$135 Cheap United flights Houston (IAH) to Washington (DCA)

View $135 flight on Tue, Jul 8, 2025Opens in a new window

$135 Cheap United flights Houston (IAH) to Washington (DCA)

Prices were available within the past 7 days and start at $135 for one-way flights and $269 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
United
Tue, Jul 8 - Mon, Jul 14
IAH
Houston
DCA
Washington
$269
Roundtrip
Found 15 hours ago
Select United flight, departing Tue, Jul 8 from Houston to Washington, returning Mon, Jul 14, priced at $269 Found 15 hours ago
United
Tue, Jul 8 - Mon, Jul 14
IAH
Houston
DCA
Washington
$279
Roundtrip
Found 15 hours ago
Select United flight, departing Tue, Jul 8 from Houston to Washington, returning Mon, Jul 14, priced at $279 Found 15 hours ago
United
Fri, Aug 22 - Sun, Aug 24
IAH
Houston
DCA
Washington
$297
Roundtrip
Found 4 days ago
Select United flight, departing Fri, Aug 22 from Houston to Washington, returning Sun, Aug 24, priced at $297 Found 4 days ago
United
Tue, Jul 8 - Mon, Jul 14
IAH
Houston
DCA
Washington
$300
Roundtrip
Found 15 hours ago
Select United flight, departing Tue, Jul 8 from Houston to Washington, returning Mon, Jul 14, priced at $300 Found 15 hours ago
United
Tue, Jul 8 - Mon, Jul 14
IAH
Houston
DCA
Washington
$322
Roundtrip
Found 15 hours ago
Select United flight, departing Tue, Jul 8 from Houston to Washington, returning Mon, Jul 14, priced at $322 Found 15 hours ago
United
Fri, Aug 22 - Sun, Aug 24
IAH
Houston
DCA
Washington
$342
Roundtrip
Found 4 days ago
Select United flight, departing Fri, Aug 22 from Houston to Washington, returning Sun, Aug 24, priced at $342 Found 4 days ago
Flights from Houston (IAH) to Washington (DCA)
Origin airport
George Bush Intercontinental
Destination airport
Ronald Reagan Washington National
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Popular airline
United
Distance
1929 km
Average flight time
5 hours 1 min