United Flight 3603 Deals & Information (2026/2027)

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United Flight 3603 Route Deals From $135

The cheapest prices found with in the last 7 days for return flights were $268 and $135 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 5 - Wed, May 6
SDF
Louisville Intl.
ORD
O'Hare Intl.
$268 Roundtrip, found 2 days ago
$268
Roundtrip
found 2 days ago
Select United flight, departing Tue, May 5 from Louisville Intl. to O'Hare Intl., returning Wed, May 6, priced at $268 found 2 days ago
Tue, May 5 - Wed, May 6
SDF
Louisville Intl.
ORD
O'Hare Intl.
$276 Roundtrip, found 2 days ago
$276
Roundtrip
found 2 days ago
Select United flight, departing Tue, May 5 from Louisville Intl. to O'Hare Intl., returning Wed, May 6, priced at $276 found 2 days ago
Tue, May 5 - Wed, May 6
SDF
Louisville Intl.
ORD
O'Hare Intl.
$283 Roundtrip, found 2 days ago
$283
Roundtrip
found 2 days ago
Select United flight, departing Tue, May 5 from Louisville Intl. to O'Hare Intl., returning Wed, May 6, priced at $283 found 2 days ago
Tue, May 5 - Thu, May 7
SDF
Louisville Intl.
ORD
O'Hare Intl.
$292 Roundtrip, found 2 days ago
$292
Roundtrip
found 2 days ago
Select United flight, departing Tue, May 5 from Louisville Intl. to O'Hare Intl., returning Thu, May 7, priced at $292 found 2 days ago
Tue, May 5 - Wed, May 6
SDF
Louisville Intl.
ORD
O'Hare Intl.
$292 Roundtrip, found 2 days ago
$292
Roundtrip
found 2 days ago
Select United flight, departing Tue, May 5 from Louisville Intl. to O'Hare Intl., returning Wed, May 6, priced at $292 found 2 days ago
Tue, May 5 - Thu, May 7
SDF
Louisville Intl.
ORD
O'Hare Intl.
$293 Roundtrip, found 2 days ago
$293
Roundtrip
found 2 days ago
Select United flight, departing Tue, May 5 from Louisville Intl. to O'Hare Intl., returning Thu, May 7, priced at $293 found 2 days ago
Tue, May 5 - Wed, May 6
SDF
Louisville Intl.
ORD
O'Hare Intl.
$297 Roundtrip, found 2 days ago
$297
Roundtrip
found 2 days ago
Select United flight, departing Tue, May 5 from Louisville Intl. to O'Hare Intl., returning Wed, May 6, priced at $297 found 2 days ago
Tue, May 5 - Thu, May 7
SDF
Louisville Intl.
ORD
O'Hare Intl.
$301 Roundtrip, found 2 days ago
$301
Roundtrip
found 2 days ago
Select United flight, departing Tue, May 5 from Louisville Intl. to O'Hare Intl., returning Thu, May 7, priced at $301 found 2 days ago
Tue, May 5 - Wed, May 6
SDF
Louisville Intl.
ORD
O'Hare Intl.
$304 Roundtrip, found 2 days ago
$304
Roundtrip
found 2 days ago
Select United flight, departing Tue, May 5 from Louisville Intl. to O'Hare Intl., returning Wed, May 6, priced at $304 found 2 days ago
Tue, May 5 - Thu, May 7
SDF
Louisville Intl.
ORD
O'Hare Intl.
$310 Roundtrip, found 2 days ago
$310
Roundtrip
found 2 days ago
Select United flight, departing Tue, May 5 from Louisville Intl. to O'Hare Intl., returning Thu, May 7, priced at $310 found 2 days ago
Tue, May 5 - Wed, May 6
SDF
Louisville Intl.
ORD
O'Hare Intl.
$313 Roundtrip, found 2 days ago
$313
Roundtrip
found 2 days ago
Select United flight, departing Tue, May 5 from Louisville Intl. to O'Hare Intl., returning Wed, May 6, priced at $313 found 2 days ago
Fri, Jun 12 - Sun, Jun 14
SDF
Louisville Intl.
ORD
O'Hare Intl.
$335 Roundtrip, found 1 day ago
$335
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jun 12 from Louisville Intl. to O'Hare Intl., returning Sun, Jun 14, priced at $335 found 1 day ago
Fri, Jul 24 - Sun, Jul 26
SDF
Louisville Intl.
ORD
O'Hare Intl.
$340 Roundtrip, found 1 day ago
$340
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 24 from Louisville Intl. to O'Hare Intl., returning Sun, Jul 26, priced at $340 found 1 day ago
Fri, Jul 31 - Sat, Aug 1
SDF
Louisville Intl.
ORD
O'Hare Intl.
$356 Roundtrip, found 4 hours ago
$356
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Jul 31 from Louisville Intl. to O'Hare Intl., returning Sat, Aug 1, priced at $356 found 4 hours ago

Frequently asked questions

What route does flight number UA3603 take?
Flight number UA3603 takes about 2 hours and 17 minutes to jet straight from O'Hare Intl. Airport (ORD) to Fort Walton Beach, FL Airport (VPS-Northwest Florida Regional). Sure, there's magic in the destination, but the journey is always half the fun!
What terminal does UA3603 fly out of?
Flights between Chicago, IL Airport (ORD-O'Hare Intl.) and Destin–Fort Walton Beach Airport are served by UA3603, and passengers with a seat booked on this route usually depart from Terminal 2.
What kind of plane is on flight number UA3603?
The route for UA3603 is generally Chicago, IL Airport (ORD-O'Hare Intl.) to VPS, and the Embraer 170 is the type of plane you'll probably be taking off on.
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 UA3603 flight with Travelocity, please visit our Customer Service Portal.