United Flight UA4550 Deals & Information (2025/2026)

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United Flight 4550 Route Deals From $214

The cheapest prices found with in the last 7 days for return flights were $189 and $214 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 24 - Mon, Oct 27
BTV
Burlington Intl.
IAD
Washington Dulles Intl.
$189 Roundtrip, found 6 hours ago
$189
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Oct 24 from Burlington Intl. to Washington Dulles Intl., returning Mon, Oct 27, priced at $189 found 6 hours ago
Fri, Oct 24 - Mon, Oct 27
BTV
Burlington Intl.
IAD
Washington Dulles Intl.
$193 Roundtrip, found 6 hours ago
$193
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Oct 24 from Burlington Intl. to Washington Dulles Intl., returning Mon, Oct 27, priced at $193 found 6 hours ago
Wed, Jul 30 - Tue, Aug 5
BTV
Burlington Intl.
IAD
Washington Dulles Intl.
$198 Roundtrip, found 1 hour ago
$198
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Jul 30 from Burlington Intl. to Washington Dulles Intl., returning Tue, Aug 5, priced at $198 found 1 hour ago
Fri, Oct 24 - Mon, Oct 27
BTV
Burlington Intl.
IAD
Washington Dulles Intl.
$199 Roundtrip, found 6 hours ago
$199
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Oct 24 from Burlington Intl. to Washington Dulles Intl., returning Mon, Oct 27, priced at $199 found 6 hours ago
Wed, Jul 30 - Tue, Aug 5
BTV
Burlington Intl.
IAD
Washington Dulles Intl.
$202 Roundtrip, found 1 hour ago
$202
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Jul 30 from Burlington Intl. to Washington Dulles Intl., returning Tue, Aug 5, priced at $202 found 1 hour ago
Fri, Oct 24 - Wed, Oct 29
BTV
Burlington Intl.
IAD
Washington Dulles Intl.
$204 Roundtrip, found 1 day ago
$204
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 24 from Burlington Intl. to Washington Dulles Intl., returning Wed, Oct 29, priced at $204 found 1 day ago
Wed, Jul 30 - Tue, Aug 5
BTV
Burlington Intl.
IAD
Washington Dulles Intl.
$208 Roundtrip, found 1 hour ago
$208
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Jul 30 from Burlington Intl. to Washington Dulles Intl., returning Tue, Aug 5, priced at $208 found 1 hour ago
Fri, Oct 24 - Mon, Oct 27
BTV
Burlington Intl.
IAD
Washington Dulles Intl.
$208 Roundtrip, found 6 hours ago
$208
Roundtrip
found 6 hours ago
Select United flight, departing Fri, Oct 24 from Burlington Intl. to Washington Dulles Intl., returning Mon, Oct 27, priced at $208 found 6 hours ago
Thu, Jul 3 - Sat, Jul 5
BTV
Burlington Intl.
IAD
Washington Dulles Intl.
$209 Roundtrip, found 4 days ago
$209
Roundtrip
found 4 days ago
Select United flight, departing Thu, Jul 3 from Burlington Intl. to Washington Dulles Intl., returning Sat, Jul 5, priced at $209 found 4 days ago
Wed, Jul 30 - Tue, Aug 5
BTV
Burlington Intl.
IAD
Washington Dulles Intl.
$212 Roundtrip, found 1 hour ago
$212
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Jul 30 from Burlington Intl. to Washington Dulles Intl., returning Tue, Aug 5, priced at $212 found 1 hour 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.