The cheapest times to fly from SOF to HOU are

  • January 8th to May 6th (except the week of March 19th)
  • October 1st 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 SOF to HOU is early to mid February. Prices can be as high as $1659 for Saturday flights during mid July, or as low as $705 for Tuesday flights around early to mid February.


When to Fly to Houston

Flying from Sofia (SOF) to Houston, TX (HOU) will usually cost between $722 to $1329 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid February with an average ticket price of $737. Due to high demand the most expensive time to fly is mid July, with an average price of $1418. Planning your trip to low-cost times can easily save you $681 on economy flights and even more on first-class flights. Generally, any price below $857 can be considered a good price for a round-trip SOF to HOU flight.

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

SOF to HOU Flight Prices

Compared to other flights, the SOF to HOU 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 $0.09, 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 Houston, and Sundays are the most expensive days to return to Sofia. Selecting flights on the least expensive days could save you up to $153 (13%) 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 $860. Return trip prices are from the HOU 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 HOU can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 11 hour 58 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 HOU while comparing.

Destination alternative #1: George Bush Intercontinental/Houston Airport (IAH) in Houston, TX

  • 24 miles (39 km) away from HOU
  • Usually 12.37% less expensive than HOU
  • 1-layover flights available

See SOF to IAH flights

Destination alternative #2: Austin – Bergstrom International Airport (AUS) in Austin, TX

  • 148 miles (238 km) away from HOU
  • Usually 5.60% less expensive than HOU
  • 1-layover flights available

See SOF to AUS flights


Flight Hacking SOF to HOU

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 HOU — but Champion Traveler does!

Hack #1: Copenhagen (SOF > CPH > HOU)

  • Price for both tickets: $714
  • Average savings: $143 (16.69%)

See SOF to IST flights

Hack #2: Istanbul (SOF > IST > HOU)

  • Price for both tickets: $779
  • Average savings: $78 (9.1%)

See SOF to CPH flights

Hack #3: Moscow (SOF > SVO > HOU)

  • Price for both tickets: $800
  • Average savings: $57 (6.65%)

See SOF to SVO flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 11 major airlines flying this route most often: Air France, Alitalia, American, British Airways, Delta, El Al, JetBlue, KLM, Lufthansa, Singapore Airlines, United, and potentially more during busy seasons.

How far away is it from William P Hobby Airport to Sofia Airport?

The distance between the two airports is roughly 6103 miles or 9822 kilometers.

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

The real-world flight time for a nonstop SOF to HOU flight is about 11 hour 58 minutes.

How many flights go between Sofia and Houston, TX?

It depends on the day of the week and the date, but a typical day might have around 14 available flights from SOF to HOU.


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 HOU
Destination airport name William P Hobby Airport
City Houston, TX
Country the United States
Latitude 29.6
Longitude -95.3


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.