United Flight AC3590 Deals & Information (2025/2026)

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United Flight 3590 Route Deals From $160

The cheapest prices found with in the last 7 days for return flights were $612 and $160 for one-way flights to Washington Dulles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 13 - Sun, Oct 19
YUL
Pierre Elliott Trudeau Intl.
IAD
Washington Dulles Intl.
$612 Roundtrip, found 16 hours ago
$612
Roundtrip
found 16 hours ago
Select United flight, departing Mon, Oct 13 from Pierre Elliott Trudeau Intl. to Washington Dulles Intl., returning Sun, Oct 19, priced at $612 found 16 hours ago

Frequently asked questions

What route does flight number UA3590 take?
UA3590 takes a few routes. The most frequently flown is O'Hare Airport to PIT, which flies direct. This flight takes roughly 1 hour and 28 minutes. However, there are likely to be other flights with the same number that are multi-stop.
What terminal does UA3590 fly out of?
If you're leaving from ORD, you'll likely board the aircraft from Terminal 2. The most popular route for UA3590 is Chicago, IL Airport (ORD-O'Hare Intl.) to Pittsburgh Intl. Airport (PIT), which is a nonstop flight.
What kind of plane is on flight number UA3590?
It's possible you'll be heading off on the Embraer 175 if you're flying from ORD to Pittsburgh Airport, one route used for flight UA3590.
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 UA3590 flight with Travelocity, please visit our Customer Service Portal.