- Austin (AUS) Houston - George Bush (IAH)
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9–20 non-stop flights per dayat least 54minfrom $128 - Baltimore (BWI) Houston - George Bush (IAH)
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1–4 non-stop flights per dayat least 3h 12minfrom $119 - Cincinnati (CVG) Houston - George Bush (IAH)
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up to 10 non-stop flights per dayat least 2h 28minfrom $206 - Pittsburgh (PIT) Houston - George Bush (IAH)
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4–10 non-stop flights per dayat least 3h 1minfrom $154 - Pensacola (PNS) Houston - George Bush (IAH)
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up to 13 non-stop flights per dayat least 1h 40minfrom $196 - Santa Ana, CA (SNA) Houston - George Bush (IAH)
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4–12 non-stop flights per dayat least 3h 10minfrom $211 - Wichita (ICT) Houston - George Bush (IAH)
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4–12 non-stop flights per dayat least 1h 46minfrom $249 - Oakland (OAK) Houston - George Bush (IAH)
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only flights with stopoverat least 6h 54minfrom $249