Title: Charleston to Sofia cheap flights from $319 (CHS to SOF) - Expedia.com ![Ivan Vazov National Theatre which includes heritage architecture](https://images.trvl-media.com/place/6097820/e84c7119-8c1f-4bb6-91b5-7cb881e80956.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6097820/e84c7119-8c1f-4bb6-91b5-7cb881e80956.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $319 Cheap Flights from Charleston (CHS) to Sofia (SOF) [View $319 flight on Tue, Aug 18, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:CHS,to:SOF,departure:8/18/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:318.30&airProductToken=AQqoAQo_CMKCARIEMTkzMhjikQEgo7EBKIa1lQMwuLaVAzhPQABYAWoFTk9CQUdyCE9MWDlDOUJWegoIz5ABEgQxOTMyCjIIwoIBEgMxOTIYo7EBIOuJASjIuJUDMPO8lQM4T0ABWAFqBU5PQkFHcghPTFg5QzlCVgoxCMKCARIDODkyGOuJASDSKyjyvpUDMLrAlQM4T0ABWAFqBU5PQkFHcghPTFg5QzlCVhIKCAEQARgBKgJCQRgBIgQIARABKAIoAzAN) ## Popular airlines from Charleston Intl. Airport (CHS) to Sofia Airport (SOF) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.com/Flights-Search?leg1=from:CHS,to:SOF,departure:4/9/2026TANYT&leg2=from:SOF,to:CHS,departure:4/16/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TK.svg) Turkish Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CHS,to:SOF,departure:4/9/2026TANYT&leg2=from:SOF,to:CHS,departure:4/16/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TK"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.com/Flights-Search?leg1=from:CHS,to:SOF,departure:4/9/2026TANYT&leg2=from:SOF,to:CHS,departure:4/16/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.com/Flights-Search?leg1=from:CHS,to:SOF,departure:4/9/2026TANYT&leg2=from:SOF,to:CHS,departure:4/16/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_OS.svg) Austrian Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CHS,to:SOF,departure:4/9/2026TANYT&leg2=from:SOF,to:CHS,departure:4/16/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"OS"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Charleston to Sofia (CHS-SOF) Prices were available within the past 7 days and start at $319 for one-way flights and $750 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Tue, Aug 18 - Wed, Aug 26 CHS Charleston SOF Sofia $750 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHS,to:SOF,departure:8/18/2026TANYT&leg2=from:SOF,to:CHS,departure:8/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:749.73&airProductToken=AQqwAQpCCMyQARIENzc1NRjikQEgxI0BKLK2lQMwqLeVAzhMQABYAWoIRUNPTElHSFRyCExMSTkwVUJRegoI1YIBEgQyNjkzCjQIzJABEgM0MTMYxI0BIIwVKL64lQMwj7yVAzhMQAFYAWoIRUNPTElHSFRyCExMSTkwVUJRCjQIzJABEgQxNzA2GIwVINIrKN3AlQMw0MGVAzhMQAFYAWoIRUNPTElHSFRyCExMSTkwVUJRCpsBCjEIzJABEgQxNDI5GNIrIKUEKMCOlgMw1o-WAzhMQABYAWoFQkFTSUNyCExLSTkwVUJRCjEIwYYBEgM4NDMYpQQgmM4BKKmZlgMwop2WAzhMQAFYAWoFQkFTSUNyCExLSTkwVUJRCjMIwYYBEgQ4NjI5GJjOASDikQEoi6OWAzCVpJYDOExAAVgBagVCQVNJQ3IITEtJOTBVQlESCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAB) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Tue, Aug 18 - Wed, Aug 26 CHS Charleston SOF Sofia $752 