United Flight 2104 Deals & Information (2026/2027)

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United Flight 2104 Route Deals From $122

The cheapest prices found with in the last 7 days for return flights were $197 and $122 for one-way flights to Portland Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, May 2 - Tue, May 5
EWR
Newark Liberty Intl. Airport
PDX
Portland Intl.
$197 Roundtrip, found 5 days ago
$197
Roundtrip
found 5 days ago
Select United flight, departing Sat, May 2 from Newark Liberty Intl. Airport to Portland Intl., returning Tue, May 5, priced at $197 found 5 days ago
Sat, Apr 4 - Tue, Apr 7
EWR
Newark Liberty Intl. Airport
PDX
Portland Intl.
$207 Roundtrip, found 2 days ago
$207
Roundtrip
found 2 days ago
Select United flight, departing Sat, Apr 4 from Newark Liberty Intl. Airport to Portland Intl., returning Tue, Apr 7, priced at $207 found 2 days ago
Sat, May 2 - Tue, May 5
EWR
Newark Liberty Intl. Airport
PDX
Portland Intl.
$217 Roundtrip, found 5 days ago
$217
Roundtrip
found 5 days ago
Select United flight, departing Sat, May 2 from Newark Liberty Intl. Airport to Portland Intl., returning Tue, May 5, priced at $217 found 5 days ago
Wed, Apr 15 - Tue, Apr 21
EWR
Newark Liberty Intl. Airport
PDX
Portland Intl.
$222 Roundtrip, found 2 days ago
$222
Roundtrip
found 2 days ago
Select United flight, departing Wed, Apr 15 from Newark Liberty Intl. Airport to Portland Intl., returning Tue, Apr 21, priced at $222 found 2 days ago
Wed, Apr 22 - Tue, Apr 28
EWR
Newark Liberty Intl. Airport
PDX
Portland Intl.
$225 Roundtrip, found 2 days ago
$225
Roundtrip
found 2 days ago
Select United flight, departing Wed, Apr 22 from Newark Liberty Intl. Airport to Portland Intl., returning Tue, Apr 28, priced at $225 found 2 days ago
Sat, Apr 4 - Tue, Apr 7
EWR
Newark Liberty Intl. Airport
PDX
Portland Intl.
$227 Roundtrip, found 2 days ago
$227
Roundtrip
found 2 days ago
Select United flight, departing Sat, Apr 4 from Newark Liberty Intl. Airport to Portland Intl., returning Tue, Apr 7, priced at $227 found 2 days ago
Wed, Apr 22 - Tue, Apr 28
EWR
Newark Liberty Intl. Airport
PDX
Portland Intl.
$235 Roundtrip, found 2 days ago
$235
Roundtrip
found 2 days ago
Select United flight, departing Wed, Apr 22 from Newark Liberty Intl. Airport to Portland Intl., returning Tue, Apr 28, priced at $235 found 2 days ago
Wed, Apr 22 - Mon, Apr 27
EWR
Newark Liberty Intl. Airport
PDX
Portland Intl.
$240 Roundtrip, found 2 days ago
$240
Roundtrip
found 2 days ago
Select United flight, departing Wed, Apr 22 from Newark Liberty Intl. Airport to Portland Intl., returning Mon, Apr 27, priced at $240 found 2 days ago
Wed, Apr 22 - Mon, Apr 27
EWR
Newark Liberty Intl. Airport
PDX
Portland Intl.
$250 Roundtrip, found 2 days ago
$250
Roundtrip
found 2 days ago
Select United flight, departing Wed, Apr 22 from Newark Liberty Intl. Airport to Portland Intl., returning Mon, Apr 27, priced at $250 found 2 days ago
Fri, Apr 3 - Mon, Apr 6
EWR
Newark Liberty Intl. Airport
PDX
Portland Intl.
$256 Roundtrip, found 2 days ago
$256
Roundtrip
found 2 days ago
Select United flight, departing Fri, Apr 3 from Newark Liberty Intl. Airport to Portland Intl., returning Mon, Apr 6, priced at $256 found 2 days ago
Thu, Oct 22 - Fri, Oct 30
EWR
Newark Liberty Intl. Airport
PDX
Portland Intl.
$257 Roundtrip, found 2 days ago
$257
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 22 from Newark Liberty Intl. Airport to Portland Intl., returning Fri, Oct 30, priced at $257 found 2 days ago
Wed, Jul 8 - Sat, Jul 18
EWR
Newark Liberty Intl. Airport
PDX
Portland Intl.
$260 Roundtrip, found 5 days ago
$260
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jul 8 from Newark Liberty Intl. Airport to Portland Intl., returning Sat, Jul 18, priced at $260 found 5 days ago
Wed, Jul 22 - Mon, Jul 27
EWR
Newark Liberty Intl. Airport
PDX
Portland Intl.
$262 Roundtrip, found 2 hours ago
$262
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Jul 22 from Newark Liberty Intl. Airport to Portland Intl., returning Mon, Jul 27, priced at $262 found 2 hours ago
Thu, Oct 22 - Fri, Oct 30
EWR
Newark Liberty Intl. Airport
PDX
Portland Intl.
$267 Roundtrip, found 2 days ago
$267
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 22 from Newark Liberty Intl. Airport to Portland Intl., returning Fri, Oct 30, priced at $267 found 2 days ago
Thu, Sep 24 - Mon, Sep 28
EWR
Newark Liberty Intl. Airport
PDX
Portland Intl.
$277 Roundtrip, found 17 hours ago
$277
Roundtrip
found 17 hours ago
Select United flight, departing Thu, Sep 24 from Newark Liberty Intl. Airport to Portland Intl., returning Mon, Sep 28, priced at $277 found 17 hours ago

Frequently asked questions

What route does flight number UA2104 take?
Flight number UA2104 takes approximately 3 hours and 59 minutes to fly straight from National Airport to DEN. We all know there's magic in the destination, but the journey is always half the fun!
How often is UA2104 on time?
If you're traveling with United Airlines flight number UA2104 between Ronald Reagan Washington National Airport (DCA) and Denver, CO Airport (DEN-Denver Intl.), it's a good thing to know that 85% of these flights reach their destination on time. In the rare event of a delay, you can expect an average wait time of roughly 18 minutes. This service has a 3.5-star rating.
What terminal does UA2104 fly out of?
Flights between Ronald Reagan Washington National Airport (DCA) and DIA airport are served by flight number UA2104, and passengers booked on this route typically take off from Terminal B.
What kind of plane is on flight number UA2104?
The Airbus A319 is the plane that's mostly used for flight UA2104. More often than not, this flight departs from Washington, DC Airport (DCA-Ronald Reagan Washington National) and arrives at Denver Intl. Airport (DEN).
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 UA2104 flight with Travelocity, please visit our Customer Service Portal.