$589 Cheap Flights from Sofia (SOF) to Constanta (CND)

View $589 flight on Mon, Sep 29, 2025Opens in a new window

Popular airlines from Sofia Airport (SOF) to Constanta (CND-Mihail Kogalniceanu)

Cheap Flights from Sofia to Constanta (SOF-CND)

Prices were available within the past 7 days and start at $589 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Sofia Airport (SOF) to Mihail Kogalniceanu Airport (CND) cost?
Snag a cheap one-way flight from $589 or cheap return flight from Sofia Airport (SOF) to Mihail Kogalniceanu Airport (CND) 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 Mihail Kogalniceanu Airport (CND)?
Planning your trip for may help you find better deals, as it's the cheapest month for flights between SOF and CND. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Sofia Airport (SOF) to Mihail Kogalniceanu Airport (CND)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from SOF to CND. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Sofia Airport (SOF) to Mihail Kogalniceanu Airport (CND)?
Nonstop flights from Sofia Airport (SOF) to Mihail Kogalniceanu Airport (CND) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SOF to CND?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on various factors, such as the season and airline.*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 Mihail Kogalniceanu Airport (CND)?
To avoid possible delays on the Sofia Airport (SOF) to Mihail Kogalniceanu Airport (CND) route, aim to fly before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Mihail Kogalniceanu Airport (CND) last-minute?
Booking your ticket from SOF to CND right before your trip is usually more expensive. However, if you're flexible with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a SOF to CND flight and hotel package?
Compared with arranging flights and hotels separately, booking a SOF to CND flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place will take the hassle out of planning your trip. Simply pick your flights and choose from our extensive range of stays, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Mihail Kogalniceanu Airport (CND)?
If you booked your SOF to CND flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Sofia
Destination airport
Mihail Kogalniceanu
Distance
279 mi

Book with confidence

Book with confidence

Sofia to Constanta Flights

The cheapest times to fly from Sofia to Constanta

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

 

The best time to book a flight from Sofia to Constanta

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

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 Constanta in 2025. You can also book with separate airlines for your outbound and return journeys, from $589 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 Constanta 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 Constanta 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 Constanta Flights

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*Available to One Key members.