Air Serbia flight, departing Tue, Jun 9 from Zürich to Sofia, returning Tue, Jun 30, priced at $248 found 5 hours ago
Lufthansa
Tue, Jun 9 - Tue, Jun 30
ZRH
Zürich
SOF
Sofia
$249 Roundtrip, found 5 hours ago
$249
Roundtrip
found 5 hours ago
Select Lufthansa flight, departing Tue, Jun 9 from Zürich to Sofia, returning Tue, Jun 30, priced at $249 found 5 hours ago
Austrian Airlines
Fri, Apr 10 - Mon, Apr 13
ZRH
Zürich
SOF
Sofia
$267 Roundtrip, found 17 hours ago
$267
Roundtrip
found 17 hours ago
Select Austrian Airlines flight, departing Fri, Apr 10 from Zürich to Sofia, returning Mon, Apr 13, priced at $267 found 17 hours ago

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Frequently asked questions

How much does a flight from Zürich (ZRH) to Sofia (SOF) cost?
You can find cheap one-way flights from $137 and cheap return flights from $219 Zürich (ZRH) to Sofia (SOF) with Expedia. One-way flights typically cost between $145 and $917, and return flights often range between $285 and $1318. 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 Zürich (ZRH) to Sofia (SOF) 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 Zürich (ZRH) to Sofia (SOF)?
The cheapest month to fly from ZRH to SOF is June 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 Zürich (ZRH) to Sofia (SOF)?
2 airlines operate nonstop service from ZRH to SOF:

  • Swiss International Air Lines operates around 7 direct flights from ZRH to SOF every week
  • Bulgaria Air operates around 7 direct flights from ZRH to SOF every week

What is the cheapest airline that flies from Zürich (ZRH) to Sofia (SOF)?
Bulgaria Air is one of the cheapest airlines offering nonstop flights from Zürich (ZRH) to Sofia (SOF), with round-trip tickets starting from around $317. 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 Zürich (ZRH) to Sofia (SOF)?
To find a cheap flight from Zürich (ZRH) to Sofia (SOF), 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 airline to fly with from Zürich (ZRH) to Sofia (SOF)?
The best airline to fly with from Zürich (ZRH) to Sofia (SOF) will differ from traveler to traveler. If you like to fly early, Swiss International Air Lines offers early morning flights. If price is the most important factor, Bulgaria Air typically offers the lowest fares. Swiss International Air Lines also offers the most daily flights from ZRH to SOF, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Zürich (ZRH) to Sofia (SOF)?
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 Zürich (ZRH) to Sofia (SOF)?
On average, there are around 1 nonstop flights per day from (ZRH) to (SOF). For more options, look at flights that include layovers.
What is the earliest flight from Zürich (ZRH) to Sofia (SOF)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from ZRH to SOF. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Zürich (ZRH) to Sofia (SOF)?
The most popular departure times for flights from Zürich (ZRH) to Sofia (SOF) are in the late morning, from 9am to noon. About 31% of passengers prefer this time window. Many major carriers, including Swiss International Air Lines, OS and Bulgaria Air, offer flights during this window. This timing is favored as it allows travelers to have a relaxed morning before heading to the airport.
How long does it take to fly from Zürich (ZRH) to Sofia (SOF)?
Flying nonstop from ZRH to SOF takes around 2 hours 20 minutes, with the route covering approximately 794 miles. Flights with a layover typically take 15 hours 40 minutes longer than direct options. 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 Zürich (ZRH) to Sofia (SOF)?
Business class seats are offered on the ZRH to SOF route. Airlines that offer business class service on this route include:

  • Austrian Airlines
  • LOT Polish Airlines
  • Aegean
  • Swiss International Air Lines
  • Turkish Airlines
  • British Airways
  • Lufthansa
  • KLM
  • Air Dolomiti
  • Air France

How much is a business class flight from Zürich (ZRH) to Sofia (SOF)?
A direct, return business class ticket from Zürich (ZRH) to Sofia (SOF) typically costs between $1,618 - $1,805 per adult. A non-stop, one-way business class flight is usually around $744 - $1,237 per adult. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Zürich (ZRH) to Sofia (SOF) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Zürich (ZRH) to Sofia (SOF) flight with Expedia?
It's easy to earn miles on a Zürich (ZRH) to Sofia (SOF) 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 Zürich (ZRH) to Sofia (SOF) at the last minute?
Typically, booking a last minute flight from Zürich (ZRH) to Sofia (SOF) 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 Zürich (ZRH) to Sofia (SOF) flight and hotel package?
Securing a Zürich (ZRH) to Sofia (SOF) Sofia 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 Zürich (ZRH) to Sofia (SOF)?
If you booked your Zürich (ZRH) to Sofia (SOF) 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
Zürich
Destination airport
Sofia
Airlines serving
Aegean, Air France, Air Serbia, Austrian Airlines, ITA Airways, KLM, LOT-Polish Airlines, Lufthansa, Pegasus Airlines, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines
Roundtrip price
$218
Distance
793 mi
Average flight time
3 hours 12 mins

Book with confidence

Zürich to Sofia Flights

The cheapest times to fly from Zürich to Sofia

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

 

The best time to book a flight from Zürich to Sofia

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

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 Zürich to Sofia in 2026. You can also book with separate airlines for your outbound and return journeys, from $137 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 Zürich to Sofia 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 Zürich to Sofia 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.

 

Zürich to Sofia Flights

*Flight schedules are subject to change.

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*Available to One Key members.