Alaska Airlines Flight 40 Deals & Information (2025/2026)

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Alaska Airlines Flight 40 Route Deals From $94

The cheapest prices found with in the last 7 days for return flights were $225 and $94 for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 31 - Tue, Nov 4
JFK
John F. Kennedy Intl.
SFO
San Francisco Intl.
$225 Roundtrip, found 1 day ago
$225
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Oct 31 from John F. Kennedy Intl. to San Francisco Intl., returning Tue, Nov 4, priced at $225 found 1 day ago
Fri, Oct 31 - Sat, Nov 8
JFK
John F. Kennedy Intl.
SFO
San Francisco Intl.
$230 Roundtrip, found 8 hours ago
$230
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Fri, Oct 31 from John F. Kennedy Intl. to San Francisco Intl., returning Sat, Nov 8, priced at $230 found 8 hours ago
Fri, Oct 31 - Sat, Nov 8
JFK
John F. Kennedy Intl.
SFO
San Francisco Intl.
$232 Roundtrip, found 8 hours ago
$232
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Fri, Oct 31 from John F. Kennedy Intl. to San Francisco Intl., returning Sat, Nov 8, priced at $232 found 8 hours ago
Wed, Oct 1 - Fri, Oct 31
JFK
John F. Kennedy Intl.
SFO
San Francisco Intl.
$235 Roundtrip, found 4 hours ago
$235
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Oct 1 from John F. Kennedy Intl. to San Francisco Intl., returning Fri, Oct 31, priced at $235 found 4 hours ago
Fri, Oct 31 - Sat, Nov 8
JFK
John F. Kennedy Intl.
SFO
San Francisco Intl.
$240 Roundtrip, found 8 hours ago
$240
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Fri, Oct 31 from John F. Kennedy Intl. to San Francisco Intl., returning Sat, Nov 8, priced at $240 found 8 hours ago
Fri, Oct 31 - Sun, Nov 9
JFK
John F. Kennedy Intl.
SFO
San Francisco Intl.
$240 Roundtrip, found 5 hours ago
$240
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Fri, Oct 31 from John F. Kennedy Intl. to San Francisco Intl., returning Sun, Nov 9, priced at $240 found 5 hours ago
Wed, Oct 1 - Fri, Oct 31
JFK
John F. Kennedy Intl.
SFO
San Francisco Intl.
$245 Roundtrip, found 4 hours ago
$245
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Oct 1 from John F. Kennedy Intl. to San Francisco Intl., returning Fri, Oct 31, priced at $245 found 4 hours ago
Wed, Oct 1 - Fri, Oct 31
JFK
John F. Kennedy Intl.
SFO
San Francisco Intl.
$245 Roundtrip, found 4 hours ago
$245
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Oct 1 from John F. Kennedy Intl. to San Francisco Intl., returning Fri, Oct 31, priced at $245 found 4 hours ago
Fri, Oct 31 - Thu, Nov 6
JFK
John F. Kennedy Intl.
SFO
San Francisco Intl.
$246 Roundtrip, found 3 days ago
$246
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Fri, Oct 31 from John F. Kennedy Intl. to San Francisco Intl., returning Thu, Nov 6, priced at $246 found 3 days ago
Wed, Oct 1 - Fri, Oct 31
JFK
John F. Kennedy Intl.
SFO
San Francisco Intl.
$250 Roundtrip, found 4 hours ago
$250
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Oct 1 from John F. Kennedy Intl. to San Francisco Intl., returning Fri, Oct 31, priced at $250 found 4 hours ago