Air Canada Flight 8639 Deals & Information (2026/2027)

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Air Canada Flight 8639 Route Deals From $121

The cheapest prices found with in the last 7 days for return flights were $257 and $121 for one-way flights to Pierre Elliott Trudeau Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 19 - Thu, Aug 20
LGA
LaGuardia
YUL
Pierre Elliott Trudeau Intl.
$257 Roundtrip, found 6 days ago
$257
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Aug 19 from LaGuardia to Pierre Elliott Trudeau Intl., returning Thu, Aug 20, priced at $257 found 6 days ago
Wed, May 13 - Mon, May 18
LGA
LaGuardia
YUL
Pierre Elliott Trudeau Intl.
$276 Roundtrip, found 4 days ago
$276
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, May 13 from LaGuardia to Pierre Elliott Trudeau Intl., returning Mon, May 18, priced at $276 found 4 days ago
Sat, May 16 - Thu, May 21
LGA
LaGuardia
YUL
Pierre Elliott Trudeau Intl.
$283 Roundtrip, just found
$283
Roundtrip
just found
Select Air Canada flight, departing Sat, May 16 from LaGuardia to Pierre Elliott Trudeau Intl., returning Thu, May 21, priced at $283 just found
Tue, May 12 - Thu, May 14
LGA
LaGuardia
YUL
Pierre Elliott Trudeau Intl.
$286 Roundtrip, found 3 days ago
$286
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, May 12 from LaGuardia to Pierre Elliott Trudeau Intl., returning Thu, May 14, priced at $286 found 3 days ago
Thu, May 28 - Sun, May 31
LGA
LaGuardia
YUL
Pierre Elliott Trudeau Intl.
$289 Roundtrip, found 5 hours ago
$289
Roundtrip
found 5 hours ago
Select Air Canada flight, departing Thu, May 28 from LaGuardia to Pierre Elliott Trudeau Intl., returning Sun, May 31, priced at $289 found 5 hours ago
Mon, Sep 14 - Thu, Sep 17
LGA
LaGuardia
YUL
Pierre Elliott Trudeau Intl.
$292 Roundtrip, found 4 days ago
$292
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, Sep 14 from LaGuardia to Pierre Elliott Trudeau Intl., returning Thu, Sep 17, priced at $292 found 4 days ago
Sat, May 16 - Sun, May 17
LGA
LaGuardia
YUL
Pierre Elliott Trudeau Intl.
$294 Roundtrip, found 3 days ago
$294
Roundtrip
found 3 days ago
Select Air Canada flight, departing Sat, May 16 from LaGuardia to Pierre Elliott Trudeau Intl., returning Sun, May 17, priced at $294 found 3 days ago
Sat, May 16 - Thu, May 21
LGA
LaGuardia
YUL
Pierre Elliott Trudeau Intl.
$299 Roundtrip, just found
$299
Roundtrip
just found
Select Air Canada flight, departing Sat, May 16 from LaGuardia to Pierre Elliott Trudeau Intl., returning Thu, May 21, priced at $299 just found
Wed, Sep 9 - Sat, Sep 19
LGA
LaGuardia
YUL
Pierre Elliott Trudeau Intl.
$301 Roundtrip, found 1 hour ago
$301
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Wed, Sep 9 from LaGuardia to Pierre Elliott Trudeau Intl., returning Sat, Sep 19, priced at $301 found 1 hour ago
Wed, May 20 - Sun, May 24
LGA
LaGuardia
YUL
Pierre Elliott Trudeau Intl.
$303 Roundtrip, found 2 days ago
$303
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, May 20 from LaGuardia to Pierre Elliott Trudeau Intl., returning Sun, May 24, priced at $303 found 2 days ago