Title: £242 Cheap Flights from Boston to Sofia (BOS to SOF) - Expedia.co.uk ![Default HTG hotel image](https://a.travel-assets.com/travel-assets-manager/32a5a1b7-682e-4c22-a8ab-4b736795e0ea/expedia_fallback.webp?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/32a5a1b7-682e-4c22-a8ab-4b736795e0ea/expedia_fallback.webp?impolicy=fcrop&w=1200&h=500&q=medium) # £242 Cheap Flights from Boston (BOS) to Sofia (SOF) [View £242 flight on Sat, 31 Jan 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:BOS,to:SOF,departure:31/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:241.10&airProductToken=AQqGAQouCMJsEgQxMDE3GMGTASCpUSiG-oMDMNn6gwM4UEAAWAFqAkFOcghQSTJRVUVZNQopCMqqARIDNTAxGKlRIIExKP6EhAMwhomEAzhSQAFYAXIIUkwxNE9XVVMKKQjKqgESAzExMhiBMSDSKyjEioQDMIqLhAM4UkABWAFyCFJMMTRPV1VTEgoIARABGAEqAkpVGAEiBAgBEAEoAigDKAQwAQ) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Logan International Airport (BOS) to Sofia Airport (SOF) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:bos,to:sof,departure:25/10/2025TANYT&leg2=from:sof,to:bos,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Austrian Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_OS.svg) Austrian Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:bos,to:sof,departure:25/10/2025TANYT&leg2=from:sof,to:bos,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"OS"}}]) - ![Turkish Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TK.svg) Turkish Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:bos,to:sof,departure:25/10/2025TANYT&leg2=from:sof,to:bos,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TK"}}]) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.co.uk/Flights-Search?leg1=from:bos,to:sof,departure:25/10/2025TANYT&leg2=from:sof,to:bos,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![Swiss International Air Lines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.co.uk/Flights-Search?leg1=from:bos,to:sof,departure:25/10/2025TANYT&leg2=from:sof,to:bos,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:bos,to:sof,departure:25/10/2025TANYT&leg2=from:sof,to:bos,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:bos,to:sof,departure:25/10/2025TANYT&leg2=from:sof,to:bos,departure:01/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) ![notification illustration](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\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap Flights from Boston (BOS) to Sofia (SOF) Prices were available within the past 7 days and start at £242 for one-way flights and £352 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Thu, 4 Dec - Thu, 11 Dec BOS Boston SOF Sofia £352 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SOF,departure:04/12/2025TANYT&leg2=from:SOF,to:BOS,departure:11/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:351.80&airProductToken=AQqZAQoyCMGGARIEODYwNRjBkwEgmF0o8-j-AjDI6f4COExAAFgBagVCQVNJQ3IITEwzNzZMR1QKMAjBhgESAzg0NBiYXSClBCi_7P4CMIHw_gI4TEABWAFqBUJBU0lDcghMTDM3NkxHVAoxCMGGARIEOTQ4NxilBCDSKyi_8f4CMMby_gI4TEABWAFqBUJBU0lDcghMTDM3NkxHVAqbAQoxCMGGARIEOTUyMhjSKyCMFSi1sv8CMLez_wI4TEAAWAFqBUJBU0lDcghMTDI3NkxHVAoxCMGGARIDODM3GIwVIJjOASjKtf8CMOa5_wI4TEABWAFqBUJBU0lDcghMTDI3NkxHVAozCMGGARIEODY5NhiYzgEgwZMBKMC6_wIwprv_AjhMQAFYAWoFQkFTSUNyCExMMjc2TEdUEgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Sat, 