United Flight 3455 Deals & Information (2026/2027)

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United Flight 3455 Route Deals From $147

The cheapest prices found with in the last 7 days for return flights were $249 and $147 for one-way flights to Portland Intl. Jetport for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 19 - Thu, Sep 24
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$249 Roundtrip, found 12 hours ago
$249
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Sep 19 from Washington Dulles Intl. to Portland Intl. Jetport, returning Thu, Sep 24, priced at $249 found 12 hours ago
Fri, May 29 - Sun, May 31
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$255 Roundtrip, found 7 hours ago
$255
Roundtrip
found 7 hours ago
Select United flight, departing Fri, May 29 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sun, May 31, priced at $255 found 7 hours ago
Sat, Sep 19 - Fri, Sep 25
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$259 Roundtrip, found 12 hours ago
$259
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Sep 19 from Washington Dulles Intl. to Portland Intl. Jetport, returning Fri, Sep 25, priced at $259 found 12 hours ago
Sat, Sep 19 - Fri, Sep 25
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$259 Roundtrip, found 12 hours ago
$259
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Sep 19 from Washington Dulles Intl. to Portland Intl. Jetport, returning Fri, Sep 25, priced at $259 found 12 hours ago
Sat, Sep 19 - Fri, Sep 25
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$260 Roundtrip, found 12 hours ago
$260
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Sep 19 from Washington Dulles Intl. to Portland Intl. Jetport, returning Fri, Sep 25, priced at $260 found 12 hours ago
Wed, Sep 16 - Sat, Sep 19
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$261 Roundtrip, found 2 days ago
$261
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 16 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Sep 19, priced at $261 found 2 days ago
Sat, Sep 19 - Fri, Sep 25
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$264 Roundtrip, found 12 hours ago
$264
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Sep 19 from Washington Dulles Intl. to Portland Intl. Jetport, returning Fri, Sep 25, priced at $264 found 12 hours ago
Sat, Jun 6 - Sat, Jun 13
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$265 Roundtrip, found 17 hours ago
$265
Roundtrip
found 17 hours ago
Select United flight, departing Sat, Jun 6 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Jun 13, priced at $265 found 17 hours ago
Wed, Sep 16 - Sat, Sep 19
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$270 Roundtrip, found 2 days ago
$270
Roundtrip
found 2 days ago
Select United flight, departing Wed, Sep 16 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Sep 19, priced at $270 found 2 days ago
Fri, May 29 - Sun, May 31
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$270 Roundtrip, found 7 hours ago
$270
Roundtrip
found 7 hours ago
Select United flight, departing Fri, May 29 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sun, May 31, priced at $270 found 7 hours ago

Frequently asked questions

What route does flight number UA3455 take?
UA3455 flies direct between Metro Airport and Dulles Intl. Airport in 1 hour and 28 minutes. It can be used on other routes though, some of which may be multi-stop trips. Keep an eye out for this when locking in your seat to avoid any confusion.
What terminal does UA3455 fly out of?
You'll most likely board the plane from Terminal N if you're flying out of DTW. Flight number UA3455 serves several different routes, but the direct flight between Detroit, MI Airport (DTW-Detroit Metropolitan Wayne County) and Dulles Intl. Airport is the most frequently traveled.
What kind of plane is on flight number UA3455?
There's a strong chance you'll be aboard the Embraer 175 if you're going from Detroit, MI Airport (DTW-Detroit Metropolitan Wayne County) to IAD, the most popular route for flight number UA3455.
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 UA3455 flight with Travelocity, please visit our Customer Service Portal.