$187 Cheap Delta flights Washington (DCA) to Houston (IAH)

View $187 flight on Fri, Mar 6, 2026Opens in a new window

$187 Cheap Delta flights Washington (DCA) to Houston (IAH)

Prices were available within the past 7 days and start at $187 for one-way flights and $364 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Feb 2 - Mon, Feb 16
DCA
Washington
IAH
Houston
$364 Roundtrip, found 1 day ago
$364
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Feb 2 from Washington to Houston, returning Mon, Feb 16, priced at $364 found 1 day ago

Find the cheapest month to fly from Washington (DCA) to Houston (IAH)

March is typically the cheapest month to fly

From $111 - $425 per traveler.

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $166
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $166
Flights from Washington (DCA) to Houston (IAH)
Origin airport
Ronald Reagan Washington National
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, United
Popular airline
American Airlines
Distance
1929 km
Average flight time
2 hours 42 mins