$90 Cheap Frontier Airlines flights Washington (WAS) to San Francisco (SFO)

$90 Cheap Frontier Airlines flights Washington (WAS) to San Francisco (SFO)

Prices were available within the past 7 days and start at $90 for one-way flights and $236 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 11 - Sat, Dec 13

BWI

Baltimore

SFO

San Francisco

$236 Roundtrip, found 9 hours ago

$236

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Thu, Dec 11 from Baltimore to San Francisco, returning Sat, Dec 13, priced at $236 found 9 hours ago

Thu, Dec 11 - Sun, Dec 14

BWI

Baltimore

SFO

San Francisco

$242 Roundtrip, found 5 hours ago

$242

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Thu, Dec 11 from Baltimore to San Francisco, returning Sun, Dec 14, priced at $242 found 5 hours ago

Thu, Dec 11 - Sun, Dec 14

BWI

Baltimore

SFO

San Francisco

$256 Roundtrip, found 5 hours ago

$256

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Thu, Dec 11 from Baltimore to San Francisco, returning Sun, Dec 14, priced at $256 found 5 hours ago

Mon, Dec 8 - Sat, Dec 13

BWI

Baltimore

SFO

San Francisco

$262 Roundtrip, found 9 hours ago

$262

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Mon, Dec 8 from Baltimore to San Francisco, returning Sat, Dec 13, priced at $262 found 9 hours ago

Mon, Dec 8 - Sun, Dec 14

BWI

Baltimore

SFO

San Francisco

$282 Roundtrip, found 9 hours ago

$282

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Mon, Dec 8 from Baltimore to San Francisco, returning Sun, Dec 14, priced at $282 found 9 hours ago

Mon, Dec 8 - Thu, Dec 11

BWI

Baltimore

SFO

San Francisco

$284 Roundtrip, found 9 hours ago

$284

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Mon, Dec 8 from Baltimore to San Francisco, returning Thu, Dec 11, priced at $284 found 9 hours ago