IAD to DFW from $40 in economy – flightdeals.net

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Frontier Airlines

F9Frontier Airlines

One Way•Economy

Washington Dulles International Airport

Washington, United States

Dallas/Fort Worth International Airport

Dallas-Fort Worth, United States

$122 USD

-67%$40 USD

Verified about 12 hours ago

October 2026

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28$135 29$121 30$121 1$40 2$141 3$135 4$141 5$40 6$121 7$121 8$135 9$141 10$40 11$141 12$90 13$121 14$40 15$141 16$141 17$40 18$141 19$40 20$121 21$40 22$129 23$141 24$90 25$141 26$90 27$121 28$121 29$40 30$141 31$135 1$141

Limited Availability

15% of dates checked are available within 10% of the lowest price

Thursday, October 22nd, 2026

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