- London Luton (LTN) Sofia (SOF)
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1–3 Non-stop flights per dayat least 3h 5minfrom £88 - London Luton (LTN) Burgas (BOJ)
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up to 1 Non-stop flight per dayat least 3h 25minfrom £32 - London Luton (LTN) Varna (VAR)
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up to 1 Non-stop flight per dayat least 3h 25minfrom £108