United Flight AC3542 Deals & Information (2024/2025)

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United Flight 3542 Route Deals From $144

The cheapest prices found with in the last 7 days for return flights were $239 and $144 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Dec 3 - Tue, Dec 10
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$239 Roundtrip, found 2 days ago
$239
Roundtrip
found 2 days ago
Select United flight, departing Tue, Dec 3 from Pearson Intl. to O'Hare Intl., returning Tue, Dec 10, priced at $239 found 2 days ago
Tue, Dec 3 - Tue, Dec 10
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$263 Roundtrip, found 2 days ago
$263
Roundtrip
found 2 days ago
Select United flight, departing Tue, Dec 3 from Pearson Intl. to O'Hare Intl., returning Tue, Dec 10, priced at $263 found 2 days ago
Wed, Jan 8 - Mon, Jan 13
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$264 Roundtrip, found 1 day ago
$264
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jan 8 from Pearson Intl. to O'Hare Intl., returning Mon, Jan 13, priced at $264 found 1 day ago
Tue, Dec 17 - Mon, Jan 6
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$266 Roundtrip, found 1 day ago
$266
Roundtrip
found 1 day ago
Select United flight, departing Tue, Dec 17 from Pearson Intl. to O'Hare Intl., returning Mon, Jan 6, priced at $266 found 1 day ago
Wed, Nov 20 - Mon, Dec 2
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$269 Roundtrip, found 12 hours ago
$269
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Nov 20 from Pearson Intl. to O'Hare Intl., returning Mon, Dec 2, priced at $269 found 12 hours ago
Tue, Dec 3 - Tue, Dec 10
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$272 Roundtrip, found 2 days ago
$272
Roundtrip
found 2 days ago
Select United flight, departing Tue, Dec 3 from Pearson Intl. to O'Hare Intl., returning Tue, Dec 10, priced at $272 found 2 days ago
Wed, Jan 8 - Mon, Jan 13
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$273 Roundtrip, found 1 day ago
$273
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jan 8 from Pearson Intl. to O'Hare Intl., returning Mon, Jan 13, priced at $273 found 1 day ago
Tue, Dec 17 - Mon, Jan 6
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$276 Roundtrip, found 1 day ago
$276
Roundtrip
found 1 day ago
Select United flight, departing Tue, Dec 17 from Pearson Intl. to O'Hare Intl., returning Mon, Jan 6, priced at $276 found 1 day ago
Thu, Nov 28 - Mon, Dec 2
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$287 Roundtrip, found 2 days ago
$287
Roundtrip
found 2 days ago
Select United flight, departing Thu, Nov 28 from Pearson Intl. to O'Hare Intl., returning Mon, Dec 2, priced at $287 found 2 days ago
Wed, Jan 8 - Mon, Jan 13
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$288 Roundtrip, found 1 day ago
$288
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jan 8 from Pearson Intl. to O'Hare Intl., returning Mon, Jan 13, priced at $288 found 1 day 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.