Alaska Airlines Flights from Washington, D.C. to San Diego

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Lowest fares from Washington, D.C. to San Diego

One-way low-fare flights Washington, D.C. to San Diego.*

$
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One-way low-fare flights Washington, D.C. to San Diego.*
From
To
Fare Type
Dates
Price
Washington, D.C. (IAD)San Diego (SAN)One-way
|
Saver
Depart: Aug 19, 2025

From

$114

Seen: 9 minutes ago

Washington, D.C. (IAD)San Diego (SAN)One-way
|
Saver
Depart: Aug 27, 2025

From

$119

Seen: 15 hours ago

Washington, D.C. (IAD)San Diego (SAN)One-way
|
Saver
Depart: Aug 30, 2025

From

$119

Seen: 15 hours ago

Washington, D.C. (IAD)San Diego (SAN)One-way
|
Saver
Depart: Sep 17, 2025

From

$119

Seen: 15 hours ago

Washington, D.C. (IAD)San Diego (SAN)One-way
|
Saver
Depart: Oct 14, 2025

From

$119

Seen: 15 hours ago

Washington, D.C. (IAD)San Diego (SAN)One-way
|
Saver
Depart: Nov 1, 2025

From

$119

Seen: 15 hours ago

Washington, D.C. (IAD)San Diego (SAN)One-way
|
Saver
Depart: Dec 6, 2025

From

$119

Seen: 15 hours ago

Washington, D.C. (IAD)San Diego (SAN)One-way
|
Saver
Depart: Dec 10, 2025

From

$119

Seen: 15 hours ago

Washington, D.C. (DCA)San Diego (SAN)One-way
|
Saver
Depart: Aug 26, 2025

From

$128

Seen: 16 hours ago

Washington, D.C. (DCA)San Diego (SAN)One-way
|
Saver
Depart: Sep 2, 2025

From

$128

Seen: 16 hours ago

Washington, D.C. (DCA)San Diego (SAN)One-way
|
Saver
Depart: Sep 3, 2025

From

$128

Seen: 16 hours ago

Washington, D.C. (DCA)San Diego (SAN)One-way
|
Saver
Depart: Sep 9, 2025

From

$128

Seen: 16 hours ago

Washington, D.C. (DCA)San Diego (SAN)One-way
|
Saver
Depart: Nov 18, 2025

From

$128

Seen: 16 hours ago

Washington, D.C. (DCA)San Diego (SAN)One-way
|
Saver
Depart: Sep 16, 2025

From

$128

Seen: 5 hours ago

Washington, D.C. (DCA)San Diego (SAN)One-way
|
Saver
Depart: Sep 10, 2025

From

$128

Seen: 16 hours ago

Washington, D.C. (DCA)San Diego (SAN)One-way
|
Saver
Depart: Sep 23, 2025

From

$128

Seen: 16 hours ago

*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.