$129 Cheap United flights San Francisco (SFO) to Washington (IAD)

$129 Cheap United flights San Francisco (SFO) to Washington (IAD)

Prices were available within the past 7 days and start at $129 for one-way flights and $337 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, May 9 - Wed, May 20

SFO

San Francisco

IAD

Washington

$337 Roundtrip, found 1 day ago

$337

Roundtrip

found 1 day ago

Select United flight, departing Sat, May 9 from San Francisco to Washington, returning Wed, May 20, priced at $337 found 1 day ago

Fri, May 8 - Sat, May 9

SFO

San Francisco

IAD

Washington

$356 Roundtrip, found 1 day ago

$356

Roundtrip

found 1 day ago

Select United flight, departing Fri, May 8 from San Francisco to Washington, returning Sat, May 9, priced at $356 found 1 day ago

Wed, May 6 - Sun, May 10

SFO

San Francisco

IAD

Washington

$360 Roundtrip, found 3 days ago

$360

Roundtrip

found 3 days ago

Select United flight, departing Wed, May 6 from San Francisco to Washington, returning Sun, May 10, priced at $360 found 3 days ago

Sun, May 10 - Wed, May 13

SFO

San Francisco

IAD

Washington

$396 Roundtrip, found 3 days ago

$396

Roundtrip

found 3 days ago

Select United flight, departing Sun, May 10 from San Francisco to Washington, returning Wed, May 13, priced at $396 found 3 days ago

Wed, May 6 - Sun, May 10

SFO

San Francisco

IAD

Washington

$401 Roundtrip, found 3 days ago

$401

Roundtrip

found 3 days ago

Select United flight, departing Wed, May 6 from San Francisco to Washington, returning Sun, May 10, priced at $401 found 3 days ago