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHS,to:SOF,departure:8/18/2026TANYT&leg2=from:SOF,to:CHS,departure:8/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:751.63&airProductToken=AQqwAQpCCMyQARIENzc1NRjikQEgxI0BKLK2lQMwqLeVAzhMQABYAWoIRUNPTElHSFRyCExMSTkwVUJRegoI1YIBEgQyNjkzCjQIzJABEgM0MTMYxI0BIIwVKL64lQMwj7yVAzhMQAFYAWoIRUNPTElHSFRyCExMSTkwVUJRCjQIzJABEgQxNzA2GIwVINIrKN3AlQMw0MGVAzhMQAFYAWoIRUNPTElHSFRyCExMSTkwVUJRCrABCjQIzJABEgQxNDI5GNIrIKUEKMCOlgMw1o-WAzhMQABYAWoIRUNPTElHSFRyCExLSTkwVUJRCjQIzJABEgM0MDIYpQQgxI0BKMiXlgMwwZuWAzhMQAFYAWoIRUNPTElHSFRyCExLSTkwVUJRCkIIzJABEgQ3NzU2GMSNASDikQEoqJ6WAzCpn5YDOExAAVgBaghFQ09MSUdIVHIITEtJOTBVQlF6CgjVggESBDI3OTYSCggBEAEYASoCTEgYASIECAEQASgCKAMoBDAL) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Mon, Aug 17 - Wed, Aug 26 CHS Charleston SOF Sofia $754 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHS,to:SOF,departure:8/17/2026TANYT&leg2=from:SOF,to:CHS,departure:8/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:753.73&airProductToken=AQqnAQozCMGGARIEODYyOBjikQEgmM4BKOmolQMw76mVAzhMQABYAWoFQkFTSUNyCExMSTkwVUJRCjEIwYYBEgM4MzYYmM4BIIwVKI2slQMw2a-VAzhMQAFYAWoFQkFTSUNyCExMSTkwVUJRCj0IwYYBEgQ5NjAyGIwVINIrKLOwlQMwprGVAzhMQAFYAWoFQkFTSUNyCExMSTkwVUJRegoIzJABEgQxNzAyCpsBCjEIzJABEgQxNDI5GNIrIKUEKMCOlgMw1o-WAzhMQABYAWoFQkFTSUNyCExLSTkwVUJRCjEIwYYBEgM4NDMYpQQgmM4BKKmZlgMwop2WAzhMQAFYAWoFQkFTSUNyCExLSTkwVUJRCjMIwYYBEgQ4NjI5GJjOASDikQEoi6OWAzCVpJYDOExAAVgBagVCQVNJQ3IITEtJOTBVQlESCggCEAEYAioCQUMYASIECAEQASgCKAMoBDAB) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Mon, Aug 17 - Wed, Aug 26 CHS Charleston SOF Sofia $756 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHS,to:SOF,departure:8/17/2026TANYT&leg2=from:SOF,to:CHS,departure:8/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:755.53&airProductToken=AQqnAQozCMGGARIEODYyOBjikQEgmM4BKOmolQMw76mVAzhMQABYAWoFQkFTSUNyCExMSTkwVUJRCjEIwYYBEgM4MzYYmM4BIIwVKI2slQMw2a-VAzhMQAFYAWoFQkFTSUNyCExMSTkwVUJRCj0IwYYBEgQ5NjAyGIwVINIrKLOwlQMwprGVAzhMQAFYAWoFQkFTSUNyCExMSTkwVUJRegoIzJABEgQxNzAyCrABCjQIzJABEgQxNDI5GNIrIKUEKMCOlgMw1o-WAzhMQABYAWoIRUNPTElHSFRyCExLSTkwVUJRCjQIzJABEgM0MDIYpQQgxI0BKMiXlgMwwZuWAzhMQAFYAWoIRUNPTElHSFRyCExLSTkwVUJRCkIIzJABEgQ3NzU2GMSNASDikQEoqJ6WAzCpn5YDOExAAVgBaghFQ09MSUdIVHIITEtJOTBVQlF6CgjVggESBDI3OTYSCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAB) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Tue, Aug 18 - Wed, Aug 26 CHS Charleston SOF Sofia $762 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHS,to:SOF,departure:8/18/2026TANYT&leg2=from:SOF,to:CHS,departure:8/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:761.53&airProductToken=AQquAQpBCMyQARIENzU2NxjikQEgiBgoyLOVAzCgtJUDOExAAFgBaghFQ09MSUdIVHIITExJOTBVQlF6CgjVggESBDE4NTgKMwjMkAESAzQxORiIGCClBCijt5UDMIO7lQM4TEABWAFqCEVDT0xJR0hUcghMTEk5MFVCUQo0CMyQARIEMTQyOBilBCDSKyiivpUDMKS_lQM4TEABWAFqCEVDT0xJR0hUcghMTEk5MFVCUQqbAQoxCMyQARIEMTQyORjSKyClBCjAjpYDMNaPlgM4TEAAWAFqBUJBU0lDcghMS0k5MFVCUQoxCMGGARIDODQzGKUEIJjOASipmZYDMKKdlgM4TEABWAFqBUJBU0lDcghMS0k5MFVCUQozCMGGARIEODYyORiYzgEg4pEBKIujlgMwlaSWAzhMQAFYAWoFQkFTSUNyCExLSTkwVUJREgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Thu, Aug 13 - Tue, Aug 25 CHS Charleston SOF Sofia $763 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHS,to:SOF,departure:8/13/2026TANYT&leg2=from:SOF,to:CHS,departure:8/25/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:762.73&airProductToken=AQquAQpBCMyQARIEODU2NxjikQEgrhwo3PyUAzDz_ZQDOExAAFgBaghFQ09MSUdIVHIITExWOTBVQlF6CgjVggESBDg1NjcKMwjMkAESAzQzNxiuHCCMFSiz_pQDMLGClQM4TEABWAFqCEVDT0xJR0hUcghMTFY5MFVCUQo0CMyQARIEMTcwMhiMFSDSKyizg5UDMKaElQM4TEABWAFqCEVDT0xJR0hUcghMTFY5MFVCUQquAQo0CMyQARIEMTcwNRjSKyCMFSi5g5YDMLGElgM4TEAAWAFqCEVDT0xJR0hUcghMTEk5MFVCUQozCMyQARIDNDM2GIwVIK4cKOCKlgMwn4-WAzhMQAFYAWoIRUNPTElHSFRyCExMSTkwVUJRCkEIzJABEgQ3OTg4GK4cIOKRASj-j5YDMJqRlgM4TEABWAFqCEVDT0xJR0hUcghMTEk5MFVCUXoKCNWCARIENDY2NBIKCAEQARgBKgJMSBgBIgQIARABKAIoAygEMAs) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Mon, Aug 