$148 Cheap American Airlines flights San Diego (SAN) to Washington (IAD)

View $148 flight on Wed, Jan 14, 2026Opens in a new window
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$148 Cheap American Airlines flights San Diego (SAN) to Washington (IAD)

Prices were available within the past 7 days and start at $148 for one-way flights and $236 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Jan 24 - Wed, Feb 4
SAN
San Diego
IAD
Washington
$236 Roundtrip, found 8 hours ago
$236
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sat, Jan 24 from San Diego to Washington, returning Wed, Feb 4, priced at $236 found 8 hours 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.

Alternative airports near Washington

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

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $365
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $365

Travel information

Origin airport
San Diego Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
2249 mi
Average flight time
8 hours 31 mins
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