Cheap flights from Louisville to Southwest Pennsylvania

Popular airlines from Louisville to Southwest Pennsylvania

  • Air Canada

    Air Canada

  • WestJet

    WestJet

  • Flair Airlines

    Flair Airlines

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

  • Porter Airlines

    Porter Airlines

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find the cheapest month to fly from Louisville (SDF) to Pittsburgh (PIT)

August is typically the cheapest month to fly

From CA $233 - CA $750 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.