- London Luton (LTN) Sofia (SOF)
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1–3 non-stop flights per dayat least 3h 10minfrom £47 - London Heathrow (LHR) Sofia (SOF)
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1–2 non-stop flights per dayat least 2h 55minfrom £176 - London (LON) Sofia (SOF)
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2–8 non-stop flights per dayat least 2h 55minfrom £47 - London Gatwick (LGW) Sofia (SOF)
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only flights with stopoverat least 7h 30minfrom £108