17 - Wed, Aug 26 CHS Charleston SOF Sofia $764 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHS,to:SOF,departure:8/17/2026TANYT&leg2=from:SOF,to:CHS,departure:8/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:763.63&airProductToken=AQquAQpBCMyQARIENzU2NxjikQEgiBgoqKiVAzCAqZUDOExAAFgBaghFQ09MSUdIVHIITExJOTBVQlF6CgjVggESBDE4NTgKMwjMkAESAzQxNxiIGCClBCjtqpUDMNKulQM4TEABWAFqCEVDT0xJR0hUcghMTEk5MFVCUQo0CMyQARIEMTQyNBilBCDSKyjZr5UDMNuwlQM4TEABWAFqCEVDT0xJR0hUcghMTEk5MFVCUQqwAQo0CMyQARIEMTQyORjSKyClBCjAjpYDMNaPlgM4TEAAWAFqCEVDT0xJR0hUcghMS0k5MFVCUQo0CMyQARIDNDAyGKUEIMSNASjIl5YDMMGblgM4TEABWAFqCEVDT0xJR0hUcghMS0k5MFVCUQpCCMyQARIENzc1NhjEjQEg4pEBKKielgMwqZ-WAzhMQAFYAWoIRUNPTElHSFRyCExLSTkwVUJRegoI1YIBEgQyNzk2EgoIARABGAEqAkxIGAEiBAgBEAEoAigDKAQwCw) ![Austrian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/OS.gif) Tue, Aug 18 - Wed, Aug 26 CHS Charleston SOF Sofia $770 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHS,to:SOF,departure:8/18/2026TANYT&leg2=from:SOF,to:CHS,departure:8/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:769.53&airProductToken=AQqsAQpBCM-mARIENzg0NhjikQEgiBgo67WVAzDGtpUDOExAAFgBaghFQ09MSUdIVHIITExJOTBVQlF6CgjVggESBDExMDIKMgjPpgESAjQyGIgYIJUiKIW3lQMwkruVAzhMQAFYAWoIRUNPTElHSFRyCExMSTkwVUJRCjMIz6YBEgM3NzUYlSIg0iso1L6VAzCuv5UDOExAAVgBaghFQ09MSUdIVHIITExJOTBVQlEKmwEKMQjMkAESBDE0MjkY0isgpQQowI6WAzDWj5YDOExAAFgBagVCQVNJQ3IITEtJOTBVQlEKMQjBhgESAzg0MxilBCCYzgEoqZmWAzCinZYDOExAAVgBagVCQVNJQ3IITEtJOTBVQlEKMwjBhgESBDg2MjkYmM4BIOKRASiLo5YDMJWklgM4TEABWAFqBUJBU0lDcghMS0k5MFVCURIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMAE) ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Thu, May 7 - Thu, May 14 CHS Charleston SOF Sofia $1,143 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHS,to:SOF,departure:5/7/2026TANYT&leg2=from:SOF,to:CHS,departure:5/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1142.86&airProductToken=AQqYAQouCMJsEgQyNDc0GOKRASCpUSi8rYwDMLqujAM4VUAAWAFqAkFOcghVSTRRUkVZNQoyCMJsEgQ2NDAxGKlRIIExKKKxjAMwvrWMAzhNQAFYAXIGTUtSVFVTegkIyqoBEgM1MDEKMgjCbBIENjQwNxiBMSDSKyjotowDMLO3jAM4TUABWAFyBk1LUlRVU3oJCMqqARIDMTEyCpgBCjIIwmwSBDY0MDgY0isggTEokfuMAzDc-4wDOE1AAFgBcgZNTFJUVVN6CQjKqgESAzExMwoyCMJsEgQ2NDAwGIExIKlRKM2FjQMwqoqNAzhNQAFYAXIGTUxSVFVTegkIyqoBEgM1MDAKLgjCbBIEMjQ3MxipUSDikQEopZSNAzCplY0DOFBAAVgBagJBTnIIUEkyUVJPWTUSCggBEAEYASoCQjYYASIECAEQASgCKAMoBDAB) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Sat, May 23 - Mon, May 25 CHS Charleston SOF Sofia $1,913 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CHS,to:SOF,departure:5/23/2026TANYT&leg2=from:SOF,to:CHS,departure:5/25/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1912.63&airProductToken=AQqlAQo-CMKCARIENTE0MRjikQEg71kopeGNAzCW4o0DOEtAAFgBagVOT0JBR3IIS0hXMEM5QlZ6CgjPkAESBDUxNDEKMAjCggESAjY2GO9ZIOuJASjw5I0DMJ7ojQM4S0ABWAFqBU5PQkFHcghLSFcwQzlCVgoxCMKCARIDODkyGOuJASDSKyiD7I0DMMbtjQM4S0ABWAFqBU5PQkFHcghLSFcwQzlCVhIKCAEQARgBKgJCQRgBIgQIARABKAIoAzAN) ## Frequently