United Flight 4503 Deals & Information (2026/2027)

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United Flight 4503 Route Deals From $208

The cheapest prices found with in the last 7 days for return flights were $407 and $208 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 30 - Wed, Jul 1
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$407 Roundtrip, found 1 day ago
$407
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 30 from Richmond Intl. to Washington Dulles Intl., returning Wed, Jul 1, priced at $407 found 1 day ago
Tue, Nov 3 - Thu, Nov 5
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$409 Roundtrip, found 2 days ago
$409
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 3 from Richmond Intl. to Washington Dulles Intl., returning Thu, Nov 5, priced at $409 found 2 days ago
Tue, Jun 16 - Wed, Jun 17
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$420 Roundtrip, found 1 day ago
$420
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 16 from Richmond Intl. to Washington Dulles Intl., returning Wed, Jun 17, priced at $420 found 1 day ago
Tue, Jun 30 - Wed, Jul 1
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$467 Roundtrip, found 1 day ago
$467
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 30 from Richmond Intl. to Washington Dulles Intl., returning Wed, Jul 1, priced at $467 found 1 day ago
Tue, Nov 3 - Thu, Nov 5
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$470 Roundtrip, found 2 days ago
$470
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 3 from Richmond Intl. to Washington Dulles Intl., returning Thu, Nov 5, priced at $470 found 2 days ago
Tue, Jun 30 - Wed, Jul 1
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$496 Roundtrip, found 1 day ago
$496
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 30 from Richmond Intl. to Washington Dulles Intl., returning Wed, Jul 1, priced at $496 found 1 day ago
Tue, Jun 16 - Wed, Jun 17
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$511 Roundtrip, found 1 day ago
$511
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 16 from Richmond Intl. to Washington Dulles Intl., returning Wed, Jun 17, priced at $511 found 1 day ago
Tue, Jun 30 - Wed, Jul 1
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$526 Roundtrip, found 1 day ago
$526
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 30 from Richmond Intl. to Washington Dulles Intl., returning Wed, Jul 1, priced at $526 found 1 day ago
Tue, Nov 3 - Thu, Nov 5
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$542 Roundtrip, found 2 days ago
$542
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 3 from Richmond Intl. to Washington Dulles Intl., returning Thu, Nov 5, priced at $542 found 2 days ago

Frequently asked questions

What route does flight number UA4503 take?
UA4503 takes approximately 1 hour and 40 minutes to fly straight from O'Hare Intl. Airport (ORD) to Knoxville Airport. We all know there's magic in the destination, but the journey is always half the fun!
What terminal does UA4503 fly out of?
Flight number UA4503 runs between ORD and McGhee Tyson Airport (TYS), and travelers taking this flight usually depart from Terminal 1.
What kind of plane is on flight number UA4503?
You'll most likely find yourself jumping on board the Canadair (Bombardier) Regional Jet 550 if you're booked on flight number UA4503. This flight usually departs from O'Hare Intl. Airport (ORD) and lands at Knoxville Airport.
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 UA4503 flight with Travelocity, please visit our Customer Service Portal.