Alaska Airlines Flight UA221 Deals & Information (2025/2026)

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Alaska Airlines Flight 221 Route Deals From

The cheapest prices found with in the last 7 days for return flights were $207 and for one-way flights to San Francisco Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, May 29 - Sat, May 31
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$207 Roundtrip, just found
$207
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, May 29 from Newark Liberty Intl. Airport to San Francisco Intl., returning Sat, May 31, priced at $207 just found
Wed, May 7 - Wed, May 14
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$210 Roundtrip, found 3 days ago
$210
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, May 7 from Newark Liberty Intl. Airport to San Francisco Intl., returning Wed, May 14, priced at $210 found 3 days ago
Mon, May 12 - Sat, May 31
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$215 Roundtrip, found 4 days ago
$215
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, May 12 from Newark Liberty Intl. Airport to San Francisco Intl., returning Sat, May 31, priced at $215 found 4 days ago
Thu, May 29 - Sat, May 31
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$217 Roundtrip, just found
$217
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, May 29 from Newark Liberty Intl. Airport to San Francisco Intl., returning Sat, May 31, priced at $217 just found
Thu, May 8 - Sun, May 25
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$219 Roundtrip, found 2 days ago
$219
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, May 8 from Newark Liberty Intl. Airport to San Francisco Intl., returning Sun, May 25, priced at $219 found 2 days ago
Fri, May 30 - Sat, May 31
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$221 Roundtrip, found 1 hour ago
$221
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Fri, May 30 from Newark Liberty Intl. Airport to San Francisco Intl., returning Sat, May 31, priced at $221 found 1 hour ago
Thu, May 29 - Mon, Jun 2
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$224 Roundtrip, found 1 hour ago
$224
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, May 29 from Newark Liberty Intl. Airport to San Francisco Intl., returning Mon, Jun 2, priced at $224 found 1 hour ago
Thu, May 29 - Tue, Jun 3
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$227 Roundtrip, just found
$227
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, May 29 from Newark Liberty Intl. Airport to San Francisco Intl., returning Tue, Jun 3, priced at $227 just found
Fri, May 30 - Tue, Jun 3
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$231 Roundtrip, just found
$231
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, May 30 from Newark Liberty Intl. Airport to San Francisco Intl., returning Tue, Jun 3, priced at $231 just found
Thu, May 29 - Tue, Jun 3
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$234 Roundtrip, just found
$234
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, May 29 from Newark Liberty Intl. Airport to San Francisco Intl., returning Tue, Jun 3, priced at $234 just found
Thu, May 29 - Tue, Jun 3
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$237 Roundtrip, just found
$237
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, May 29 from Newark Liberty Intl. Airport to San Francisco Intl., returning Tue, Jun 3, priced at $237 just found
Fri, May 30 - Tue, Jun 10
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$241 Roundtrip, found 10 hours ago
$241
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Fri, May 30 from Newark Liberty Intl. Airport to San Francisco Intl., returning Tue, Jun 10, priced at $241 found 10 hours ago
Fri, May 30 - Tue, Jun 3
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$241 Roundtrip, just found
$241
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, May 30 from Newark Liberty Intl. Airport to San Francisco Intl., returning Tue, Jun 3, priced at $241 just found
Thu, May 29 - Tue, Jun 3
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$244 Roundtrip, just found
$244
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, May 29 from Newark Liberty Intl. Airport to San Francisco Intl., returning Tue, Jun 3, priced at $244 just found
Thu, May 8 - Fri, May 30
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$245 Roundtrip, found 3 days ago
$245
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, May 8 from Newark Liberty Intl. Airport to San Francisco Intl., returning Fri, May 30, priced at $245 found 3 days ago
Thu, May 29 - Tue, Jun 3
EWR
Newark Liberty Intl. Airport
SFO
San Francisco Intl.
$247 Roundtrip, just found
$247
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, May 29 from Newark Liberty Intl. Airport to San Francisco Intl., returning Tue, Jun 3, priced at $247 just found