$137 Cheap Frontier Airlines flights San Francisco (SFO) to Washington (IAD)

$137 Cheap Frontier Airlines flights San Francisco (SFO) to Washington (IAD)

Prices were available within the past 7 days and start at $137 for one-way flights and $368 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 3 - Sun, Oct 5

SFO

San Francisco

IAD

Washington

$368 Roundtrip, found 6 hours ago

$368

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Fri, Oct 3 from San Francisco to Washington, returning Sun, Oct 5, priced at $368 found 6 hours ago

Sat, Oct 4 - Mon, Oct 6

SFO

San Francisco

IAD

Washington

$410 Roundtrip, found 6 hours ago

$410

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Sat, Oct 4 from San Francisco to Washington, returning Mon, Oct 6, priced at $410 found 6 hours ago

Sat, Oct 4 - Fri, Oct 10

SFO

San Francisco

IAD

Washington

$546 Roundtrip, found 6 hours ago

$546

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Sat, Oct 4 from San Francisco to Washington, returning Fri, Oct 10, priced at $546 found 6 hours ago