United Flight 5021 Deals & Information (2025/2026)

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United Flight 5021 Route Deals From $251

The cheapest prices found with in the last 7 days for return flights were $326 and $251 for one-way flights to Sioux Gateway for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Oct 19 - Mon, Oct 20
ORD
O'Hare Intl.
SUX
Sioux Gateway
$326 Roundtrip, found 4 days ago
$326
Roundtrip
found 4 days ago
Select United flight, departing Sun, Oct 19 from O'Hare Intl. to Sioux Gateway, returning Mon, Oct 20, priced at $326 found 4 days ago
Fri, Aug 8 - Sat, Aug 9
ORD
O'Hare Intl.
SUX
Sioux Gateway
$329 Roundtrip, found 4 days ago
$329
Roundtrip
found 4 days ago
Select United flight, departing Fri, Aug 8 from O'Hare Intl. to Sioux Gateway, returning Sat, Aug 9, priced at $329 found 4 days ago
Sun, Dec 14 - Wed, Dec 17
ORD
O'Hare Intl.
SUX
Sioux Gateway
$339 Roundtrip, found 4 days ago
$339
Roundtrip
found 4 days ago
Select United flight, departing Sun, Dec 14 from O'Hare Intl. to Sioux Gateway, returning Wed, Dec 17, priced at $339 found 4 days ago
Mon, Aug 11 - Wed, Aug 13
ORD
O'Hare Intl.
SUX
Sioux Gateway
$345 Roundtrip, found 1 day ago
$345
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 11 from O'Hare Intl. to Sioux Gateway, returning Wed, Aug 13, priced at $345 found 1 day ago
Wed, Oct 29 - Fri, Oct 31
ORD
O'Hare Intl.
SUX
Sioux Gateway
$416 Roundtrip, found 13 hours ago
$416
Roundtrip
found 13 hours ago
Select United flight, departing Wed, Oct 29 from O'Hare Intl. to Sioux Gateway, returning Fri, Oct 31, priced at $416 found 13 hours ago
Thu, Oct 30 - Sat, Nov 1
ORD
O'Hare Intl.
SUX
Sioux Gateway
$455 Roundtrip, found 13 hours ago
$455
Roundtrip
found 13 hours ago
Select United flight, departing Thu, Oct 30 from O'Hare Intl. to Sioux Gateway, returning Sat, Nov 1, priced at $455 found 13 hours ago
Wed, Oct 29 - Fri, Oct 31
ORD
O'Hare Intl.
SUX
Sioux Gateway
$608 Roundtrip, found 13 hours ago
$608
Roundtrip
found 13 hours ago
Select United flight, departing Wed, Oct 29 from O'Hare Intl. to Sioux Gateway, returning Fri, Oct 31, priced at $608 found 13 hours ago
Fri, Aug 8 - Sat, Aug 9
ORD
O'Hare Intl.
SUX
Sioux Gateway
$613 Roundtrip, found 4 days ago
$613
Roundtrip
found 4 days ago
Select United flight, departing Fri, Aug 8 from O'Hare Intl. to Sioux Gateway, returning Sat, Aug 9, priced at $613 found 4 days ago
Mon, Aug 11 - Wed, Aug 13
ORD
O'Hare Intl.
SUX
Sioux Gateway
$619 Roundtrip, found 1 day ago
$619
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 11 from O'Hare Intl. to Sioux Gateway, returning Wed, Aug 13, priced at $619 found 1 day ago
Sun, Dec 14 - Wed, Dec 17
ORD
O'Hare Intl.
SUX
Sioux Gateway
$621 Roundtrip, found 4 days ago
$621
Roundtrip
found 4 days ago
Select United flight, departing Sun, Dec 14 from O'Hare Intl. to Sioux Gateway, returning Wed, Dec 17, priced at $621 found 4 days ago
Sun, Feb 22 - Wed, Feb 25
ORD
O'Hare Intl.
SUX
Sioux Gateway
$651 Roundtrip, found 4 days ago
$651
Roundtrip
found 4 days ago
Select United flight, departing Sun, Feb 22 from O'Hare Intl. to Sioux Gateway, returning Wed, Feb 25, priced at $651 found 4 days ago
Fri, Aug 8 - Sat, Aug 9
ORD
O'Hare Intl.
SUX
Sioux Gateway
$656 Roundtrip, found 4 days ago
$656
Roundtrip
found 4 days ago
Select United flight, departing Fri, Aug 8 from O'Hare Intl. to Sioux Gateway, returning Sat, Aug 9, priced at $656 found 4 days ago
Wed, Oct 29 - Fri, Oct 31
ORD
O'Hare Intl.
SUX
Sioux Gateway
$690 Roundtrip, found 13 hours ago
$690
Roundtrip
found 13 hours ago
Select United flight, departing Wed, Oct 29 from O'Hare Intl. to Sioux Gateway, returning Fri, Oct 31, priced at $690 found 13 hours ago
Fri, Aug 8 - Sat, Aug 9
ORD
O'Hare Intl.
SUX
Sioux Gateway
$696 Roundtrip, found 4 days ago
$696
Roundtrip
found 4 days ago
Select United flight, departing Fri, Aug 8 from O'Hare Intl. to Sioux Gateway, returning Sat, Aug 9, priced at $696 found 4 days ago

Frequently asked questions

What route does flight number UA5021 take?
UA5021 takes a number of routes. The most popular is ATY to ORD, which flies direct. This flight typically takes 1 hour and 38 minutes. However, you might find other flights with the same number that have one or more stops.
What kind of plane is on flight number UA5021?
It's highly likely you'll be cruising aboard the Bombardier CRJ if you've reserved a ticket on flight UA5021 from ATY to O'Hare Intl. Airport (ORD). This is the most commonly used aircraft type on this popular route.
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 UA5021 flight with Travelocity, please visit our Customer Service Portal.