United Flight 3557 Deals & Information (2026/2027)

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United Flight 3557 Route Deals From $183

The cheapest prices found with in the last 7 days for return flights were $254 and $183 for one-way flights to Pearson Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jun 6 - Thu, Jun 11
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$254 Roundtrip, found 12 hours ago
$254
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Jun 6 from Newark Liberty Intl. Airport to Pearson Intl., returning Thu, Jun 11, priced at $254 found 12 hours ago
Mon, May 25 - Thu, May 28
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$266 Roundtrip, found 7 hours ago
$266
Roundtrip
found 7 hours ago
Select United flight, departing Mon, May 25 from Newark Liberty Intl. Airport to Pearson Intl., returning Thu, May 28, priced at $266 found 7 hours ago
Sat, Jun 6 - Thu, Jun 11
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$276 Roundtrip, found 12 hours ago
$276
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Jun 6 from Newark Liberty Intl. Airport to Pearson Intl., returning Thu, Jun 11, priced at $276 found 12 hours ago
Mon, May 25 - Thu, May 28
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$291 Roundtrip, found 7 hours ago
$291
Roundtrip
found 7 hours ago
Select United flight, departing Mon, May 25 from Newark Liberty Intl. Airport to Pearson Intl., returning Thu, May 28, priced at $291 found 7 hours ago
Sun, May 24 - Tue, May 26
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$292 Roundtrip, found 10 hours ago
$292
Roundtrip
found 10 hours ago
Select United flight, departing Sun, May 24 from Newark Liberty Intl. Airport to Pearson Intl., returning Tue, May 26, priced at $292 found 10 hours ago
Sat, Jun 6 - Thu, Jun 11
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$295 Roundtrip, found 12 hours ago
$295
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Jun 6 from Newark Liberty Intl. Airport to Pearson Intl., returning Thu, Jun 11, priced at $295 found 12 hours ago
Sun, May 24 - Tue, May 26
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$302 Roundtrip, found 10 hours ago
$302
Roundtrip
found 10 hours ago
Select United flight, departing Sun, May 24 from Newark Liberty Intl. Airport to Pearson Intl., returning Tue, May 26, priced at $302 found 10 hours ago
Sat, Aug 1 - Wed, Aug 5
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$303 Roundtrip, found 12 hours ago
$303
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Aug 1 from Newark Liberty Intl. Airport to Pearson Intl., returning Wed, Aug 5, priced at $303 found 12 hours ago
Sun, May 24 - Tue, May 26
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$315 Roundtrip, found 10 hours ago
$315
Roundtrip
found 10 hours ago
Select United flight, departing Sun, May 24 from Newark Liberty Intl. Airport to Pearson Intl., returning Tue, May 26, priced at $315 found 10 hours ago
Sat, Jun 6 - Thu, Jun 11
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$317 Roundtrip, found 12 hours ago
$317
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Jun 6 from Newark Liberty Intl. Airport to Pearson Intl., returning Thu, Jun 11, priced at $317 found 12 hours ago
Sat, Aug 22 - Wed, Sep 2
EWR
Newark Liberty Intl. Airport
YYZ
Pearson Intl.
$318 Roundtrip, found 1 day ago
$318
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 22 from Newark Liberty Intl. Airport to Pearson Intl., returning Wed, Sep 2, priced at $318 found 1 day 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.