asked questions ### How much does a flight from Charleston, SC (CHS-Charleston Intl.) to Sofia (SOF) cost? ### What is the cheapest month to fly from Charleston, SC (CHS-Charleston Intl.) to Sofia (SOF)? ### Which airlines fly direct from Charleston, SC (CHS-Charleston Intl.) to Sofia (SOF)? ### What is the cheapest airline that flies from Charleston, SC (CHS-Charleston Intl.) to Sofia (SOF)? ### How do I find cheap flights from Charleston, SC (CHS-Charleston Intl.) to Sofia (SOF)? ### What is the best time to fly from Charleston, SC (CHS-Charleston Intl.) to Sofia (SOF)? ### What is the earliest flight from Charleston, SC (CHS-Charleston Intl.) to Sofia (SOF)? ### What day of the week has the most flights from Charleston, SC (CHS-Charleston Intl.) to Sofia (SOF)? ### What are the most popular departure times for flights from Charleston, SC (CHS-Charleston Intl.) to Sofia (SOF)? ### How long does it take to fly from Charleston, SC (CHS-Charleston Intl.) to Sofia (SOF)? ### Can you fly business or first class from Charleston, SC (CHS-Charleston Intl.) to Sofia (SOF)? > - United Airlines > - Air Canada > - American Airlines ### How do I earn miles on a Charleston, SC (CHS-Charleston Intl.) to Sofia (SOF) flight with Expedia? ### Is it cheaper to buy a plane ticket from Charleston, SC (CHS-Charleston Intl.) to Sofia (SOF) at the last minute? ### Is it cheaper to book a Charleston, SC (CHS-Charleston Intl.) to Sofia (SOF) flight and hotel package? ### Can I cancel or change the date of my flight from Charleston, SC (CHS-Charleston Intl.) to Sofia (SOF)? ## Travel information | Origin airport | Charleston Intl. | | ------------------- | ---------------- | | Destination airport | Sofia | | Roundtrip price | $750 | | Distance | 5321 mi | ## Book with confidence # Charleston to Sofia Flights The cheapest times to fly from Charleston to Sofia On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Charleston to Sofia are during the month of August. You can find some of the cheapest flights from Charleston to Sofia with Expedia's search tool and vast selection of airlines. The best time to book a flight from Charleston to Sofia Sunday is one of the best days to book for cheap flights from Charleston to Sofia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. How to find cheap round-trip tickets from Charleston to Sofia Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Charleston to Sofia in 2026\. You can also book with separate airlines for your outbound and return journeys, from $319 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Charleston to Sofia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Charleston to Sofia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. \*Terms apply. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. \*Flight schedules are subject to change. ## Explore a world of travel with Expedia - Lodging - Packages - Cars - [Hotels near Sofia Airport Terminal 2 Station ](https://www.expedia.com/Sofia-Airport-Terminal-2-Station-Hotels.d6345199.Travel-Guide-Hotels) - [Gay friendly Hotels in Slatina ](https://www.expedia.com/Slatina-Sofia-Hotels-LGBT-Welcoming-Hotel.0-n553248635974587263-0-tLGBTWelcomingHotel.Travel-Guide-Filter-Hotels) - [Hotels near Arena Armeec ](https://www.expedia.com/Arena-Armeec-Hotels.0-l553248621532502767-0.Travel-Guide-Filter-Hotels) - [Hotels near Inter Expo and Congress Center ](https://www.expedia.com/Inter-Expo-And-Congress-Center-Hotels.0-l6129557-0.Travel-Guide-Filter-Hotels) - [Hotels near Mladost ](https://www.expedia.com/Mladost-Sofia-Hotels.0-n553248635974587104-0.Travel-Guide-Filter-Hotels) - [Hotels near Borisova Gradina ](https://www.expedia.com/Borisova-Gradina-Hotels.0-l6097818-0.Travel-Guide-Filter-Hotels) - [Hotels near Bulgarian Army Stadium ](https://www.expedia.com/Bulgarian-Army-Stadium-Hotels.0-l6097846-0.Travel-Guide-Filter-Hotels) - [Hotels near Eagles' Bridge ](https://www.expedia.com/Eagles-Bridge-Hotels.0-l553248621532502781-0.Travel-Guide-Filter-Hotels) - [Hotels near Sofia University ](https://www.expedia.com/Sofia-University-Hotels.0-l6097824-0.Travel-Guide-Filter-Hotels) - [Hotels near Serdika ](https://www.expedia.com/Serdika-Sofia-Hotels.0-n553248635974587364-0.Travel-Guide-Filter-Hotels) - [Hotels near Alexander Nevski Cathedral ](https://www.expedia.com/Alexander-Nevski-Cathedral-Hotels.0-l6097802-0.Travel-Guide-Filter-Hotels) - [Hotels near National Opera and Ballet ](https://www.expedia.com/National-Opera-And-Ballet-Hotels.0-l553248621532502786-0.Travel-Guide-Filter-Hotels) - [Hotels near National art gallery ](https://www.expedia.com/National-Art-Gallery-Hotels.0-l553248621533039083-0.Travel-Guide-Filter-Hotels) - [Hotels near Ivan Vazov National Theatre ](https://www.expedia.com/Ivan-Vazov-National-Theatre-Hotels.0-l6097820-0.Travel-Guide-Filter-Hotels) - [Hotels near National Assembly ](https://www.expedia.com/National-Assembly-Hotels.0-l553248621533039078-0.Travel-Guide-Filter-Hotels) - [Hotels near Lozenets ](https://www.expedia.com/Lozenets-Sofia-Hotels.0-n3000660879-0.Travel-Guide-Filter-Hotels) - [Luxury Hotels in Lozenets ](https://www.expedia.com/Lozenets-Sofia-Hotels-Luxury-Hotel.0-n3000660879-0-tLuxuryHotel.Travel-Guide-Filter-Hotels) - [Resorts & Hotels with Spas in Lozenets ](https://www.expedia.com/Lozenets-Sofia-Hotels-Spa-Hotel.0-n3000660879-0-tSpaHotel.Travel-Guide-Filter-Hotels) - [Hotel Wedding Venues Hotels in Lozenets ](https://www.expedia.com/Lozenets-Sofia-Hotels-Wedding-Hotels.0-n3000660879-0-tWeddingHotels.Travel-Guide-Filter-Hotels) - [Romantic Hotels in Lozenets ](https://www.expedia.com/Lozenets-Sofia-Hotels-Romantic-Hotel.0-n3000660879-0-tRomanticHotel.Travel-Guide-Filter-Hotels) - [Hotels near Sofia City Center ](https://www.expedia.com/Sofia-City-Center-Sofia-Hotels.0-n3000660880-0.Travel-Guide-Filter-Hotels) - [Casino Hotels in Sofia City Center ](https://www.expedia.com/Sofia-City-Center-Sofia-Hotels-Casino-Hotel.0-n3000660880-0-tCasinoHotel.Travel-Guide-Filter-Hotels) - [Gay friendly Hotels in Sofia City Center ](https://www.expedia.com/Sofia-City-Center-Sofia-Hotels-LGBT-Welcoming-Hotel.0-n3000660880-0-tLGBTWelcomingHotel.Travel-Guide-Filter-Hotels) - [3 Star Hotels in Sofia City Center ](https://www.expedia.com/3Star-Sofia-City-Center-Sofia-Hotels.s30-n3000660880-0.Travel-Guide-Filter-Hotels) - [Hotels with Balconies in Sofia City Center ](https://www.expedia.com/Sofia-City-Center-Sofia-Hotels-Hotels-With-Balconies.0-n3000660880-0-tHotelswithBalconies.Travel-Guide-Filter-Hotels) - [Hotels with Free Parking in Sofia City Center ](https://www.expedia.com/Sofia-City-Center-Sofia-Hotels-Hotels-With-Free-Parking.0-n3000660880-0-tHotelswithFreeParking.Travel-Guide-Filter-Hotels) - [Hotels with Laundry Facilities in Sofia City Center ](https://www.expedia.com/Sofia-City-Center-Sofia-Hotels-Hotels-With-Laundry-Facilities.0-n3000660880-0-tHotelswithLaundryFacilities.Travel-Guide-Filter-Hotels) - [Hotels with Childcare in Sofia City Center ](https://www.expedia.com/Sofia-City-Center-Sofia-Hotels-Hotels-With-Childcare.0-n3000660880-0-tHotelswithChildcare.Travel-Guide-Filter-Hotels) - [Hotels with a Gym in Sofia City Center ](https://www.expedia.com/Sofia-City-Center-Sofia-Hotels-Hotels-With-Fitness-Center.0-n3000660880-0-tHotelswithFitnessCenter.Travel-Guide-Filter-Hotels) - [Beach Hotels in Sofia City Center ](https://www.expedia.com/Sofia-City-Center-Sofia-Hotels-Beach-Hotel.0-n3000660880-0-tBeachHotel.Travel-Guide-Filter-Hotels) - [Cheap Hotels in Sofia City Center ](https://www.expedia.com/Sofia-City-Center-Sofia-Hotels-Cheap-Hotels.0-n3000660880-0-tCheapHotels.Travel-Guide-Filter-Hotels) - [Boutique Hotels in Sofia City Center ](https://www.expedia.com/Sofia-City-Center-Sofia-Hotels-Boutique-Hotel.0-n3000660880-0-tBoutiqueHotel.Travel-Guide-Filter-Hotels) - [Hotels with Free Airport Shuttle in Sofia City Center ](https://www.expedia.com/Sofia-City-Center-Sofia-Hotels-Hotels-With-Free-Airport-Shuttle.0-n3000660880-0-tHotelswithFreeAirportShuttle.Travel-Guide-Filter-Hotels) - [Hotel Wedding Venues Hotels in Sofia City Center ](https://www.expedia.com/Sofia-City-Center-Sofia-Hotels-Wedding-Hotels.0-n3000660880-0-tWeddingHotels.Travel-Guide-Filter-Hotels) - [Hotels near Hristo Botev Sport Hall ](https://www.expedia.com/Hristo-Botev-Sport-Hall-Hotels.0-l553248621563225203-0.Travel-Guide-Filter-Hotels) - [Hotels near Banya Basha Mosque ](https://www.expedia.com/Banya-Basha-Mosque-Hotels.0-l6097838-0.Travel-Guide-Filter-Hotels) - [Aparthotels in Lavov Most Station ](https://www.expedia.com/Lavov-Most-Station-Apart-Hotels.d6338982-aaApartHotels.Travel-Guide-Accommodation) - [Hotels near Saint Sofia Monument ](https://www.expedia.com/Saint-Sofia-Monument-Hotels.0-l6097848-0.Travel-Guide-Filter-Hotels) - [Hotels near Saint Nedelya Church ](https://www.expedia.com/Saint-Nedelya-Church-Hotels.0-l6097812-0.Travel-Guide-Filter-Hotels) - [Hotels near Sofia Synagogue ](https://www.expedia.com/Sofia-Synagogue-Hotels.0-l553248621533039155-0.Travel-Guide-Filter-Hotels) - [Hotels near National Palace of Culture ](https://www.expedia.com/National-Palace-Of-Culture-Hotels.0-l6097814-0.Travel-Guide-Filter-Hotels) - [Festivalna Hall ](https://www.expedia.com/Festivalna-Hall-Sofia.d553248621563225124.Vacation-Attraction) - [Arena Armeec ](https://www.expedia.com/Arena-Armeec-Sofia.d553248621532502767.Vacation-Attraction) - [The Mall ](https://www.expedia.com/The-Mall-Sofia.d553248621563225128.Vacation-Attraction) - [Megapark ](https://www.expedia.com/Megapark-Sofia.d553248621559275858.Vacation-Attraction) - [European Trade Centre ](https://www.expedia.com/European-Trade-Centre-Sofia.d553248621559275861.Vacation-Attraction) - [Bulgareklama Inter Expo Center ](https://www.expedia.com/Bulgareklama-Inter-Expo-Center-Sofia.d553248621563225127.Vacation-Attraction) - [Iterpred World Trade Center ](https://www.expedia.com/Iterpred-World-Trade-Center-Sofia.d553248627679959907.Vacation-Attraction) - [Embassy of the Russian Federation ](https://www.expedia.com/Embassy-Of-The-Russian-Federation-Sofia.d553248627679962366.Vacation-Attraction) - [Oborishte park ](https://www.expedia.com/Oborishte-Park-Sofia-City-Center.d553248621533039088.Vacation-Attraction) - [Borisova Gradina ](https://www.expedia.com/Borisova-Gradina-Sofia.d6097818.Vacation-Attraction) - [Bulgarian Army Stadium ](https://www.expedia.com/Bulgarian-Army-Stadium-Sofia.d6097846.Vacation-Attraction) - [Visit Krivina ](https://www.expedia.com/Krivina.dx3000043670) - [Cyril and Methodius National Library of Bulgaria ](https://www.expedia.com/Cyril-And-Methodius-National-Library-Of-Bulgaria-Sofia-City-Center.d6097830.Vacation-Attraction) - [Vasil Levski Monument ](https://www.expedia.com/Vasil-Levski-Monument-Sofia-City-Center.d6097832.Vacation-Attraction) - [Vasil Levski Stadium ](https://www.expedia.com/Vasil-Levski-Stadium-Sofia.d6097816.Vacation-Attraction) - [National Gallery for Foreign Art ](https://www.expedia.com/National-Gallery-For-Foreign-Art-Sofia-City-Center.d6097852.Vacation-Attraction) - [Bulgarian Parliament ](https://www.expedia.com/Bulgarian-Parliament-Sofia-City-Center.d6097806.Vacation-Attraction) - [Alexander Nevski Cathedral ](https://www.expedia.com/Alexander-Nevski-Cathedral-Sofia-City-Center.d6097802.Vacation-Attraction) - [Monument to the Liberating Tsar ](https://www.expedia.com/Monument-To-The-Liberating-Tsar-Sofia-City-Center.d6097804.Vacation-Attraction) - [Crystal Park ](https://www.expedia.com/Crystal-Park-Sofia-City-Center.d553248621563225116.Vacation-Attraction) - [Amphitheatre of Serdica ](https://www.expedia.com/Amphitheatre-Of-Serdica-Sofia-City-Center.d553248621532502783.Vacation-Attraction) - [National art gallery ](https://www.expedia.com/National-Art-Gallery-Sofia-City-Center.d553248621533039083.Vacation-Attraction) - [Royal Palace ](https://www.expedia.com/Royal-Palace-Sofia-City-Center.d553248621533039084.Vacation-Attraction) - [Ivan Vazov National Theatre ](https://www.expedia.com/Ivan-Vazov-National-Theatre-Sofia-City-Center.d6097820.Vacation-Attraction) - [Prince Alexander of Battenberg Square ](https://www.expedia.com/Prince-Alexander-Of-Battenberg-Square-Sofia-City-Center.d6097850.Vacation-Attraction) - [City Garden ](https://www.expedia.com/City-Garden-Sofia-City-Center.d553248621533039080.Vacation-Attraction) - [Visit Sofia City Center ](https://www.expedia.com/Sofia-Sofia-City-Center.dx3000660880) - [Sofia City Art Gallery ](https://www.expedia.com/Sofia-City-Art-Gallery-Sofia-City-Center.d553248621533039158.Vacation-Attraction) - [National Archaeological Museum ](https://www.expedia.com/National-Archaeological-Museum-Sofia-City-Center.d6097808.Vacation-Attraction) - [National Assembly ](https://www.expedia.com/National-Assembly-Sofia-City-Center.d553248621533039078.Vacation-Attraction) - [Slaveykov Square ](https://www.expedia.com/Slaveykov-Square-Sofia-City-Center.d6097842.Vacation-Attraction) - [Visit Lozenets ](https://www.expedia.com/Sofia-Lozenets.dx3000660879) - [Saint Sofia Church ](https://www.expedia.com/Saint-Sofia-Church-Sofia-City-Center.d553248621532502785.Vacation-Attraction) - [Sofia City Center Vacations ](https://www.expedia.com/Sofia-City-Center.d3000660880.Destination-Travel-Guides) - [Peyo