United Flight 3491 Deals & Information (2026/2027)

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United Flight 3491 Route Deals From $47

The cheapest prices found with in the last 7 days for return flights were $171 and $47 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Mar 28 - Mon, Mar 30
CMH
John Glenn Columbus Intl.
ORD
O'Hare Intl.
$171 Roundtrip, found 9 hours ago
$171
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Mar 28 from John Glenn Columbus Intl. to O'Hare Intl., returning Mon, Mar 30, priced at $171 found 9 hours ago
Mon, Apr 20 - Wed, Apr 22
CMH
John Glenn Columbus Intl.
ORD
O'Hare Intl.
$189 Roundtrip, found 1 day ago
$189
Roundtrip
found 1 day ago
Select United flight, departing Mon, Apr 20 from John Glenn Columbus Intl. to O'Hare Intl., returning Wed, Apr 22, priced at $189 found 1 day ago
Wed, May 20 - Tue, May 26
CMH
John Glenn Columbus Intl.
ORD
O'Hare Intl.
$197 Roundtrip, found 7 hours ago
$197
Roundtrip
found 7 hours ago
Select United flight, departing Wed, May 20 from John Glenn Columbus Intl. to O'Hare Intl., returning Tue, May 26, priced at $197 found 7 hours ago
Thu, May 14 - Mon, May 18
CMH
John Glenn Columbus Intl.
ORD
O'Hare Intl.
$200 Roundtrip, found 9 hours ago
$200
Roundtrip
found 9 hours ago
Select United flight, departing Thu, May 14 from John Glenn Columbus Intl. to O'Hare Intl., returning Mon, May 18, priced at $200 found 9 hours ago
Mon, Apr 20 - Wed, Apr 22
CMH
John Glenn Columbus Intl.
ORD
O'Hare Intl.
$202 Roundtrip, found 1 day ago
$202
Roundtrip
found 1 day ago
Select United flight, departing Mon, Apr 20 from John Glenn Columbus Intl. to O'Hare Intl., returning Wed, Apr 22, priced at $202 found 1 day ago
Thu, May 14 - Mon, May 18
CMH
John Glenn Columbus Intl.
ORD
O'Hare Intl.
$215 Roundtrip, found 9 hours ago
$215
Roundtrip
found 9 hours ago
Select United flight, departing Thu, May 14 from John Glenn Columbus Intl. to O'Hare Intl., returning Mon, May 18, priced at $215 found 9 hours ago
Wed, May 20 - Tue, May 26
CMH
John Glenn Columbus Intl.
ORD
O'Hare Intl.
$231 Roundtrip, found 7 hours ago
$231
Roundtrip
found 7 hours ago
Select United flight, departing Wed, May 20 from John Glenn Columbus Intl. to O'Hare Intl., returning Tue, May 26, priced at $231 found 7 hours ago
Sat, Mar 28 - Mon, Mar 30
CMH
John Glenn Columbus Intl.
ORD
O'Hare Intl.
$231 Roundtrip, found 9 hours ago
$231
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Mar 28 from John Glenn Columbus Intl. to O'Hare Intl., returning Mon, Mar 30, priced at $231 found 9 hours ago

Frequently asked questions

What route does flight number UA3491 take?
UA3491 is used on multiple routes, but the most common is between Chicago, IL Airport (ORD-O'Hare Intl.) and Chattanooga Airport. If on a direct flight, you'll disembark the plane in around 1 hour and 46 minutes. Multi-stop flights can also operate under this number, as can services on other routes.
What terminal does UA3491 fly out of?
Terminal 2 is where you'll likely depart from if you're booked on a flight out of ORD. O'Hare Intl. Airport (ORD) to CHA is the most commonly traveled route for flight number UA3491.
What kind of plane is on flight number UA3491?
If you're considering booking flight UA3491 from ORD to Chattanooga, TN Airport (CHA-Chattanooga Metropolitan), there's an excellent chance you'll be traveling on an Embraer 170. Flight UA3491 serves several routes, but this is the busiest.
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 UA3491 flight with Travelocity, please visit our Customer Service Portal.