Cheap flights from Illinois to Sofia (SOF) from $413

To save on the cost of your flight from Illinois to Sofia, book at least 61 days before your planned departure. Booking around this time can save you about 6% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $836 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $836.

February is one of the best times of the year to fly to Sofia from Illinois. Prices for February average $670 per person but you can even find prices for as low as $434. The most expensive prices can be found in the month of June. Opting for a February flight can save you 40% on your journey compared to booking in June

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Sofia as you normally would.

Most people fly into Sofia (SOF) if they book a flight to Sofia from Illinois. Sofia is conveniently located just 4.2 mi from Sofia’s city center.

Due to the rapidly changing circumstances due to COVID-19, airlines like Lufthansa, LOT, and Turkish Airlines flying from Illinois to Sofia have implemented new flexible cancellation policies.

Yes, there are multiple flights from Illinois to Sofia for under $600. The cheapest flight booked recently is on Austrian Airlines for just $593, but on average you can expect to pay $626.

There are currently 20+ open flights from Illinois to Sofia within the next 7 days for less than $600.

The cheapest airlines for a one-way flight from Illinois to Sofia are Turkish Airlines ($413), ITA Airways ($471), and British Airways ($577).

While some choose either Lambert-St Louis - Sofia or Chicago Midway - Sofia, Chicago O'Hare Intl - Sofia is the most popular route from Illinois to Sofia.

Before booking your flight from Illinois to Sofia check out the most popular airlines for this route: American Airlines, Air France or British Airways.

The cheapest flight price from Illinois to Sofia is $135. On average you can expect to pay $1,542. The most popular route, (Chicago O'Hare Intl - Sofia), can usually be booked for $579.

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Chicago O'Hare Intl Airport to Sofia Airport flight would often be abbreviated as a ORD to SOF flight. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Champaign University-Willard Airport (CMI).