Houston to Washington

IAHIAD

Fly from Houston to Washington starting at USD 90 with Frontier Airlines.Best fare available on Aug 12, 2026.Limited seats. Better plans. Book before it's gone.

Houston to Washington cheapest flights this week

30 Jul
Frontier Airlines
20:02IAH
16:14IAD
1 StopUSD 107VIEW DEAL
30 Jul
United Airlines
07:20IAH
10:28IAD
DirectUSD 155VIEW DEAL
30 Jul
Frontier Airlines
19:23IAH
17:33IAD
1 StopUSD 215VIEW DEAL
2 Aug
Frontier Airlines
20:43IAH
07:20IAD
1 StopUSD 158VIEW DEAL
3 Aug
Frontier Airlines
20:43IAH
07:20IAD
1 StopUSD 177VIEW DEAL
5 Aug
Frontier Airlines
20:43IAH
07:20IAD
1 StopUSD 170VIEW DEAL
12 Aug
Frontier Airlines
06:00IAH
21:52IAD
1 StopUSD 90VIEW DEAL
13 Aug
Frontier Airlines
12:16IAH
21:52IAD
1 StopUSD 91VIEW DEAL
13 Aug
Frontier Airlines
08:55IAH
15:40IAD
1 StopUSD 157VIEW DEAL
6 Sept
Frontier Airlines
06:00IAH
16:14IAD
1 StopUSD 114VIEW DEAL

Houston to Washington monthly flight fare trend

Jul
from USD 107
Aug
from USD 90
Sep
from USD 114
Oct
No flights
Nov
from USD 165
Dec
from USD 184

Airport Details

Origin

Houston

George Bush Intercontinental Houston Airport (IAH)

Houston, IAH
Zone

Chicago

Elev

97 ft

Destination

Washington

Washington Dulles International Airport (IAD)

Dulles, IAD
Zone

New York

Elev

312 ft

Flights from Houston

Flights from Houston to AtlantaFlights from Houston to AustinFlights from Houston to BostonFlights from Houston to CharlotteFlights from Houston to DenverFlights from Houston to DallasFlights from Houston to DetroitFlights from Houston to NewarkFlights from Houston to Fort LauderdaleFlights from Houston to Honolulu