$733 Cheap Flights from Perth (PER) to Sofia (SOF)

View $733 flight on Mon, Jul 6, 2026Opens in a new window

Popular airlines from Perth Airport (PER) to Sofia Airport (SOF)

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Cheap Flights from Perth to Sofia (PER-SOF)

Prices were available within the past 7 days and start at $733 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Perth (PER) to Sofia (SOF)
Origin airport
Perth
Destination airport
Sofia
Distance
7788 mi

Perth to Sofia Flights

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

 

The best time to book a flight from Perth to Sofia

Sunday is one of the best days to book for cheap flights from Perth 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 Perth 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 Perth to Sofia in 2025. You can also book with separate airlines for your outbound and return journeys, from $733 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 Perth 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 Perth 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.

 

Frequently asked questions

How much does a flight from Perth Airport (PER) to Sofia Airport (SOF) cost?
Snag a cheap one-way flight from $733 or cheap return flight from Perth Airport (PER) to Sofia Airport (SOF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Perth Airport (PER) to Sofia Airport (SOF)?
is the least expensive month to fly from PER to SOF. Planning your trip for the off-season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Perth Airport (PER) to Sofia Airport (SOF)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest PER to SOF flight.
How many flights per day from Perth Airport (PER) to Sofia Airport (SOF)?
There aren't any daily nonstop flights available from Perth Airport (PER) to Sofia Airport (SOF). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from PER to SOF?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a range of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Perth Airport (PER) to Sofia Airport (SOF)?
To avoid potential delays on the Perth Airport (PER) to Sofia Airport (SOF) route, aim to travel before 3 PM. Departures after this hour are 22% more likely to be 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 Perth Airport (PER) to Sofia Airport (SOF) last-minute?
Waiting until right before your break to book your flight from PER to SOF often results in higher prices. While you might find some last-minute discounts, there's no guarantee. Be flexible with your travel plans for a better chance of snagging a bargain.
Is it cheaper to book a PER to SOF flight and hotel package?
You can save money by booking a PER to SOF flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've selected your ideal flights and accommodations, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Perth Airport (PER) to Sofia Airport (SOF)?
In most cases, you can cancel or reschedule your PER to SOF flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

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*Available to One Key members.