United Flight 4503 Deals & Information (2026/2027)

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United Flight 4503 Route Deals From $204

The cheapest prices found with in the last 7 days for return flights were $295 and $204 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 8 - Sun, Jul 12
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$295 Roundtrip, found 2 days ago
$295
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jul 8 from Richmond Intl. to Washington Dulles Intl., returning Sun, Jul 12, priced at $295 found 2 days ago
Wed, Jul 8 - Sun, Jul 12
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$313 Roundtrip, found 2 days ago
$313
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jul 8 from Richmond Intl. to Washington Dulles Intl., returning Sun, Jul 12, priced at $313 found 2 days ago
Wed, Jul 8 - Sun, Jul 12
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$355 Roundtrip, found 2 days ago
$355
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jul 8 from Richmond Intl. to Washington Dulles Intl., returning Sun, Jul 12, priced at $355 found 2 days ago
Wed, Jul 8 - Sun, Jul 12
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$369 Roundtrip, found 2 days ago
$369
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jul 8 from Richmond Intl. to Washington Dulles Intl., returning Sun, Jul 12, priced at $369 found 2 days ago
Wed, Jul 8 - Sun, Jul 12
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$373 Roundtrip, found 2 days ago
$373
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jul 8 from Richmond Intl. to Washington Dulles Intl., returning Sun, Jul 12, priced at $373 found 2 days ago
Mon, Mar 16 - Wed, Mar 18
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$407 Roundtrip, found 1 day ago
$407
Roundtrip
found 1 day ago
Select United flight, departing Mon, Mar 16 from Richmond Intl. to Washington Dulles Intl., returning Wed, Mar 18, priced at $407 found 1 day ago
Mon, Mar 16 - Wed, Mar 18
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$416 Roundtrip, found 1 day ago
$416
Roundtrip
found 1 day ago
Select United flight, departing Mon, Mar 16 from Richmond Intl. to Washington Dulles Intl., returning Wed, Mar 18, priced at $416 found 1 day ago
Mon, Mar 16 - Wed, Mar 18
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$417 Roundtrip, found 1 day ago
$417
Roundtrip
found 1 day ago
Select United flight, departing Mon, Mar 16 from Richmond Intl. to Washington Dulles Intl., returning Wed, Mar 18, priced at $417 found 1 day 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.