United Flight UA3581 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

United Flight 3581 Route Deals From $186

The cheapest prices found with in the last 7 days for return flights were $327 and $186 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 10 - Sat, Sep 13
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$327 Roundtrip, found 5 days ago
$327
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 10 from Macdonald-Cartier Intl. to O'Hare Intl., returning Sat, Sep 13, priced at $327 found 5 days ago
Wed, Sep 10 - Sat, Sep 13
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$336 Roundtrip, found 5 days ago
$336
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 10 from Macdonald-Cartier Intl. to O'Hare Intl., returning Sat, Sep 13, priced at $336 found 5 days ago
Wed, Sep 10 - Sat, Sep 13
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$342 Roundtrip, found 5 days ago
$342
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 10 from Macdonald-Cartier Intl. to O'Hare Intl., returning Sat, Sep 13, priced at $342 found 5 days ago
Wed, Sep 10 - Sat, Sep 13
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$389 Roundtrip, found 5 days ago
$389
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 10 from Macdonald-Cartier Intl. to O'Hare Intl., returning Sat, Sep 13, priced at $389 found 5 days ago
Wed, Sep 10 - Sat, Sep 13
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$415 Roundtrip, found 5 days ago
$415
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 10 from Macdonald-Cartier Intl. to O'Hare Intl., returning Sat, Sep 13, priced at $415 found 5 days ago
Wed, Sep 10 - Sat, Sep 13
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$419 Roundtrip, found 5 days ago
$419
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 10 from Macdonald-Cartier Intl. to O'Hare Intl., returning Sat, Sep 13, priced at $419 found 5 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.