United Flight 3581 Deals & Information (2025/2026)

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United Flight 3581 Route Deals From $149

The cheapest prices found with in the last 7 days for return flights were $609 and $149 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, May 4 - Tue, May 6
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$609 Roundtrip, found 6 days ago
$609
Roundtrip
found 6 days ago
Select United flight, departing Sun, May 4 from Macdonald-Cartier Intl. to O'Hare Intl., returning Tue, May 6, priced at $609 found 6 days ago

Frequently asked questions

What route does flight number UA3581 take?
UA3581 flies directly from ORD to Louis Armstrong New Orleans Intl. Airport (MSY) in approximately 2 hours and 25 minutes. It can be used on other routes though, some of which may be multi-stop journeys. Keep this in mind when locking in your seat to avoid any mix-ups.
What terminal does UA3581 fly out of?
Terminal 2 is where you’ll likely jet off from if you’re booked on a flight from O’Hare Intl. Airport (ORD). ORD to MSY is the most frequently traveled route for flight number UA3581.
What kind of plane is on flight number UA3581?
You’re likely to be traveling aboard an Embraer 170 if you’ve reserved a seat on flight number UA3581 from Chicago, IL Airport (ORD-O’Hare Intl.) to MSY. It’s the most commonly used aircraft on this popular route.
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 UA3581 flight with Travelocity, please visit our Customer Service Portal.