The cheapest times to fly from CVG to SOF are

  • January 1st to May 13th (except the weeks of April 2nd and April 9th)
  • October 8th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from CVG to SOF is mid January. Prices can be as high as $1777 for Saturday flights during early June, or as low as $599 for Tuesday flights around mid January.


When to Fly to Sofia

Flying from Cincinnati, OH (CVG) to Sofia (SOF) will usually cost between $852 to $1673 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid January with an average ticket price of $870. Due to high demand the most expensive time to fly is early June, with an average price of $1627. Planning your trip to low-cost times can easily save you $757 on economy flights and even more on first-class flights. Generally, any price below $1073 can be considered a good price for a round-trip CVG to SOF flight.

See below for a graph of average weekly prices for the CVG to SOF route. All prices are for round-trip tickets in USD.

CVG to SOF Flight Prices

Compared to other flights, the CVG to SOF flight is priced close to the average and costs slightly more than the average flight leaving from Cincinnati. The average price per mile (for a direct flight) is $0.13, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly to Sofia, and Fridays are the most expensive days to return to Cincinnati. Selecting flights on the least expensive days could save you up to $122 (10%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1079. Return trip prices are from the SOF to CVG flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from CVG to SOF can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 10 hour 22 minutes may not be realistic.


Flight Hacking CVG to SOF

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from CVG to SOF — but Champion Traveler does!

Hack #1: Paris (CVG > CDG > SOF)

  • Price for both tickets: $684
  • Average savings: $390 (36.3%)

See CVG to CDG flights

Hack #2: Dublin (CVG > DUB > SOF)

  • Price for both tickets: $798
  • Average savings: $275 (25.63%)

See CVG to DUB flights

Hack #3: Chicago, IL (CVG > ORD > SOF)

  • Price for both tickets: $837
  • Average savings: $237 (22.04%)

See CVG to ORD flights


Flight Questions Answered

Still have questions about flying from CVG to SOF? We’ve got answers.

Which airlines fly this route?

You can find 15 major airlines flying this route most often: Air Canada, Air France, Air Serbia, Alitalia, American, Austrian, British Airways, Delta, Iberia, KLM, LOT, Lufthansa, SWISS, Turkish Airlines, United, and potentially more during busy seasons.

How far away is it from Sofia Airport to Cincinnati/Northern Kentucky International Airport?

The distance between the two airports is roughly 5217 miles or 8396 kilometers.

How long does it take to fly from CVG to SOF?

The real-world flight time for a nonstop CVG to SOF flight is about 10 hour 22 minutes.

How many flights go between Cincinnati, OH and Sofia?

It depends on the day of the week and the date, but a typical day might have around 46 available flights from CVG to SOF.


Airport Location Info


Departing Airport

Origination code CVG
Origination airport name Cincinnati/Northern Kentucky International Airport
City Cincinnati, OH
Country the United States
Latitude 39
Longitude -84.7

Return Airport

Destination code SOF
Destination airport name Sofia Airport
City Sofia
Country Bulgaria
Latitude 42.7
Longitude 23.4


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.