$435 Cheap United flights San Francisco (SFO) to Washington (IAD)

View $435 flight on Thu, Jun 4, 2026Opens in a new window

$435 Cheap United flights San Francisco (SFO) to Washington (IAD)

Prices were available within the past 7 days and start at $435 for one-way flights and $570 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Jun 4 - Tue, Jun 9
SFO
San Francisco
IAD
Washington
$570 Roundtrip, found 7 hours ago
$570
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Jun 4 from San Francisco to Washington, returning Tue, Jun 9, priced at $570 found 7 hours ago
United
Thu, Jun 4 - Tue, Jun 9
SFO
San Francisco
IAD
Washington
$573 Roundtrip, found 7 hours ago
$573
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Jun 4 from San Francisco to Washington, returning Tue, Jun 9, priced at $573 found 7 hours ago
United
Thu, Jun 4 - Tue, Jun 9
SFO
San Francisco
IAD
Washington
$589 Roundtrip, found 7 hours ago
$589
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Jun 4 from San Francisco to Washington, returning Tue, Jun 9, priced at $589 found 7 hours ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $380
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $380

Travel information

Origin airport
San Francisco Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Popular airline
United
Distance
3862 km
Average flight time
9 hours 9 mins

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