United Flight 4552 Deals & Information (2026/2027)

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United Flight 4552 Route Deals From $174

The cheapest prices found with in the last 7 days for return flights were $206 and $174 for one-way flights to Portland Intl. Jetport for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jan 23 - Sat, Jan 24
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$206 Roundtrip, found 4 days ago
$206
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jan 23 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Jan 24, priced at $206 found 4 days ago
Fri, Jan 23 - Sat, Jan 24
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$216 Roundtrip, found 4 days ago
$216
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jan 23 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Jan 24, priced at $216 found 4 days ago
Tue, Jan 20 - Sat, Jan 24
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$268 Roundtrip, found 2 days ago
$268
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jan 20 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Jan 24, priced at $268 found 2 days ago

Frequently asked questions

What route does flight number UA4552 take?
UA4552 flies direct between Nantucket, MA Airport (ACK-Nantucket Memorial) and Washington, DC Airport (IAD-Washington Dulles Intl.) in around 1 hour and 53 minutes. It can take other routes though, some of which could be multi-stop journeys. Keep this in mind when locking in your seat to avoid any mix-ups.
What kind of plane is on flight number UA4552?
It's likely you'll be on a Canadair (Bombardier) Regional Jet 550 if you've booked a seat from ACK to Washington Dulles Intl. Airport (IAD), one of a few routes used for flight number UA4552.
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 UA4552 flight with Travelocity, please visit our Customer Service Portal.