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United Flight AC8458 Deals & Information (2024/2025)
Wander Wisely with exceptional service, 24/7 support
Feel at ease with free flight cancellations within 24 hours of booking
Change your flight without a fee on select flights
United Flight 8458 Route Deals From $119
The cheapest prices found with in the last 7 days for return flights were $289 and $119 for one-way flights to Pierre Elliott Trudeau Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.
ORD
O'Hare Intl.
YUL
Pierre Elliott Trudeau Intl.
$289 Roundtrip, found 6 hours ago
$289
Roundtrip
found 6 hours ago
ORD
O'Hare Intl.
YUL
Pierre Elliott Trudeau Intl.
$300 Roundtrip, found 3 days ago
$300
Roundtrip
found 3 days ago
ORD
O'Hare Intl.
YUL
Pierre Elliott Trudeau Intl.
$319 Roundtrip, found 6 days ago
$319
Roundtrip
found 6 days ago
ORD
O'Hare Intl.
YUL
Pierre Elliott Trudeau Intl.
$322 Roundtrip, found 5 hours ago
$322
Roundtrip
found 5 hours ago
ORD
O'Hare Intl.
YUL
Pierre Elliott Trudeau Intl.
$324 Roundtrip, found 5 hours ago
$324
Roundtrip
found 5 hours ago
ORD
O'Hare Intl.
YUL
Pierre Elliott Trudeau Intl.
$326 Roundtrip, found 2 days ago
$326
Roundtrip
found 2 days ago
ORD
O'Hare Intl.
YUL
Pierre Elliott Trudeau Intl.
$327 Roundtrip, found 5 hours ago
$327
Roundtrip
found 5 hours ago