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

September 2026

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

Limited Availability

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

Thursday, September 10th, 2026

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