$159 Cheap American Airlines flights Washington (IAD) to San Francisco (SFO)

View $159 flight on Mon, Feb 9, 2026Opens in a new window

$159 Cheap American Airlines flights Washington (IAD) to San Francisco (SFO)

Prices were available within the past 7 days and start at $159 for one-way flights and $257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Feb 9 - Wed, Feb 18
IAD
Washington
SFO
San Francisco
$257 Roundtrip, found 6 days ago
$257
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Feb 9 from Washington to San Francisco, returning Wed, Feb 18, priced at $257 found 6 days ago
American Airlines
Mon, Feb 9 - Fri, Feb 20
IAD
Washington
SFO
San Francisco
$269 Roundtrip, found 5 days ago
$269
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon, Feb 9 from Washington to San Francisco, returning Fri, Feb 20, priced at $269 found 5 days ago

Find the cheapest month to fly from Washington (IAD) to San Francisco (SFO)

January is typically the cheapest month to fly

From $138 - $380 per traveler.

Alternative airports near San Francisco

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

Select flight to San Francisco Intl. SFO. Cheapest and Closest option available. Average driving time to city center is 19 minutes. Flights from $254
SFO
San Francisco Intl.
CheapestClosest
Average driving time to city center19 min
Flights from $254
Flights from Washington (IAD) to San Francisco (SFO)
Origin airport
Washington Dulles Intl.
Destination airport
San Francisco Intl.
Distance
3862 km
Average flight time
3 hours 30 mins