United Flight UA3581 Deals & Information (2025/2026)

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United Flight 3581 Route Deals From $189

The cheapest prices found with in the last 7 days for return flights were $510 and $189 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 3 - Sat, Dec 6
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$510 Roundtrip, found 18 hours ago
$510
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Dec 3 from Macdonald-Cartier Intl. to O'Hare Intl., returning Sat, Dec 6, priced at $510 found 18 hours ago
Wed, Dec 3 - Sat, Dec 6
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$520 Roundtrip, found 18 hours ago
$520
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Dec 3 from Macdonald-Cartier Intl. to O'Hare Intl., returning Sat, Dec 6, priced at $520 found 18 hours ago
Wed, Dec 3 - Sat, Dec 6
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$526 Roundtrip, found 18 hours ago
$526
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Dec 3 from Macdonald-Cartier Intl. to O'Hare Intl., returning Sat, Dec 6, priced at $526 found 18 hours ago
Wed, Dec 3 - Sat, Dec 6
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$538 Roundtrip, found 18 hours ago
$538
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Dec 3 from Macdonald-Cartier Intl. to O'Hare Intl., returning Sat, Dec 6, priced at $538 found 18 hours ago
Wed, Dec 3 - Sat, Dec 6
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$540 Roundtrip, found 18 hours ago
$540
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Dec 3 from Macdonald-Cartier Intl. to O'Hare Intl., returning Sat, Dec 6, priced at $540 found 18 hours ago
Wed, Dec 3 - Sat, Dec 6
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$555 Roundtrip, found 18 hours ago
$555
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Dec 3 from Macdonald-Cartier Intl. to O'Hare Intl., returning Sat, Dec 6, priced at $555 found 18 hours ago
Wed, Dec 3 - Sat, Dec 6
YOW
Macdonald-Cartier Intl.
ORD
O'Hare Intl.
$570 Roundtrip, found 18 hours ago
$570
Roundtrip
found 18 hours ago
Select United flight, departing Wed, Dec 3 from Macdonald-Cartier Intl. to O'Hare Intl., returning Sat, Dec 6, priced at $570 found 18 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.