United Flight 3459 Deals & Information (2026/2027)

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United Flight 3459 Route Deals From $131

The cheapest prices found with in the last 7 days for return flights were $249 and $131 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 19 - Mon, Aug 24
PWM
Portland Intl. Jetport
IAD
Washington Dulles Intl.
$249 Roundtrip, found 10 hours ago
$249
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Aug 19 from Portland Intl. Jetport to Washington Dulles Intl., returning Mon, Aug 24, priced at $249 found 10 hours ago
Fri, Jul 10 - Sat, Jul 11
PWM
Portland Intl. Jetport
IAD
Washington Dulles Intl.
$255 Roundtrip, found 1 day ago
$255
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 10 from Portland Intl. Jetport to Washington Dulles Intl., returning Sat, Jul 11, priced at $255 found 1 day ago
Wed, Aug 19 - Mon, Aug 24
PWM
Portland Intl. Jetport
IAD
Washington Dulles Intl.
$259 Roundtrip, found 10 hours ago
$259
Roundtrip
found 10 hours ago
Select United flight, departing Wed, Aug 19 from Portland Intl. Jetport to Washington Dulles Intl., returning Mon, Aug 24, priced at $259 found 10 hours ago
Fri, Jul 10 - Sat, Jul 11
PWM
Portland Intl. Jetport
IAD
Washington Dulles Intl.
$265 Roundtrip, found 1 day ago
$265
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 10 from Portland Intl. Jetport to Washington Dulles Intl., returning Sat, Jul 11, priced at $265 found 1 day ago
Thu, Oct 15 - Fri, Oct 23
PWM
Portland Intl. Jetport
IAD
Washington Dulles Intl.
$269 Roundtrip, found 6 days ago
$269
Roundtrip
found 6 days ago
Select United flight, departing Thu, Oct 15 from Portland Intl. Jetport to Washington Dulles Intl., returning Fri, Oct 23, priced at $269 found 6 days ago
Fri, Jul 10 - Sat, Jul 11
PWM
Portland Intl. Jetport
IAD
Washington Dulles Intl.
$270 Roundtrip, found 1 day ago
$270
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 10 from Portland Intl. Jetport to Washington Dulles Intl., returning Sat, Jul 11, priced at $270 found 1 day ago
Thu, Oct 15 - Fri, Oct 23
PWM
Portland Intl. Jetport
IAD
Washington Dulles Intl.
$275 Roundtrip, found 6 days ago
$275
Roundtrip
found 6 days ago
Select United flight, departing Thu, Oct 15 from Portland Intl. Jetport to Washington Dulles Intl., returning Fri, Oct 23, priced at $275 found 6 days ago
Fri, Jul 10 - Sat, Jul 11
PWM
Portland Intl. Jetport
IAD
Washington Dulles Intl.
$275 Roundtrip, found 1 day ago
$275
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jul 10 from Portland Intl. Jetport to Washington Dulles Intl., returning Sat, Jul 11, priced at $275 found 1 day ago
Tue, Oct 20 - Wed, Oct 21
PWM
Portland Intl. Jetport
IAD
Washington Dulles Intl.
$277 Roundtrip, found 22 hours ago
$277
Roundtrip
found 22 hours ago
Select United flight, departing Tue, Oct 20 from Portland Intl. Jetport to Washington Dulles Intl., returning Wed, Oct 21, priced at $277 found 22 hours ago
Thu, Oct 15 - Fri, Oct 23
PWM
Portland Intl. Jetport
IAD
Washington Dulles Intl.
$279 Roundtrip, found 6 days ago
$279
Roundtrip
found 6 days ago
Select United flight, departing Thu, Oct 15 from Portland Intl. Jetport to Washington Dulles Intl., returning Fri, Oct 23, priced at $279 found 6 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.