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 $182 and $208 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Mar 20 - Mon, Mar 23
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$182 Roundtrip, found 1 day ago
$182
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 20 from Richmond Intl. to Washington Dulles Intl., returning Mon, Mar 23, priced at $182 found 1 day ago
Fri, Mar 20 - Mon, Mar 23
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$184 Roundtrip, found 1 day ago
$184
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 20 from Richmond Intl. to Washington Dulles Intl., returning Mon, Mar 23, priced at $184 found 1 day ago
Fri, Mar 20 - Mon, Mar 23
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$217 Roundtrip, found 1 day ago
$217
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 20 from Richmond Intl. to Washington Dulles Intl., returning Mon, Mar 23, priced at $217 found 1 day ago
Fri, Mar 20 - Mon, Mar 23
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$231 Roundtrip, found 1 day ago
$231
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 20 from Richmond Intl. to Washington Dulles Intl., returning Mon, Mar 23, priced at $231 found 1 day ago
Fri, Mar 20 - Mon, Mar 23
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$233 Roundtrip, found 1 day ago
$233
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 20 from Richmond Intl. to Washington Dulles Intl., returning Mon, Mar 23, priced at $233 found 1 day ago
Fri, Mar 20 - Mon, Mar 23
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$242 Roundtrip, found 1 day ago
$242
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 20 from Richmond Intl. to Washington Dulles Intl., returning Mon, Mar 23, priced at $242 found 1 day ago
Fri, Mar 20 - Mon, Mar 23
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$245 Roundtrip, found 1 day ago
$245
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 20 from Richmond Intl. to Washington Dulles Intl., returning Mon, Mar 23, priced at $245 found 1 day ago
Fri, Mar 20 - Mon, Mar 23
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$278 Roundtrip, found 1 day ago
$278
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 20 from Richmond Intl. to Washington Dulles Intl., returning Mon, Mar 23, priced at $278 found 1 day ago
Fri, Mar 20 - Mon, Mar 23
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$291 Roundtrip, found 1 day ago
$291
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 20 from Richmond Intl. to Washington Dulles Intl., returning Mon, Mar 23, priced at $291 found 1 day ago
Fri, Mar 20 - Mon, Mar 23
RIC
Richmond Intl.
IAD
Washington Dulles Intl.
$295 Roundtrip, found 1 day ago
$295
Roundtrip
found 1 day ago
Select United flight, departing Fri, Mar 20 from Richmond Intl. to Washington Dulles Intl., returning Mon, Mar 23, priced at $295 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.