Cheap flights from Portland to Northern Kentucky

View AU$308 flight on Mon, 8 Sep. 2025Opens in a new window

Popular airlines from Portland to Northern Kentucky

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

  • 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 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Portland (PDX) to Northern Kentucky (CVG)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 1 Sep. - Mon, 8 Sep.
PDX
Portland
SDF
Louisville
AU$640 Return, found 14 hours ago
AU$640
Return
found 14 hours ago
Select American Airlines flight, departing Mon, 1 Sep. from Portland to Louisville, returning Mon, 8 Sep., priced at AU$640 found 14 hours ago
American Airlines
Mon, 1 Sep. - Mon, 8 Sep.
PDX
Portland
SDF
Louisville
AU$687 Return, found 14 hours ago
AU$687
Return
found 14 hours ago
Select American Airlines flight, departing Mon, 1 Sep. from Portland to Louisville, returning Mon, 8 Sep., priced at AU$687 found 14 hours ago
United
Mon, 1 Sep. - Mon, 8 Sep.
PDX
Portland
SDF
Louisville
AU$693 Return, found 14 hours ago
AU$693
Return
found 14 hours ago
Select United flight, departing Mon, 1 Sep. from Portland to Louisville, returning Mon, 8 Sep., priced at AU$693 found 14 hours ago
American Airlines
Mon, 1 Sep. - Mon, 8 Sep.
PDX
Portland
SDF
Louisville
AU$723 Return, found 14 hours ago
AU$723
Return
found 14 hours ago
Select American Airlines flight, departing Mon, 1 Sep. from Portland to Louisville, returning Mon, 8 Sep., priced at AU$723 found 14 hours ago
Delta
Mon, 1 Sep. - Mon, 8 Sep.
PDX
Portland
SDF
Louisville
AU$794 Return, found 14 hours ago
AU$794
Return
found 14 hours ago
Select Delta flight, departing Mon, 1 Sep. from Portland to Louisville, returning Mon, 8 Sep., priced at AU$794 found 14 hours ago
Alaska Airlines
Mon, 1 Sep. - Mon, 8 Sep.
PDX
Portland
SDF
Louisville
AU$961 Return, found 14 hours ago
AU$961
Return
found 14 hours ago
Select Alaska Airlines flight, departing Mon, 1 Sep. from Portland to Louisville, returning Mon, 8 Sep., priced at AU$961 found 14 hours ago

Find the cheapest month to fly from Portland (PDX) to Cincinnati (CVG)

January is typically the cheapest month to fly

From AU$242 - AU$703 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.