United Flight 4550 Deals & Information (2026/2027)

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United Flight 4550 Route Deals From $269

The cheapest prices found with in the last 7 days for return flights were $299 and $269 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Nov 23 - Fri, Nov 27
DAY
James M. Cox Dayton Intl.
IAD
Washington Dulles Intl.
$299 Roundtrip, found 1 day ago
$299
Roundtrip
found 1 day ago
Select United flight, departing Mon, Nov 23 from James M. Cox Dayton Intl. to Washington Dulles Intl., returning Fri, Nov 27, priced at $299 found 1 day ago
Thu, Oct 8 - Mon, Oct 12
DAY
James M. Cox Dayton Intl.
IAD
Washington Dulles Intl.
$303 Roundtrip, found 4 days ago
$303
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 8 from James M. Cox Dayton Intl. to Washington Dulles Intl., returning Mon, Oct 12, priced at $303 found 4 days ago
Tue, Nov 24 - Sat, Nov 28
DAY
James M. Cox Dayton Intl.
IAD
Washington Dulles Intl.
$309 Roundtrip, found 1 day ago
$309
Roundtrip
found 1 day ago
Select United flight, departing Tue, Nov 24 from James M. Cox Dayton Intl. to Washington Dulles Intl., returning Sat, Nov 28, priced at $309 found 1 day ago
Tue, Nov 24 - Sat, Nov 28
DAY
James M. Cox Dayton Intl.
IAD
Washington Dulles Intl.
$314 Roundtrip, found 1 day ago
$314
Roundtrip
found 1 day ago
Select United flight, departing Tue, Nov 24 from James M. Cox Dayton Intl. to Washington Dulles Intl., returning Sat, Nov 28, priced at $314 found 1 day ago
Thu, Oct 8 - Sun, Oct 11
DAY
James M. Cox Dayton Intl.
IAD
Washington Dulles Intl.
$319 Roundtrip, found 4 hours ago
$319
Roundtrip
found 4 hours ago
Select United flight, departing Thu, Oct 8 from James M. Cox Dayton Intl. to Washington Dulles Intl., returning Sun, Oct 11, priced at $319 found 4 hours ago
Tue, Nov 24 - Mon, Nov 30
DAY
James M. Cox Dayton Intl.
IAD
Washington Dulles Intl.
$326 Roundtrip, found 4 days ago
$326
Roundtrip
found 4 days ago
Select United flight, departing Tue, Nov 24 from James M. Cox Dayton Intl. to Washington Dulles Intl., returning Mon, Nov 30, priced at $326 found 4 days ago
Fri, Oct 9 - Mon, Oct 12
DAY
James M. Cox Dayton Intl.
IAD
Washington Dulles Intl.
$331 Roundtrip, found 4 days ago
$331
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 9 from James M. Cox Dayton Intl. to Washington Dulles Intl., returning Mon, Oct 12, priced at $331 found 4 days ago
Thu, Oct 8 - Mon, Oct 12
DAY
James M. Cox Dayton Intl.
IAD
Washington Dulles Intl.
$336 Roundtrip, found 4 days ago
$336
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 8 from James M. Cox Dayton Intl. to Washington Dulles Intl., returning Mon, Oct 12, priced at $336 found 4 days ago
Fri, Oct 9 - Mon, Oct 12
DAY
James M. Cox Dayton Intl.
IAD
Washington Dulles Intl.
$346 Roundtrip, found 4 days ago
$346
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 9 from James M. Cox Dayton Intl. to Washington Dulles Intl., returning Mon, Oct 12, priced at $346 found 4 days ago
Thu, Oct 8 - Mon, Oct 12
DAY
James M. Cox Dayton Intl.
IAD
Washington Dulles Intl.
$351 Roundtrip, found 4 days ago
$351
Roundtrip
found 4 days ago
Select United flight, departing Thu, Oct 8 from James M. Cox Dayton Intl. to Washington Dulles Intl., returning Mon, Oct 12, priced at $351 found 4 days ago

Frequently asked questions

What route does flight number UA4550 take?
UA4550 takes multiple routes. The most frequently flown is between Hilton Head Airport and Pittsburgh Airport, which is a direct flight. This flight usually takes 1 hour and 56 minutes. However, you might find other flights with this number that are multi-stop.
What kind of plane is on flight number UA4550?
If you have a seat on flight UA4550 from Hilton Head Airport to Pittsburgh Airport, you'll likely be heading off on the Canadair (Bombardier) Regional Jet 550. Flight UA4550 serves several routes, but this is the most popular one.
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 UA4550 flight with Travelocity, please visit our Customer Service Portal.