Yavorov House-Museum ](https://www.expedia.com/Peyo-Yavorov-House-Museum-Sofia-City-Center.d553248621533039148.Vacation-Attraction) - [Council of Ministers Sofia ](https://www.expedia.com/Council-Of-Ministers-Sofia-Sofia-City-Center.d6159910.Vacation-Attraction) - [Sofia Central Mineral Baths ](https://www.expedia.com/Sofia-Central-Mineral-Baths-Sofia-City-Center.d6097840.Vacation-Attraction) - [Regional History Museum Of Sofia ](https://www.expedia.com/Regional-History-Museum-Of-Sofia-Sofia-City-Center.d553248635212944737.Vacation-Attraction) - [Church of St. George ](https://www.expedia.com/Church-Of-St-George-Sofia-City-Center.d6097822.Vacation-Attraction) - [Tzum Central Department Store ](https://www.expedia.com/TZUM-Central-Department-Store-Sofia-City-Center.d6173675.Vacation-Attraction) - [Sveta Petka Samardzhiiska Church ](https://www.expedia.com/Sveta-Petka-Samardzhiiska-Church-Sofia-City-Center.d553248621533039154.Vacation-Attraction) - [Sveta Petka Samardjiyska ](https://www.expedia.com/Sveta-Petka-Samardjiyska-Sofia-City-Center.d553248621532502776.Vacation-Attraction) - [Saint Sofia Monument ](https://www.expedia.com/Saint-Sofia-Monument-Sofia-City-Center.d6097848.Vacation-Attraction) - [Vitoshka Boulevard ](https://www.expedia.com/Vitoshka-Boulevard-Rajon-Triaditsa.d6170818.Vacation-Attraction) - [Sofia Court House ](https://www.expedia.com/Sofia-Court-House-Sofia-City-Center.d553248634289805213.Vacation-Attraction) - [Saint Nedelya Church ](https://www.expedia.com/Saint-Nedelya-Church-Sofia-City-Center.d6097812.Vacation-Attraction) - [Sofia Zoo ](https://www.expedia.com/Sofia-Zoo-Lozenets.d6097826.Vacation-Attraction) - [Ploshtad Bulgaria ](https://www.expedia.com/Ploshtad-Bulgaria-Sofia-City-Center.d553248621533039146.Vacation-Attraction) - [National Palace of Culture ](https://www.expedia.com/National-Palace-Of-Culture-Sofia-City-Center.d6097814.Vacation-Attraction) - [Ndk ](https://www.expedia.com/NDK-Sofia-City-Center.d553248621563225204.Vacation-Attraction) - [Car rentals near Iskar ](https://www.expedia.com/Car-Rentals-In-Iskar.d553248635974587407.Car-Rental-Guide) - [Car rentals near Boris Garden ](https://www.expedia.com/Car-Rentals-In-Boris-Garden.d553248621563225121.Car-Rental-Guide) - [Car rentals near Central Military Club ](https://www.expedia.com/Car-Rentals-In-Central-Military-Club.d553248621563225117.Car-Rental-Guide) - [Car rentals near Russian Church ](https://www.expedia.com/Car-Rentals-In-Russian-Church.d6097828.Car-Rental-Guide) - [Car rentals near Lozenets ](https://www.expedia.com/Car-Rentals-In-Lozenets.d3000660879.Car-Rental-Guide) - [Car rentals near Sofia City Center ](https://www.expedia.com/Car-Rentals-In-Sofia-City-Center.d3000660880.Car-Rental-Guide) - [Easirent Rental Cars in Sofia City Center ](https://www.expedia.com/Easirent-Car-Rentals-In-Sofia-City-Center.d3000660880-c1039.Car-Rental-Guide-Suppliers) - [Keddy By Europcar Rental Cars in Sofia City Center ](https://www.expedia.com/Keddy-By-Europcar-Car-Rentals-In-Sofia-City-Center.d3000660880-c1069.Car-Rental-Guide-Suppliers) - [Luxury Car Rentals in Sofia City Center ](https://www.expedia.com/Luxury-Car-Rentals-In-Sofia-City-Center.d3000660880-tLuxury.Car-Rental-Guide-Class) \*Available to One Key members.