United Flight 3598 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 $77 and $39 for one-way flights to Louisville Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Aug 18 - Tue, Aug 19
ORD
O'Hare Intl.
SDF
Louisville Intl.
$77 Roundtrip, found 19 hours ago
$77
Roundtrip
found 19 hours ago
Select United flight, departing Mon, Aug 18 from O'Hare Intl. to Louisville Intl., returning Tue, Aug 19, priced at $77 found 19 hours ago
Mon, Oct 20 - Thu, Oct 23
ORD
O'Hare Intl.
SDF
Louisville Intl.
$84 Roundtrip, found 1 day ago
$84
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 20 from O'Hare Intl. to Louisville Intl., returning Thu, Oct 23, priced at $84 found 1 day ago
Mon, Sep 8 - Thu, Sep 11
ORD
O'Hare Intl.
SDF
Louisville Intl.
$91 Roundtrip, found 19 hours ago
$91
Roundtrip
found 19 hours ago
Select United flight, departing Mon, Sep 8 from O'Hare Intl. to Louisville Intl., returning Thu, Sep 11, priced at $91 found 19 hours ago
Mon, Oct 20 - Thu, Oct 23
ORD
O'Hare Intl.
SDF
Louisville Intl.
$100 Roundtrip, found 1 day ago
$100
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 20 from O'Hare Intl. to Louisville Intl., returning Thu, Oct 23, priced at $100 found 1 day ago
Sat, Sep 13 - Tue, Sep 16
ORD
O'Hare Intl.
SDF
Louisville Intl.
$111 Roundtrip, found 4 days ago
$111
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 13 from O'Hare Intl. to Louisville Intl., returning Tue, Sep 16, priced at $111 found 4 days ago
Sun, Sep 14 - Sat, Sep 20
ORD
O'Hare Intl.
SDF
Louisville Intl.
$114 Roundtrip, found 15 hours ago
$114
Roundtrip
found 15 hours ago
Select United flight, departing Sun, Sep 14 from O'Hare Intl. to Louisville Intl., returning Sat, Sep 20, priced at $114 found 15 hours ago
Mon, Oct 20 - Thu, Oct 23
ORD
O'Hare Intl.
SDF
Louisville Intl.
$116 Roundtrip, found 1 day ago
$116
Roundtrip
found 1 day ago
Select United flight, departing Mon, Oct 20 from O'Hare Intl. to Louisville Intl., returning Thu, Oct 23, priced at $116 found 1 day ago
Fri, Sep 12 - Sat, Sep 13
ORD
O'Hare Intl.
SDF
Louisville Intl.
$126 Roundtrip, found 6 days ago
$126
Roundtrip
found 6 days ago
Select United flight, departing Fri, Sep 12 from O'Hare Intl. to Louisville Intl., returning Sat, Sep 13, priced at $126 found 6 days ago
Thu, Oct 16 - Fri, Oct 24
ORD
O'Hare Intl.
SDF
Louisville Intl.
$127 Roundtrip, found 3 days ago
$127
Roundtrip
found 3 days ago
Select United flight, departing Thu, Oct 16 from O'Hare Intl. to Louisville Intl., returning Fri, Oct 24, priced at $127 found 3 days ago
Sun, Sep 14 - Sat, Sep 20
ORD
O'Hare Intl.
SDF
Louisville Intl.
$128 Roundtrip, found 15 hours ago
$128
Roundtrip
found 15 hours ago
Select United flight, departing Sun, Sep 14 from O'Hare Intl. to Louisville Intl., returning Sat, Sep 20, priced at $128 found 15 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.