$141 Cheap Flights from Sofia (SOF) to Iasi (IAS)

View $141 flight on Wed, Oct 15, 2025Opens in a new window

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

Cheap Flights from Sofia to Iasi (SOF-IAS)

Prices were available within the past 7 days and start at $141 for one-way flights and $177 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Austrian Airlines
Wed, Oct 15 - Mon, Oct 20
SOF
Sofia
IAS
Iasi
$177 Roundtrip, found 5 days ago
$177
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Wed, Oct 15 from Sofia to Iasi, returning Mon, Oct 20, priced at $177 found 5 days ago
Austrian Airlines
Wed, Oct 15 - Mon, Oct 20
SOF
Sofia
IAS
Iasi
$193 Roundtrip, found 5 days ago
$193
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Wed, Oct 15 from Sofia to Iasi, returning Mon, Oct 20, priced at $193 found 5 days ago
Austrian Airlines
Wed, Oct 15 - Mon, Oct 20
SOF
Sofia
IAS
Iasi
$210 Roundtrip, found 5 days ago
$210
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Wed, Oct 15 from Sofia to Iasi, returning Mon, Oct 20, priced at $210 found 5 days ago
Austrian Airlines
Wed, Oct 15 - Mon, Oct 20
SOF
Sofia
IAS
Iasi
$212 Roundtrip, found 5 days ago
$212
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Wed, Oct 15 from Sofia to Iasi, returning Mon, Oct 20, priced at $212 found 5 days ago
Austrian Airlines
Wed, Oct 15 - Mon, Oct 20
SOF
Sofia
IAS
Iasi
$214 Roundtrip, found 5 days ago
$214
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Wed, Oct 15 from Sofia to Iasi, returning Mon, Oct 20, priced at $214 found 5 days ago
Austrian Airlines
Wed, Oct 15 - Mon, Oct 20
SOF
Sofia
IAS
Iasi
$225 Roundtrip, found 5 days ago
$225
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Wed, Oct 15 from Sofia to Iasi, returning Mon, Oct 20, priced at $225 found 5 days ago
Lufthansa
Wed, Oct 15 - Mon, Oct 20
SOF
Sofia
IAS
Iasi
$260 Roundtrip, found 5 days ago
$260
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Wed, Oct 15 from Sofia to Iasi, returning Mon, Oct 20, priced at $260 found 5 days ago
Tarom-Romanian Air Transport
Wed, Oct 15 - Mon, Oct 20
SOF
Sofia
IAS
Iasi
$409 Roundtrip, found 5 days ago
$409
Roundtrip
found 5 days ago
Select Tarom-Romanian Air Transport flight, departing Wed, Oct 15 from Sofia to Iasi, returning Mon, Oct 20, priced at $409 found 5 days ago
Air Serbia
Thu, Sep 18 - Thu, Sep 25
SOF
Sofia
IAS
Iasi
$477 Roundtrip, found 10 hours ago
$477
Roundtrip
found 10 hours ago
Select Air Serbia flight, departing Thu, Sep 18 from Sofia to Iasi, returning Thu, Sep 25, priced at $477 found 10 hours ago
Turkish Airlines
Fri, Aug 22 - Fri, Aug 29
SOF
Sofia
IAS
Iasi
$867 Roundtrip, found 2 days ago
$867
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Fri, Aug 22 from Sofia to Iasi, returning Fri, Aug 29, priced at $867 found 2 days ago

Alternative airports near Iasi

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Iasi IAS. Cheapest and Closest option available. Average driving time to city center is 9 minutes. Flights from $409
IAS
Iasi
CheapestClosest
Average driving time to city center9 min
Flights from $409
Flights from Sofia (SOF) to Iasi (IAS)
Origin airport
Sofia
Destination airport
Iasi
Airlines serving
Air Serbia, Austrian Airlines, Lufthansa, Tarom-Romanian Air Transport
Roundtrip price
$176
Distance
372 mi

Sofia to Iasi Flights

The cheapest times to fly from Sofia to Iasi

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

 

The best time to book a flight from Sofia to Iasi

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

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 Iasi in 2025. You can also book with separate airlines for your outbound and return journeys, from $141 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 Iasi 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 Iasi 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 Airport (SOF) to Iasi Airport (IAS) cost?
Secure a cheap one-way flight from $141 or cheap return flight from $177 from Sofia Airport (SOF) to Iasi Airport (IAS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Sofia Airport (SOF) to Iasi Airport (IAS)?
Planning your getaway for October can help you save, as it's the cheapest month for flights between SOF and IAS. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Sofia Airport (SOF) to Iasi Airport (IAS)?
To find the cheapest airline flying from SOF to IAS, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Sofia Airport (SOF) to Iasi Airport (IAS)?
Nonstop flights from Sofia Airport (SOF) to Iasi Airport (IAS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SOF to IAS?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a range of factors, including 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 Sofia Airport (SOF) to Iasi Airport (IAS)?
Book a flight from Sofia Airport (SOF) to Iasi Airport (IAS) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Sofia Airport (SOF) to Iasi Airport (IAS) last-minute?
Waiting until just before your trip to book a ticket from SOF to IAS often results in higher prices. Although you may find some last-minute offers, they're not always guaranteed. Keep your travel plans flexible for a better chance of snagging a bargain.
Is it cheaper to book a SOF to IAS flight and hotel package?
Compared with arranging flights and hotels separately, booking a SOF to IAS flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place takes the hassle out of travel planning. Simply pick your flights and choose from our wide range of stays, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Iasi Airport (IAS)?
Typically, it's possible to cancel or reschedule your SOF to IAS flight. However, if it's been more than 24 hours since booking, additional charges 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 further details on our Customer Service portal.

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*Available to One Key members.