United Flight 4574 Deals & Information (2026/2027)

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United Flight 4574 Route Deals From $234

The cheapest prices found with in the last 7 days for return flights were $239 and $234 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jun 13 - Mon, Jun 15
PHL
Philadelphia Intl.
IAD
Washington Dulles Intl.
$239 Roundtrip, found 5 days ago
$239
Roundtrip
found 5 days ago
Select United flight, departing Sat, Jun 13 from Philadelphia Intl. to Washington Dulles Intl., returning Mon, Jun 15, priced at $239 found 5 days ago
Fri, Jun 12 - Mon, Jun 15
PHL
Philadelphia Intl.
IAD
Washington Dulles Intl.
$245 Roundtrip, found 3 days ago
$245
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jun 12 from Philadelphia Intl. to Washington Dulles Intl., returning Mon, Jun 15, priced at $245 found 3 days ago
Fri, May 15 - Mon, May 18
PHL
Philadelphia Intl.
IAD
Washington Dulles Intl.
$258 Roundtrip, found 4 days ago
$258
Roundtrip
found 4 days ago
Select United flight, departing Fri, May 15 from Philadelphia Intl. to Washington Dulles Intl., returning Mon, May 18, priced at $258 found 4 days ago
Sat, Jun 13 - Mon, Jun 15
PHL
Philadelphia Intl.
IAD
Washington Dulles Intl.
$309 Roundtrip, found 5 days ago
$309
Roundtrip
found 5 days ago
Select United flight, departing Sat, Jun 13 from Philadelphia Intl. to Washington Dulles Intl., returning Mon, Jun 15, priced at $309 found 5 days ago
Thu, May 14 - Sun, May 17
PHL
Philadelphia Intl.
IAD
Washington Dulles Intl.
$312 Roundtrip, found 1 day ago
$312
Roundtrip
found 1 day ago
Select United flight, departing Thu, May 14 from Philadelphia Intl. to Washington Dulles Intl., returning Sun, May 17, priced at $312 found 1 day ago
Fri, Jun 12 - Mon, Jun 15
PHL
Philadelphia Intl.
IAD
Washington Dulles Intl.
$316 Roundtrip, found 3 days ago
$316
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jun 12 from Philadelphia Intl. to Washington Dulles Intl., returning Mon, Jun 15, priced at $316 found 3 days ago
Fri, Jun 12 - Mon, Jun 15
PHL
Philadelphia Intl.
IAD
Washington Dulles Intl.
$323 Roundtrip, found 3 days ago
$323
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jun 12 from Philadelphia Intl. to Washington Dulles Intl., returning Mon, Jun 15, priced at $323 found 3 days ago
Fri, May 15 - Mon, May 18
PHL
Philadelphia Intl.
IAD
Washington Dulles Intl.
$330 Roundtrip, found 4 days ago
$330
Roundtrip
found 4 days ago
Select United flight, departing Fri, May 15 from Philadelphia Intl. to Washington Dulles Intl., returning Mon, May 18, priced at $330 found 4 days ago
Thu, May 14 - Sun, May 17
PHL
Philadelphia Intl.
IAD
Washington Dulles Intl.
$333 Roundtrip, found 1 day ago
$333
Roundtrip
found 1 day ago
Select United flight, departing Thu, May 14 from Philadelphia Intl. to Washington Dulles Intl., returning Sun, May 17, priced at $333 found 1 day ago
Fri, May 15 - Mon, May 18
PHL
Philadelphia Intl.
IAD
Washington Dulles Intl.
$337 Roundtrip, found 4 days ago
$337
Roundtrip
found 4 days ago
Select United flight, departing Fri, May 15 from Philadelphia Intl. to Washington Dulles Intl., returning Mon, May 18, priced at $337 found 4 days ago

Frequently asked questions

What route does flight number UA4574 take?
Flight number UA4574 operates non-stop from Chicago, IL Airport (ORD-O'Hare Intl.) to Tulsa Intl. Airport (TUL). During this trip, expect to be in the air for about 2 hours and 2 minutes. Consider booking ahead to get your favorite seat.
What terminal does UA4574 fly out of?
Flight number UA4574 runs between O'Hare Airport and Tulsa, OK Airport (TUL-Tulsa Intl.), and travelers with a seat on this flight usually depart from Terminal 1.
What kind of plane is on flight number UA4574?
Chances are you'll be hopping on board the Canadair (Bombardier) Regional Jet 550 if you're booked on flight number UA4574. This flight nearly always leaves from ORD and touches down at Tulsa, OK Airport (TUL-Tulsa Intl.).
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 UA4574 flight with Travelocity, please visit our Customer Service Portal.