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Delaware

$95+ Cheap flights from Louisville (SDF) to Delaware

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ILG
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap flight deals from Louisville to Delaware

Keep the following information in mind while searching for Louisville to Delaware flight deals. Data was last updated April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$203
(Mytrip)

One-way from

$95
(Cheapflightsfares)

Popular in

October

Cheapest in

August

Average price

$480
Provider with most accurate pricing for Louisville Intl-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Philadelphia flights.
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From Louisville Intl to Delaware
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One-way flight from Louisville Intl to Delaware
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Louisville to Delaware

Cheapest flights from Louisville to Delaware
Explore the most affordable flight options available from Louisville to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This Mytrip deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2012:58 pmSDF - PHL
1 stop18h 50mSpirit Airlines
Tue 5/276:00 amPHL - SDF
1 stop6h 03mSpirit Airlines
Deal found 4/22$203
This Mytrip deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2012:58 pmSDF - PHL
1 stop18h 50mMultiple Airlines
Tue 5/276:00 amPHL - SDF
2 stops37h 15mMultiple Airlines
Deal found 4/22$224
This Delta deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/228:00 pmSDF - PHL
1 stop4h 57mDelta
Mon 5/267:19 pmPHL - SDF
1 stop4h 46mDelta
Deal found 4/23$271
This American Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/22:34 pmSDF - PHL
1 stop10h 11mAmerican Airlines
Tue 7/812:58 pmPHL - SDF
Nonstop2h 11mAmerican Airlines
Deal found 4/22$309
This Southwest deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1012:00 pmSDF - PHL
1 stop7h 30mSouthwest
Mon 7/145:30 amPHL - SDF
2 stops11h 35mSouthwest
Deal found 4/22$338
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/268:55 amSDF - PHL
1 stop15h 50mUnited Airlines
Thu 5/296:25 amPHL - SDF
1 stop15h 49mUnited Airlines
Deal found 4/22$433

Cheapflights Fare Finder

Customize your flight search to find flights from Louisville to Delaware that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 24, 2025.
Use the filters below to find and compare flights from Louisville to Delaware that are best for you.

Fly from

Louisville

Fly to

Delaware

Route

Depart

Return

Price

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Tue 5/20

12:58 pm-7:48 am

1 stop18h 50m

Philadelphia

Tue 5/27

6:00 am-12:03 pm

1 stop6h 03m

$203

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Tue 5/20

12:58 pm-7:48 am

1 stop18h 50m

Philadelphia

Tue 5/27

6:00 am-7:15 pm

2 stops37h 15m

$224

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Thu 5/22

8:00 pm-12:57 am

1 stop4h 57m

Philadelphia

Mon 5/26

7:19 pm-12:05 am

1 stop4h 46m

$271

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Wed 7/2

2:34 pm-12:45 am

1 stop10h 11m

Philadelphia

Tue 7/8

12:58 pm-3:09 pm

Nonstop2h 11m

$309

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Thu 7/10

12:00 pm-7:30 pm

1 stop7h 30m

Philadelphia

Mon 7/14

5:30 am-5:05 pm

2 stops11h 35m

$338

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Mon 5/26

8:55 am-12:45 am

1 stop15h 50m

Philadelphia

Thu 5/29

6:25 am-10:14 pm

1 stop15h 49m

$433

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Wed 6/18

5:03 am-4:36 pm

1 stop11h 33m

$95

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Fri 5/9

2:07 pm-1:26 am

1 stop11h 19m

$127

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Sat 5/24

7:50 am-12:00 pm

1 stop4h 10m

$132

LouisvillePhiladelphia

SDF - PHL

SDFPHL

Louisville Intl

Tue 7/22

1:05 pm-10:45 pm

2 stops9h 40m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 12 results
1
2

Best time to book a flight from Louisville to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware from Louisville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Delaware

Rainfall in Delaware by month

Plan your trip to Delaware by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Delaware ranges from 2.9 - 4.3 inches per month. July is typically the wettest month, when rainfall can reach 4.3 in. February is typically the driest time to visit Delaware when rainfall is around 2.9 in.

Temperature in Delaware by month

Plan your trip to Delaware by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Delaware, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Delaware

Get insights into the airlines that provide service to Delaware. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Delaware. Reviews last updated April 24, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Louisville to Delaware by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Comfort

8.0

Entertainment

7.6

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Comfort

8.0

Entertainment

7.6

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,920 reviews
Southwest
8.0
Very good
4,287 reviews

Comfort

8.0

Entertainment

7.6

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,685 reviews
Southwest
8.0
Very good
4,287 reviews

Comfort

8.0

Entertainment

7.6

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Comfort

8.0

Entertainment

7.6

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Spirit Airlines
6.3
Okay
7,940 reviews
Southwest
8.0
Very good
4,287 reviews

Comfort

8.0

Entertainment

7.6

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Louisville to Delaware. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Louisville to Delaware?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly out of when you book flights from Louisville to Delaware.

  • What are the cheapest airlines to fly from Louisville to Delaware one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $95. Delta flights start at $132 while deals on American Airlines start at $159 one-way.

  • Can I find deals for flights from Louisville to Delaware that include hotel bookings?

    Yes. In addition to deals on Louisville to Delaware flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Delaware?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Delaware.

  • Can I find deals for business class flights from Louisville to Delaware?

    Yes. Cheapflights offers flight deals from Louisville to Delaware by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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