$91 Cheap Frontier Airlines flights Seattle (SEA) to San Francisco (SFO)

$91 Cheap Frontier Airlines flights Seattle (SEA) to San Francisco (SFO)

Prices were available within the past 7 days and start at $91 for one-way flights and $149 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 29 - Wed, Feb 4

SEA

Seattle

SFO

San Francisco

$149 Roundtrip, found 3 days ago

$149

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Jan 29 from Seattle to San Francisco, returning Wed, Feb 4, priced at $149 found 3 days ago

Thu, Jan 22 - Wed, Feb 4

SEA

Seattle

SFO

San Francisco

$155 Roundtrip, found 4 days ago

$155

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Jan 22 from Seattle to San Francisco, returning Wed, Feb 4, priced at $155 found 4 days ago

Fri, Jan 30 - Sat, Jan 31

SEA

Seattle

SFO

San Francisco

$159 Roundtrip, found 4 days ago

$159

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Jan 30 from Seattle to San Francisco, returning Sat, Jan 31, priced at $159 found 4 days ago

Thu, Jan 22 - Thu, Feb 5

SEA

Seattle

SFO

San Francisco

$166 Roundtrip, found 4 days ago

$166

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Jan 22 from Seattle to San Francisco, returning Thu, Feb 5, priced at $166 found 4 days ago

Fri, Jan 30 - Wed, Feb 4

SEA

Seattle

SFO

San Francisco

$169 Roundtrip, found 3 days ago

$169

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Jan 30 from Seattle to San Francisco, returning Wed, Feb 4, priced at $169 found 3 days ago

Fri, Jan 30 - Mon, Feb 9

SEA

Seattle

SFO

San Francisco

$180 Roundtrip, found 3 days ago

$180

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Jan 30 from Seattle to San Francisco, returning Mon, Feb 9, priced at $180 found 3 days ago

Thu, Jan 22 - Fri, Feb 6

SEA

Seattle

SFO

San Francisco

$186 Roundtrip, found 4 days ago

$186

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Jan 22 from Seattle to San Francisco, returning Fri, Feb 6, priced at $186 found 4 days ago

Fri, Jan 30 - Fri, Feb 6

SEA

Seattle

SFO

San Francisco

$200 Roundtrip, found 3 days ago

$200

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Jan 30 from Seattle to San Francisco, returning Fri, Feb 6, priced at $200 found 3 days ago

Mon, Jan 26 - Wed, Feb 4

SEA

Seattle

SFO

San Francisco

$215 Roundtrip, found 3 days ago

$215

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Jan 26 from Seattle to San Francisco, returning Wed, Feb 4, priced at $215 found 3 days ago