United Flight AC3542 Deals & Information (2024/2025)

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United Flight 3542 Route Deals From $147

The cheapest prices found with in the last 7 days for return flights were $245 and $147 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 18 - Tue, Dec 31
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$245 Roundtrip, found 3 days ago
$245
Roundtrip
found 3 days ago
Select United flight, departing Wed, Dec 18 from Pearson Intl. to O'Hare Intl., returning Tue, Dec 31, priced at $245 found 3 days ago
Sat, Jan 18 - Mon, Jan 20
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$270 Roundtrip, found 4 days ago
$270
Roundtrip
found 4 days ago
Select United flight, departing Sat, Jan 18 from Pearson Intl. to O'Hare Intl., returning Mon, Jan 20, priced at $270 found 4 days 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.