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FFL Helper / IAD (Washington) / Houston

IAD → HOU

IAD (Washington) to Houston

Compare one-way fares for flights from IAD (Washington) to Houston.

Lowest fare $91
Distance 1,219 mi
Flight time 15h 40m
Airports IAD–IAH
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By month: August 2026 from $170 · September 2026 from $91

Price calendar

August 2026

From $170

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September 2026

From $91 · up to $176

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1 $170 2 $176 3 $166 4 $156 5 $123 6 $123 7 $123 8 $123 9 $123 10 $123 11 $123 12 $123 13 $123 14 $123 15 $123 16 $123 17 $123 18 $123 19 $91
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Upcoming dates

Houston HOU

$91

Sep 19, 7:50am · 15h 40m · 1 stop

IAD → IAH · Frontier Airlines

Tickets

About this route

This calendar shows dated one-way fares from IAD (Washington) to Houston. Use it to see which days are cheaper before you search tickets.

Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book IAD (Washington) to Houston.