$182 Cheap United flights Newark Liberty Intl. Airport (EWR) to Louisville (SDF)

View $182 flight on Wed, Sep 3, 2025Opens in a new window

  • 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 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$182 Cheap United flights Newark Liberty Intl. Airport (EWR) to Louisville (SDF)

Prices were available within the past 7 days and start at $182 for one-way flights and $209 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Oct 27 - Tue, Nov 4
EWR
New York
SDF
Louisville
$209 Roundtrip, just found
$209
Roundtrip
just found
Select United flight, departing Mon, Oct 27 from New York to Louisville, returning Tue, Nov 4, priced at $209 just found
United
Sat, Oct 25 - Sun, Nov 2
EWR
New York
SDF
Louisville
$213 Roundtrip, just found
$213
Roundtrip
just found
Select United flight, departing Sat, Oct 25 from New York to Louisville, returning Sun, Nov 2, priced at $213 just found
United
Wed, Oct 15 - Wed, Oct 22
EWR
New York
SDF
Louisville
$217 Roundtrip, found 2 hours ago
$217
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Oct 15 from New York to Louisville, returning Wed, Oct 22, priced at $217 found 2 hours ago
United
Thu, Oct 16 - Thu, Oct 23
EWR
New York
SDF
Louisville
$218 Roundtrip, found 2 hours ago
$218
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Oct 16 from New York to Louisville, returning Thu, Oct 23, priced at $218 found 2 hours ago
United
Fri, Oct 24 - Sat, Nov 1
EWR
New York
SDF
Louisville
$219 Roundtrip, just found
$219
Roundtrip
just found
Select United flight, departing Fri, Oct 24 from New York to Louisville, returning Sat, Nov 1, priced at $219 just found
United
Thu, Oct 16 - Wed, Oct 22
EWR
New York
SDF
Louisville
$222 Roundtrip, found 4 hours ago
$222
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Oct 16 from New York to Louisville, returning Wed, Oct 22, priced at $222 found 4 hours ago
Flights from Newark Liberty Intl. Airport (EWR) to Louisville (SDF)
Origin airport
Newark Liberty Intl. Airport
Destination airport
Louisville Intl.
Airlines serving
American Airlines, Delta, Spirit Airlines, United
Popular airline
United
Distance
640 mi
Average flight time
2 hours 24 mins

Frequently asked questions

How much is a United Airlines flight from Liberty Intl. Airport (EWR) to Louisville Intl. Airport (SDF)?
Use the "Price (lowest to highest)" filter on Expedia to look for cheap United Airlines return flights from $209 from EWR to SDF. Affordable one-way options from $182 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from EWR to SDF with United Airlines?
January is one of the least expensive months to jet off to Louisville with United Airlines. You could also find excellent prices on one-way and round-trip tickets in December.
What is the cheapest time to book flights from Liberty Intl. Airport (EWR) to Louisville Intl. Airport (SDF) with United Airlines?
For cheap United Airlines fares from Liberty Intl. Airport (EWR) to Louisville Intl. Airport (SDF), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the cost. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Liberty Intl. Airport (EWR) to Louisville Intl. Airport (SDF)?
Take off on one of United Airlines's 21 direct weekly flights from Liberty Intl. Airport (EWR) to Louisville Intl. Airport (SDF). To see what's available, enter your origin, destination and dates and hit search. Next, apply the "Nonstop" and "Airline" filters.
How long does it take to fly from EWR to SDF with United Airlines?
From takeoff to touchdown, a nonstop United Airlines flight from Liberty Intl. Airport (EWR) to Louisville Intl. Airport (SDF) takes approximately 2h 30m.
Which day of the week has the most United Airlines flights from Liberty Intl. Airport (EWR) to Louisville Intl. Airport (SDF)?
Thursday has the most United Airlines flights from Liberty Intl. Airport (EWR) to Louisville Intl. Airport (SDF). With 3 daily departures, this is the best day of the week to find something that will work for your schedule.
What is the earliest United Airlines flight from EWR to SDF?
Departing EWR at 11:35AM UTC-5, the first United Airlines flight to SDF lands at 2:00PM UTC-5. Traveling earlier in the day means you're less likely to encounter cancellations or delays.* Prefer a later start? The last United Airlines flight from EWR to SDF departs at 7:55PM UTC-5 and touches down at 10:29PM UTC-5.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Louisville?
United Airlines flights from Liberty Intl. Airport (EWR) to Louisville come in to land at Louisville Intl. Airport (SDF). This is the main entry point here.
Why fly with United Airlines from EWR to SDF?
A rewarding loyalty program and the opportunity to collect points through United Mileage Plus are the start of the reasons to travel from EWR to SDF with United Airlines. Plus, when you sign up to our One Key™ program, you can earn OneKeyCash™* alongside United Airlines's loyalty program earnings. It's yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Liberty Intl. Airport (EWR) to Louisville Intl. Airport (SDF)?
You'll likely be onboard an Embraer 175 or an Embraer 170 when flying United Airlines from Liberty Intl. Airport (EWR) to Louisville Intl. Airport (SDF). However, keep in mind that a different aircraft may be used due to operational factors.
Can I change or cancel my United Airlines flight from Liberty Intl. Airport (EWR) to Louisville Intl. Airport (SDF)?
Changes are generally free within 24 hours of making a booking, but your airline may charge you after that. For further details about modifying your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you want the freedom to adjust your plans without being charged, apply the "No cancel fee" or "Changes included" filter when organizing your next adventure.
*Available to One Key members.