United Flight 3685 Deals & Information (2025/2026)

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United Flight 3685 Route Deals From $56

The cheapest prices found with in the last 7 days for return flights were $109 and $56 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 19 - Thu, Aug 28
CVG
Cincinnati - Northern Kentucky Intl.
ORD
O'Hare Intl.
$109 Roundtrip, found 5 days ago
$109
Roundtrip
found 5 days ago
Select United flight, departing Tue, Aug 19 from Cincinnati - Northern Kentucky Intl. to O'Hare Intl., returning Thu, Aug 28, priced at $109 found 5 days ago
Tue, Aug 19 - Thu, Aug 28
CVG
Cincinnati - Northern Kentucky Intl.
ORD
O'Hare Intl.
$120 Roundtrip, found 5 days ago
$120
Roundtrip
found 5 days ago
Select United flight, departing Tue, Aug 19 from Cincinnati - Northern Kentucky Intl. to O'Hare Intl., returning Thu, Aug 28, priced at $120 found 5 days ago
Fri, Oct 3 - Mon, Oct 6
CVG
Cincinnati - Northern Kentucky Intl.
ORD
O'Hare Intl.
$165 Roundtrip, found 4 days ago
$165
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 3 from Cincinnati - Northern Kentucky Intl. to O'Hare Intl., returning Mon, Oct 6, priced at $165 found 4 days ago
Fri, Oct 3 - Mon, Oct 6
CVG
Cincinnati - Northern Kentucky Intl.
ORD
O'Hare Intl.
$168 Roundtrip, found 4 days ago
$168
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 3 from Cincinnati - Northern Kentucky Intl. to O'Hare Intl., returning Mon, Oct 6, priced at $168 found 4 days ago
Sat, Aug 2 - Thu, Aug 7
CVG
Cincinnati - Northern Kentucky Intl.
ORD
O'Hare Intl.
$173 Roundtrip, found 6 days ago
$173
Roundtrip
found 6 days ago
Select United flight, departing Sat, Aug 2 from Cincinnati - Northern Kentucky Intl. to O'Hare Intl., returning Thu, Aug 7, priced at $173 found 6 days ago
Fri, Oct 3 - Mon, Oct 6
CVG
Cincinnati - Northern Kentucky Intl.
ORD
O'Hare Intl.
$186 Roundtrip, found 4 days ago
$186
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 3 from Cincinnati - Northern Kentucky Intl. to O'Hare Intl., returning Mon, Oct 6, priced at $186 found 4 days ago
Fri, Oct 3 - Mon, Oct 6
CVG
Cincinnati - Northern Kentucky Intl.
ORD
O'Hare Intl.
$199 Roundtrip, found 4 days ago
$199
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 3 from Cincinnati - Northern Kentucky Intl. to O'Hare Intl., returning Mon, Oct 6, priced at $199 found 4 days ago
Sat, Aug 16 - Mon, Aug 18
CVG
Cincinnati - Northern Kentucky Intl.
ORD
O'Hare Intl.
$234 Roundtrip, found 3 days ago
$234
Roundtrip
found 3 days ago
Select United flight, departing Sat, Aug 16 from Cincinnati - Northern Kentucky Intl. to O'Hare Intl., returning Mon, Aug 18, priced at $234 found 3 days ago