Question : Who's offering the cheapest round-trip flight to Sofia Airport (SOF) over the coming months?
Answer : United Airlines is your best bet for finding that coveted low fare. They're offering fares as low as $2,075, while prices for other flights are as high as $3,996.
Question : Do prices fluctuate more for this route than others?
Answer : Flight prices are fluctuating more for this route than the majority of routes from the United States, as they're ranging from $2,075 to $3,996. However, the sooner you book, the more you'll be able to save.
Question : How long do most people visit Sofia?
Answer : Of course you're not most people, but if you were, you'd stay roughly 34 days.