United Flight AA4186 Deals & Information (2025/2026)

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United Flight 4186 Route Deals From $189

The cheapest prices found with in the last 7 days for return flights were $189 and $189 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 1 - Sun, Oct 5
FSD
Sioux Falls Regional
ORD
O'Hare Intl.
$189 Roundtrip, found 4 days ago
$189
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 1 from Sioux Falls Regional to O'Hare Intl., returning Sun, Oct 5, priced at $189 found 4 days ago
Wed, Jul 9 - Sun, Jul 13
FSD
Sioux Falls Regional
ORD
O'Hare Intl.
$218 Roundtrip, found 4 days ago
$218
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jul 9 from Sioux Falls Regional to O'Hare Intl., returning Sun, Jul 13, priced at $218 found 4 days ago
Thu, Aug 14 - Sun, Aug 17
FSD
Sioux Falls Regional
ORD
O'Hare Intl.
$251 Roundtrip, found 1 hour ago
$251
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Aug 14 from Sioux Falls Regional to O'Hare Intl., returning Sun, Aug 17, priced at $251 found 1 hour ago
Thu, Jul 24 - Sun, Jul 27
FSD
Sioux Falls Regional
ORD
O'Hare Intl.
$251 Roundtrip, found 1 day ago
$251
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jul 24 from Sioux Falls Regional to O'Hare Intl., returning Sun, Jul 27, priced at $251 found 1 day ago
Sat, Jul 12 - Tue, Jul 15
FSD
Sioux Falls Regional
ORD
O'Hare Intl.
$260 Roundtrip, found 18 hours ago
$260
Roundtrip
found 18 hours ago
Select United flight, departing Sat, Jul 12 from Sioux Falls Regional to O'Hare Intl., returning Tue, Jul 15, priced at $260 found 18 hours ago
Thu, Aug 14 - Sun, Aug 17
FSD
Sioux Falls Regional
ORD
O'Hare Intl.
$293 Roundtrip, found 1 hour ago
$293
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Aug 14 from Sioux Falls Regional to O'Hare Intl., returning Sun, Aug 17, priced at $293 found 1 hour ago