Title: Sofia to Banja Luka cheap flights from $146 (SOF to BNX) - Expedia.com ![Cathedral of Christ the Saviour illuminated at dusk in Banja Luka, Bosnia and Herzegovina](https://images.trvl-media.com/place/6389/1a1441ee-06ce-4912-b0a7-f0d0ee48ee19.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6389/1a1441ee-06ce-4912-b0a7-f0d0ee48ee19.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $146 Cheap Flights from Sofia (SOF) to Banja Luka (BNX) [View $146 flight on Thu, Apr 23, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:SOF,to:BNX,departure:4/23/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:146.00&airProductToken=AQpfCi0IyqoBEgMxMTMY0isggTEo8Y6LAzC8j4sDOFRAAFgBagJZTHIIVE5CMTRPQkcKLgjKqgESAzYxMBiBMSChuwEo4JeLAzCcmIsDOFRAAVgBagJZTHIIVE5CMTRPQkcSCggBEAEYASoCSlUYASIECAEQASgCKAMoBDAB) ## Popular airlines from Sofia Airport (SOF) to Banja Luka (BNX-Banja Luka Intl.) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:SOF,to:BNX,departure:4/13/2026TANYT&leg2=from:BNX,to:SOF,departure:4/20/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:SOF,to:BNX,departure:4/13/2026TANYT&leg2=from:BNX,to:SOF,departure:4/20/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.com/Flights-Search?leg1=from:SOF,to:BNX,departure:4/13/2026TANYT&leg2=from:BNX,to:SOF,departure:4/20/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:SOF,to:BNX,departure:4/13/2026TANYT&leg2=from:BNX,to:SOF,departure:4/20/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.com/Flights-Search?leg1=from:SOF,to:BNX,departure:4/13/2026TANYT&leg2=from:BNX,to:SOF,departure:4/20/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](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:SOF,to:BNX,departure:4/13/2026TANYT&leg2=from:BNX,to:SOF,departure:4/20/2026TANYT&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_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:SOF,to:BNX,departure:4/13/2026TANYT&leg2=from:BNX,to:SOF,departure:4/20/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](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 Sofia to Banja Luka (SOF-BNX) Prices were available within the past 7 days and start at $146 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ## Frequently asked questions ### How much does a flight from Sofia (SOF) to Banja Luka (BNX-Banja Luka Intl.) cost? ### What is the cheapest month to fly from Sofia (SOF) to Banja Luka (BNX-Banja Luka Intl.)? ### Which airlines fly direct from Sofia (SOF) to Banja Luka (BNX-Banja Luka Intl.)? ### What is the cheapest airline that flies from Sofia (SOF) to Banja Luka (BNX-Banja Luka Intl.)? ### How do I find cheap flights from Sofia (SOF) to Banja Luka (BNX-Banja Luka Intl.)? ### What is the best time to fly from Sofia (SOF) to Banja Luka (BNX-Banja Luka Intl.)? ### What is the earliest flight from Sofia (SOF) to Banja Luka (BNX-Banja Luka Intl.)? ### How long does it take to fly from Sofia (SOF) to Banja Luka (BNX-Banja Luka Intl.)? ### Can you fly business or first class from Sofia (SOF) to Banja Luka (BNX-Banja Luka Intl.)? ### How do I earn miles on a Sofia (SOF) to Banja Luka (BNX-Banja Luka Intl.) flight with Expedia? ### Is it cheaper to buy a plane ticket from Sofia (SOF) to Banja Luka (BNX-Banja Luka Intl.) at the last minute? ### Is it cheaper to book a Sofia (SOF) to Banja Luka (BNX-Banja Luka Intl.) flight and hotel package? ### Can I cancel or change the date of my flight from Sofia (SOF) to Banja Luka (BNX-Banja Luka Intl.)? ## Travel information | Origin airport | Sofia | | ------------------- | ---------------- | | Destination airport | Banja Luka Intl. | | Distance | 341 mi | ## Book with confidence # Sofia to Banja Luka Flights The cheapest times to fly from Sofia to Banja Luka 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 Sofia to Banja Luka are during the month of . You can find some of the cheapest flights from Sofia to Banja Luka with Expedia's search tool and vast selection of airlines. The best time to book a flight from Sofia to Banja Luka Sunday is one of the best days to book for cheap flights from Sofia to Banja Luka: 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 Sofia to Banja Luka 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 Sofia to Banja Luka in 2026\. You can also book with separate airlines for your outbound and return journeys, from $146 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 Sofia to Banja Luka 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 Sofia to Banja Luka 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\. 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