United Flight 4531 Deals & Information (2026/2027)

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United Flight 4531 Route Deals From $182

The cheapest prices found with in the last 7 days for return flights were $209 and $182 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 17 - Sat, Oct 24
XNA
Northwest Arkansas Regional
ORD
O'Hare Intl.
$209 Roundtrip, found 19 hours ago
$209
Roundtrip
found 19 hours ago
Select United flight, departing Sat, Oct 17 from Northwest Arkansas Regional to O'Hare Intl., returning Sat, Oct 24, priced at $209 found 19 hours ago
Wed, Mar 4 - Sun, Mar 8
XNA
Northwest Arkansas Regional
ORD
O'Hare Intl.
$216 Roundtrip, found 2 hours ago
$216
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Mar 4 from Northwest Arkansas Regional to O'Hare Intl., returning Sun, Mar 8, priced at $216 found 2 hours ago
Sat, May 9 - Sun, May 24
XNA
Northwest Arkansas Regional
ORD
O'Hare Intl.
$234 Roundtrip, found 1 day ago
$234
Roundtrip
found 1 day ago
Select United flight, departing Sat, May 9 from Northwest Arkansas Regional to O'Hare Intl., returning Sun, May 24, priced at $234 found 1 day ago
Sat, May 9 - Sat, May 23
XNA
Northwest Arkansas Regional
ORD
O'Hare Intl.
$246 Roundtrip, found 6 days ago
$246
Roundtrip
found 6 days ago
Select United flight, departing Sat, May 9 from Northwest Arkansas Regional to O'Hare Intl., returning Sat, May 23, priced at $246 found 6 days ago
Fri, Apr 10 - Sun, Apr 12
XNA
Northwest Arkansas Regional
ORD
O'Hare Intl.
$248 Roundtrip, found 3 days ago
$248
Roundtrip
found 3 days ago
Select United flight, departing Fri, Apr 10 from Northwest Arkansas Regional to O'Hare Intl., returning Sun, Apr 12, priced at $248 found 3 days ago
Sat, Feb 28 - Tue, Mar 3
XNA
Northwest Arkansas Regional
ORD
O'Hare Intl.
$254 Roundtrip, found 5 days ago
$254
Roundtrip
found 5 days ago
Select United flight, departing Sat, Feb 28 from Northwest Arkansas Regional to O'Hare Intl., returning Tue, Mar 3, priced at $254 found 5 days ago
Sat, Feb 28 - Tue, Mar 3
XNA
Northwest Arkansas Regional
ORD
O'Hare Intl.
$258 Roundtrip, found 5 days ago
$258
Roundtrip
found 5 days ago
Select United flight, departing Sat, Feb 28 from Northwest Arkansas Regional to O'Hare Intl., returning Tue, Mar 3, priced at $258 found 5 days ago
Sat, May 9 - Sun, May 24
XNA
Northwest Arkansas Regional
ORD
O'Hare Intl.
$264 Roundtrip, found 1 day ago
$264
Roundtrip
found 1 day ago
Select United flight, departing Sat, May 9 from Northwest Arkansas Regional to O'Hare Intl., returning Sun, May 24, priced at $264 found 1 day ago
Fri, Apr 10 - Sun, Apr 12
XNA
Northwest Arkansas Regional
ORD
O'Hare Intl.
$273 Roundtrip, found 3 days ago
$273
Roundtrip
found 3 days ago
Select United flight, departing Fri, Apr 10 from Northwest Arkansas Regional to O'Hare Intl., returning Sun, Apr 12, priced at $273 found 3 days ago
Sun, May 10 - Sun, May 24
XNA
Northwest Arkansas Regional
ORD
O'Hare Intl.
$289 Roundtrip, found 3 hours ago
$289
Roundtrip
found 3 hours ago
Select United flight, departing Sun, May 10 from Northwest Arkansas Regional to O'Hare Intl., returning Sun, May 24, priced at $289 found 3 hours ago

Frequently asked questions

What route does flight number UA4531 take?
UA4531 serves multiple routes, but the most common is between Pittsburgh, PA Airport (PIT-Pittsburgh Intl.) and Chicago, IL Airport (ORD-O'Hare Intl.). If your flight is direct, you'll step off the plane in roughly 1 hour and 36 minutes. Multi-stop flights can also operate under the same number, as can services on other routes.
What kind of plane is on flight number UA4531?
Chances are you'll be taking off on a Canadair (Bombardier) Regional Jet 550 if you're jetting from Pittsburgh Airport to O'Hare Airport, one of a few routes used for flight UA4531.
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 UA4531 flight with Travelocity, please visit our Customer Service Portal.