United Flight AA3598 Deals & Information (2025/2026)

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United Flight 3598 Route Deals From $39

The cheapest prices found with in the last 7 days for return flights were $79 and $39 for one-way flights to Louisville Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 7 - Tue, Aug 12
ORD
O'Hare Intl.
SDF
Louisville Intl.
$79 Roundtrip, found 12 hours ago
$79
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Aug 7 from O'Hare Intl. to Louisville Intl., returning Tue, Aug 12, priced at $79 found 12 hours ago
Thu, Aug 7 - Tue, Aug 12
ORD
O'Hare Intl.
SDF
Louisville Intl.
$84 Roundtrip, found 12 hours ago
$84
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Aug 7 from O'Hare Intl. to Louisville Intl., returning Tue, Aug 12, priced at $84 found 12 hours ago
Thu, Aug 7 - Tue, Aug 12
ORD
O'Hare Intl.
SDF
Louisville Intl.
$96 Roundtrip, found 12 hours ago
$96
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Aug 7 from O'Hare Intl. to Louisville Intl., returning Tue, Aug 12, priced at $96 found 12 hours ago
Thu, Oct 16 - Mon, Oct 20
ORD
O'Hare Intl.
SDF
Louisville Intl.
$107 Roundtrip, found 8 hours ago
$107
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Oct 16 from O'Hare Intl. to Louisville Intl., returning Mon, Oct 20, priced at $107 found 8 hours ago
Thu, Aug 7 - Tue, Aug 12
ORD
O'Hare Intl.
SDF
Louisville Intl.
$116 Roundtrip, found 12 hours ago
$116
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Aug 7 from O'Hare Intl. to Louisville Intl., returning Tue, Aug 12, priced at $116 found 12 hours ago
Thu, Oct 16 - Mon, Oct 20
ORD
O'Hare Intl.
SDF
Louisville Intl.
$129 Roundtrip, found 8 hours ago
$129
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Oct 16 from O'Hare Intl. to Louisville Intl., returning Mon, Oct 20, priced at $129 found 8 hours ago
Thu, Sep 11 - Mon, Sep 15
ORD
O'Hare Intl.
SDF
Louisville Intl.
$130 Roundtrip, found 23 hours ago
$130
Roundtrip
found 23 hours ago
Select United flight, departing Thu, Sep 11 from O'Hare Intl. to Louisville Intl., returning Mon, Sep 15, priced at $130 found 23 hours ago
Thu, Aug 7 - Tue, Aug 12
ORD
O'Hare Intl.
SDF
Louisville Intl.
$130 Roundtrip, found 12 hours ago
$130
Roundtrip
found 12 hours ago
Select United flight, departing Thu, Aug 7 from O'Hare Intl. to Louisville Intl., returning Tue, Aug 12, priced at $130 found 12 hours ago
Thu, Oct 16 - Mon, Oct 20
ORD
O'Hare Intl.
SDF
Louisville Intl.
$132 Roundtrip, found 8 hours ago
$132
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Oct 16 from O'Hare Intl. to Louisville Intl., returning Mon, Oct 20, priced at $132 found 8 hours ago
Thu, Oct 16 - Mon, Oct 20
ORD
O'Hare Intl.
SDF
Louisville Intl.
$137 Roundtrip, found 8 hours ago
$137
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Oct 16 from O'Hare Intl. to Louisville Intl., returning Mon, Oct 20, priced at $137 found 8 hours ago

Frequently asked questions

What route does flight number UA3598 take?
UA3598 takes a number of routes. The most frequently flown is between El Paso Intl. Airport (ELP) and O'Hare Airport, which is a direct flight. This service typically takes 3 hours and 11 minutes. However, there may be other flights with this number that have one or more stops.
What kind of plane is on flight number UA3598?
UA3598 is a flight number that serves many different routes. If you're traveling on the most common route, El Paso Intl. Airport (ELP) to ORD, you're likely to be hopping on board 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 UA3598 flight with Travelocity, please visit our Customer Service Portal.