United Flight AC8540 Deals & Information (2025/2026)

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United Flight 8540 Route Deals From $265

The cheapest prices found with in the last 7 days for return flights were $454 and $265 for one-way flights to Pittsburgh Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 10 - Sat, Oct 11
YUL
Pierre Elliott Trudeau Intl.
PIT
Pittsburgh Intl.
$454 Roundtrip, found 5 days ago
$454
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 10 from Pierre Elliott Trudeau Intl. to Pittsburgh Intl., returning Sat, Oct 11, priced at $454 found 5 days ago
Fri, Oct 10 - Sat, Oct 11
YUL
Pierre Elliott Trudeau Intl.
PIT
Pittsburgh Intl.
$463 Roundtrip, found 5 days ago
$463
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 10 from Pierre Elliott Trudeau Intl. to Pittsburgh Intl., returning Sat, Oct 11, priced at $463 found 5 days ago
Fri, Oct 10 - Sat, Oct 11
YUL
Pierre Elliott Trudeau Intl.
PIT
Pittsburgh Intl.
$467 Roundtrip, found 5 days ago
$467
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 10 from Pierre Elliott Trudeau Intl. to Pittsburgh Intl., returning Sat, Oct 11, priced at $467 found 5 days ago
Fri, Oct 10 - Sat, Oct 11
YUL
Pierre Elliott Trudeau Intl.
PIT
Pittsburgh Intl.
$476 Roundtrip, found 5 days ago
$476
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 10 from Pierre Elliott Trudeau Intl. to Pittsburgh Intl., returning Sat, Oct 11, priced at $476 found 5 days ago
Fri, Oct 10 - Sat, Oct 11
YUL
Pierre Elliott Trudeau Intl.
PIT
Pittsburgh Intl.
$495 Roundtrip, found 5 days ago
$495
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 10 from Pierre Elliott Trudeau Intl. to Pittsburgh Intl., returning Sat, Oct 11, priced at $495 found 5 days ago
Fri, Oct 10 - Sat, Oct 11
YUL
Pierre Elliott Trudeau Intl.
PIT
Pittsburgh Intl.
$497 Roundtrip, found 5 days ago
$497
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 10 from Pierre Elliott Trudeau Intl. to Pittsburgh Intl., returning Sat, Oct 11, priced at $497 found 5 days ago
Fri, Oct 10 - Sat, Oct 11
YUL
Pierre Elliott Trudeau Intl.
PIT
Pittsburgh Intl.
$505 Roundtrip, found 5 days ago
$505
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 10 from Pierre Elliott Trudeau Intl. to Pittsburgh Intl., returning Sat, Oct 11, priced at $505 found 5 days ago
Fri, Oct 10 - Mon, Oct 13
YUL
Pierre Elliott Trudeau Intl.
PIT
Pittsburgh Intl.
$509 Roundtrip, found 6 days ago
$509
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct 10 from Pierre Elliott Trudeau Intl. to Pittsburgh Intl., returning Mon, Oct 13, priced at $509 found 6 days ago