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Find deals on international flights to Louisville from $41

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Louisville departing on 7/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 7/11
Thu 7/18

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In the last 7 days travelers have searched 44,212,782 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

May

Cheapest flight

$41
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly with an average 9% increase in price.
Flight from Philadelphia to Louisville

FAQs for booking Worldwide to Louisville flights

  • How does KAYAK find such low prices on flights from Worldwide to Louisville?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Worldwide to Louisville.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Worldwide to Louisville?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Louisville from Worldwide is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Worldwide to Louisville?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Louisville with an airline and back to Worldwide with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Worldwide to Louisville?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Louisville from Worldwide up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Worldwide to Louisville?

Nonstop departures

Worldwide to Louisville Intl

Monday

ANA, Aer Lingus, Aeromexico, +27 more

ANA, Aer Lingus, +28 more

Tuesday

ANA, Aer Lingus, Aeromexico, +25 more

ANA, Aer Lingus, +26 more

Wednesday

ANA, Aer Lingus, Aeromexico, +24 more

ANA, Aer Lingus, +25 more

Thursday

ANA, Aer Lingus, Aeromexico, +26 more

ANA, Aer Lingus, +27 more

Friday

ANA, Aer Lingus, Aeromexico, +27 more

ANA, Aer Lingus, +28 more

Saturday

ANA, Aer Lingus, Aeromexico, +25 more

ANA, Aer Lingus, +26 more

Sunday

ANA, Aer Lingus, Aeromexico, +26 more

ANA, Aer Lingus, +27 more

See more direct flights

Nonstop returns

Louisville Intl to Worldwide

Monday

ANA, Aer Lingus, Aeromexico, +27 more

ANA, Aer Lingus, +28 more

Tuesday

ANA, Aer Lingus, Aeromexico, +25 more

ANA, Aer Lingus, +26 more

Wednesday

ANA, Aer Lingus, Aeromexico, +24 more

ANA, Aer Lingus, +25 more

Thursday

ANA, Aer Lingus, Aeromexico, +26 more

ANA, Aer Lingus, +27 more

Friday

ANA, Aer Lingus, Aeromexico, +27 more

ANA, Aer Lingus, +28 more

Saturday

ANA, Aer Lingus, Aeromexico, +25 more

ANA, Aer Lingus, +26 more

Sunday

ANA, Aer Lingus, Aeromexico, +26 more

ANA, Aer Lingus, +27 more

See more direct flights
See more direct flights

Book cheap flights from Worldwide to Louisville

Recent round-trip flight deals

7/17Wed
1 stopSpirit Airlines
12h 00mPHL-SDF
7/23Tue
1 stopSpirit Airlines
10h 36mSDF-PHL
$96
9/5Thu
1 stopSpirit Airlines
12h 39mPHL-SDF
9/10Tue
1 stopSpirit Airlines
5h 53mSDF-PHL
$103
8/7Wed
nonstopAmerican Airlines
1h 30mORD-SDF
8/14Wed
nonstopAmerican Airlines
1h 39mSDF-ORD
$131
8/7Wed
1 stopAmerican Airlines
6h 09mORD-SDF
8/14Wed
nonstopAmerican Airlines
1h 37mSDF-ORD
$141
7/17Wed
1 stop
12h 00mPHL-SDF
7/27Sat
1 stop
22h 29mSDF-PHL
$150
8/7Wed
1 stopDelta
5h 30mORD-SDF
8/14Wed
1 stopDelta
5h 10mSDF-ORD
$156
8/7Wed
2 stopsDelta
9h 28mORD-SDF
8/14Wed
1 stopDelta
6h 06mSDF-ORD
$161
7/16Tue
1 stop
9h 34mPHL-SDF
7/27Sat
1 stop
22h 29mSDF-PHL
$165
10/5Sat
nonstopUnited Airlines
1h 44mIAD-SDF
10/7Mon
nonstopUnited Airlines
1h 35mSDF-IAD
$184
7/18Thu
nonstopUnited Airlines
1h 45mIAD-SDF
7/21Sun
nonstopUnited Airlines
1h 35mSDF-IAD
$189

Search by stops

Search by airline

Search by price

Recent one-way flight deals

7/17Wed
1 stopSpirit Airlines
12h 00mPHL-SDF
$41
9/14Sat
1 stopSpirit Airlines
12h 39mPHL-SDF
$47
7/1Mon
nonstopAmerican Airlines
1h 49mDCA-SDF
$85
8/24Sat
nonstopAmerican Airlines
1h 48mDCA-SDF
$90
8/24Sat
nonstopUnited Airlines
1h 43mIAD-SDF
$90
7/3Wed
1 stopDelta
6h 03mDCA-SDF
$94
7/12Fri
nonstopUnited Airlines
1h 47mIAD-SDF
$95
7/3Wed
1 stopDelta
5h 56mPHL-SDF
$99
7/11Thu
2 stops
18h 49mEWR-SDF
$110
7/11Thu
2 stops
18h 49mEWR-SDF
$111

Search by stops

Search by airline

Search by price

Last minute flights from Worldwide to Louisville

Last minute flight, train and bus deals

6/12Wed
multi-stop
18h 46mLGA-SDF
6/17Mon
multi-stop
23h 54mSDF-LGA
$267
6/15Sat
multi-stopSpirit Airlines
21h 56mORD-SDF
6/17Mon
multi-stopSpirit Airlines
33h 43mSDF-ORD
$300
6/15Sat
multi-stop
8h 17mLGA-SDF
6/17Mon
multi-stop
12h 28mSDF-LGA
$301
6/13Thu
multi-stop
17h 27mLGA-SDF
6/17Mon
multi-stop
23h 54mSDF-LGA
$306
6/14Fri
nonstopAmerican Airlines
2h 25mLGA-SDF
6/18Tue
nonstopAmerican Airlines
2h 09mSDF-LGA
$309
6/14Fri
nonstopUnited Airlines
2h 20mEWR-SDF
6/21Fri
nonstopUnited Airlines
2h 19mSDF-EWR
$309
6/14Fri
multi-stopAmerican Airlines
4h 39mLGA-SDF
6/19Wed
nonstopAmerican Airlines
2h 09mSDF-LGA
$319
6/14Fri
nonstopUnited Airlines
2h 29mEWR-SDF
6/21Fri
multi-stopUnited Airlines
6h 02mSDF-EWR
$319
6/14Fri
multi-stopDelta
6h 26mJFK-SDF
6/18Tue
multi-stopDelta
6h 15mSDF-JFK
$328
6/13Thu
multi-stopDelta
4h 24mEWR-SDF
6/18Tue
multi-stopDelta
6h 49mSDF-EWR
$328

Search by stops

Search by airline

Search by price

Flights to Louisville

Destination:

Louisville (SDF)United States

Return flight deals:

Louisville - Worldwide

Cabin classes:

$273
$398
$328
$55