Houston to Dulles (HOU–IAD) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
HOU–IAD had nonstop service from Sun Country Airlines, last on the schedule in September 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 1,200 miles in 2h 31m.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| SY Sun Country Airlines | 0 | – | – | – | – |
Connection Landscape
On-Time Performance
Other ways to reach Dulles from Houston
| Metric | HOU→IAD | IAH→IAD | CLL→IAD |
|---|---|---|---|
| Distance from HOU | – | 24 mi | 92 mi |
| Nonstop airlines | – | 14 | 2 |
| Weekly flights | – | 124 | – |
| Flight time | 2h 31m | 3h 5m | 2h 46m |
| Departure OTP | 66% | – | – |
Travel Essentials
HOU: CDT · IAD: EDT
When it's 6:00 PM in Houston, it's 7:00 PM in Dulles.
Silver Line Metro runs from Washington Dulles Airport station to Metro Center in about 65 minutes (~$7). The route bypasses I-66 and I-495 congestion entirely. Washington Flyer coach also runs to Wiehle-Reston East station ($6, 15 min) for Metro connection.Taxis and ride-shares to downtown DC cost $55–80 and take 35–55 minutes depending on traffic. Car rental facilities are on-site. Dulles is 27 miles west of the Capitol; it is farther than either DCA or BWI from central DC.
Humid continental climate. Summers are hot and muggy (30–36°C) with frequent afternoon thunderstorms that cause delays June through August. Winters bring cold temperatures (−3 to 5°C) with snow and ice. The Virginia suburbs accumulate more snow than downtown DC, and ice storms are the primary disruption risk.
Dulles sits at higher elevation in Virginia's piedmont and sees more winter precipitation than DCA. Spring and fall are variable. Snowfall is possible into April. Thunderstorms begin from April through May.
HOU–IAD Quick Facts
Frequently Asked Questions
Flights from HOU to IAD
William P. Hobby Airport (HOU) and Washington Dulles International Airport (IAD) had nonstop service from Sun Country Airlines, last on the schedule in September 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.
HOU to IAD Flight Duration and Schedule
Nonstop flight time from HOU to IAD is about 2 hours 31 minutes gate to gate. The route covers a distance of 1,200 miles (1,931 km).
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Louis Armstrong New Orleans, Hartsfield Jackson Atlanta and John Glenn Columbus. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Houston (IAH), College Station (CLL) and Lake Charles (LCH).