United Flight 3459 Deals & Information (2026/2027)

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United Flight 3459 Route Deals From $140

The cheapest prices found with in the last 7 days for return flights were $263 and $140 for one-way flights to Portland Intl. Jetport for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 15 - Wed, Oct 21
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$263 Roundtrip, found 11 hours ago
$263
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Oct 15 from Washington Dulles Intl. to Portland Intl. Jetport, returning Wed, Oct 21, priced at $263 found 11 hours ago
Mon, Nov 16 - Mon, Nov 23
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$269 Roundtrip, found 2 days ago
$269
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 16 from Washington Dulles Intl. to Portland Intl. Jetport, returning Mon, Nov 23, priced at $269 found 2 days ago
Sun, Sep 27 - Sat, Oct 3
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$274 Roundtrip, found 6 days ago
$274
Roundtrip
found 6 days ago
Select United flight, departing Sun, Sep 27 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Oct 3, priced at $274 found 6 days ago
Mon, Nov 16 - Mon, Nov 23
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$276 Roundtrip, found 2 days ago
$276
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 16 from Washington Dulles Intl. to Portland Intl. Jetport, returning Mon, Nov 23, priced at $276 found 2 days ago
Fri, Aug 28 - Fri, Sep 4
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$278 Roundtrip, found 5 days ago
$278
Roundtrip
found 5 days ago
Select United flight, departing Fri, Aug 28 from Washington Dulles Intl. to Portland Intl. Jetport, returning Fri, Sep 4, priced at $278 found 5 days ago
Thu, Nov 5 - Sun, Nov 8
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$278 Roundtrip, found 2 days ago
$278
Roundtrip
found 2 days ago
Select United flight, departing Thu, Nov 5 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sun, Nov 8, priced at $278 found 2 days ago
Sat, Oct 3 - Sat, Oct 10
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$282 Roundtrip, found 2 days ago
$282
Roundtrip
found 2 days ago
Select United flight, departing Sat, Oct 3 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Oct 10, priced at $282 found 2 days ago
Fri, Oct 16 - Sun, Oct 18
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$283 Roundtrip, found 2 days ago
$283
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 16 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sun, Oct 18, priced at $283 found 2 days ago
Tue, Sep 15 - Sat, Sep 19
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$284 Roundtrip, found 3 days ago
$284
Roundtrip
found 3 days ago
Select United flight, departing Tue, Sep 15 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Sep 19, priced at $284 found 3 days ago
Sat, Oct 3 - Sat, Oct 10
IAD
Washington Dulles Intl.
PWM
Portland Intl. Jetport
$287 Roundtrip, found 2 days ago
$287
Roundtrip
found 2 days ago
Select United flight, departing Sat, Oct 3 from Washington Dulles Intl. to Portland Intl. Jetport, returning Sat, Oct 10, priced at $287 found 2 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.