31 Jan - Sun, 8 Feb BOS Boston SOF Sofia £357 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SOF,departure:31/01/2026TANYT&leg2=from:SOF,to:BOS,departure:08/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:356.30&airProductToken=AQqbAQozCMGGARIEODY5NxjBkwEgmM4BKPf5gwMw8vqDAzhMQABYAWoFQkFTSUNyCExMMjc2TEdUCjEIwYYBEgM4NDAYmM4BIKUEKN6DhAMwtIeEAzhMQAFYAWoFQkFTSUNyCExMMjc2TEdUCjEIwYYBEgQ5NDg3GKUEINIrKJCJhAMwl4qEAzhMQAFYAWoFQkFTSUNyCExMMjc2TEdUCpsBCjEIwYYBEgQ5NTIyGNIrIIwVKJXKhAMwl8uEAzhMQABYAWoFQkFTSUNyCExMMzc2TEdUCjEIwYYBEgM4MzcYjBUgmM4BKKrNhAMwxtGEAzhMQAFYAWoFQkFTSUNyCExMMzc2TEdUCjMIwYYBEgQ4Njk2GJjOASDBkwEooNKEAzCG04QDOExAAVgBagVCQVNJQ3IITEwzNzZMR1QSCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAB) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Thu, 4 Dec - Thu, 11 Dec BOS Boston SOF Sofia £357 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SOF,departure:04/12/2025TANYT&leg2=from:SOF,to:BOS,departure:11/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:356.70&airProductToken=AQqbAQozCMGGARIEODY5MxjBkwEgmM4BKJjq_gIwkOv-AjhMQABYAWoFQkFTSUNyCExMMzc2TEdUCjEIwYYBEgM4NDAYmM4BIKUEKPTr_gIw1O_-AjhMQAFYAWoFQkFTSUNyCExMMzc2TEdUCjEIwYYBEgQ5NDg3GKUEINIrKL_x_gIwxvL-AjhMQAFYAWoFQkFTSUNyCExMMzc2TEdUCpsBCjEIwYYBEgQ5NTIyGNIrIIwVKLWy_wIwt7P_AjhMQABYAWoFQkFTSUNyCExMMjc2TEdUCjEIwYYBEgM4MzcYjBUgmM4BKMq1_wIw5rn_AjhMQAFYAWoFQkFTSUNyCExMMjc2TEdUCjMIwYYBEgQ4Njk2GJjOASDBkwEowLr_AjCmu_8COExAAVgBagVCQVNJQ3IITEwyNzZMR1QSCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAB) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Thu, 4 Dec - Thu, 11 Dec BOS Boston SOF Sofia £358 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SOF,departure:04/12/2025TANYT&leg2=from:SOF,to:BOS,departure:11/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:357.90&airProductToken=AQqZAQoyCMGGARIEODYwMxjBkwEgmF0o1ub-AjCr5_4COExAAFgBagVCQVNJQ3IITEwzNzZMR1QKMAjBhgESAzg0NBiYXSClBCi_7P4CMIHw_gI4TEABWAFqBUJBU0lDcghMTDM3NkxHVAoxCMGGARIEOTQ4NxilBCDSKyi_8f4CMMby_gI4TEABWAFqBUJBU0lDcghMTDM3NkxHVAqbAQoxCMGGARIEOTUyMBjSKyClBCiztv8CMM63_wI4TEAAWAFqBUJBU0lDcghMTDI3NkxHVAoxCMGGARIDODQzGKUEIJjOASiKuP8CMI28_wI4TEABWAFqBUJBU0lDcghMTDI3NkxHVAozCMGGARIEODY5MBiYzgEgwZMBKPvB_wIw4cL_AjhMQAFYAWoFQkFTSUNyCExMMjc2TEdUEgoIARABGAEqAkFDGAEiBAgBEAEoAigDKAQwAQ) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Thu, 4 Dec - Thu, 11 Dec BOS Boston SOF Sofia £363 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SOF,departure:04/12/2025TANYT&leg2=from:SOF,to:BOS,departure:11/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:362.80&airProductToken=AQqaAQoyCMGGARIDNzY3GMGTASCYzgEog-f-AjD95_4COExAAFgBagVCQVNJQ3IITEwzNzZMR1QKMQjBhgESAzg0MBiYzgEgpQQo9Ov-AjDU7_4COExAAVgBagVCQVNJQ3IITEwzNzZMR1QKMQjBhgESBDk0ODcYpQQg0isov_H-AjDG8v4COExAAVgBagVCQVNJQ3IITEwzNzZMR1QKmwEKMQjBhgESBDk1MjAY0isgpQQos7b_AjDOt_8COExAAFgBagVCQVNJQ3IITEwyNzZMR1QKMQjBhgESAzg0MxilBCCYzgEoirj_AjCNvP8COExAAVgBagVCQVNJQ3IITEwyNzZMR1QKMwjBhgESBDg2OTAYmM4BIMGTASj7wf8CMOHC_wI4TEABWAFqBUJBU0lDcghMTDI3NkxHVBIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMAE) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Thu, 