$108 Cheap Flights from Iasi (IAS) to Sofia (SOF)

View $108 flight on Fri, Nov 21, 2025Opens in a new window

Popular airlines from Iasi (IAS) to Sofia Airport (SOF)

Cheap Flights from Iasi to Sofia (IAS-SOF)

Prices were available within the past 7 days and start at $108 for one-way flights and $268 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Austrian Airlines
Fri, Nov 21 - Mon, Nov 24
IAS
Iasi
SOF
Sofia
$268 Roundtrip, found 5 days ago
$268
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Fri, Nov 21 from Iasi to Sofia, returning Mon, Nov 24, priced at $268 found 5 days ago
Austrian Airlines
Fri, Nov 21 - Mon, Nov 24
IAS
Iasi
SOF
Sofia
$283 Roundtrip, found 5 days ago
$283
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Fri, Nov 21 from Iasi to Sofia, returning Mon, Nov 24, priced at $283 found 5 days ago
Austrian Airlines
Fri, Nov 21 - Mon, Nov 24
IAS
Iasi
SOF
Sofia
$285 Roundtrip, found 5 days ago
$285
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Fri, Nov 21 from Iasi to Sofia, returning Mon, Nov 24, priced at $285 found 5 days ago
Austrian Airlines
Fri, Nov 21 - Mon, Nov 24
IAS
Iasi
SOF
Sofia
$295 Roundtrip, found 5 days ago
$295
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Fri, Nov 21 from Iasi to Sofia, returning Mon, Nov 24, priced at $295 found 5 days ago
Lufthansa
Fri, Nov 21 - Mon, Nov 24
IAS
Iasi
SOF
Sofia
$323 Roundtrip, found 5 days ago
$323
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Fri, Nov 21 from Iasi to Sofia, returning Mon, Nov 24, priced at $323 found 5 days ago
Lufthansa
Fri, Nov 21 - Mon, Nov 24
IAS
Iasi
SOF
Sofia
$330 Roundtrip, found 5 days ago
$330
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Fri, Nov 21 from Iasi to Sofia, returning Mon, Nov 24, priced at $330 found 5 days ago
Austrian Airlines
Fri, Nov 21 - Mon, Nov 24
IAS
Iasi
SOF
Sofia
$330 Roundtrip, found 5 days ago
$330
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Fri, Nov 21 from Iasi to Sofia, returning Mon, Nov 24, priced at $330 found 5 days ago
Tarom-Romanian Air Transport
Fri, Nov 21 - Mon, Nov 24
IAS
Iasi
SOF
Sofia
$354 Roundtrip, found 5 days ago
$354
Roundtrip
found 5 days ago
Select Tarom-Romanian Air Transport flight, departing Fri, Nov 21 from Iasi to Sofia, returning Mon, Nov 24, priced at $354 found 5 days ago
Air Serbia
Fri, Nov 21 - Mon, Nov 24
IAS
Iasi
SOF
Sofia
$477 Roundtrip, found 5 days ago
$477
Roundtrip
found 5 days ago
Select Air Serbia flight, departing Fri, Nov 21 from Iasi to Sofia, returning Mon, Nov 24, priced at $477 found 5 days ago
Turkish Airlines
Fri, Nov 21 - Mon, Nov 24
IAS
Iasi
SOF
Sofia
$876 Roundtrip, found 5 days ago
$876
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Fri, Nov 21 from Iasi to Sofia, returning Mon, Nov 24, priced at $876 found 5 days ago

Frequently asked questions

How much does a flight from Iasi Airport (IAS) to Sofia Airport (SOF) cost?
Snag a cheap one-way flight from $108 or cheap return flight from $268 from Iasi Airport (IAS) to Sofia Airport (SOF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Iasi Airport (IAS) to Sofia Airport (SOF)?
November is the least expensive month to fly from IAS to SOF. Avoiding peak travel times is often the key to finding better deals on flights.
What is the cheapest airline that flies from Iasi Airport (IAS) to Sofia Airport (SOF)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest IAS to SOF flight.
How many flights per day from Iasi Airport (IAS) to Sofia Airport (SOF)?
You'll have to catch a flight with a layover when traveling from Iasi Airport (IAS) to Sofia Airport (SOF). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from IAS to SOF?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Iasi Airport (IAS) to Sofia Airport (SOF)?
To touch down at Sofia Airport (SOF) on time, opt for a flight that leaves Iasi Airport (IAS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Iasi Airport (IAS) to Sofia Airport (SOF) last-minute?
Booking your plane ticket from IAS to SOF right before your trip is usually more expensive. However, if you're flexible with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book an IAS to SOF flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAS to SOF flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place takes the hassle out of planning your trip. Just secure your flights and select from our wide range of hotels, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Iasi Airport (IAS) to Sofia Airport (SOF)?
It's usually possible to cancel or reschedule your IAS to SOF flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Iasi
Destination airport
Sofia
Roundtrip price
$268
Distance
372 mi

Book with confidence

Iasi to Sofia Flights

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

 

The best time to book a flight from Iasi to Sofia

Sunday is one of the best days to book for cheap flights from Iasi 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 Iasi 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 Iasi to Sofia in 2025. You can also book with separate airlines for your outbound and return journeys, from $108 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 Iasi 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 Iasi 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.

 

Iasi to Sofia Flights

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*Available to One Key members.