San Diego (SAN) to Washington (IAD) flight deal from $139 USD in economy class – flightdeals.net

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Alaska Airlines, Inc.

ASAlaska Airlines, Inc.

One Way•Economy

San Diego International Airport

San Diego, United States

Washington Dulles International Airport

Washington, United States

$222 USD

-37%$139 USD

Verified Nov 30, 2025 at 10:18 AM

January 2026

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29$384 30$309 31$259 1$309 2$427 3$600 4$464 5$209 6$139 7$139 8$159 9$159 10$139 11$159 12$159 13$139 14$139 15$159 16$159 17$139 18$159 19$209 20$139 21$139 22$159 23$159 24$139 25$159 26$159 27$139 28$139 29$159 30$159 31$139 1

Limited Availability

11% of dates checked are available within 10% of the lowest price

Thursday, January 15th, 2026

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