Cheap flights from Philadelphia to Northern Kentucky

View AU$281 flight on Thu, 8 Jan. 2026Opens in a new window

Popular airlines from Philadelphia 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 Philadelphia (ILG) 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.

United
Sat, 23 Aug. - Sat, 6 Sep.
PHL
Philadelphia
SDF
Louisville
AU$546 Return, found 6 days ago
AU$546
Return
found 6 days ago
Select United flight, departing Sat, 23 Aug. from Philadelphia to Louisville, returning Sat, 6 Sep., priced at AU$546 found 6 days ago
American Airlines
Wed, 10 Sep. - Wed, 17 Sep.
PHL
Philadelphia
LEX
Lexington
AU$557 Return, found 14 hours ago
AU$557
Return
found 14 hours ago
Select American Airlines flight, departing Wed, 10 Sep. from Philadelphia to Lexington, returning Wed, 17 Sep., priced at AU$557 found 14 hours ago
American Airlines
Wed, 27 Aug. - Wed, 10 Sep.
PHL
Philadelphia
SDF
Louisville
AU$567 Return, found 6 days ago
AU$567
Return
found 6 days ago
Select American Airlines flight, departing Wed, 27 Aug. from Philadelphia to Louisville, returning Wed, 10 Sep., priced at AU$567 found 6 days ago
American Airlines
Wed, 10 Sep. - Wed, 17 Sep.
PHL
Philadelphia
LEX
Lexington
AU$571 Return, found 14 hours ago
AU$571
Return
found 14 hours ago
Select American Airlines flight, departing Wed, 10 Sep. from Philadelphia to Lexington, returning Wed, 17 Sep., priced at AU$571 found 14 hours ago
American Airlines
Sun, 24 Aug. - Sat, 6 Sep.
PHL
Philadelphia
SDF
Louisville
AU$582 Return, found 6 days ago
AU$582
Return
found 6 days ago
Select American Airlines flight, departing Sun, 24 Aug. from Philadelphia to Louisville, returning Sat, 6 Sep., priced at AU$582 found 6 days ago
Delta
Wed, 10 Sep. - Wed, 17 Sep.
PHL
Philadelphia
LEX
Lexington
AU$586 Return, found 14 hours ago
AU$586
Return
found 14 hours ago
Select Delta flight, departing Wed, 10 Sep. from Philadelphia to Lexington, returning Wed, 17 Sep., priced at AU$586 found 14 hours ago

Find the cheapest month to fly from Philadelphia (PHL) to Cincinnati (CVG)

September is typically the cheapest month to fly

From AU$104 - AU$456 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.