San Francisco (SFO) to Washington (IAD) flight deal from $149 USD in economy class – flightdeals.net

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United Airlines

UAUnited Airlines

One Way•Economy

San Francisco International Airport

San Francisco, United States

Washington Dulles International Airport

Washington, United States

$197 USD

-24%$149 USD

Verified Nov 30, 2025 at 10:18 AM

December 2025

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1$380 2$380 3$345 4$345 5$345 6$345 7$289 8$187 9$187 10$193 11$288 12$325 13$268 14$217 15$157 16$217 17$217 18$309 19$414 20$293 21$307 22$281 23$267 24$215 25$169 26$199 27$264 28$263 29$239 30$218 31$183 1$215 2$371 3$382 4$282

Limited Availability

14% of dates checked are available within 10% of the lowest price

Sunday, December 28th, 2025

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