United Flight AC3542 Deals & Information (2025/2026)

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United Flight 3542 Route Deals From $146

The cheapest prices found with in the last 7 days for return flights were $272 and $146 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Apr 17 - Thu, Apr 24
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$272 Roundtrip, found 18 hours ago
$272
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Apr 17 from Pearson Intl. to O'Hare Intl., returning Thu, Apr 24, priced at $272 found 18 hours ago
Thu, Apr 17 - Thu, Apr 24
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$294 Roundtrip, found 18 hours ago
$294
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Apr 17 from Pearson Intl. to O'Hare Intl., returning Thu, Apr 24, priced at $294 found 18 hours ago
Thu, Apr 17 - Thu, Apr 24
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$297 Roundtrip, found 18 hours ago
$297
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Apr 17 from Pearson Intl. to O'Hare Intl., returning Thu, Apr 24, priced at $297 found 18 hours ago
Thu, Apr 17 - Thu, Apr 24
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$311 Roundtrip, found 18 hours ago
$311
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Apr 17 from Pearson Intl. to O'Hare Intl., returning Thu, Apr 24, priced at $311 found 18 hours ago
Thu, Apr 17 - Thu, Apr 24
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$313 Roundtrip, found 18 hours ago
$313
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Apr 17 from Pearson Intl. to O'Hare Intl., returning Thu, Apr 24, priced at $313 found 18 hours ago
Thu, Apr 17 - Thu, Apr 24
YYZ
Pearson Intl.
ORD
O'Hare Intl.
$318 Roundtrip, found 18 hours ago
$318
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Apr 17 from Pearson Intl. to O'Hare Intl., returning Thu, Apr 24, priced at $318 found 18 hours ago

More United Flight For This Route

CarrierFlightDepart YYZArrive ORDThu
1/23		Fri
1/24		Sat
1/25		Sun
1/26		Mon
1/27		Tue
1/28		Wed
1/29		Stops
UA353406:52 am08:05 amCheck Fare
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0 Stops
UA153809:00 am10:10 amCheck Fare
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0 Stops
UA355611:00 am00:13 pmCheck Fare
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0 Stops
UA236403:30 pm04:41 pmCheck Fare
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0 Stops
UA354205:30 pm06:43 pmCheck Fare
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0 Stops
UA572809:00 pm10:13 pmCheck Fare
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0 Stops

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.