$158 Cheap American Airlines flights San Diego (SAN) to Washington (IAD)

View $158 flight on Thu, Jan 8, 2026Opens in a new window

$158 Cheap American Airlines flights San Diego (SAN) to Washington (IAD)

Prices were available within the past 7 days and start at $158 for one-way flights and $256 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Jan 8 - Wed, Jan 21
SAN
San Diego
IAD
Washington
$256 Roundtrip, found 1 day ago
$256
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Jan 8 from San Diego to Washington, returning Wed, Jan 21, priced at $256 found 1 day ago
American Airlines
Thu, Jan 8 - Wed, Jan 21
SAN
San Diego
IAD
Washington
$357 Roundtrip, found 1 day ago
$357
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Jan 8 from San Diego to Washington, returning Wed, Jan 21, priced at $357 found 1 day ago
American Airlines
Thu, Jan 8 - Wed, Jan 21
SAN
San Diego
IAD
Washington
$357 Roundtrip, found 1 day ago
$357
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Jan 8 from San Diego to Washington, returning Wed, Jan 21, priced at $357 found 1 day ago

Find the cheapest month to fly from San Diego (SAN) to Washington (IAD)

September is typically the cheapest month to fly

From $174 - $317 per traveler.
Flights from San Diego (SAN) to Washington (IAD)
Origin airport
San Diego Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Popular airline
Southwest Airlines
Distance
3598 km
Average flight time
8 hours 31 mins