The cheapest times to fly from SOF to MDW are

  • April 16th to May 6th
  • October 1st to March 25th (except the weeks of December 10th, January 1st, and March 12th)

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 SOF to MDW is early to mid January. Prices can be as high as $1480 for Friday flights during early to mid July, or as low as $669 for Tuesday flights around early to mid January.


When to Fly to Chicago

Flying from Sofia (SOF) to Chicago, IL (MDW) will usually cost between $715 to $1262 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid January with an average ticket price of $732. Due to high demand the most expensive time to fly is early to mid July, with an average price of $1248. Planning your trip to low-cost times can easily save you $516 on economy flights and even more on first-class flights. Generally, any price below $819 can be considered a good price for a round-trip SOF to MDW flight.

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

SOF to MDW Flight Prices

Compared to other flights, the SOF to MDW flight is cheaper than the average and costs slightly more than the average flight leaving from Sofia. The average price per mile (for a direct flight) is $0.1, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to MDW, and Monday the cheapest day to fly back into SOF. Fridays are the most expensive days to fly to Chicago, and Thursdays are the most expensive days to return to Sofia. Selecting flights on the least expensive days could save you up to $108 (12%) 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 $803. Return trip prices are from the MDW to SOF 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 SOF to MDW can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 10 hour 21 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SOF to MDW while comparing.

Destination alternative #1: Chicago O’Hare International Airport (ORD) in Chicago, IL

  • 15 miles (24 km) away from MDW
  • Usually 8.42% less expensive than MDW
  • 1-layover flights available

See SOF to ORD flights


Flight Hacking SOF to MDW

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 SOF to MDW — but Champion Traveler does!

Hack #1: London (SOF > LHR > MDW)

  • Price for both tickets: $602
  • Average savings: $217 (26.5%)

See SOF to DUB flights

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

  • Price for both tickets: $635
  • Average savings: $184 (22.47%)

See SOF to LHR flights

Hack #3: Barcelona (SOF > BCN > MDW)

  • Price for both tickets: $700
  • Average savings: $119 (14.53%)

See SOF to BCN flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 7 major airlines flying this route most often: Air France, Alitalia, Austrian, Delta, KLM, LOT, Lufthansa, and potentially more during busy seasons.

How far away is it from Chicago Midway International Airport to Sofia Airport?

The distance between the two airports is roughly 5201 miles or 8370 kilometers.

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

The real-world flight time for a nonstop SOF to MDW flight is about 10 hour 21 minutes.

How many flights go between Sofia and Chicago, IL?

It depends on the day of the week and the date, but a typical day might have around 33 available flights from SOF to MDW.


Airport Location Info


Departing Airport

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

Return Airport

Destination code MDW
Destination airport name Chicago Midway International Airport
City Chicago, IL
Country the United States
Latitude 41.8
Longitude -87.8


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.