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Find deals on international flights to Kentucky from $37

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Worldwide to Kentucky departing on 5/21. 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
Sat 6/8
Sat 6/15

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In the last 7 days travelers have searched 43,968,530 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

May

Cheapest flight

$37
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from Philadelphia to Louisville

FAQs for booking Worldwide to Kentucky flights

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

    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 Kentucky.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Kentucky 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 Kentucky?

    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 Kentucky 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 Kentucky?

    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 Kentucky from Worldwide up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Worldwide to Kentucky

Recent round-trip flight deals

6/4Tue
1 stopSpirit Airlines
10h 43mBWI-SDF
6/5Wed
1 stopSpirit Airlines
11h 30mSDF-BWI
$94
6/5Wed
1 stopSpirit Airlines
15h 51mBWI-SDF
6/12Wed
1 stopSpirit Airlines
11h 30mSDF-BWI
$100
5/28Tue
1 stop
12h 37mEWR-SDF
5/31Fri
1 stop
12h 25mSDF-EWR
$115
6/5Wed
1 stop
12h 44mEWR-SDF
6/14Fri
1 stop
12h 25mSDF-EWR
$122
6/4Tue
nonstopUnited Airlines
1h 44mIAD-SDF
6/5Wed
nonstopUnited Airlines
1h 42mSDF-IAD
$169
6/4Tue
1 stopUnited Airlines
5h 25mIAD-SDF
6/5Wed
nonstopUnited Airlines
1h 35mSDF-IAD
$178
9/17Tue
nonstopAmerican Airlines
1h 50mDCA-SDF
9/21Sat
nonstopAmerican Airlines
1h 40mSDF-DCA
$179
8/26Mon
nonstopAmerican Airlines
1h 47mDCA-SDF
8/28Wed
nonstopAmerican Airlines
1h 39mSDF-DCA
$184
6/4Tue
1 stopDelta
6h 12mDCA-SDF
6/5Wed
1 stopDelta
6h 15mSDF-DCA
$188
5/30Thu
nonstopDelta
2h 30mLGA-SDF
6/4Tue
nonstopDelta
2h 17mSDF-LGA
$189

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Recent one-way flight deals

5/21Tue
1 stopSpirit Airlines
7h 19mPHL-SDF
$37
5/21Tue
1 stopSpirit Airlines
10h 43mBWI-SDF
$46
8/20Tue
nonstopAmerican Airlines
2h 18mPHL-SDF
$90
5/26Sun
1 stopDelta
5h 27mDCA-SDF
$94
5/26Sun
1 stopDelta
5h 37mIAD-SDF
$94
8/5Mon
nonstopAmerican Airlines
1h 52mDCA-SDF
$95
6/8Sat
nonstopUnited Airlines
1h 44mIAD-SDF
$95
5/26Sun
2 stops
14h 34mBOS-SDF
$101
7/12Fri
nonstopUnited Airlines
1h 45mIAD-SDF
$105
7/11Thu
1 stop
17h 27mLGA-SDF
$107

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Last minute flights from Worldwide to Kentucky

Last minute flight, train and bus deals

5/11Sat
multi-stopDelta
5h 37mLGA-SDF
5/24Fri
nonstopDelta
2h 20mSDF-LGA
$318
5/11Sat
multi-stopAmerican Airlines
4h 12mLGA-SDF
5/24Fri
multi-stopAmerican Airlines
4h 28mSDF-LGA
$332
5/11Sat
multi-stopSpirit Airlines
6h 28mEWR-SDF
5/24Fri
multi-stopSpirit Airlines
22h 31mSDF-EWR
$337
5/11Sat
multi-stop
6h 28mEWR-SDF
5/24Fri
multi-stop
12h 25mSDF-EWR
$338
5/11Sat
nonstopAmerican Airlines
2h 23mLGA-SDF
5/13Mon
nonstopAmerican Airlines
2h 07mSDF-LGA
$359
5/11Sat
nonstopUnited Airlines
2h 24mEWR-SDF
5/24Fri
multi-stopUnited Airlines
3h 56mSDF-EWR
$363
5/11Sat
multi-stopSpirit Airlines
5h 49mBWI-SDF
5/13Mon
multi-stopSpirit Airlines
24h 14mSDF-BWI
$378
5/10Fri
multi-stop
6h 58mEWR-SDF
5/20Mon
multi-stop
12h 25mSDF-EWR
$394
5/12Sun
nonstopUnited Airlines
2h 32mEWR-SDF
5/15Wed
nonstopUnited Airlines
2h 11mSDF-EWR
$425
5/12Sun
multi-stopSouthwest
10h 30mLGA-SDF
5/15Wed
multi-stopSouthwest
16h 00mSDF-LGA
$509

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