$209 Cheap United flights San Diego (SAN) to Washington (DCA)

View $209 flight on Thu, Jan 8, 2026Opens in a new window

$209 Cheap United flights San Diego (SAN) to Washington (DCA)

Prices were available within the past 7 days and start at $209 for one-way flights and $338 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Jan 8 - Wed, Jan 21
SAN
San Diego
DCA
Washington
$338 Roundtrip, found 3 days ago
$338
Roundtrip
found 3 days ago
Select United flight, departing Thu, Jan 8 from San Diego to Washington, returning Wed, Jan 21, priced at $338 found 3 days ago
United
Tue, Dec 23 - Mon, Dec 29
SAN
San Diego
DCA
Washington
$1,008 Roundtrip, found 9 hours ago
$1,008
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Dec 23 from San Diego to Washington, returning Mon, Dec 29, priced at $1,008 found 9 hours ago

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

January is typically the cheapest month to fly

From $130 - $368 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 $175
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $175
Flights from San Diego (SAN) to Washington (DCA)
Origin airport
San Diego Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
3633 km
Average flight time
9 hours 20 mins