United Flight 8551 Deals & Information (2026/2027)

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United Flight 8551 Route Deals From $116

The cheapest prices found with in the last 7 days for return flights were $233 and $116 for one-way flights to Pearson Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Apr 11 - Sat, Apr 18
DCA
Ronald Reagan Washington National
YYZ
Pearson Intl.
$233 Roundtrip, just found
$233
Roundtrip
just found
Select United flight, departing Sat, Apr 11 from Ronald Reagan Washington National to Pearson Intl., returning Sat, Apr 18, priced at $233 just found
Tue, Jan 20 - Tue, Jan 27
DCA
Ronald Reagan Washington National
YYZ
Pearson Intl.
$236 Roundtrip, found 3 days ago
$236
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jan 20 from Ronald Reagan Washington National to Pearson Intl., returning Tue, Jan 27, priced at $236 found 3 days ago
Sun, Feb 1 - Sat, Feb 7
DCA
Ronald Reagan Washington National
YYZ
Pearson Intl.
$237 Roundtrip, found 1 day ago
$237
Roundtrip
found 1 day ago
Select United flight, departing Sun, Feb 1 from Ronald Reagan Washington National to Pearson Intl., returning Sat, Feb 7, priced at $237 found 1 day ago
Sat, Feb 28 - Sun, Mar 1
DCA
Ronald Reagan Washington National
YYZ
Pearson Intl.
$239 Roundtrip, just found
$239
Roundtrip
just found
Select United flight, departing Sat, Feb 28 from Ronald Reagan Washington National to Pearson Intl., returning Sun, Mar 1, priced at $239 just found
Sat, Feb 28 - Sun, Mar 1
DCA
Ronald Reagan Washington National
YYZ
Pearson Intl.
$255 Roundtrip, just found
$255
Roundtrip
just found
Select United flight, departing Sat, Feb 28 from Ronald Reagan Washington National to Pearson Intl., returning Sun, Mar 1, priced at $255 just found
Sat, Feb 28 - Sun, Mar 1
DCA
Ronald Reagan Washington National
YYZ
Pearson Intl.
$284 Roundtrip, just found
$284
Roundtrip
just found
Select United flight, departing Sat, Feb 28 from Ronald Reagan Washington National to Pearson Intl., returning Sun, Mar 1, priced at $284 just found