United Flight 4537 Deals & Information (2026/2027)

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United Flight 4537 Route Deals From $172

The cheapest prices found with in the last 7 days for return flights were $176 and $172 for one-way flights to Cincinnati - Northern Kentucky Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Feb 12 - Sat, Feb 14
IAD
Washington Dulles Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$176 Roundtrip, found 1 day ago
$176
Roundtrip
found 1 day ago
Select United flight, departing Thu, Feb 12 from Washington Dulles Intl. to Cincinnati - Northern Kentucky Intl., returning Sat, Feb 14, priced at $176 found 1 day ago
Thu, Feb 12 - Sun, Feb 15
IAD
Washington Dulles Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$185 Roundtrip, found 1 day ago
$185
Roundtrip
found 1 day ago
Select United flight, departing Thu, Feb 12 from Washington Dulles Intl. to Cincinnati - Northern Kentucky Intl., returning Sun, Feb 15, priced at $185 found 1 day ago
Fri, Apr 3 - Tue, Apr 7
IAD
Washington Dulles Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$189 Roundtrip, found 5 days ago
$189
Roundtrip
found 5 days ago
Select United flight, departing Fri, Apr 3 from Washington Dulles Intl. to Cincinnati - Northern Kentucky Intl., returning Tue, Apr 7, priced at $189 found 5 days ago
Fri, Apr 3 - Tue, Apr 7
IAD
Washington Dulles Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$232 Roundtrip, found 5 days ago
$232
Roundtrip
found 5 days ago
Select United flight, departing Fri, Apr 3 from Washington Dulles Intl. to Cincinnati - Northern Kentucky Intl., returning Tue, Apr 7, priced at $232 found 5 days ago
Thu, Feb 12 - Sat, Feb 14
IAD
Washington Dulles Intl.
CVG
Cincinnati - Northern Kentucky Intl.
$237 Roundtrip, found 1 day ago
$237
Roundtrip
found 1 day ago
Select United flight, departing Thu, Feb 12 from Washington Dulles Intl. to Cincinnati - Northern Kentucky Intl., returning Sat, Feb 14, priced at $237 found 1 day ago

Frequently asked questions

What route does flight number UA4537 take?
UA4537 takes numerous routes. The most frequently flown is between O'Hare Airport and Piedmont Triad Intl. Airport (GSO), which flies direct. This service usually takes 1 hour and 48 minutes. That said, you might find other flights with the same number that have one or more stops.
What terminal does UA4537 fly out of?
You'll likely depart from Terminal 1 if you're setting off from O'Hare Airport. Flight number UA4537 serves a variety of routes, but the direct flight between ORD and GSO is the most frequently traveled one.
What kind of plane is on flight number UA4537?
There's every chance you'll be on board a Canadair (Bombardier) Regional Jet 550 if you're flying from Chicago, IL Airport (ORD-O'Hare Intl.) to PTI Airport, the most popular route for flight number UA4537.
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 UA4537 flight with Travelocity, please visit our Customer Service Portal.