United Flight AA691 Deals & Information (2025/2026)

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United Flight 691 Route Deals From $52

The cheapest prices found with in the last 7 days for return flights were $101 and $52 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Feb 7 - Sat, Feb 14
CVG
Cincinnati - Northern Kentucky Intl.
ORD
O'Hare Intl.
$101 Roundtrip, found 6 hours ago
$101
Roundtrip
found 6 hours ago
Select United flight, departing Sat, Feb 7 from Cincinnati - Northern Kentucky Intl. to O'Hare Intl., returning Sat, Feb 14, priced at $101 found 6 hours ago
Tue, Oct 7 - Thu, Oct 9
CVG
Cincinnati - Northern Kentucky Intl.
ORD
O'Hare Intl.
$130 Roundtrip, found 3 hours ago
$130
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Oct 7 from Cincinnati - Northern Kentucky Intl. to O'Hare Intl., returning Thu, Oct 9, priced at $130 found 3 hours ago
Fri, Dec 5 - Sun, Dec 7
CVG
Cincinnati - Northern Kentucky Intl.
ORD
O'Hare Intl.
$133 Roundtrip, found 8 hours ago
$133
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Dec 5 from Cincinnati - Northern Kentucky Intl. to O'Hare Intl., returning Sun, Dec 7, priced at $133 found 8 hours ago
Tue, Oct 7 - Thu, Oct 9
CVG
Cincinnati - Northern Kentucky Intl.
ORD
O'Hare Intl.
$150 Roundtrip, found 3 hours ago
$150
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Oct 7 from Cincinnati - Northern Kentucky Intl. to O'Hare Intl., returning Thu, Oct 9, priced at $150 found 3 hours ago
Tue, Oct 7 - Thu, Oct 9
CVG
Cincinnati - Northern Kentucky Intl.
ORD
O'Hare Intl.
$161 Roundtrip, found 3 hours ago
$161
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Oct 7 from Cincinnati - Northern Kentucky Intl. to O'Hare Intl., returning Thu, Oct 9, priced at $161 found 3 hours ago
Sat, Feb 7 - Sat, Feb 14
CVG
Cincinnati - Northern Kentucky Intl.
ORD
O'Hare Intl.
$161 Roundtrip, found 6 hours ago
$161
Roundtrip
found 6 hours ago
Select United flight, departing Sat, Feb 7 from Cincinnati - Northern Kentucky Intl. to O'Hare Intl., returning Sat, Feb 14, priced at $161 found 6 hours ago
Tue, Oct 7 - Thu, Oct 9
CVG
Cincinnati - Northern Kentucky Intl.
ORD
O'Hare Intl.
$162 Roundtrip, found 3 hours ago
$162
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Oct 7 from Cincinnati - Northern Kentucky Intl. to O'Hare Intl., returning Thu, Oct 9, priced at $162 found 3 hours ago
Tue, Oct 7 - Thu, Oct 9
CVG
Cincinnati - Northern Kentucky Intl.
ORD
O'Hare Intl.
$173 Roundtrip, found 3 hours ago
$173
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Oct 7 from Cincinnati - Northern Kentucky Intl. to O'Hare Intl., returning Thu, Oct 9, priced at $173 found 3 hours ago
Fri, Dec 5 - Sun, Dec 7
CVG
Cincinnati - Northern Kentucky Intl.
ORD
O'Hare Intl.
$175 Roundtrip, found 8 hours ago
$175
Roundtrip
found 8 hours ago
Select United flight, departing Fri, Dec 5 from Cincinnati - Northern Kentucky Intl. to O'Hare Intl., returning Sun, Dec 7, priced at $175 found 8 hours ago

Frequently asked questions

What route does flight number UA691 take?
UA691 is used on a range of routes. Most often, UA691 flies directly from Chicago, IL Airport (ORD-O'Hare Intl.) to LAX. If you have a ticket on this route, you'll be in the air for roughly 4 hours and 13 minutes.
What terminal does UA691 fly out of?
You'll most likely take off from Terminal 1 if you're setting off from Chicago, IL Airport (ORD-O'Hare Intl.). UA691 serves several different routes, but the direct flight between O'Hare Airport and Los Angeles, CA Airport (LAX-Los Angeles Intl.) is the most frequently traveled one.
What kind of plane is on flight number UA691?
If you're on flight UA691 from ORD to Los Angeles Intl. Airport (LAX), there's every chance you'll be traveling aboard an Airbus A320. This flight number serves a number of different routes, but this is the most popular.
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 UA691 flight with Travelocity, please visit our Customer Service Portal.