United Flight 3459 Deals & Information (2026/2027)

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United Flight 3459 Route Deals From $227

The cheapest prices found with in the last 7 days for return flights were $277 and $227 for one-way flights to Portland Intl. Jetport for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Nov 5 - Sat, Nov 7
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$277 Roundtrip, found 9 hours ago
$277
Roundtrip
found 9 hours ago
Select United flight, departing Thu, Nov 5 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Nov 7, priced at $277 found 9 hours ago
Wed, Dec 16 - Sun, Dec 20
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$282 Roundtrip, found 5 days ago
$282
Roundtrip
found 5 days ago
Select United flight, departing Wed, Dec 16 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sun, Dec 20, priced at $282 found 5 days ago
Thu, Nov 5 - Sat, Nov 7
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$287 Roundtrip, found 9 hours ago
$287
Roundtrip
found 9 hours ago
Select United flight, departing Thu, Nov 5 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Nov 7, priced at $287 found 9 hours ago
Thu, Nov 5 - Sat, Nov 7
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$297 Roundtrip, found 9 hours ago
$297
Roundtrip
found 9 hours ago
Select United flight, departing Thu, Nov 5 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Nov 7, priced at $297 found 9 hours ago
Thu, Oct 22 - Thu, Oct 29
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$297 Roundtrip, found 2 days ago
$297
Roundtrip
found 2 days ago
Select United flight, departing Thu, Oct 22 from Washington Dulles Intl. to Portland Intl. Jetport, returning Thu, Oct 29, priced at $297 found 2 days ago
Fri, Nov 6 - Sun, Nov 8
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$298 Roundtrip, found 9 hours ago
$298
Roundtrip
found 9 hours ago
Select United flight, departing Fri, Nov 6 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sun, Nov 8, priced at $298 found 9 hours ago
Thu, Oct 29 - Fri, Nov 6
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$303 Roundtrip, found 6 days ago
$303
Roundtrip
found 6 days ago
Select United flight, departing Thu, Oct 29 from Washington Dulles Intl. to Portland Intl. Jetport, returning Fri, Nov 6, priced at $303 found 6 days ago
Thu, Nov 5 - Sat, Nov 7
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$306 Roundtrip, found 9 hours ago
$306
Roundtrip
found 9 hours ago
Select United flight, departing Thu, Nov 5 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Nov 7, priced at $306 found 9 hours ago
Wed, Dec 16 - Sun, Dec 20
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$308 Roundtrip, found 5 days ago
$308
Roundtrip
found 5 days ago
Select United flight, departing Wed, Dec 16 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sun, Dec 20, priced at $308 found 5 days ago
Wed, Dec 16 - Sun, Dec 20
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$310 Roundtrip, found 5 days ago
$310
Roundtrip
found 5 days ago
Select United flight, departing Wed, Dec 16 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sun, Dec 20, priced at $310 found 5 days ago

Frequently asked questions

What route does flight number UA3459 take?
UA3459 flies directly between New York, NY Airport (LGA-LaGuardia) and O'Hare Airport in around 2 hours and 38 minutes. It can be used on other routes though, some of which could be multi-stop trips. Keep an eye out for this when booking your seat to avoid any mix-ups.
What terminal does UA3459 fly out of?
If you're jetting off from LGA, you'll likely board the plane from Terminal B. The most frequented route for UA3459 is LGA to ORD, which is a direct flight.
What kind of plane is on flight number UA3459?
If you've booked a seat on flight UA3459 from New York, NY Airport (LGA-LaGuardia) to Chicago, IL Airport (ORD-O'Hare Intl.), you're likely to be heading off on the Embraer 175. This flight number serves more than one route, but this is the most common 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 UA3459 flight with Travelocity, please visit our Customer Service Portal.