United Flight 3557 Deals & Information (2026/2027)

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United Flight 3557 Route Deals From $112

The cheapest prices found with in the last 7 days for return flights were $253 and $112 for one-way flights to Pearson Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, May 7 - Wed, May 20
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$253 Roundtrip, found 6 hours ago
$253
Roundtrip
found 6 hours ago
Select United flight, departing Thu, May 7 from Newark Liberty Intl. Airport to Pearson Intl., returning Wed, May 20, priced at $253 found 6 hours ago
Mon, May 11 - Wed, May 13
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$263 Roundtrip, found 7 hours ago
$263
Roundtrip
found 7 hours ago
Select United flight, departing Mon, May 11 from Newark Liberty Intl. Airport to Pearson Intl., returning Wed, May 13, priced at $263 found 7 hours ago
Tue, May 26 - Thu, Jun 4
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$273 Roundtrip, found 21 hours ago
$273
Roundtrip
found 21 hours ago
Select United flight, departing Tue, May 26 from Newark Liberty Intl. Airport to Pearson Intl., returning Thu, Jun 4, priced at $273 found 21 hours ago
Mon, Jun 1 - Thu, Jun 4
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$291 Roundtrip, found 4 hours ago
$291
Roundtrip
found 4 hours ago
Select United flight, departing Mon, Jun 1 from Newark Liberty Intl. Airport to Pearson Intl., returning Thu, Jun 4, priced at $291 found 4 hours ago
Mon, Jun 1 - Thu, Jun 4
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$310 Roundtrip, found 4 hours ago
$310
Roundtrip
found 4 hours ago
Select United flight, departing Mon, Jun 1 from Newark Liberty Intl. Airport to Pearson Intl., returning Thu, Jun 4, priced at $310 found 4 hours ago
Mon, Jun 1 - Thu, Jun 4
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$314 Roundtrip, found 4 hours ago
$314
Roundtrip
found 4 hours ago
Select United flight, departing Mon, Jun 1 from Newark Liberty Intl. Airport to Pearson Intl., returning Thu, Jun 4, priced at $314 found 4 hours ago

Frequently asked questions

What route does flight number UA3557 take?
UA3557 flies direct from Chicago, IL Airport (ORD-O'Hare Intl.) to Hartsfield–Jackson Atlanta International Airport. During this trip, expect to be in the air for approximately 1 hour and 58 minutes. Book ahead to lock in your preferred seat.
What terminal does UA3557 fly out of?
UA3557 runs between O'Hare Airport and Hartsfield-Jackson Atlanta Intl. Airport (ATL), and those booked on this flight commonly board the plane from Terminal 2.
What kind of plane is on flight number UA3557?
The Embraer 170 is the aircraft most often used for flight UA3557. This flight nearly always sets off from Chicago, IL Airport (ORD-O'Hare Intl.) and lands at Atlanta, GA Airport (ATL-Hartsfield-Jackson Atlanta Intl.).
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 UA3557 flight with Travelocity, please visit our Customer Service Portal.