United Flight 3577 Deals & Information (2025/2026)

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United Flight 3577 Route Deals From $50

The cheapest prices found with in the last 7 days for return flights were $115 and $50 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 11 - Sat, Oct 18
PIT
Pittsburgh Intl.
ORD
O'Hare Intl.
$115 Roundtrip, found 6 days ago
$115
Roundtrip
found 6 days ago
Select United flight, departing Sat, Oct 11 from Pittsburgh Intl. to O'Hare Intl., returning Sat, Oct 18, priced at $115 found 6 days ago
Sat, Oct 11 - Sat, Oct 18
PIT
Pittsburgh Intl.
ORD
O'Hare Intl.
$122 Roundtrip, found 6 days ago
$122
Roundtrip
found 6 days ago
Select United flight, departing Sat, Oct 11 from Pittsburgh Intl. to O'Hare Intl., returning Sat, Oct 18, priced at $122 found 6 days ago
Sat, Oct 11 - Sat, Oct 18
PIT
Pittsburgh Intl.
ORD
O'Hare Intl.
$122 Roundtrip, found 6 days ago
$122
Roundtrip
found 6 days ago
Select United flight, departing Sat, Oct 11 from Pittsburgh Intl. to O'Hare Intl., returning Sat, Oct 18, priced at $122 found 6 days ago
Sat, Oct 11 - Sat, Oct 18
PIT
Pittsburgh Intl.
ORD
O'Hare Intl.
$126 Roundtrip, found 6 days ago
$126
Roundtrip
found 6 days ago
Select United flight, departing Sat, Oct 11 from Pittsburgh Intl. to O'Hare Intl., returning Sat, Oct 18, priced at $126 found 6 days ago
Tue, Dec 16 - Thu, Dec 18
PIT
Pittsburgh Intl.
ORD
O'Hare Intl.
$127 Roundtrip, found 4 days ago
$127
Roundtrip
found 4 days ago
Select United flight, departing Tue, Dec 16 from Pittsburgh Intl. to O'Hare Intl., returning Thu, Dec 18, priced at $127 found 4 days ago
Thu, Oct 23 - Sat, Oct 25
PIT
Pittsburgh Intl.
ORD
O'Hare Intl.
$130 Roundtrip, found 3 days ago
$130
Roundtrip
found 3 days ago
Select United flight, departing Thu, Oct 23 from Pittsburgh Intl. to O'Hare Intl., returning Sat, Oct 25, priced at $130 found 3 days ago
Thu, Oct 23 - Sat, Oct 25
PIT
Pittsburgh Intl.
ORD
O'Hare Intl.
$135 Roundtrip, found 3 days ago
$135
Roundtrip
found 3 days ago
Select United flight, departing Thu, Oct 23 from Pittsburgh Intl. to O'Hare Intl., returning Sat, Oct 25, priced at $135 found 3 days ago
Thu, Oct 23 - Sat, Oct 25
PIT
Pittsburgh Intl.
ORD
O'Hare Intl.
$139 Roundtrip, found 3 days ago
$139
Roundtrip
found 3 days ago
Select United flight, departing Thu, Oct 23 from Pittsburgh Intl. to O'Hare Intl., returning Sat, Oct 25, priced at $139 found 3 days ago
Sat, Oct 11 - Sat, Oct 18
PIT
Pittsburgh Intl.
ORD
O'Hare Intl.
$146 Roundtrip, found 6 days ago
$146
Roundtrip
found 6 days ago
Select United flight, departing Sat, Oct 11 from Pittsburgh Intl. to O'Hare Intl., returning Sat, Oct 18, priced at $146 found 6 days ago
Mon, Nov 10 - Thu, Nov 13
PIT
Pittsburgh Intl.
ORD
O'Hare Intl.
$148 Roundtrip, found 1 day ago
$148
Roundtrip
found 1 day ago
Select United flight, departing Mon, Nov 10 from Pittsburgh Intl. to O'Hare Intl., returning Thu, Nov 13, priced at $148 found 1 day ago
Mon, Nov 10 - Thu, Nov 13
PIT
Pittsburgh Intl.
ORD
O'Hare Intl.
$150 Roundtrip, found 1 day ago
$150
Roundtrip
found 1 day ago
Select United flight, departing Mon, Nov 10 from Pittsburgh Intl. to O'Hare Intl., returning Thu, Nov 13, priced at $150 found 1 day ago
Sat, Oct 11 - Sat, Oct 18
PIT
Pittsburgh Intl.
ORD
O'Hare Intl.
$152 Roundtrip, found 6 days ago
$152
Roundtrip
found 6 days ago
Select United flight, departing Sat, Oct 11 from Pittsburgh Intl. to O'Hare Intl., returning Sat, Oct 18, priced at $152 found 6 days ago

Frequently asked questions

What route does flight number UA3577 take?
Flight number UA3577 takes about 1 hour and 48 minutes to jet straight from Chicago, IL Airport (ORD-O'Hare Intl.) to Huntsville Intl. Airport (HSV). Sure, there's magic in the destination, but half the fun is in the journey!
What terminal does UA3577 fly out of?
UA3577 runs between ORD and Huntsville Intl. Airport (HSV), and travelers with a seat on this flight generally board the aircraft from Terminal 2.
What kind of plane is on flight number UA3577?
The Embraer 170 is the plane that's mostly used for flight number UA3577. Usually, this flight departs from O'Hare Airport and arrives at Huntsville Intl. Airport (HSV).
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 UA3577 flight with Travelocity, please visit our Customer Service Portal.