United Flight 3574 Deals & Information (2026/2027)

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United Flight 3574 Route Deals From $258

The cheapest prices found with in the last 7 days for return flights were $239 and $258 for one-way flights to Newark Liberty Intl. Airport for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 29 - Tue, Sep 1
SDF
Louisville Intl.
EWR
Newark Liberty Intl. Airport
$239 Roundtrip, found 2 days ago
$239
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 29 from Louisville Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 1, priced at $239 found 2 days ago
Wed, Jul 15 - Mon, Jul 20
SDF
Louisville Intl.
EWR
Newark Liberty Intl. Airport
$245 Roundtrip, found 2 days ago
$245
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jul 15 from Louisville Intl. to Newark Liberty Intl. Airport, returning Mon, Jul 20, priced at $245 found 2 days ago
Sat, Aug 29 - Tue, Sep 1
SDF
Louisville Intl.
EWR
Newark Liberty Intl. Airport
$249 Roundtrip, found 2 days ago
$249
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 29 from Louisville Intl. to Newark Liberty Intl. Airport, returning Tue, Sep 1, priced at $249 found 2 days ago
Wed, Jul 15 - Mon, Jul 20
SDF
Louisville Intl.
EWR
Newark Liberty Intl. Airport
$255 Roundtrip, found 2 days ago
$255
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jul 15 from Louisville Intl. to Newark Liberty Intl. Airport, returning Mon, Jul 20, priced at $255 found 2 days ago
Fri, Aug 14 - Sun, Aug 16
SDF
Louisville Intl.
EWR
Newark Liberty Intl. Airport
$259 Roundtrip, found 6 hours ago
$259
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Aug 14 from Louisville Intl. to Newark Liberty Intl. Airport, returning Sun, Aug 16, priced at $259 found 6 hours ago
Fri, Jul 17 - Wed, Jul 22
SDF
Louisville Intl.
EWR
Newark Liberty Intl. Airport
$265 Roundtrip, found 2 days ago
$265
Roundtrip
found 2 days ago
Select United flight, departing Fri, Jul 17 from Louisville Intl. to Newark Liberty Intl. Airport, returning Wed, Jul 22, priced at $265 found 2 days ago
Wed, Jul 15 - Sat, Jul 18
SDF
Louisville Intl.
EWR
Newark Liberty Intl. Airport
$266 Roundtrip, found 2 days ago
$266
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jul 15 from Louisville Intl. to Newark Liberty Intl. Airport, returning Sat, Jul 18, priced at $266 found 2 days ago
Wed, Aug 19 - Mon, Aug 24
SDF
Louisville Intl.
EWR
Newark Liberty Intl. Airport
$269 Roundtrip, found 10 hours ago
$269
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Aug 19 from Louisville Intl. to Newark Liberty Intl. Airport, returning Mon, Aug 24, priced at $269 found 10 hours ago
Fri, Aug 14 - Sun, Aug 16
SDF
Louisville Intl.
EWR
Newark Liberty Intl. Airport
$277 Roundtrip, found 6 hours ago
$277
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Aug 14 from Louisville Intl. to Newark Liberty Intl. Airport, returning Sun, Aug 16, priced at $277 found 6 hours ago
Wed, Jul 15 - Mon, Jul 20
SDF
Louisville Intl.
EWR
Newark Liberty Intl. Airport
$279 Roundtrip, found 2 days ago
$279
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jul 15 from Louisville Intl. to Newark Liberty Intl. Airport, returning Mon, Jul 20, priced at $279 found 2 days ago

Frequently asked questions

What route does flight number UA3574 take?
UA3574 takes several routes. The most popular is Newark, NJ Airport (EWR-Liberty Intl.) to HHH, which flies direct. This flight takes roughly 2 hours and 26 minutes. That said, there may be other flights with this number that are multi-stop.
What terminal does UA3574 fly out of?
You'll probably take off from Terminal C if you're flying from Newark, NJ Airport (EWR-Liberty Intl.). Flight number UA3574 serves multiple routes, but the direct flight between Newark Airport and Hilton Head Airport is the most popular.
What kind of plane is on flight number UA3574?
UA3574 is a flight number that's used on a number of different routes. If you have a ticket on its most popular route, EWR to HHH, there's a strong chance you'll be on an Embraer 170.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA3574 flight with Travelocity, please visit our Customer Service Portal.