4 Dec - Thu, 11 Dec BOS Boston SOF Sofia £368 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SOF,departure:04/12/2025TANYT&leg2=from:SOF,to:BOS,departure:11/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:367.40&airProductToken=AQqZAQoyCMGGARIEODYwMxjBkwEgmF0o1ub-AjCr5_4COExAAFgBagVCQVNJQ3IITEwzNzZMR1QKMAjBhgESAzg0NBiYXSClBCi_7P4CMIHw_gI4TEABWAFqBUJBU0lDcghMTDM3NkxHVAoxCMGGARIEOTQ4NxilBCDSKyi_8f4CMMby_gI4TEABWAFqBUJBU0lDcghMTDM3NkxHVAqZAQoxCMGGARIEOTUyMBjSKyClBCiztv8CMM63_wI4TEAAWAFqBUJBU0lDcghMTDI3NkxHVAowCMGGARIDODQ1GKUEIJhdKO2__wIw3MP_AjhMQAFYAWoFQkFTSUNyCExMMjc2TEdUCjIIwYYBEgQ4NjA4GJhdIMGTASixxP8CMIjF_wI4TEABWAFqBUJBU0lDcghMTDI3NkxHVBIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMAE) ![Air France](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AF.gif) Thu, 4 Dec - Thu, 11 Dec BOS Boston SOF Sofia £371 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SOF,departure:04/12/2025TANYT&leg2=from:SOF,to:BOS,departure:11/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:370.90&airProductToken=AQpmCjEIwYwBEgMzMzMYwZMBIOIwKOLs_gIw_O_-AjhWQABYAWoFTElHSFRyCFZMVzc2TkJMCjEIwYwBEgQ1NDcwGOIwINIrKKbx_gIwy_L-AjhMQAFYAWoFTElHSFRyCFZMVzc2TkJMCmcKMQjBjAESBDU0NjkY0isg4jAo9rL_AjC0tP8COExAAFgBagVMSUdIVHIIVkxYNzZOQkwKMgjBjAESBDM2MTYY4jAgwZMBKLa1_wIwm7n_AjhWQAFYAWoFTElHSFRyCFZMWDc2TkJMEgoIARABGAEqAkFGGAEiBAgBEAEoAigDKAQwAQ) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Thu, 4 Dec - Thu, 11 Dec BOS Boston SOF Sofia £381 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SOF,departure:04/12/2025TANYT&leg2=from:SOF,to:BOS,departure:11/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:380.40&airProductToken=AQppCjMIy5gBEgQ2MDk1GMGTASCAkwEoiu3-AjCu8P4COFZAAFgBagVMSUdIVHIIVkxXNzZOQkwKMgjLmAESBDMwNzcYgJMBINIrKLDx_gIw1fL-AjhMQAFYAWoFTElHSFRyCFZMVzc2TkJMCmcKMQjBjAESBDU0NjkY0isg4jAo9rL_AjC0tP8COExAAFgBagVMSUdIVHIIVkxYNzZOQkwKMgjBjAESBDM2MTYY4jAgwZMBKLa1_wIwm7n_AjhWQAFYAWoFTElHSFRyCFZMWDc2TkJMEgoIARABGAEqAktMGAEiBAgBEAEoAigDKAQwAQ) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Sat, 31 Jan - Sun, 8 Feb BOS Boston SOF Sofia £386 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SOF,departure:31/01/2026TANYT&leg2=from:SOF,to:BOS,departure:08/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:385.34&airProductToken=AQqaAQoyCMKCARIENDQyNhjBkwEgqVEo4_mDAzC4-oMDOE9AAFgBagVOT0JBR3IIT0xYN0MxQlYKMQjCggESAzE3NBipUSDriQEo1oSEAzD1h4QDOE9AAVgBagVOT0JBR3IIT0xYN0MxQlYKMQjCggESAzg5MBjriQEg0iso_omEAzC8i4QDOE9AAVgBagVOT0JBR3IIT0xYN0MxQlYKZwoxCMKCARIDODkxGNIrIOuJASiOzoQDMODPhAM4UUAAWAFqBU5PQkFHcghRTFc3QzFCVgoyCMKCARIDMjM5GOuJASDBkwEontGEAzDv1IQDOFFAAVgBagVOT0JBR3IIUUxXN0MxQlYSCggBEAEYASoCQkEYASIECAEQASgCKAMoBDAB) ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Thu, 16 Oct - Thu, 23 Oct BOS Boston SOF Sofia £405 Return found 7 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SOF,departure:16/10/2025TANYT&leg2=from:SOF,to:BOS,departure:23/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:404.50&airProductToken=AQprCjMIzLABEgI1MxjBkwEguTwoxMb6AjD3yfoCOFRAAFgBaghFQ09MSUdIVHIIVEwzMDZMR1QKNAjMsAESBDEzOTAYuTwg0isootP6AjCp1PoCOFRAAVgBaghFQ09MSUdIVHIIVEwzMDZMR1QKawo0CMywARIEMTM5MRjSKyC5PCj2jPsCMIKO-wI4TEAAWAFqCEVDT0xJR0hUcghMSzIwNkxHVAozCMywARICNTQYuTwgwZMBKK-O-wIwrZL7AjhMQAFYAWoIRUNPTElHSFRyCExLMjA2TEdUEgoIARABGAEqAkxYGAEiBAgBEAEoAigDKAQwCw) ## Find the cheapest month to fly from Boston (BOS) to Sofia (SOF) ### November is typically the cheapest month to fly From £290 - £837 per traveller. Flight from Boston to Sofia route information | Origin airport | Logan Intl. | | --- | --- | | Destination airport | Sofia | | Airlines serving | Air Canada, Air France, British Airways, ITA Airways, JetBlue Airways, KLM, LOT-Polish Airlines, TAP Portugal, Turkish Airlines | | Return price | £352 | | Distance | 7238 km | ## Compare flights from Boston to Sofia easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Boston to Sofia. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Sofia in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Logan Intl. to Sofia.   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Logan Intl. (BOS) to Sofia (SOF) The easiest way to view the best deals on flights from Boston to Sofia today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Logan Intl. to Sofia start at just £352 and range up to £405.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Boston and Sofia - booking your flight during December, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Boston to Sofia flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Logan Intl. to Sofia for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Frequently asked questions ### How much is a flight from Logan Intl. Airport (BOS) to SOF? > Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between Logan Intl. Airport and Sofia Airport (SOF) start from £352. Make your booking today to get the best price for your journey. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Logan Intl. Airport to Sofia Intl. Airport? > This varies between airlines, as each one has its own set of terms and conditions. Head to the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033), where you'll find instructions on how to cancel your flight online. ### How do I find cheap flights from BOS to Sofia Airport (SOF) that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for BOS to Sofia Intl. Airport flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Logan Intl. Airport to Sofia Airport (SOF)? > With a flight distance of 7,300 kilometres between Boston and Sofia, this is a long-haul flight. Be sure to keep well hydrated and move your feet and legs every now and then. ### Which airlines fly direct from Logan Intl. Airport (BOS) to Sofia