Houston → Washington flights
Houston (HOU, IAH)→Washington (DCA, IAD)
from$173
Last observed price · Last checked: 11 Aug 2026 · Price may change
Selected search
Last checked: 11 Aug 2026 · Price may change
$173
Sun 6 Sep 2026 → Tue 8 Sep 2026
Frontier Airlines1 stop2 nights
CheapestLast checked: 11 Aug 2026 · Price may change
$173 lowest$298 average4h 33m fastest
Tickets found in the last 7 days
The lowest fares our queries caught, cheapest first.
FA$173Cheapest6 Sep 2026 → 8 Sep 2026Frontier Airlines · 1 stop · 06:00Last checked: 11 Aug 2026 · Price may change2 nightsView ticket →FA$20011 Sep 2026 → 14 Sep 2026Frontier Airlines · 1 stop · 06:08Last checked: 11 Aug 2026 · Price may change3 nightsView ticket →JE$2554 Sep 2026 → 7 Sep 2026JetBlue · 1 stop · 07:24Last checked: 11 Aug 2026 · Price may change3 nightsView ticket →FA$30721 Aug 2026 → 24 Aug 2026Frontier Airlines · 1 stop · 16:32Last checked: 11 Aug 2026 · Price may change3 nightsView ticket →FA$34415 Aug 2026 → 16 Aug 2026Frontier Airlines · 1 stop · 06:30Last checked: 11 Aug 2026 · Price may change1 nightView ticket →FA$36113 Aug 2026 → 14 Aug 2026Frontier Airlines · 1 stop · 20:43Last checked: 11 Aug 2026 · Price may change1 nightView ticket →FA$37212 Aug 2026Frontier Airlines · 1 stop · 06:00Last checked: 11 Aug 2026 · Price may changeOne wayView ticket →
Starting prices by month
The lowest fare our queries observed in each month. Open a month to see its days; click a day with no price and we will search it for you.
Observed priceLowest monthno price observedLast checked: 11 Aug 2026
Houston → WashingtonSun 6 Sep 2026 · $173
Find flightsRoute facts
Direct flights
Non-stop
HOU - DCA, 4h 33m
Airlines seen
2
JetBlue, Frontier Airlines
Cheapest month
September 2026
$173
Average observed
$298
Typical duration
4h 33m
Alternative airports
2
IAH, IAD
Frequently asked
Are there direct flights from Houston to Washington?+−
Yes. We have seen non-stop flights on this route, flown by United Airlines.
How much is a flight from Houston to Washington?+−
The lowest fare we have observed is $173, found on 11 Aug 2026. Prices move, so read it as a floor rather than a quote.
Which airlines fly from Houston to Washington?+−
These are the carriers we have seen on the route: JetBlue, Frontier Airlines.
When is the cheapest month to fly from Houston to Washington?+−
In our observations September 2026 is the cheapest month so far, at $173.
Similar routes
Last checked: 11 Aug 2026