United Flight AC8556 Deals & Information (2025/2026)

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United Flight 8556 Route Deals From $150

The cheapest prices found with in the last 7 days for return flights were $272 and $150 for one-way flights to Ronald Reagan Washington National for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 31 - Sun, Nov 2
YYZ
Pearson Intl.
DCA
Ronald Reagan Washington National
$272 Roundtrip, found 6 days ago
$272
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct 31 from Pearson Intl. to Ronald Reagan Washington National, returning Sun, Nov 2, priced at $272 found 6 days ago
Fri, Aug 8 - Sat, Aug 9
YYZ
Pearson Intl.
DCA
Ronald Reagan Washington National
$277 Roundtrip, found 11 hours ago
$277
Roundtrip
found 11 hours ago
Select United flight, departing Fri, Aug 8 from Pearson Intl. to Ronald Reagan Washington National, returning Sat, Aug 9, priced at $277 found 11 hours ago
Fri, Aug 8 - Sat, Aug 9
YYZ
Pearson Intl.
DCA
Ronald Reagan Washington National
$279 Roundtrip, found 11 hours ago
$279
Roundtrip
found 11 hours ago
Select United flight, departing Fri, Aug 8 from Pearson Intl. to Ronald Reagan Washington National, returning Sat, Aug 9, priced at $279 found 11 hours ago
Fri, Aug 8 - Sat, Aug 9
YYZ
Pearson Intl.
DCA
Ronald Reagan Washington National
$288 Roundtrip, found 11 hours ago
$288
Roundtrip
found 11 hours ago
Select United flight, departing Fri, Aug 8 from Pearson Intl. to Ronald Reagan Washington National, returning Sat, Aug 9, priced at $288 found 11 hours ago