- Houston - George Bush (IAH) Vancouver (YVR)
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2–4 non-stop flights per dayat least 4h 45minfrom $249 - Houston - George Bush (IAH) Toronto (YYZ)
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4–5 non-stop flights per dayat least 3h 6minfrom $284 - Houston - George Bush (IAH) Calgary (YYC)
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1–5 non-stop flights per dayat least 4h 17minfrom $149