United Flight 3598 Deals & Information (2026/2027)

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United Flight 3598 Route Deals From $74

The cheapest prices found with in the last 7 days for return flights were $171 and $74 for one-way flights to Louisville Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 19 - Wed, May 20
ORD
O'Hare Intl.
SDF
Louisville Intl.
$171 Roundtrip, found 21 hours ago
$171
Roundtrip
found 21 hours ago
Select United flight, departing Tue, May 19 from O'Hare Intl. to Louisville Intl., returning Wed, May 20, priced at $171 found 21 hours ago
Tue, May 19 - Wed, May 20
ORD
O'Hare Intl.
SDF
Louisville Intl.
$203 Roundtrip, found 21 hours ago
$203
Roundtrip
found 21 hours ago
Select United flight, departing Tue, May 19 from O'Hare Intl. to Louisville Intl., returning Wed, May 20, priced at $203 found 21 hours ago
Tue, May 19 - Wed, May 20
ORD
O'Hare Intl.
SDF
Louisville Intl.
$231 Roundtrip, found 21 hours ago
$231
Roundtrip
found 21 hours ago
Select United flight, departing Tue, May 19 from O'Hare Intl. to Louisville Intl., returning Wed, May 20, priced at $231 found 21 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.