United Flight 3542 Deals & Information (2026/2027)

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United Flight 3542 Route Deals From $303

The cheapest prices found with in the last 7 days for return flights were $316 and $303 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 13 - Wed, May 20
HHH
Hilton Head Island
ORD
O'Hare Intl.
$316 Roundtrip, found 6 days ago
$316
Roundtrip
found 6 days ago
Select United flight, departing Wed, May 13 from Hilton Head Island to O'Hare Intl., returning Wed, May 20, priced at $316 found 6 days ago
Fri, May 22 - Sun, May 24
HHH
Hilton Head Island
ORD
O'Hare Intl.
$396 Roundtrip, found 1 day ago
$396
Roundtrip
found 1 day ago
Select United flight, departing Fri, May 22 from Hilton Head Island to O'Hare Intl., returning Sun, May 24, priced at $396 found 1 day ago
Wed, May 13 - Wed, May 20
HHH
Hilton Head Island
ORD
O'Hare Intl.
$398 Roundtrip, found 6 days ago
$398
Roundtrip
found 6 days ago
Select United flight, departing Wed, May 13 from Hilton Head Island to O'Hare Intl., returning Wed, May 20, priced at $398 found 6 days ago
Fri, May 22 - Fri, May 29
HHH
Hilton Head Island
ORD
O'Hare Intl.
$411 Roundtrip, found 4 days ago
$411
Roundtrip
found 4 days ago
Select United flight, departing Fri, May 22 from Hilton Head Island to O'Hare Intl., returning Fri, May 29, priced at $411 found 4 days ago
Fri, May 22 - Sun, May 24
HHH
Hilton Head Island
ORD
O'Hare Intl.
$417 Roundtrip, found 1 day ago
$417
Roundtrip
found 1 day ago
Select United flight, departing Fri, May 22 from Hilton Head Island to O'Hare Intl., returning Sun, May 24, priced at $417 found 1 day ago
Thu, May 7 - Sun, May 10
HHH
Hilton Head Island
ORD
O'Hare Intl.
$441 Roundtrip, found 2 hours ago
$441
Roundtrip
found 2 hours ago
Select United flight, departing Thu, May 7 from Hilton Head Island to O'Hare Intl., returning Sun, May 10, priced at $441 found 2 hours ago
Fri, May 22 - Sun, May 24
HHH
Hilton Head Island
ORD
O'Hare Intl.
$468 Roundtrip, found 1 day ago
$468
Roundtrip
found 1 day ago
Select United flight, departing Fri, May 22 from Hilton Head Island to O'Hare Intl., returning Sun, May 24, priced at $468 found 1 day ago
Fri, May 22 - Sun, May 24
HHH
Hilton Head Island
ORD
O'Hare Intl.
$488 Roundtrip, found 1 day ago
$488
Roundtrip
found 1 day ago
Select United flight, departing Fri, May 22 from Hilton Head Island to O'Hare Intl., returning Sun, May 24, priced at $488 found 1 day ago
Thu, May 7 - Sun, May 10
HHH
Hilton Head Island
ORD
O'Hare Intl.
$505 Roundtrip, found 2 hours ago
$505
Roundtrip
found 2 hours ago
Select United flight, departing Thu, May 7 from Hilton Head Island to O'Hare Intl., returning Sun, May 10, priced at $505 found 2 hours ago

Frequently asked questions

What route does flight number UA3542 take?
UA3542 is used on a number of routes. Mostly, UA3542 flies directly from O'Hare Airport to Hilton Head Island Airport (HHH). If you've booked a seat on this route, you'll be traveling for roughly 2 hours and 29 minutes.
What terminal does UA3542 fly out of?
You'll likely board from Terminal 2 if you're booked on a flight out of O'Hare Airport. UA3542 serves a number of different routes, but the direct flight between ORD and Hilton Head Island Airport (HHH) is the most frequently traveled.
What kind of plane is on flight number UA3542?
If you have a seat on flight UA3542 from ORD to HHH, there's an excellent chance you'll be traveling aboard the Embraer 175. Flight UA3542 serves several routes, but this is the busiest.
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 UA3542 flight with Travelocity, please visit our Customer Service Portal.