United Flight AC8371 Deals & Information (2025/2026)

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United Flight 8371 Route Deals From $174

The cheapest prices found with in the last 7 days for return flights were $175 and $174 for one-way flights to O'Hare Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 24 - Sat, Sep 27
YUL
Pierre Elliott Trudeau Intl.
ORD
O'Hare Intl.
$175 Roundtrip, found 5 days ago
$175
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 24 from Pierre Elliott Trudeau Intl. to O'Hare Intl., returning Sat, Sep 27, priced at $175 found 5 days ago
Wed, Sep 24 - Sat, Sep 27
YUL
Pierre Elliott Trudeau Intl.
ORD
O'Hare Intl.
$206 Roundtrip, found 5 days ago
$206
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 24 from Pierre Elliott Trudeau Intl. to O'Hare Intl., returning Sat, Sep 27, priced at $206 found 5 days ago
Wed, Sep 24 - Sat, Sep 27
YUL
Pierre Elliott Trudeau Intl.
ORD
O'Hare Intl.
$211 Roundtrip, found 5 days ago
$211
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 24 from Pierre Elliott Trudeau Intl. to O'Hare Intl., returning Sat, Sep 27, priced at $211 found 5 days ago
Wed, Sep 24 - Sat, Sep 27
YUL
Pierre Elliott Trudeau Intl.
ORD
O'Hare Intl.
$221 Roundtrip, found 5 days ago
$221
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 24 from Pierre Elliott Trudeau Intl. to O'Hare Intl., returning Sat, Sep 27, priced at $221 found 5 days ago
Wed, Sep 24 - Sat, Sep 27
YUL
Pierre Elliott Trudeau Intl.
ORD
O'Hare Intl.
$227 Roundtrip, found 5 days ago
$227
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 24 from Pierre Elliott Trudeau Intl. to O'Hare Intl., returning Sat, Sep 27, priced at $227 found 5 days ago
Thu, Sep 18 - Sun, Sep 21
YUL
Pierre Elliott Trudeau Intl.
ORD
O'Hare Intl.
$235 Roundtrip, found 1 day ago
$235
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 18 from Pierre Elliott Trudeau Intl. to O'Hare Intl., returning Sun, Sep 21, priced at $235 found 1 day ago
Thu, Sep 18 - Sun, Sep 21
YUL
Pierre Elliott Trudeau Intl.
ORD
O'Hare Intl.
$261 Roundtrip, found 1 day ago
$261
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 18 from Pierre Elliott Trudeau Intl. to O'Hare Intl., returning Sun, Sep 21, priced at $261 found 1 day ago
Wed, Sep 24 - Sat, Sep 27
YUL
Pierre Elliott Trudeau Intl.
ORD
O'Hare Intl.
$263 Roundtrip, found 5 days ago
$263
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 24 from Pierre Elliott Trudeau Intl. to O'Hare Intl., returning Sat, Sep 27, priced at $263 found 5 days ago