$172 Cheap Frontier Airlines flights San Francisco (SFO) to Washington (WAS)

$172 Cheap Frontier Airlines flights San Francisco (SFO) to Washington (WAS)

Prices were available within the past 7 days and start at $172 for one-way flights and $224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 23 - Mon, Nov 3

SFO

San Francisco

BWI

Baltimore

$224 Roundtrip, found 3 days ago

$224

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Oct 23 from San Francisco to Baltimore, returning Mon, Nov 3, priced at $224 found 3 days ago

Sat, Sep 20 - Tue, Sep 23

SFO

San Francisco

IAD

Washington

$258 Roundtrip, found 11 hours ago

$258

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sat, Sep 20 from San Francisco to Washington, returning Tue, Sep 23, priced at $258 found 11 hours ago

Wed, Sep 24 - Sat, Sep 27

SFO

San Francisco

DCA

Washington

$258 Roundtrip, found 11 hours ago

$258

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Wed, Sep 24 from San Francisco to Washington, returning Sat, Sep 27, priced at $258 found 11 hours ago

Wed, Nov 12 - Sat, Nov 15

SFO

San Francisco

DCA

Washington

$268 Roundtrip, found 11 hours ago

$268

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Wed, Nov 12 from San Francisco to Washington, returning Sat, Nov 15, priced at $268 found 11 hours ago

Sat, Sep 13 - Tue, Sep 16

SFO

San Francisco

IAD

Washington

$278 Roundtrip, found 11 hours ago

$278

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sat, Sep 13 from San Francisco to Washington, returning Tue, Sep 16, priced at $278 found 11 hours ago

Wed, Nov 12 - Sat, Nov 15

SFO

San Francisco

DCA

Washington

$281 Roundtrip, found 11 hours ago

$281

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Wed, Nov 12 from San Francisco to Washington, returning Sat, Nov 15, priced at $281 found 11 hours ago

Sat, Oct 25 - Tue, Oct 28

SFO

San Francisco

BWI

Baltimore

$288 Roundtrip, found 11 hours ago

$288

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sat, Oct 25 from San Francisco to Baltimore, returning Tue, Oct 28, priced at $288 found 11 hours ago

Sat, Nov 1 - Tue, Nov 11

SFO

San Francisco

BWI

Baltimore

$294 Roundtrip, found 20 hours ago

$294

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Sat, Nov 1 from San Francisco to Baltimore, returning Tue, Nov 11, priced at $294 found 20 hours ago

Sat, Sep 20 - Tue, Sep 23

SFO

San Francisco

BWI

Baltimore

$295 Roundtrip, found 11 hours ago

$295

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sat, Sep 20 from San Francisco to Baltimore, returning Tue, Sep 23, priced at $295 found 11 hours ago

Sun, Sep 21 - Wed, Sep 24

SFO

San Francisco

IAD

Washington

$296 Roundtrip, found 11 hours ago

$296

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sun, Sep 21 from San Francisco to Washington, returning Wed, Sep 24, priced at $296 found 11 hours ago

Sun, Oct 26 - Wed, Oct 29

SFO

San Francisco

IAD

Washington

$298 Roundtrip, found 11 hours ago

$298

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Sun, Oct 26 from San Francisco to Washington, returning Wed, Oct 29, priced at $298 found 11 hours ago