Intl. Airport? > You won't find any airlines operating directly between Logan Intl. Airport and SOF, so be ready to make at least one stop on your journey. A layover, whether short or long, can be a good way to break up a trip! ### Are Logan Intl. Airport (BOS) to SOF flight tickets cheaper when they're purchased at the last minute? > Airline tickets from BOS to Sofia Intl. Airport are available up to a year prior to departure on Expedia. And although you may pick up a fantastic last-minute deal, it's not something you should count on. Also, booking your flights well in advance means you'll have more choices — and you can avoid being wedged in the dreaded middle seat! We're always updating our fares to bring you the best bargains, so check back often for all the latest specials. ## Explore a world of travel with Expedia - Accommodation - Packages - Cars - Other ### Accommodation - [5 Star Hotels in Pancharevo](https://www.expedia.co.uk/5Star-Pancharevo-Hotels.s50-0-d3000043605.Travel-Guide-Filter-Hotels) - [Hotels near Alexander Nevski Cathedral](https://www.expedia.co.uk/Alexander-Nevski-Cathedral-Hotels.0-l6097802-0.Travel-Guide-Filter-Hotels) - [Hotels near Arena Armeec](https://www.expedia.co.uk/Arena-Armeec-Hotels.0-l553248621532502767-0.Travel-Guide-Filter-Hotels) - [Bankya Hotels](https://www.expedia.co.uk/Bankya-Hotels.d181539.Travel-Guide-Hotels) - [Hotels near Borisova Gradina Park](https://www.expedia.co.uk/Borisova-Gradina-Park-Hotels.0-l553248627621154993-0.Travel-Guide-Filter-Hotels) - [Gay-Friendly Hotels in Boyana](https://www.expedia.co.uk/Boyana-Sofia-Hotels-Gay-Friendly-Hotel.0-n553248635974578000-0-tGayFriendlyHotel.Travel-Guide-Filter-Hotels) - [Boyana Hotels](https://www.expedia.co.uk/Boyana-Sofia-Hotels.0-n553248635974578000-0.Travel-Guide-Filter-Hotels) - [Hotels near Bulgarian Army Stadium](https://www.expedia.co.uk/Bulgarian-Army-Stadium-Hotels.0-l6097846-0.Travel-Guide-Filter-Hotels) - [Hotels near Central Bus Station - Sofia](https://www.expedia.co.uk/Central-Bus-Station-Sofia-Hotels.d6169956.Travel-Guide-Hotels) - [Gay-Friendly Hotels in Dragalevtsi](https://www.expedia.co.uk/Dragalevtsi-Sofia-Hotels-Gay-Friendly-Hotel.0-n553248635974577901-0-tGayFriendlyHotel.Travel-Guide-Filter-Hotels) - [Dragalevtsi Hotels](https://www.expedia.co.uk/Dragalevtsi-Sofia-Hotels.0-n553248635974577901-0.Travel-Guide-Filter-Hotels) - [Hotels near East Park Trade Centre](https://www.expedia.co.uk/East-Park-Trade-Centre-Hotels.0-l6141089-0.Travel-Guide-Filter-Hotels) - [Gay-Friendly Hotels in Fakulteta](https://www.expedia.co.uk/Fakulteta-Sofia-Hotels-Gay-Friendly-Hotel.0-n553248635976395308-0-tGayFriendlyHotel.Travel-Guide-Filter-Hotels) - [Fakulteta Hotels](https://www.expedia.co.uk/Fakulteta-Sofia-Hotels.0-n553248635976395308-0.Travel-Guide-Filter-Hotels) - [Hotels near Festivalna Hall](https://www.expedia.co.uk/Festivalna-Hall-Hotels.0-l553248621563225124-0.Travel-Guide-Filter-Hotels) - [Gay-Friendly Hotels in G.K. 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