Denver (DEN) to Washington (IAD) flight deal from $89 USD in economy class – flightdeals.net

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United Airlines

UAUnited Airlines

One Way•Economy

Denver International Airport

Denver, United States

Washington Dulles International Airport

Washington, United States

$197 USD

-55%$89 USD

Verified Nov 3, 2025 at 7:24 PM

December 2025

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1$217 2$157 3$89 4$109 5$109 6$89 7$109 8$109 9$89 10$89 11$109 12$109 13$89 14$109 15$109 16$89 17$89 18$201 19$234 20$234 21$234 22$201 23$190 24$187 25$178 26$234 27$223 28$234 29$233 30$162 31$142 1 2 3 4

Rare Availability

9% of dates checked are available within 10% of the lowest price

Tuesday, December 9th, 2025

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