United Flight 4527 Deals & Information (2026/2027)

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United Flight 4527 Route Deals From $131

The cheapest prices found with in the last 7 days for return flights were $249 and $131 for one-way flights to Lambert-St. Louis Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Feb 21 - Sat, Feb 28
IAD
Washington Dulles Intl.
STL
Lambert-St. Louis Intl.
$249 Roundtrip, found 4 days ago
$249
Roundtrip
found 4 days ago
Select United flight, departing Sat, Feb 21 from Washington Dulles Intl. to Lambert-St. Louis Intl., returning Sat, Feb 28, priced at $249 found 4 days ago
Tue, Feb 17 - Tue, Feb 24
IAD
Washington Dulles Intl.
STL
Lambert-St. Louis Intl.
$251 Roundtrip, found 18 hours ago
$251
Roundtrip
found 18 hours ago
Select United flight, departing Tue, Feb 17 from Washington Dulles Intl. to Lambert-St. Louis Intl., returning Tue, Feb 24, priced at $251 found 18 hours ago
Tue, Feb 17 - Tue, Feb 24
IAD
Washington Dulles Intl.
STL
Lambert-St. Louis Intl.
$273 Roundtrip, found 18 hours ago
$273
Roundtrip
found 18 hours ago
Select United flight, departing Tue, Feb 17 from Washington Dulles Intl. to Lambert-St. Louis Intl., returning Tue, Feb 24, priced at $273 found 18 hours ago
Tue, Feb 17 - Tue, Feb 24
IAD
Washington Dulles Intl.
STL
Lambert-St. Louis Intl.
$337 Roundtrip, found 18 hours ago
$337
Roundtrip
found 18 hours ago
Select United flight, departing Tue, Feb 17 from Washington Dulles Intl. to Lambert-St. Louis Intl., returning Tue, Feb 24, priced at $337 found 18 hours ago

Frequently asked questions

What route does flight number UA4527 take?
UA4527 flies directly from Harrisburg Intl. Airport (MDT) to ORD in about 2 hours and 7 minutes. It can sometimes be used on other routes though, some of which could be multi-stop flights. Keep an eye out for this when booking your airfare to avoid any mix-ups.
What kind of plane is on flight number UA4527?
There's a good chance you'll be on the Canadair (Bombardier) Regional Jet 550 if you're flying from Harrisburg Intl. Airport (MDT) to Chicago, IL Airport (ORD-O'Hare Intl.), a common route for flight number UA4527.
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 UA4527 flight with Travelocity, please visit our Customer Service Portal.