United Flight 4533 Deals & Information (2026/2027)

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United Flight 4533 Route Deals From $239

The cheapest prices found with in the last 7 days for return flights were $260 and $239 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 21 - Mon, Aug 24
MLI
Quad City Intl.
ORD
O'Hare Intl.
$260 Roundtrip, found 2 days ago
$260
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 21 from Quad City Intl. to O'Hare Intl., returning Mon, Aug 24, priced at $260 found 2 days ago
Fri, Aug 21 - Mon, Aug 24
MLI
Quad City Intl.
ORD
O'Hare Intl.
$331 Roundtrip, found 2 days ago
$331
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 21 from Quad City Intl. to O'Hare Intl., returning Mon, Aug 24, priced at $331 found 2 days ago
Fri, Aug 21 - Mon, Aug 24
MLI
Quad City Intl.
ORD
O'Hare Intl.
$395 Roundtrip, found 2 days ago
$395
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 21 from Quad City Intl. to O'Hare Intl., returning Mon, Aug 24, priced at $395 found 2 days ago
Fri, Aug 21 - Mon, Aug 24
MLI
Quad City Intl.
ORD
O'Hare Intl.
$402 Roundtrip, found 2 days ago
$402
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 21 from Quad City Intl. to O'Hare Intl., returning Mon, Aug 24, priced at $402 found 2 days ago
Fri, Aug 21 - Mon, Aug 24
MLI
Quad City Intl.
ORD
O'Hare Intl.
$434 Roundtrip, found 2 days ago
$434
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 21 from Quad City Intl. to O'Hare Intl., returning Mon, Aug 24, priced at $434 found 2 days ago
Fri, Aug 21 - Mon, Aug 24
MLI
Quad City Intl.
ORD
O'Hare Intl.
$514 Roundtrip, found 2 days ago
$514
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 21 from Quad City Intl. to O'Hare Intl., returning Mon, Aug 24, priced at $514 found 2 days ago
Fri, Aug 21 - Mon, Aug 24
MLI
Quad City Intl.
ORD
O'Hare Intl.
$518 Roundtrip, found 2 days ago
$518
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 21 from Quad City Intl. to O'Hare Intl., returning Mon, Aug 24, priced at $518 found 2 days ago
Fri, Aug 21 - Mon, Aug 24
MLI
Quad City Intl.
ORD
O'Hare Intl.
$552 Roundtrip, found 2 days ago
$552
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 21 from Quad City Intl. to O'Hare Intl., returning Mon, Aug 24, priced at $552 found 2 days ago
Fri, Aug 21 - Mon, Aug 24
MLI
Quad City Intl.
ORD
O'Hare Intl.
$565 Roundtrip, found 2 days ago
$565
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 21 from Quad City Intl. to O'Hare Intl., returning Mon, Aug 24, priced at $565 found 2 days ago
Fri, Aug 21 - Mon, Aug 24
MLI
Quad City Intl.
ORD
O'Hare Intl.
$573 Roundtrip, found 2 days ago
$573
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 21 from Quad City Intl. to O'Hare Intl., returning Mon, Aug 24, priced at $573 found 2 days ago

Frequently asked questions

What route does flight number UA4533 take?
Flight number UA4533 flies direct from Nantucket, MA Airport (ACK-Nantucket Memorial) to ORD. During this trip, you'll be in the air for approximately 2 hours and 55 minutes. It's wise to book ahead to get your favorite seat.
What kind of plane is on flight number UA4533?
The Canadair (Bombardier) Regional Jet 550 is the type of aircraft that's generally used for flight number UA4533. Usually, this flight heads off from Nantucket, MA Airport (ACK-Nantucket Memorial) and comes in to land at Chicago, IL Airport (ORD-O'Hare Intl.).
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 UA4533 flight with Travelocity, please visit our Customer Service Portal.