Alaska Airlines Flight 40 Deals & Information (2026/2027)

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Alaska Airlines Flight 40 Route Deals From $169

The cheapest prices found with in the last 7 days for return flights were $332 and $169 for one-way flights to John F. Kennedy Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Nov 9 - Tue, Nov 10
SFO
San Francisco Intl.
JFK
John F. Kennedy Intl.
$332 Roundtrip, found 1 hour ago
$332
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Mon, Nov 9 from San Francisco Intl. to John F. Kennedy Intl., returning Tue, Nov 10, priced at $332 found 1 hour ago
Tue, Nov 3 - Sat, Nov 7
SFO
San Francisco Intl.
JFK
John F. Kennedy Intl.
$339 Roundtrip, found 3 hours ago
$339
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Tue, Nov 3 from San Francisco Intl. to John F. Kennedy Intl., returning Sat, Nov 7, priced at $339 found 3 hours ago
Sun, Nov 15 - Tue, Nov 17
SFO
San Francisco Intl.
JFK
John F. Kennedy Intl.
$339 Roundtrip, found 11 hours ago
$339
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Sun, Nov 15 from San Francisco Intl. to John F. Kennedy Intl., returning Tue, Nov 17, priced at $339 found 11 hours ago
Wed, Nov 11 - Fri, Nov 13
SFO
San Francisco Intl.
JFK
John F. Kennedy Intl.
$341 Roundtrip, found 22 hours ago
$341
Roundtrip
found 22 hours ago
Select Alaska Airlines flight, departing Wed, Nov 11 from San Francisco Intl. to John F. Kennedy Intl., returning Fri, Nov 13, priced at $341 found 22 hours ago
Wed, Nov 4 - Thu, Nov 5
SFO
San Francisco Intl.
JFK
John F. Kennedy Intl.
$346 Roundtrip, found 20 hours ago
$346
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Wed, Nov 4 from San Francisco Intl. to John F. Kennedy Intl., returning Thu, Nov 5, priced at $346 found 20 hours ago
Tue, Oct 27 - Tue, Nov 3
SFO
San Francisco Intl.
JFK
John F. Kennedy Intl.
$347 Roundtrip, just found
$347
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Oct 27 from San Francisco Intl. to John F. Kennedy Intl., returning Tue, Nov 3, priced at $347 just found
Tue, Nov 3 - Sat, Nov 7
SFO
San Francisco Intl.
JFK
John F. Kennedy Intl.
$348 Roundtrip, found 3 hours ago
$348
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Tue, Nov 3 from San Francisco Intl. to John F. Kennedy Intl., returning Sat, Nov 7, priced at $348 found 3 hours ago
Sat, Oct 31 - Fri, Nov 6
SFO
San Francisco Intl.
JFK
John F. Kennedy Intl.
$350 Roundtrip, just found
$350
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Oct 31 from San Francisco Intl. to John F. Kennedy Intl., returning Fri, Nov 6, priced at $350 just found
Tue, Nov 10 - Thu, Nov 12
SFO
San Francisco Intl.
JFK
John F. Kennedy Intl.
$350 Roundtrip, found 1 hour ago
$350
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Tue, Nov 10 from San Francisco Intl. to John F. Kennedy Intl., returning Thu, Nov 12, priced at $350 found 1 hour ago
Sat, Oct 31 - Sat, Nov 7
SFO
San Francisco Intl.
JFK
John F. Kennedy Intl.
$351 Roundtrip, found 3 hours ago
$351
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Sat, Oct 31 from San Francisco Intl. to John F. Kennedy Intl., returning Sat, Nov 7, priced at $351 found 3 hours ago