United Flight AC3542 Deals & Information (2024/2025)

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United Flight 3542 Route Deals From $134

The cheapest prices found with in the last 7 days for return flights were $280 and $134 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jan 22 - Mon, Jan 27
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$280 Roundtrip, found 2 days ago
$280
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jan 22 from Pearson Intl. to O'Hare Intl., returning Mon, Jan 27, priced at $280 found 2 days ago
Fri, Jan 17 - Fri, Jan 31
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$299 Roundtrip, found 3 days ago
$299
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jan 17 from Pearson Intl. to O'Hare Intl., returning Fri, Jan 31, priced at $299 found 3 days ago
Fri, Jan 17 - Fri, Jan 31
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$303 Roundtrip, found 3 days ago
$303
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jan 17 from Pearson Intl. to O'Hare Intl., returning Fri, Jan 31, priced at $303 found 3 days ago
Fri, Jan 17 - Fri, Jan 31
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$304 Roundtrip, found 3 days ago
$304
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jan 17 from Pearson Intl. to O'Hare Intl., returning Fri, Jan 31, priced at $304 found 3 days ago
Wed, Jan 22 - Mon, Jan 27
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$310 Roundtrip, found 2 days ago
$310
Roundtrip
found 2 days ago
Select United flight, departing Wed, Jan 22 from Pearson Intl. to O'Hare Intl., returning Mon, Jan 27, priced at $310 found 2 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.