United Flight 3581 Deals & Information (2025/2026)

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United Flight 3581 Route Deals From $247

The cheapest prices found with in the last 7 days for return flights were $617 and $247 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, May 16 - Sun, May 25
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$617 Roundtrip, found 11 hours ago
$617
Roundtrip
found 11 hours ago
Select United flight, departing Fri, May 16 from Macdonald-Cartier Intl. to O'Hare Intl., returning Sun, May 25, priced at $617 found 11 hours ago
Fri, May 16 - Sun, May 25
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$649 Roundtrip, found 11 hours ago
$649
Roundtrip
found 11 hours ago
Select United flight, departing Fri, May 16 from Macdonald-Cartier Intl. to O'Hare Intl., returning Sun, May 25, priced at $649 found 11 hours ago
Fri, May 16 - Sun, May 25
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$661 Roundtrip, found 11 hours ago
$661
Roundtrip
found 11 hours ago
Select United flight, departing Fri, May 16 from Macdonald-Cartier Intl. to O'Hare Intl., returning Sun, May 25, priced at $661 found 11 hours ago
Fri, May 16 - Sun, May 25
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$664 Roundtrip, found 11 hours ago
$664
Roundtrip
found 11 hours ago
Select United flight, departing Fri, May 16 from Macdonald-Cartier Intl. to O'Hare Intl., returning Sun, May 25, priced at $664 found 11 hours 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.